/* =========================================
   CSS Variables
   ========================================= */
:root {
    --sidebar-width: 260px;
    --topbar-height: 60px;

    --color-primary: #4f46e5;
    --color-primary-dark: #4338ca;
    --color-primary-light: #eef2ff;

    --color-bg: #f8f9fa;
    --color-surface: #ffffff;
    --color-border: #e5e7eb;

    --color-text: #111827;
    --color-text-muted: #6b7280;
    --color-text-light: #9ca3af;

    --color-sidebar-bg: #1e1e2e;
    --color-sidebar-text: #cdd6f4;
    --color-sidebar-muted: #6c7086;
    --color-sidebar-hover: #313244;
    --color-sidebar-active: #4f46e5;

    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;

    --radius: 8px;
    --radius-sm: 4px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
}

/* =========================================
   Reset & Base
   ========================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.5;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* =========================================
   Login Page
   ========================================= */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e1e2e 0%, #313244 100%);
}

.login-wrapper { width: 100%; max-width: 400px; padding: 20px; }

.login-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo h1 { font-size: 24px; color: var(--color-primary); font-weight: 700; }
.login-logo p { color: var(--color-text-muted); font-size: 13px; margin-top: 4px; }

/* =========================================
   Admin Layout
   ========================================= */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-sidebar-bg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-brand-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    flex-shrink: 0;
}

.sidebar-brand-name {
    color: var(--color-sidebar-text);
    font-weight: 600;
    font-size: 15px;
}

.sidebar-nav { padding: 16px 0; flex: 1; }

.sidebar-section-label {
    padding: 8px 24px 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-sidebar-muted);
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 24px;
    color: var(--color-sidebar-text);
    font-size: 14px;
    transition: background 0.15s, color 0.15s;
    text-decoration: none;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    background: var(--color-sidebar-hover);
    color: #fff;
}

.sidebar-nav a.active {
    background: rgba(79, 70, 229, 0.15);
    color: #fff;
    border-left-color: var(--color-primary);
}

.sidebar-nav .nav-icon {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    opacity: 0.6;
    transition: opacity 0.15s;
}
.sidebar-nav .nav-icon svg { display: block; }
.sidebar-nav a:hover .nav-icon,
.sidebar-nav a.active .nav-icon { opacity: 1; }

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.sidebar-user {
    display: flex; align-items: center; gap: 10px;
}

.sidebar-user-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 13px;
    flex-shrink: 0;
}

.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name {
    color: var(--color-sidebar-text);
    font-size: 13px; font-weight: 500;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-user-role {
    color: var(--color-sidebar-muted);
    font-size: 11px; text-transform: capitalize;
}

/* Main content */
.admin-main {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Topbar */
.topbar {
    height: var(--topbar-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow);
}

.topbar-title { font-size: 16px; font-weight: 600; color: var(--color-text); }

.topbar-right { display: flex; align-items: center; gap: 16px; }

.topbar-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    cursor: pointer;
    border: none;
    background: none;
    color: var(--color-text-muted);
    transition: background 0.15s;
}
.topbar-btn:hover { background: var(--color-bg); }

/* Page content */
.admin-content { padding: 28px; flex: 1; }

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

.page-title { font-size: 20px; font-weight: 700; }
.page-subtitle { color: var(--color-text-muted); font-size: 13px; margin-top: 2px; }

/* =========================================
   Stats Cards
   ========================================= */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
}

.stat-icon {
    width: 44px; height: 44px;
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.stat-icon svg { display: block; }

.stat-icon.purple  { background: #eef2ff; color: #4f46e5; }
.stat-icon.green   { background: #ecfdf5; color: #059669; }
.stat-icon.blue    { background: #eff6ff; color: #2563eb; }
.stat-icon.orange  { background: #fff7ed; color: #d97706; }

.stat-value { font-size: 28px; font-weight: 700; line-height: 1; }
.stat-label { color: var(--color-text-muted); font-size: 12px; margin-top: 4px; }

/* =========================================
   Cards / Panels
   ========================================= */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title { font-size: 14px; font-weight: 600; }
.card-body { padding: 20px; }

/* =========================================
   Tables
   ========================================= */
.table-wrapper { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
    padding: 10px 16px;
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}
tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
    vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #fafafa; }

/* =========================================
   Badges
   ========================================= */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 9999px;
    font-size: 11px;
    font-weight: 500;
}

.badge-success { background: #ecfdf5; color: #059669; }
.badge-warning { background: #fffbeb; color: #d97706; }
.badge-danger  { background: #fef2f2; color: #dc2626; }
.badge-info    { background: #eff6ff; color: #2563eb; }
.badge-gray    { background: #f3f4f6; color: #6b7280; }

/* =========================================
   Buttons
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    text-decoration: none;
    line-height: 1;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: white; text-decoration: none; }

.btn-secondary {
    background: white;
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn-secondary:hover { background: var(--color-bg); text-decoration: none; }

.btn-danger {
    background: var(--color-danger);
    color: white;
    border-color: var(--color-danger);
}
.btn-danger:hover { background: #dc2626; text-decoration: none; color: white; }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }

/* =========================================
   Forms — Global Input Reset
   ========================================= */

/* Applied to ALL text-type inputs, selects, and textareas in admin */
.admin-layout input[type="text"],
.admin-layout input[type="email"],
.admin-layout input[type="password"],
.admin-layout input[type="number"],
.admin-layout input[type="url"],
.admin-layout input[type="search"],
.admin-layout input[type="tel"],
.admin-layout input[type="date"],
.admin-layout select,
.admin-layout textarea {
    appearance: none;
    -webkit-appearance: none;
    display: block;
    width: 100%;
    padding: 9px 12px;
    font-size: 13px;
    font-family: inherit;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
    box-sizing: border-box;
}

.admin-layout input[type="text"]:hover,
.admin-layout input[type="email"]:hover,
.admin-layout input[type="password"]:hover,
.admin-layout input[type="number"]:hover,
.admin-layout input[type="url"]:hover,
.admin-layout input[type="search"]:hover,
.admin-layout input[type="tel"]:hover,
.admin-layout input[type="date"]:hover,
.admin-layout select:hover,
.admin-layout textarea:hover {
    border-color: #c4c9d4;
}

.admin-layout input[type="text"]:focus,
.admin-layout input[type="email"]:focus,
.admin-layout input[type="password"]:focus,
.admin-layout input[type="number"]:focus,
.admin-layout input[type="url"]:focus,
.admin-layout input[type="search"]:focus,
.admin-layout input[type="tel"]:focus,
.admin-layout input[type="date"]:focus,
.admin-layout select:focus,
.admin-layout textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

.admin-layout input::placeholder,
.admin-layout textarea::placeholder {
    color: #b0b7c3;
    opacity: 1;
}

.admin-layout select {
    cursor: pointer;
    padding-right: 32px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.admin-layout textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.6;
}

/* Opt-out: inputs that should stay unstyled */
.admin-layout input[type="checkbox"],
.admin-layout input[type="radio"],
.admin-layout input[type="color"],
.admin-layout input[type="file"],
.admin-layout input[type="hidden"],
.admin-layout input[type="range"],
.admin-layout input[type="submit"],
.admin-layout input[type="button"],
.admin-layout input[type="reset"] {
    appearance: auto;
    -webkit-appearance: auto;
    width: auto;
    border: none;
    border-radius: 0;
    padding: 0;
    background: none;
    box-shadow: none;
}

/* Login page — same input treatment outside .admin-layout */
.login-card input[type="text"],
.login-card input[type="email"],
.login-card input[type="password"] {
    appearance: none;
    -webkit-appearance: none;
    display: block;
    width: 100%;
    padding: 9px 12px;
    font-size: 13px;
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    outline: none;
    transition: border-color .15s, box-shadow .15s;
    box-sizing: border-box;
}
.login-card input[type="text"]:focus,
.login-card input[type="email"]:focus,
.login-card input[type="password"]:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}
.login-card input::placeholder { color: #b0b7c3; }

/* =========================================
   Forms — Component Helpers
   ========================================= */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

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

.form-check { display: flex; align-items: center; gap: 8px; }
.form-check input[type="checkbox"] { width: auto; margin: 0; }
.form-check label { margin: 0; font-weight: 400; }

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

.form-hint { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }

/* =========================================
   Alerts
   ========================================= */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 13px;
}
.alert-error   { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }
.alert-success { background: #ecfdf5; color: #059669; border: 1px solid #a7f3d0; }
.alert-warning { background: #fffbeb; color: #d97706; border: 1px solid #fde68a; }

/* =========================================
   Activity List
   ========================================= */
.activity-list { list-style: none; }
.activity-item {
    display: flex; align-items: flex-start; gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}
.activity-item:last-child { border-bottom: none; }

.activity-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    margin-top: 5px;
    flex-shrink: 0;
}

.activity-text { font-size: 13px; color: var(--color-text); }
.activity-time { font-size: 11px; color: var(--color-text-muted); margin-top: 2px; }

/* =========================================
   Dashboard 2-col grid
   ========================================= */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 20px;
}

@media (max-width: 1100px) {
    .dashboard-grid { grid-template-columns: 1fr; }
}

/* =========================================
   Pagination
   ========================================= */
.pagination { display: flex; gap: 4px; align-items: center; margin-top: 16px; }
.pagination a, .pagination span {
    padding: 6px 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--color-text);
    text-decoration: none;
}
.pagination .active { background: var(--color-primary); color: white; border-color: var(--color-primary); }

/* =========================================
   Utilities
   ========================================= */
.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: 12px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 8px; }
.justify-between { justify-content: space-between; }

/* =========================================
   Media Library
   ========================================= */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.media-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: box-shadow 0.15s, border-color 0.15s;
}

.media-card:hover {
    box-shadow: var(--shadow-md);
    border-color: #d1d5db;
}

.media-thumb {
    width: 100%;
    height: 140px;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-bottom: 1px solid var(--color-border);
}

.media-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.media-icon {
    font-size: 48px;
    opacity: 0.4;
}

.media-info {
    padding: 10px 12px;
}

.media-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.media-meta {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.media-actions {
    display: flex;
    gap: 6px;
}

/* =========================================
   Dropzone
   ========================================= */
.dropzone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    background: var(--color-bg);
}

.dropzone:hover,
.dropzone.dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.dropzone-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}
.dropzone-icon svg { display: block; }

.dropzone-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.dropzone-hint {
    font-size: 12px;
    color: var(--color-text-muted);
}