/* ================================================
   Modern Dark Mode Admin Panel CSS
   ================================================ */

/* Root Variables */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;

    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;

    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    --border-color: #334155;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);

    --sidebar-width: 260px;
    --header-height: 70px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* ================================================
   Login Page
   ================================================ */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-box {
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.login-form {
    margin-top: 30px;
}

.forgot-password-link {
    display: inline-block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    padding: 5px 10px;
    border-radius: 5px;
}

.forgot-password-link:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.login-footer {
    margin-top: 30px;
    text-align: center;
}


/* ================================================
   Alerts
   ================================================ */

.alert {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

.alert svg {
    flex-shrink: 0;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger-color);
    color: #fca5a5;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success-color);
    color: #6ee7b7;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--info-color);
    color: #93c5fd;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning-color);
    color: #fcd34d;
}

/* ================================================
   Forms
   ================================================ */

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group input[type="file"] {
    padding: 10px;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

/* ================================================
   Buttons
   ================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #3730a3 100%);
}

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

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
}

/* ================================================
   Admin Layout
   ================================================ */

body:not(.login-page) {
    display: grid;
    grid-template-areas:
        "header header"
        "sidebar main";
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: var(--header-height) 1fr;
    min-height: 100vh;
}

[dir="rtl"] body:not(.login-page) {
    grid-template-areas:
        "header header"
        "main sidebar";
    grid-template-columns: 1fr var(--sidebar-width);
}

/* Header */
.admin-header {
    grid-area: header;
    background: var(--bg-deep);
    border-bottom: 1px solid var(--border-color);
    padding: 0 30px;
    height: var(--header-height);
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-left h2 {
    font-size: 1.3rem;
    font-weight: 600;
}

.sidebar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.sidebar-toggle span {
    width: 24px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-name {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Sidebar */
.sidebar {
    grid-area: sidebar;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    padding: 30px 0;
    overflow-y: auto;
    position: sticky;
    top: 0;
    height: 100vh;
}

[dir="rtl"] .sidebar {
    border-left: none;
    border-right: 1px solid var(--border-color);
}

.sidebar-header {
    padding: 0 25px 30px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.sidebar-header h1 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 0 15px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    border-radius: 10px;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

.nav-item.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    color: var(--primary-color);
    font-weight: 600;
}

.nav-icon {
    font-size: 1.3rem;
}

/* Main Content */
.main-content {
    grid-area: main;
    padding: 30px;
    overflow-y: auto;
    width: 100%;
    /* Ensure it fills the area */
}

.page-header {
    margin-bottom: 30px;
}

.page-header h1 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.page-header p {
    color: var(--text-secondary);
}

/* ================================================
   Cards
   ================================================ */

.card {
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
}

.card-body {
    color: var(--text-secondary);
}

/* Statistics Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.stat-content h3 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.stat-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ================================================
   Tables
   ================================================ */

.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead {
    background: var(--bg-tertiary);
}

.table th {
    padding: 15px;
    text-align: right;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

.table td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: var(--bg-tertiary);
}

.table-actions {
    display: flex;
    gap: 10px;
}

/* ================================================
   Badges
   ================================================ */

.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.badge-secondary {
    background: rgba(148, 163, 184, 0.2);
    color: var(--text-muted);
}

/* ================================================
   Quick Actions
   ================================================ */

.quick-actions {
    margin-top: 30px;
}

.quick-actions h2 {
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.action-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.action-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.action-icon {
    font-size: 2.5rem;
}

/* ================================================
   Utilities
   ================================================ */

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

.text-muted {
    color: var(--text-muted);
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

/* ================================================
   Charts & Analytics
   ================================================ */

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.charts-grid canvas {
    max-height: 300px;
}

.stat-trend {
    display: block;
    margin-top: 5px;
    font-size: 0.85rem;
    opacity: 0.8;
}

.badge-info {
    background: rgba(59, 130, 246, 0.2);
    color: var(--info-color);
}

/* ================================================
   Responsive Design
   ================================================ */

@media (max-width: 768px) {
    body:not(.login-page) {
        grid-template-areas:
            "header"
            "main";
        grid-template-columns: 1fr;
        grid-template-rows: var(--header-height) 1fr;
    }

    .sidebar {
        position: fixed;
        right: -100%;
        top: 0;
        height: 100vh;
        width: 280px;
        z-index: 1000;
        transition: var(--transition);
    }

    .sidebar.active {
        right: 0;
    }

    .sidebar-toggle {
        display: flex;
    }

    .main-content {
        padding: 20px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .login-box {
        padding: 30px 25px;
    }
}

/* ================================================
   Theme Management UI (Premium)
   ================================================ */

.themes-page-header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 40px;
    border-radius: 20px;
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-lg);
}

.themes-page-info h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.themes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.theme-card {
    background: var(--bg-secondary);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.theme-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

.theme-card.active {
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.theme-screenshot {
    position: relative;
    aspect-ratio: 16/10;
    background: #000;
    overflow: hidden;
}

.theme-screenshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.theme-card:hover .theme-screenshot img {
    filter: brightness(0.4);
    transform: scale(1.05);
}

.theme-overlay-actions {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    opacity: 0;
    transition: var(--transition);
    width: 80%;
    z-index: 10;
    align-items: center;
    /* Center buttons horizontally */
}

.theme-overlay-actions .btn {
    width: 100%;
    max-width: 200px;
    margin: 0 auto;
}

.theme-card:hover .theme-overlay-actions {
    opacity: 1;
}

.active-ribbon {
    position: absolute;
    top: 20px;
    left: -35px;
    background: var(--success-color);
    color: white;
    padding: 8px 40px;
    transform: rotate(-45deg);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    z-index: 5;
}

.theme-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.theme-header {
    margin-bottom: 20px;
}

.theme-header h3 {
    font-size: 1.4rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.theme-version {
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 4px;
}

.theme-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    /* Standard property */
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 3rem;
}

.theme-meta-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.theme-author {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Centralized Action Ribbon (for the whole grid if no theme selected, or inside card) */
.action-ribbon {
    display: flex;
    justify-content: center;
    gap: 15px;
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

/* Upload Page Enhancements */
.upload-container {
    max-width: 800px;
    margin: 0 auto;
}

.drop-zone {
    border: 3px dashed var(--border-color);
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    background: var(--bg-primary);
    transition: var(--transition);
    cursor: pointer;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.drop-zone-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.drop-zone-text h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.drop-zone-text p {
    color: var(--text-muted);
}