/* ===== APPLE DESIGN SYSTEM ===== */

/* CSS Variables - Based on Apple.com */
:root {
    /* Apple's Primary Colors */
    --apple-blue: #007AFF;
    --apple-purple: #5856D6;
    --apple-green: #34C759;
    --apple-orange: #FF9500;
    --apple-red: #FF3B30;
    --apple-pink: #FF2D92;
    --apple-yellow: #FFCC02;
    
    /* Apple's Text Colors */
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --text-tertiary: #A1A1A6;
    
    /* Apple's Background Colors */
    --background-primary: #FFFFFF;
    --background-secondary: #F5F5F7;
    --background-tertiary: #FAFAFA;
    
    /* Apple's Border Colors */
    --border-primary: #D2D2D7;
    --border-secondary: #E5E5E7;
    
    /* Apple's Shadow System */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);
    
    /* Apple's Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    /* Apple's Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Legacy compatibility */
    --primary: var(--apple-blue);
    --secondary: var(--apple-purple);
    --success: var(--apple-green);
    --warning: var(--apple-orange);
    --error: var(--apple-red);
    --background: var(--background-primary);
    --background-secondary: var(--background-secondary);
    --border: var(--border-primary);
    --shadow-sm: var(--shadow-sm);
    --shadow-md: var(--shadow-md);
    --shadow-lg: var(--shadow-lg);
    --radius-sm: var(--radius-sm);
    --radius-md: var(--radius-md);
    --radius-lg: var(--radius-lg);
    --transition: var(--transition-normal);
}

/* Dark Theme - Apple's Dark Mode */
[data-theme="dark"] {
    --text-primary: #FFFFFF;
    --text-secondary: #86868B;
    --text-tertiary: #A1A1A6;
    --background-primary: #000000;
    --background-secondary: #1C1C1E;
    --background-tertiary: #2C2C2E;
    --border-primary: #38383A;
    --border-secondary: #48484A;
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'SF Pro Display', 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
    background: var(--background-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'kern' 1;
}

/* Samsung Sharp Sans with fallback */
.logo h1 {
    font-family: 'Samsung Sharp Sans', 'SF Pro Display', 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
    font-weight: 700;
}

/* ===== LANDING PAGE ===== */

.landing-page {
    height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.page-container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

/* Background - Apple's Clean Style */
.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--background-primary);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.15;
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--apple-blue), transparent);
    top: 5%;
    left: 5%;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--apple-purple), transparent);
    top: 50%;
    right: 10%;
    animation-delay: 3s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, var(--apple-green), transparent);
    bottom: 10%;
    left: 50%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 32px;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(20px);
    background: transparent;
    animation: fadeInDown 0.8s ease-out 0.2s both;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: var(--transition-normal);
}

.logo-link:hover {
    transform: scale(1.02);
}

.logo h1 {
    font-size: 32px;
    font-weight: 700;
    font-family: 'Samsung Sharp Sans', 'Arial Black', sans-serif;
    color: #000000;
    letter-spacing: 2px;
    margin: 0;
    text-transform: uppercase;
}

[data-theme="dark"] .logo h1 {
    color: #FFFFFF;
}

.logo-img {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.controls {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 6px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.clock {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
}

.theme-toggle {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 16px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
}

.theme-toggle:hover {
    color: var(--primary);
    background: rgba(0, 122, 255, 0.1);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

/* Main Content */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 0 32px;
    text-align: center;
    position: relative;
    z-index: 1;
    min-height: 0;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
    line-height: 1.1;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero p {
    font-size: 20px;
    font-weight: 400;
    color: #000000;
    margin-bottom: 32px;
    line-height: 1.4;
    max-width: 500px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

/* Features */
.features {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-secondary);
    color: #000000;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition-normal);
    animation: fadeInUp 0.8s ease-out both;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(0);
    opacity: 1;
}

.feature:nth-child(1) { animation-delay: 0.2s; }
.feature:nth-child(2) { animation-delay: 0.4s; }
.feature:nth-child(3) { animation-delay: 0.6s; }

.feature:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border-color: var(--apple-blue);
}

.feature i {
    color: var(--apple-blue);
    font-size: 20px;
    transition: var(--transition-normal);
}

.feature:hover i {
    transform: scale(1.1);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Login Container */
.login-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.login-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(30px);
    border-radius: var(--radius-xl);
    padding: 40px;
    border: 1px solid var(--border-secondary);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    animation: slideInUp 0.8s ease-out 0.9s both;
    transform: translateY(0);
    opacity: 1;
    position: relative;
    overflow: hidden;
    max-width: 400px;
    width: 100%;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 2s ease-in-out 1.5s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card h2 {
    font-size: 28px;
    font-weight: 600;
    color: #000000;
    margin-bottom: 8px;
    text-align: center;
}

.login-card p {
    color: #000000;
    font-size: 16px;
    text-align: center;
    margin-bottom: 32px;
}

/* Login Form */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.input-group {
    position: relative;
}

.input-group input {
    width: 100%;
    padding: 16px 20px;
    background: #FFFFFF;
    border: 1px solid #E5E5E7;
    border-radius: var(--radius-md);
    color: #000000;
    font-size: 16px;
    font-weight: 400;
    transition: var(--transition-normal);
    font-family: inherit;
}

.input-group input::placeholder {
    color: var(--text-secondary);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: #FFFFFF;
    transform: scale(1.01);
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.password-toggle:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.login-btn {
    width: 100%;
    padding: 16px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.login-btn:hover::before {
    left: 100%;
}

.login-btn:hover {
    background: #0056CC;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.login-btn:active {
    transform: translateY(0);
}

.error-message {
    color: var(--error);
    font-size: 14px;
    text-align: center;
    margin-top: 8px;
    min-height: 20px;
}

/* Footer */
.footer {
    padding: 16px 32px;
    text-align: center;
    color: #000000;
    font-size: 12px;
    background: transparent;
    backdrop-filter: blur(10px);
    margin-top: auto;
}

.footer a {
    color: var(--primary);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* ===== DASHBOARD ===== */

.dashboard {
    display: none;
    min-height: 100vh;
    background: var(--background);
}

.dashboard.show {
    display: block;
}

/* Dashboard Header */
.dashboard-header {
    background: transparent;
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 32px;
}

.header-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    width: 100%;
    gap: 16px;
    position: relative;
    padding: 16px 32px;
    max-width: 1400px;
    margin: 0 auto;
}

.header-content .logo {
    display: flex;
    align-items: center;
    gap: 8px;
    grid-column: 1;
    justify-self: start;
}

.header-content .logo {
    flex: 0 0 auto;
}

.header-content .logo .logo-img {
    width: 24px;
    height: 24px;
}

.service-hub-text {
    font-size: 20px;
    font-weight: 500;
    color: var(--text-primary);
    margin-left: 6px;
    font-family: 'SF Pro Display', 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
}

/* Center DateTime */
.datetime-center {
    grid-column: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    justify-self: center;
}

.datetime-center .date {
    font-family: 'SF Pro Display', 'SF Pro Text', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 15px;
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1;
}

.datetime-center .time {
    font-family: 'SF Pro Display', 'SF Pro Text', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 24px;
    font-weight: 300;
    color: var(--text-primary);
    line-height: 1;
}

/* Status Group */
.status-group {
    grid-column: 3;
    display: flex;
    align-items: center;
    gap: 5px;
    justify-self: end;
    margin-right: 0;
}

/* Dashboard Header Elements - Individual Containers */
.status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 4px 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    height: 28px;
    transition: var(--transition);
}

.status:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(0, 0, 0, 0.15);
}

/* Search */
.search {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 4px 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    height: 28px;
    width: 350px;
}

.search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.search input {
    border: none;
    background: none;
    outline: none;
    color: var(--text-primary);
    font-size: 16px;
    width: 300px;
    padding: 8px;
}

.search input::placeholder {
    color: var(--text-secondary);
}

.search i {
    color: var(--text-secondary);
    margin-right: 8px;
}

/* Clock Container */
.clock {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 4px 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    height: 32px;
    transition: var(--transition);
    margin-right: 2px;
}

.clock:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(0, 0, 0, 0.15);
}

.refresh-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 12px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    margin-left: 4px;
}

.refresh-btn:hover {
    color: var(--primary);
    background: rgba(0, 122, 255, 0.1);
    transform: scale(1.1);
}

.refresh-btn:active {
    transform: scale(0.95);
}

.refresh-btn:hover {
    color: var(--primary);
    background: rgba(0, 122, 255, 0.1);
    transform: scale(1.05);
}

.refresh-btn:active {
    transform: scale(0.95);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.online {
    background: var(--success);
}

.status-dot.offline {
    background: var(--error);
}

/* User */
.user-compact {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
}

.avatar-dropdown {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    cursor: pointer;
    transition: var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.1);
    height: 28px;
}

.avatar-dropdown:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(0, 0, 0, 0.15);
}

.dropdown-arrow {
    font-size: 12px;
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.avatar-dropdown.active .dropdown-arrow {
    transform: rotate(180deg);
}

.user-compact .avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-secondary);
}

.user-compact .user-role {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
}

.user-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.user-role {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 400;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-secondary);
}

.logout-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 16px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    grid-column: 3;
    justify-self: end;
    margin-left: 8px;
}

/* Search Container */
.search-container {
    display: flex;
    justify-content: flex-end;
    padding: 0 32px 3px 32px;
    max-width: 1400px;
    margin: 0 auto;
}

.logout-btn:hover {
    color: var(--error);
    background: rgba(255, 59, 48, 0.1);
    transform: scale(1.05);
}

.logout-btn:active {
    transform: scale(0.95);
}

.logout-btn:hover {
    color: var(--error);
    background: rgba(255, 59, 48, 0.1);
    transform: scale(1.05);
}

.logout-btn:active {
    transform: scale(0.95);
}

/* User Dropdown Menu */
.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 280px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
    backdrop-filter: blur(20px);
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.dropdown-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-secondary);
}

.dropdown-user-info {
    flex: 1;
}

.dropdown-user-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.dropdown-user-email {
    font-size: 14px;
    color: var(--text-secondary);
}

.dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 8px 0;
}

.dropdown-section {
    padding: 8px 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--transition-normal);
    color: var(--text-primary);
}

.dropdown-item:hover {
    background: var(--background-secondary);
}

.dropdown-item i {
    width: 16px;
    font-size: 14px;
    color: var(--text-secondary);
}

.dropdown-item span {
    font-size: 14px;
    font-weight: 500;
}

.logout-item {
    color: var(--error);
}

.logout-item:hover {
    background: rgba(255, 59, 48, 0.1);
}

.logout-item i {
    color: var(--error);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--background);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition-normal);
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 24px 0 24px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

.modal-header h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.modal-close:hover {
    background: var(--background-secondary);
    color: var(--text-primary);
}

.modal-body {
    padding: 0 24px;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 24px;
    border-top: 1px solid var(--border);
    margin-top: 24px;
}

/* Profile Form Styles */
.profile-form {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.avatar-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: var(--background-secondary);
    border-radius: var(--radius-md);
}

.avatar-preview {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-normal);
}

.avatar-preview:hover .avatar-overlay {
    opacity: 1;
}

.avatar-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    opacity: 0;
    transition: var(--transition-normal);
}

.avatar-overlay i {
    font-size: 24px;
    margin-bottom: 4px;
}

.avatar-overlay span {
    font-size: 12px;
    font-weight: 500;
}

.avatar-upload-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 8px;
}

.avatar-upload-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.form-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-section h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: var(--transition-normal);
    background: var(--background);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-group input[readonly] {
    background: var(--background-secondary);
    color: var(--text-secondary);
    cursor: not-allowed;
}

.form-group small {
    font-size: 12px;
    color: var(--text-secondary);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Checkbox Styles */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

/* Button Styles */
.btn-primary,
.btn-secondary {
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--background-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

/* Responsive Modal */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-header {
        padding: 16px 16px 0 16px;
    }
    
    .modal-body {
        padding: 0 16px;
    }
    
    .modal-footer {
        padding: 16px;
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

/* Notification Styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 16px 20px;
    z-index: 3000;
    transform: translateX(100%);
    transition: var(--transition-normal);
    max-width: 400px;
}

.notification.show {
    transform: translateX(0);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.notification-content i {
    font-size: 18px;
}

.notification-success {
    border-left: 4px solid var(--success);
}

.notification-success i {
    color: var(--success);
}

.notification-error {
    border-left: 4px solid var(--error);
}

.notification-error i {
    color: var(--error);
}

.notification-info {
    border-left: 4px solid var(--primary);
}

.notification-info i {
    color: var(--primary);
}

/* Avatar Modal Specific Styles */
.avatar-modal-content {
    max-width: 700px;
}

.avatar-preview-section {
    margin-bottom: 32px;
}

.current-avatar {
    text-align: center;
}

.current-avatar h3 {
    margin-bottom: 16px;
    color: var(--text-primary);
}

.avatar-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.avatar-display img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--border);
    transition: var(--transition-normal);
}

.avatar-display img:hover {
    border-color: var(--primary);
    transform: scale(1.05);
}

.avatar-actions {
    display: flex;
    gap: 8px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 12px;
}

.avatar-upload-section {
    margin-bottom: 32px;
}

.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    background: var(--background-secondary);
}

.upload-area:hover {
    border-color: var(--primary);
    background: rgba(0, 122, 255, 0.05);
}

.upload-area.dragover {
    border-color: var(--primary);
    background: rgba(0, 122, 255, 0.1);
    transform: scale(1.02);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.upload-content i {
    font-size: 48px;
    color: var(--text-secondary);
}

.upload-content p {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}

.upload-content span {
    font-size: 14px;
    color: var(--text-secondary);
}

.avatar-gallery-section {
    margin-bottom: 32px;
}

.avatar-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.avatar-option {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-normal);
    position: relative;
}

.avatar-option:hover {
    border-color: var(--primary);
    transform: scale(1.1);
}

.avatar-option.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.2);
}

.avatar-option img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-option::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--primary);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    opacity: 0;
    transition: var(--transition-normal);
}

.avatar-option.selected::after {
    opacity: 1;
}

.avatar-settings-section {
    margin-bottom: 24px;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.setting-item {
    display: flex;
    align-items: center;
}

/* Responsive Avatar Modal */
@media (max-width: 768px) {
    .avatar-modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .avatar-gallery {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .settings-grid {
        grid-template-columns: 1fr;
    }
    
    .upload-area {
        padding: 24px;
    }
    
    .upload-content i {
        font-size: 36px;
    }
    
    .upload-content p {
        font-size: 14px;
    }
}

/* Settings Modal Specific Styles */
.settings-modal-content {
    max-width: 800px;
    height: 80vh;
    display: flex;
    flex-direction: column;
}

.settings-modal-content .modal-body {
    display: flex;
    flex: 1;
    gap: 24px;
    padding: 0;
    overflow: hidden;
}

.settings-nav {
    width: 200px;
    background: var(--background-secondary);
    border-right: 1px solid var(--border);
    padding: 16px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: left;
    font-size: 14px;
}

.nav-item:hover {
    background: var(--background);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--primary);
    color: white;
}

.nav-item i {
    width: 16px;
    font-size: 14px;
}

.settings-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.settings-tab {
    display: none;
}

.settings-tab.active {
    display: block;
}

.settings-tab h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 24px 0;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-info {
    flex: 1;
}

.setting-info label {
    display: block;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.setting-info span {
    font-size: 14px;
    color: var(--text-secondary);
}

.setting-control {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--background);
    color: var(--text-primary);
    font-size: 14px;
    min-width: 150px;
}

.setting-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border);
    transition: var(--transition-normal);
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: var(--transition-normal);
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--primary);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

/* Theme Selector */
.theme-selector {
    display: flex;
    gap: 12px;
}

.theme-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--background);
    cursor: pointer;
    transition: var(--transition-normal);
    min-width: 80px;
}

.theme-option:hover {
    border-color: var(--primary);
}

.theme-option.active {
    border-color: var(--primary);
    background: rgba(0, 122, 255, 0.1);
}

.theme-preview {
    width: 40px;
    height: 24px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.theme-preview.light {
    background: linear-gradient(to right, #ffffff 50%, #f2f2f7 50%);
}

.theme-preview.dark {
    background: linear-gradient(to right, #1c1c1e 50%, #2c2c2e 50%);
}

.theme-preview.auto {
    background: linear-gradient(to right, #ffffff 33%, #f2f2f7 33%, #1c1c1e 66%, #2c2c2e 66%);
}

.theme-option span {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
}

/* Font Size Control */
.font-size-control {
    display: flex;
    gap: 8px;
}

.font-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--background);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-normal);
    font-weight: bold;
}

.font-btn:hover {
    border-color: var(--primary);
}

.font-btn.active {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
}

.font-btn[data-size="small"] {
    font-size: 12px;
}

.font-btn[data-size="medium"] {
    font-size: 16px;
}

.font-btn[data-size="large"] {
    font-size: 20px;
}

/* Button Styles */
.btn-danger {
    background: var(--error);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-danger:hover {
    background: #d32f2f;
    transform: translateY(-1px);
}

/* Responsive Settings Modal */
@media (max-width: 768px) {
    .settings-modal-content {
        width: 95%;
        height: 95vh;
    }
    
    .settings-modal-content .modal-body {
        flex-direction: column;
    }
    
    .settings-nav {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        display: flex;
        overflow-x: auto;
        padding: 12px;
    }
    
    .nav-item {
        flex-shrink: 0;
        padding: 8px 16px;
        white-space: nowrap;
    }
    
    .settings-content {
        padding: 16px;
    }
    
    .setting-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .theme-selector {
        flex-direction: column;
    }
    
    .theme-option {
        flex-direction: row;
        justify-content: flex-start;
        min-width: auto;
    }
}

/* Email Modal Specific Styles */
.email-modal-content {
    max-width: 900px;
    height: 85vh;
    display: flex;
    flex-direction: column;
}

.email-modal-content .modal-body {
    display: flex;
    flex: 1;
    gap: 24px;
    padding: 0;
    overflow: hidden;
}

.email-nav {
    width: 180px;
    background: var(--background-secondary);
    border-right: 1px solid var(--border);
    padding: 16px 0;
    overflow-y: auto;
}

.email-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.email-tab {
    display: none;
}

.email-tab.active {
    display: block;
}

.email-tab h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 24px 0;
}

/* Email Form Styles */
.email-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.email-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.email-form .form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.email-form .form-group input,
.email-form .form-group textarea,
.email-form .form-group select {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: var(--transition-normal);
    background: var(--background);
    color: var(--text-primary);
}

.email-form .form-group input:focus,
.email-form .form-group textarea:focus,
.email-form .form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.email-form .form-group textarea {
    resize: vertical;
    min-height: 200px;
    font-family: inherit;
}

/* Template Styles */
.template-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.template-item {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: var(--transition-normal);
}

.template-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.template-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.template-header h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.template-category {
    font-size: 12px;
    color: var(--text-secondary);
    background: var(--background-secondary);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.template-item p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 16px 0;
    line-height: 1.5;
}

/* Email History Styles */
.email-history {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.history-item {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    transition: var(--transition-normal);
}

.history-item:hover {
    border-color: var(--primary);
    background: var(--background-secondary);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.history-subject {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
}

.history-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.history-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.history-recipient {
    font-size: 14px;
    color: var(--text-secondary);
}

.history-status {
    font-size: 12px;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.history-status.sent {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success);
}

.history-status.delivered {
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary);
}

.history-status.read {
    background: rgba(88, 86, 214, 0.1);
    color: var(--secondary);
}

/* Responsive Email Modal */
@media (max-width: 768px) {
    .email-modal-content {
        width: 95%;
        height: 95vh;
    }
    
    .email-modal-content .modal-body {
        flex-direction: column;
    }
    
    .email-nav {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        display: flex;
        overflow-x: auto;
        padding: 12px;
    }
    
    .nav-item {
        flex-shrink: 0;
        padding: 8px 16px;
        white-space: nowrap;
    }
    
    .email-content {
        padding: 16px;
    }
    
    .template-list {
        grid-template-columns: 1fr;
    }
}

/* Admin Panel Specific Styles */
.admin-modal-content {
    max-width: 1000px;
    height: 90vh;
    display: flex;
    flex-direction: column;
}

.admin-modal-content .modal-body {
    display: flex;
    flex: 1;
    gap: 24px;
    padding: 0;
    overflow: hidden;
}

.admin-nav {
    width: 200px;
    background: var(--background-secondary);
    border-right: 1px solid var(--border);
    padding: 16px 0;
    overflow-y: auto;
}

.admin-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.admin-tab {
    display: none;
}

.admin-tab.active {
    display: block;
}

.admin-tab h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 24px 0;
}

/* Dashboard Stats */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.stat-info {
    flex: 1;
}

.stat-value {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Dashboard Widgets */
.dashboard-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.widget {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
}

.widget h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 16px 0;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-item i {
    color: var(--primary);
    width: 16px;
}

.activity-item span {
    font-size: 14px;
    color: var(--text-primary);
}

.activity-time {
    font-size: 12px;
    color: var(--text-secondary);
    margin-left: auto;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
}

/* User Management */
.user-management {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* User Controls */
.user-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 16px;
    background: var(--background-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.user-search {
    position: relative;
    flex: 1;
    max-width: 300px;
}

.user-search input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--background);
    color: var(--text-primary);
}

.user-search i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.user-filters {
    display: flex;
    gap: 12px;
    align-items: center;
}

.filter-select {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--background);
    color: var(--text-primary);
    font-size: 14px;
    min-width: 120px;
}

/* User Actions */
.user-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.action-group {
    display: flex;
    gap: 12px;
}

.bulk-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--background-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.bulk-count {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* User Statistics */
.user-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.stat-item {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
    transition: var(--transition-normal);
}

.stat-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.stat-number {
    display: block;
    font-size: 24px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* User List */
.user-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.user-item {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition-normal);
}

.user-item:hover {
    border-color: var(--primary);
    background: var(--background-secondary);
}

.user-select {
    display: flex;
    align-items: center;
}

.user-checkbox {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.user-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-name {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
}

.user-email {
    font-size: 14px;
    color: var(--text-secondary);
}

.user-role {
    font-size: 12px;
    color: var(--primary);
    font-weight: 500;
}

.user-joined {
    font-size: 12px;
    color: var(--text-secondary);
}

.user-status {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 120px;
}

.status-badge {
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
}

.status-badge.online {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success);
}

.status-badge.offline {
    background: rgba(255, 59, 48, 0.1);
    color: var(--error);
}

.status-badge.suspended {
    background: rgba(255, 149, 0, 0.1);
    color: var(--warning);
}

.last-seen {
    font-size: 11px;
    color: var(--text-secondary);
    text-align: center;
}

.user-actions {
    display: flex;
    gap: 8px;
}

/* User Pagination */
.user-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--background-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.pagination-info {
    font-size: 14px;
    color: var(--text-secondary);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-info {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Responsive User Management */
@media (max-width: 768px) {
    .user-controls {
        flex-direction: column;
        gap: 12px;
    }
    
    .user-search {
        max-width: 100%;
    }
    
    .user-filters {
        width: 100%;
        justify-content: space-between;
    }
    
    .user-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .action-group {
        width: 100%;
        justify-content: space-between;
    }
    
    .user-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .user-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .user-status {
        align-self: flex-end;
    }
    
    .user-pagination {
        flex-direction: column;
        gap: 12px;
    }
}

/* Service Management */
.service-management {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.service-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-item {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition-normal);
}

.service-item:hover {
    border-color: var(--primary);
    background: var(--background-secondary);
}

.service-info {
    flex: 1;
}

.service-name {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.service-url {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.service-status {
    font-size: 12px;
    font-weight: 500;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.service-status.online {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success);
}

.service-actions {
    display: flex;
    gap: 8px;
}

/* System Logs */
.log-controls {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    align-items: center;
}

.log-viewer {
    background: var(--background-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    max-height: 400px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 12px;
}

.log-entry {
    display: flex;
    gap: 12px;
    padding: 4px 0;
    border-bottom: 1px solid var(--border);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-time {
    color: var(--text-secondary);
    min-width: 140px;
}

.log-level {
    font-weight: bold;
    min-width: 60px;
}

.log-level.error {
    color: var(--error);
}

.log-level.warning {
    color: var(--warning);
}

.log-level.info {
    color: var(--primary);
}

.log-message {
    color: var(--text-primary);
    flex: 1;
}

/* Responsive Admin Panel */
@media (max-width: 768px) {
    .admin-modal-content {
        width: 95%;
        height: 95vh;
    }
    
    .admin-modal-content .modal-body {
        flex-direction: column;
    }
    
    .admin-nav {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        display: flex;
        overflow-x: auto;
        padding: 12px;
    }
    
    .nav-item {
        flex-shrink: 0;
        padding: 8px 16px;
        white-space: nowrap;
    }
    
    .admin-content {
        padding: 16px;
    }
    
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-widgets {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .user-item,
    .service-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .user-status,
    .service-actions {
        margin: 0;
        align-self: flex-end;
    }
}

/* Create User Modal Specific Styles */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-group .checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-primary);
    cursor: pointer;
}

.checkbox-group .checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.checkbox-group .checkbox-label span {
    flex: 1;
}

/* Form validation styles */
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--error);
}

.form-group.error small {
    color: var(--error);
    font-size: 12px;
    margin-top: 4px;
    display: block;
}

.form-group.success input,
.form-group.success select,
.form-group.success textarea {
    border-color: var(--success);
}

/* Password strength indicator */
.password-strength {
    margin-top: 8px;
    font-size: 12px;
}

.password-strength.weak {
    color: var(--error);
}

.password-strength.medium {
    color: var(--warning);
}

.password-strength.strong {
    color: var(--success);
}

/* Username availability indicator */
.username-status {
    margin-top: 4px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.username-status.available {
    color: var(--success);
}

.username-status.unavailable {
    color: var(--error);
}

.username-status.checking {
    color: var(--text-secondary);
}

/* Responsive Create User Modal */
@media (max-width: 768px) {
    .create-user-modal .modal-content {
        width: 95%;
        max-height: 90vh;
    }
    
    .create-user-modal .form-row {
        grid-template-columns: 1fr;
    }
    
    .create-user-modal .checkbox-group {
        gap: 8px;
    }
}

/* Password Reset Modal Specific Styles */
.password-reset-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}

.tab-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--background-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 14px;
    font-weight: 500;
}

.tab-button:hover {
    background: var(--background);
    border-color: var(--primary);
    color: var(--primary);
}

.tab-button.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.tab-button i {
    font-size: 16px;
}

.password-reset-tab {
    display: none;
}

.password-reset-tab.active {
    display: block;
}

.reset-info {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: rgba(0, 122, 255, 0.1);
    border: 1px solid rgba(0, 122, 255, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.reset-info i {
    color: var(--primary);
    font-size: 18px;
    margin-top: 2px;
}

.reset-info p {
    margin: 0;
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
}

/* Reset History Styles */
.reset-history {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.history-filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 300px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.history-item:hover {
    border-color: var(--primary);
    background: var(--background-secondary);
}

.history-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.history-user {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
}

.history-type {
    font-size: 14px;
    color: var(--text-secondary);
}

.history-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.history-status {
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    margin: 0 16px;
}

.history-status.completed {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success);
}

.history-status.expired {
    background: rgba(255, 149, 0, 0.1);
    color: var(--warning);
}

.history-status.requested {
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary);
}

.history-actions {
    display: flex;
    gap: 8px;
}

/* Responsive Password Reset Modal */
@media (max-width: 768px) {
    .password-reset-tabs {
        flex-direction: column;
        gap: 4px;
    }
    
    .tab-button {
        justify-content: center;
    }
    
    .history-filters {
        flex-direction: column;
        gap: 8px;
    }
    
    .history-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .history-status {
        margin: 0;
        align-self: flex-end;
    }
}

/* Change Password Modal Specific Styles */
.password-change-info {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: rgba(0, 122, 255, 0.1);
    border: 1px solid rgba(0, 122, 255, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.password-change-info i {
    color: var(--primary);
    font-size: 18px;
    margin-top: 2px;
}

.password-change-info p {
    margin: 0;
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
}

.password-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-group input {
    flex: 1;
    padding-right: 40px;
}

.password-toggle {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.password-toggle:hover {
    color: var(--primary);
    background: var(--background-secondary);
}

.password-requirements {
    margin-top: 16px;
    padding: 16px;
    background: var(--background-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.password-requirements h4 {
    margin: 0 0 12px 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.password-requirements ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.password-requirements li {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.password-requirements li:last-child {
    margin-bottom: 0;
}

.password-requirements li i {
    font-size: 8px;
    transition: var(--transition-normal);
}

.requirement.met {
    color: var(--success);
}

.requirement.met i {
    color: var(--success);
}

.requirement.not-met {
    color: var(--text-secondary);
}

.requirement.not-met i {
    color: var(--text-secondary);
}

.password-match {
    margin-top: 8px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.password-match.match {
    color: var(--success);
}

.password-match.no-match {
    color: var(--error);
}

.password-match.checking {
    color: var(--text-secondary);
}

/* Responsive Change Password Modal */
@media (max-width: 768px) {
    .password-requirements {
        padding: 12px;
    }
    
    .password-requirements li {
        font-size: 12px;
    }
}

/* Security Settings Modal Specific Styles */
.security-modal-content {
    max-width: 900px;
    height: 80vh;
    display: flex;
    flex-direction: column;
}

.security-modal-content .modal-body {
    display: flex;
    flex: 1;
    gap: 24px;
    padding: 0;
    overflow: hidden;
}

.security-nav {
    width: 200px;
    background: var(--background-secondary);
    border-right: 1px solid var(--border);
    padding: 16px 0;
    overflow-y: auto;
}

.security-content {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.security-tab {
    display: none;
}

.security-tab.active {
    display: block;
}

.security-tab h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 24px 0;
}

/* Two-Factor Authentication Styles */
.twofactor-status {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.status-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.status-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.status-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--background-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
}

.status-info {
    flex: 1;
}

.status-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.status-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.status-badge {
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
}

.status-badge.active {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success);
}

.status-badge.inactive {
    background: rgba(255, 59, 48, 0.1);
    color: var(--error);
}

.backup-codes {
    background: var(--background-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
}

.backup-codes h4 {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.backup-codes p {
    margin: 0 0 16px 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.code-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 8px;
    margin-bottom: 16px;
}

.backup-code {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px;
    text-align: center;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Sessions Styles */
.session-controls {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.session-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.session-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.session-item:hover {
    border-color: var(--primary);
    background: var(--background-secondary);
}

.session-item.current {
    border-color: var(--primary);
    background: rgba(0, 122, 255, 0.05);
}

.session-info {
    flex: 1;
}

.session-device {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.session-device i {
    color: var(--primary);
}

.session-location {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.session-time {
    font-size: 12px;
    color: var(--text-secondary);
}

.session-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.session-status {
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
}

.session-status.current {
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary);
}

/* Login History Styles */
.history-filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.history-item:hover {
    border-color: var(--primary);
    background: var(--background-secondary);
}

.history-item.successful {
    border-left: 4px solid var(--success);
}

.history-item.failed {
    border-left: 4px solid var(--error);
}

.history-item.suspicious {
    border-left: 4px solid var(--warning);
}

.history-info {
    flex: 1;
}

.history-action {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.history-device {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.history-location {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.history-time {
    font-size: 12px;
    color: var(--text-secondary);
}

.history-status {
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
}

.history-item.successful .history-status {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success);
}

.history-item.failed .history-status {
    background: rgba(255, 59, 48, 0.1);
    color: var(--error);
}

.history-item.suspicious .history-status {
    background: rgba(255, 149, 0, 0.1);
    color: var(--warning);
}

/* Responsive Security Settings Modal */
@media (max-width: 768px) {
    .security-modal-content {
        width: 95%;
        height: 90vh;
    }
    
    .security-modal-content .modal-body {
        flex-direction: column;
    }
    
    .security-nav {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        display: flex;
        overflow-x: auto;
        padding: 12px;
    }
    
    .nav-item {
        flex-shrink: 0;
        padding: 8px 16px;
        white-space: nowrap;
    }
    
    .security-content {
        padding: 16px;
    }
    
    .twofactor-status {
        gap: 12px;
    }
    
    .status-card {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    
    .code-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .session-item,
    .history-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .session-actions,
    .history-status {
        align-self: flex-end;
    }
}

/* Two-Factor Authentication Styles */
.setup-info {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: rgba(0, 122, 255, 0.1);
    border: 1px solid rgba(0, 122, 255, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.setup-info i {
    color: var(--primary);
    font-size: 18px;
    margin-top: 2px;
}

.setup-info p {
    margin: 0;
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
}

.setup-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.code-input-group {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.code-input-group input {
    flex: 1;
}

.code-input-group button {
    flex-shrink: 0;
    white-space: nowrap;
}

.verification-status {
    margin-top: 12px;
    padding: 12px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    display: none;
}

.verification-status.success {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success);
    border: 1px solid rgba(52, 199, 89, 0.2);
    display: block;
}

.verification-status.error {
    background: rgba(255, 59, 48, 0.1);
    color: var(--error);
    border: 1px solid rgba(255, 59, 48, 0.2);
    display: block;
}

.verification-status.info {
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary);
    border: 1px solid rgba(0, 122, 255, 0.2);
    display: block;
}

/* QR Code Styles */
.qr-section {
    margin-bottom: 32px;
}

.qr-section h4 {
    margin: 0 0 16px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.qr-container {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.qr-code {
    width: 200px;
    height: 200px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--text-secondary);
}

.qr-info {
    flex: 1;
}

.qr-info p {
    margin: 0 0 8px 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.qr-info p strong {
    color: var(--text-primary);
}

.verification-section {
    border-top: 1px solid var(--border);
    padding-top: 24px;
}

.verification-section h4 {
    margin: 0 0 16px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

/* 2FA Verification Modal */
.verification-info {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: rgba(255, 149, 0, 0.1);
    border: 1px solid rgba(255, 149, 0, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.verification-info i {
    color: var(--warning);
    font-size: 18px;
    margin-top: 2px;
}

.verification-info p {
    margin: 0;
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
}

.verification-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.verification-options {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.verification-options button {
    flex: 1;
    font-size: 13px;
    padding: 8px 12px;
}

/* Responsive 2FA Styles */
@media (max-width: 768px) {
    .qr-container {
        flex-direction: column;
        gap: 16px;
    }
    
    .qr-code {
        width: 150px;
        height: 150px;
        align-self: center;
    }
    
    .verification-options {
        flex-direction: column;
    }
    
    .code-input-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .code-input-group button {
        align-self: flex-start;
    }
}

/* Session Management Modal Styles */
.session-modal-content {
    max-width: 900px;
    height: 80vh;
    display: flex;
    flex-direction: column;
}

.session-overview {
    margin-bottom: 24px;
}

.session-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--background-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
}

.stat-info {
    flex: 1;
}

.stat-number {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.session-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--background-secondary);
    border-radius: var(--radius-md);
}

.control-group {
    display: flex;
    gap: 12px;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.filter-select {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--background);
    color: var(--text-primary);
    font-size: 14px;
}

.session-list {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 24px;
}

.session-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    transition: var(--transition-normal);
}

.session-item:hover {
    border-color: var(--primary);
    background: var(--background-secondary);
}

.session-item.current {
    border-color: var(--primary);
    background: rgba(0, 122, 255, 0.05);
}

.session-item.suspicious {
    border-color: var(--warning);
    background: rgba(255, 149, 0, 0.05);
}

.session-item.inactive {
    opacity: 0.6;
}

.session-info {
    flex: 1;
}

.session-device {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.session-device i {
    color: var(--primary);
}

.session-location {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.session-time {
    font-size: 12px;
    color: var(--text-secondary);
}

.session-details {
    display: flex;
    align-items: center;
    gap: 8px;
}

.session-status {
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
}

.session-status.current {
    background: rgba(0, 122, 255, 0.1);
    color: var(--primary);
}

.session-status.active {
    background: rgba(52, 199, 89, 0.1);
    color: var(--success);
}

.session-status.inactive {
    background: rgba(255, 59, 48, 0.1);
    color: var(--error);
}

.session-status.suspicious {
    background: rgba(255, 149, 0, 0.1);
    color: var(--warning);
}

.session-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.session-settings {
    border-top: 1px solid var(--border);
    padding-top: 24px;
}

.session-settings h4 {
    margin: 0 0 16px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Responsive Session Management */
@media (max-width: 768px) {
    .session-modal-content {
        width: 95%;
        height: 90vh;
    }
    
    .session-stats {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .session-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .control-group {
        justify-content: center;
    }
    
    .session-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .session-details {
        align-self: flex-end;
    }
}

/* Dashboard Content */
.dashboard-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px 32px 32px;
}

.services-container {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Services Container */
.services-container {
    padding: 24px 0;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

/* Service Card */
.service-card {
    background: var(--background);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.service-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--primary);
}

.service-header {
    display: flex;
    align-items: center;
    gap: 16px;
}

.service-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background-secondary);
    color: var(--primary);
    font-size: 20px;
    transition: var(--transition);
}

.service-icon-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

.service-info {
    flex: 1;
}

.service-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 18px;
    margin-bottom: 4px;
}

.service-description {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Service Metrics */
.service-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
    padding: 16px;
    background: var(--background-secondary);
    border-radius: var(--radius-sm);
}

.metric-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.metric-item:hover {
    background: rgba(0, 122, 255, 0.1);
}

.metric-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-weight: 500;
}

.metric-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.status-good {
    color: var(--success);
}

.status-warning {
    color: var(--warning);
}

.status-error {
    color: var(--error);
}

/* Service Status */
.service-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.status-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-text {
    font-size: 14px;
    font-weight: 500;
}

.service-actions {
    display: flex;
    gap: 8px;
}

.action-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--background-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-btn:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.05);
}

/* Loading Spinner */
.loading-spinner {
    display: none;
    text-align: center;
    padding: 48px;
}

.loading-spinner.show {
    display: block;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--background-secondary);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== RESPONSIVE DESIGN ===== */

/* Mobile First Approach - Comprehensive Mobile Compatibility */

/* Large Tablets and Small Desktops */
@media (max-width: 1024px) {
    .header-content {
        gap: 16px;
    }
    
    .search input {
        width: 250px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .service-card {
        padding: 16px;
    }
}

/* Tablets */
@media (max-width: 768px) {
    .header-content {
        display: flex;
        flex-direction: column;
        gap: 8px;
        align-items: stretch;
        padding: 16px 16px;
        margin: 0 16px;
    }
    
    /* Reset grid layout on tablets */
    .datetime-center {
        grid-column: auto;
        justify-self: center;
        text-align: center;
        margin: 0 auto;
    }
    
    .status,
    .clock,
    .theme-toggle,
    .user-compact,
    .logout-btn {
        height: 28px;
    }
    
    .user-compact .avatar {
        width: 24px;
        height: 24px;
    }
    
    .user-compact .user-role {
        font-size: 12px;
    }
    
    .refresh-btn {
        width: 18px;
        height: 18px;
    }
    
    .search {
        width: 100%;
        order: -1;
    }
    
    .search input {
        width: 100%;
        font-size: 14px;
        padding: 8px;
    }
    
    .search-container {
        justify-content: center;
        padding: 0 16px 3px 16px;
        margin: 0 16px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .features {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    
    .feature {
        width: 100%;
        max-width: 300px;
        padding: 16px;
    }
    
    .controls {
        gap: 8px;
        padding: 4px;
    }
    
    .clock {
        display: none;
    }
    
    .hero h1 {
        font-size: 28px;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 16px;
        line-height: 1.4;
    }
    
    .header {
        padding: 12px 16px;
    }
    
    .dashboard-content {
        padding: 12px 16px;
    }
    
    .login-card {
        margin: 20px;
        padding: 24px;
    }
    
    .login-form {
        gap: 16px;
    }
    
    .input-group input {
        font-size: 16px;
        padding: 12px 16px;
    }
    
    .login-btn {
        padding: 12px 24px;
        font-size: 16px;
    }
    
    .footer {
        padding: 16px;
        font-size: 14px;
    }
    
    /* Dashboard Mobile Optimizations */
    .dashboard-header {
        padding: 12px 16px;
    }
    
    .logo h1 {
        font-size: 20px;
    }
    
    .service-hub-text {
        font-size: 14px;
    }
    
    .user-compact {
        padding: 4px 8px;
        height: 28px;
    }
    
    .user-compact .avatar {
        width: 24px;
        height: 24px;
    }
    
    .user-compact .user-role {
        font-size: 11px;
    }
    
    .logout-btn {
        width: 28px;
        height: 28px;
        padding: 4px;
    }
    
    .status {
        height: 28px;
        padding: 4px 8px;
        font-size: 11px;
    }
    
    .refresh-btn {
        width: 28px;
        height: 28px;
        padding: 4px;
    }
    
    .theme-toggle {
        width: 28px;
        height: 28px;
        padding: 4px;
    }
}

/* Mobile Phones */
@media (max-width: 480px) {
    .landing-page {
        height: 100vh;
        overflow-y: auto;
    }
    
    .main {
        padding: 16px;
        gap: 24px;
    }
    
    .hero h1 {
        font-size: 24px;
        margin-bottom: 12px;
    }
    
    .hero p {
        font-size: 14px;
        margin-bottom: 24px;
    }
    
    .features {
        gap: 12px;
    }
    
    .feature {
        padding: 12px;
        font-size: 14px;
    }
    
    .login-card {
        margin: 16px;
        padding: 20px;
        border-radius: 16px;
    }
    
    .login-card h2 {
        font-size: 20px;
        margin-bottom: 8px;
    }
    
    .login-card p {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .input-group {
        margin-bottom: 12px;
    }
    
    .input-group input {
        padding: 12px 14px;
        font-size: 16px;
    }
    
    .password-toggle {
        padding: 8px;
        right: 8px;
    }
    
    .login-btn {
        padding: 14px 20px;
        font-size: 16px;
        width: 100%;
    }
    
    /* Dashboard Mobile Optimizations */
    .dashboard-header {
        padding: 8px 12px;
    }
    
    .header-content {
        display: flex;
        gap: 3px;
        padding: 16px 16px;
        margin: 0 16px;
        align-items: center;
    }
    
    /* Reset grid layout on phones */
    .datetime-center {
        grid-column: auto;
        justify-self: center;
        text-align: center;
        margin: 0 auto;
    }
    
    .logo {
        gap: 6px;
    }
    
    .logo h1 {
        font-size: 18px;
        letter-spacing: 1px;
    }
    
    .service-hub-text {
        font-size: 12px;
    }
    
    .logo-img {
        width: 24px;
        height: 24px;
    }
    
    .status,
    .clock,
    .theme-toggle,
    .user-compact,
    .logout-btn {
        height: 24px;
        padding: 3px 8px;
    }
    
    .user-compact {
        gap: 4px;
    }
    
    .user-compact .avatar {
        width: 20px;
        height: 20px;
    }
    
    .user-compact .user-role {
        font-size: 10px;
    }
    
    .refresh-btn {
        width: 16px;
        height: 16px;
    }
    
    .status {
        height: 24px;
        padding: 3px 6px;
        font-size: 10px;
        gap: 4px;
    }
    
    .refresh-btn {
        width: 24px;
        height: 24px;
        padding: 3px;
    }
    
    .theme-toggle {
        width: 24px;
        height: 24px;
        padding: 3px;
    }
    
    .dashboard-content {
        padding: 8px 12px;
    }
    
    .services-grid {
        gap: 8px;
    }
    
    .service-card {
        padding: 12px;
        border-radius: 12px;
    }
    
    .service-header {
        margin-bottom: 8px;
    }
    
    .service-name {
        font-size: 14px;
    }
    
    .service-description {
        font-size: 12px;
    }
    
    .service-metrics {
        gap: 8px;
        margin-top: 8px;
    }
    
    .metric-item {
        padding: 6px 8px;
        font-size: 11px;
    }
    
    .footer {
        padding: 12px;
        font-size: 12px;
    }
}

/* Extra Small Mobile */
@media (max-width: 360px) {
    .hero h1 {
        font-size: 20px;
    }
    
    .hero p {
        font-size: 13px;
    }
    
    .login-card {
        margin: 12px;
        padding: 16px;
    }
    
    .logo h1 {
        font-size: 16px;
    }
    
    .service-hub-text {
        font-size: 11px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 8px;
    }
    
    .user-compact {
        width: 100%;
        justify-content: center;
    }
    
    .logout-btn {
        position: absolute;
        top: 8px;
        right: 8px;
    }
}

/* Mobile-specific enhancements */
.mobile-device .service-card {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.mobile-device .service-card:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
}

.mobile-device .login-btn,
.mobile-device .action-btn,
.mobile-device .refresh-btn,
.mobile-device .theme-toggle,
.mobile-device .logout-btn {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.mobile-device .login-btn:active,
.mobile-device .action-btn:active,
.mobile-device .refresh-btn:active,
.mobile-device .theme-toggle:active,
.mobile-device .logout-btn:active {
    transform: scale(0.95);
    transition: transform 0.1s ease;
}

/* Prevent text selection on mobile */
.mobile-device .service-card,
.mobile-device .login-btn,
.mobile-device .action-btn {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Improved touch targets */
@media (max-width: 768px) {
    .service-card,
    .login-btn,
    .action-btn,
    .refresh-btn,
    .theme-toggle,
    .logout-btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .input-group input {
        min-height: 44px;
    }
    
    .password-toggle {
        min-height: 44px;
        min-width: 44px;
    }
}

/* Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .landing-page {
        height: auto;
        min-height: 100vh;
    }
    
    .main {
        padding: 12px 16px;
    }
    
    .hero h1 {
        font-size: 20px;
        margin-bottom: 8px;
    }
    
    .hero p {
        font-size: 13px;
        margin-bottom: 16px;
    }
    
    .features {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }
    
    .feature {
        width: calc(50% - 6px);
        min-width: 140px;
        padding: 12px;
    }
    
    .login-card {
        margin: 12px auto;
        max-width: 400px;
    }
}

/* ===== DARK THEME ===== */

[data-theme="dark"] .landing-page {
    background: var(--background-primary);
}

[data-theme="dark"] .header {
    background: transparent;
}

[data-theme="dark"] .footer {
    background: transparent;
}

[data-theme="dark"] .hero h1 {
    color: #FFFFFF;
}

[data-theme="dark"] .hero p {
    color: #FFFFFF;
}

[data-theme="dark"] .login-card {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .login-card h2 {
    color: #FFFFFF;
}

[data-theme="dark"] .login-card p {
    color: #FFFFFF;
}

[data-theme="dark"] .input-group input {
    color: #000000;
    background: #FFFFFF;
    border-color: #E5E5E7;
}

[data-theme="dark"] .input-group input::placeholder {
    color: var(--text-secondary);
}

[data-theme="dark"] .input-group input:focus {
    background: #FFFFFF;
    border-color: var(--primary);
}

[data-theme="dark"] .controls {
    background: rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .clock,
[data-theme="dark"] .theme-toggle {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
}

[data-theme="dark"] .theme-toggle:hover {
    background: rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .feature {
    background: rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .feature:hover {
    background: rgba(0, 0, 0, 0.3);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .footer {
    color: #FFFFFF;
}

[data-theme="dark"] .footer a {
    color: var(--primary);
}

/* Dashboard Dark Mode */
[data-theme="dark"] .dashboard-header {
    background: transparent;
}

[data-theme="dark"] .header-content .logo h1 {
    color: #FFFFFF;
}

[data-theme="dark"] .service-hub-text {
    color: rgba(255, 255, 255, 0.8);
}

[data-theme="dark"] .search {
    background: rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .search input {
    color: #FFFFFF;
}

[data-theme="dark"] .search input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .search i {
    color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .status {
    color: #FFFFFF;
}

[data-theme="dark"] .refresh-btn {
    color: #FFFFFF;
}

[data-theme="dark"] .user-name {
    color: #FFFFFF;
}

[data-theme="dark"] .user-role {
    color: rgba(255, 255, 255, 0.7);
}

/* Dashboard Dark Mode - Rounded Containers */
[data-theme="dark"] .header-controls {
    background: rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .search {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .status {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
}

[data-theme="dark"] .refresh-btn {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
}

[data-theme="dark"] .user-compact {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .user-compact .user-role {
    color: rgba(255, 255, 255, 0.8);
}

[data-theme="dark"] .logout-btn {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
}

[data-theme="dark"] .logout-btn:hover {
    background: rgba(255, 59, 48, 0.2);
    border-color: var(--error);
}

/* ===== FILE SHARING SYSTEM ===== */

/* File Sharing Modal Styles */
.file-sharing-modal-content {
    max-width: 1000px;
    height: 80vh;
    display: flex;
    flex-direction: column;
}

.file-sharing-nav {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}

.file-sharing-nav .nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
}

.file-sharing-nav .nav-item:hover {
    background: var(--background-secondary);
    color: var(--text-primary);
}

.file-sharing-nav .nav-item.active {
    background: var(--primary);
    color: white;
}

.file-sharing-nav .nav-item i {
    font-size: 16px;
}

.file-content {
    flex: 1;
    overflow-y: auto;
}

.file-tab {
    display: none;
}

.file-tab.active {
    display: block;
}

/* Upload Section */
.upload-section {
    text-align: center;
    padding: 24px;
}

.upload-section h3 {
    margin-bottom: 8px;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.upload-section p {
    margin-bottom: 24px;
    color: var(--text-secondary);
}

.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 48px 24px;
    background: var(--background-secondary);
    transition: var(--transition-normal);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary);
    background: rgba(0, 122, 255, 0.05);
}

.upload-area.dragover {
    border-color: var(--primary);
    background: rgba(0, 122, 255, 0.1);
    transform: scale(1.02);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.upload-content i {
    font-size: 48px;
    color: var(--primary);
}

.upload-content p {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}

.upload-content span {
    font-size: 14px;
    color: var(--text-secondary);
}

.upload-progress {
    margin-top: 24px;
    padding: 20px;
    background: var(--background-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.progress-percentage {
    font-weight: 600;
    color: var(--primary);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 16px;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 0%;
}

.upload-files {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.upload-file {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.upload-file-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.upload-file-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--background-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--primary);
}

.upload-file-details {
    flex: 1;
}

.upload-file-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.upload-file-size {
    font-size: 12px;
    color: var(--text-secondary);
}

.upload-file-status {
    font-size: 12px;
    font-weight: 500;
}

.upload-file-status.uploading {
    color: var(--warning);
}

.upload-file-status.success {
    color: var(--success);
}

.upload-file-status.error {
    color: var(--error);
}

/* Files Section */
.files-section {
    padding: 24px;
}

.files-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.files-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.files-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 12px;
    color: var(--text-secondary);
    font-size: 14px;
}

.search-box input {
    padding: 8px 12px 8px 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--background);
    color: var(--text-primary);
    font-size: 14px;
    width: 200px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
}

.files-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.file-card {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
}

.file-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.file-card.selected {
    border-color: var(--primary);
    background: rgba(0, 122, 255, 0.05);
}

.file-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--background-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 12px;
}

.file-card-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-card-size {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.file-card-date {
    font-size: 11px;
    color: var(--text-tertiary);
}

.file-card-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    display: none;
    gap: 4px;
}

.file-card:hover .file-card-actions {
    display: flex;
}

.file-action-btn {
    width: 24px;
    height: 24px;
    border: none;
    background: var(--background);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.file-action-btn:hover {
    background: var(--primary);
    color: white;
}

/* Shared Section */
.shared-section {
    padding: 24px;
}

.shared-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.shared-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.shared-files {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.shared-file {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.shared-file:hover {
    border-color: var(--primary);
    background: var(--background-secondary);
}

.shared-file-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.shared-file-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--background-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--primary);
}

.shared-file-details {
    flex: 1;
}

.shared-file-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.shared-file-link {
    font-size: 12px;
    color: var(--primary);
    text-decoration: none;
}

.shared-file-actions {
    display: flex;
    gap: 8px;
}

/* File Preview Modal */
.file-preview-modal-content {
    max-width: 800px;
    height: 80vh;
    display: flex;
    flex-direction: column;
}

.file-preview-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    min-height: 300px;
    overflow: hidden;
}

.file-preview-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.file-preview-container video {
    max-width: 100%;
    max-height: 100%;
}

.file-preview-container audio {
    width: 100%;
}

.file-preview-container .document-preview {
    width: 100%;
    height: 100%;
    border: none;
}

.file-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    padding: 16px;
    background: var(--background-secondary);
    border-radius: var(--radius-md);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.info-value {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

/* Responsive File Sharing */
@media (max-width: 768px) {
    .file-sharing-modal-content {
        width: 95%;
        height: 90vh;
    }
    
    .file-sharing-nav {
        flex-wrap: wrap;
        gap: 4px;
    }
    
    .file-sharing-nav .nav-item {
        flex: 1;
        min-width: 120px;
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .files-header {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }
    
    .files-controls {
        flex-direction: column;
        gap: 8px;
    }
    
    .search-box input {
        width: 100%;
    }
    
    .files-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }
    
    .file-card {
        padding: 12px;
    }
    
    .file-card-icon {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .shared-file {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .shared-file-actions {
        align-self: flex-end;
    }
}