/* ============================================================
   Admin Panel CSS — with Dark/Light Mode
   ============================================================ */

/* ─── CSS Variables ──────────────────────────────────────── */
:root {
    --primary:      #4f46e5;
    --primary-dark: #3730a3;
    --success:      #10b981;
    --warning:      #f59e0b;
    --danger:       #ef4444;
    --sidebar-w:    260px;
    --topbar-h:     60px;
    --radius:       10px;
    --transition:   0.25s ease;
}

/* ─── Light Mode (default) ───────────────────────────────── */
[data-theme="light"], :root {
    --sidebar-bg:       #0f172a;
    --sidebar-text:     rgba(255,255,255,0.65);
    --sidebar-hover:    rgba(255,255,255,0.07);
    --sidebar-active:   rgba(79,70,229,0.25);
    --sidebar-brand:    #ffffff;
    --sidebar-section:  rgba(255,255,255,0.28);
    --bg:               #f1f5f9;
    --bg-card:          #ffffff;
    --bg-input:         #ffffff;
    --text:             #334155;
    --text-muted:       #64748b;
    --text-heading:     #0f172a;
    --border:           #e2e8f0;
    --topbar-bg:        #ffffff;
    --topbar-border:    #e2e8f0;
    --shadow:           0 2px 12px rgba(0,0,0,0.06);
    --shadow-lg:        0 8px 32px rgba(0,0,0,0.1);
    --table-head-bg:    #f8fafc;
    --table-hover:      #f8fafc;
    --badge-primary-bg: rgba(79,70,229,0.1);
    --badge-primary-c:  #4f46e5;
    --badge-success-bg: rgba(16,185,129,0.1);
    --badge-success-c:  #065f46;
    --badge-danger-bg:  rgba(239,68,68,0.1);
    --badge-danger-c:   #991b1b;
    --alert-success-bg: rgba(16,185,129,0.1);
    --alert-success-c:  #065f46;
    --alert-danger-bg:  rgba(239,68,68,0.1);
    --alert-danger-c:   #991b1b;
}

/* ─── Dark Mode ──────────────────────────────────────────── */
[data-theme="dark"] {
    --sidebar-bg:       #020617;
    --sidebar-text:     rgba(255,255,255,0.55);
    --sidebar-hover:    rgba(255,255,255,0.06);
    --sidebar-active:   rgba(79,70,229,0.3);
    --sidebar-brand:    #f1f5f9;
    --sidebar-section:  rgba(255,255,255,0.22);
    --bg:               #0f172a;
    --bg-card:          #1e293b;
    --bg-input:         #1e293b;
    --text:             #cbd5e1;
    --text-muted:       #94a3b8;
    --text-heading:     #f1f5f9;
    --border:           #334155;
    --topbar-bg:        #1e293b;
    --topbar-border:    #334155;
    --shadow:           0 2px 12px rgba(0,0,0,0.25);
    --shadow-lg:        0 8px 32px rgba(0,0,0,0.35);
    --table-head-bg:    #162032;
    --table-hover:      #243044;
    --badge-primary-bg: rgba(79,70,229,0.2);
    --badge-primary-c:  #818cf8;
    --badge-success-bg: rgba(16,185,129,0.15);
    --badge-success-c:  #6ee7b7;
    --badge-danger-bg:  rgba(239,68,68,0.15);
    --badge-danger-c:   #fca5a5;
    --alert-success-bg: rgba(16,185,129,0.15);
    --alert-success-c:  #6ee7b7;
    --alert-danger-bg:  rgba(239,68,68,0.15);
    --alert-danger-c:   #fca5a5;
}

/* ─── Base ───────────────────────────────────────────────── */
* { box-sizing: border-box; }

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 0;
    transition: background var(--transition), color var(--transition);
}

/* ─── Sidebar ────────────────────────────────────────────── */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--sidebar-bg);
    overflow-y: auto;
    z-index: 1000;
    transition: transform 0.3s ease, background var(--transition);
    display: flex;
    flex-direction: column;
}
.sidebar-brand {
    padding: 1.25rem 1.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--sidebar-brand);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}
.sidebar-brand i { color: var(--primary); }
.sidebar-nav { padding: 1rem 0; flex: 1; }
.nav-section {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--sidebar-section);
    padding: 1rem 1.5rem 0.4rem;
}
.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1.5rem;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    position: relative;
}
.sidebar-nav .nav-link i { width: 18px; text-align: center; font-size: 0.95rem; }
.sidebar-nav .nav-link:hover {
    color: #fff;
    background: var(--sidebar-hover);
}
.sidebar-nav .nav-link.active {
    color: #fff;
    background: var(--sidebar-active);
}
.sidebar-nav .nav-link.active::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--primary);
    border-radius: 0 2px 2px 0;
}

/* ─── Main Content ───────────────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left 0.3s ease;
}

/* ─── Top Navbar ─────────────────────────────────────────── */
.top-navbar {
    height: var(--topbar-h);
    background: var(--topbar-bg);
    border-bottom: 1px solid var(--topbar-border);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
    transition: background var(--transition), border-color var(--transition);
}
.top-navbar .text-muted { color: var(--text-muted) !important; }

/* ─── Theme Toggle (Admin) ───────────────────────────────── */
.theme-toggle-admin {
    width: 36px; height: 36px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.theme-toggle-admin:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ─── Page Content ───────────────────────────────────────── */
.page-content { padding: 1.75rem; flex: 1; }
.page-header  { margin-bottom: 1.5rem; }
.page-header h4 { color: var(--text-heading); }
.page-header p  { color: var(--text-muted); }

/* ─── Cards ──────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border) !important;
    border-radius: var(--radius);
    transition: background var(--transition), border-color var(--transition);
}
.card-header {
    background: var(--bg-card) !important;
    border-bottom: 1px solid var(--border) !important;
    border-radius: var(--radius) var(--radius) 0 0 !important;
}
.card-header h6 { color: var(--text-heading); }
.card-footer {
    background: var(--bg-card) !important;
    border-top: 1px solid var(--border) !important;
}

/* ─── Stat Widgets ───────────────────────────────────────── */
.stat-widget {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
    transition: transform 0.2s, background var(--transition);
}
.stat-widget:hover { transform: translateY(-2px); }
.stat-widget-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; flex-shrink: 0;
}
.stat-widget-value { font-size: 1.6rem; font-weight: 700; color: var(--text-heading); line-height: 1; }
.stat-widget-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; margin-top: 0.2rem; }

/* ─── Soft Color Badges ──────────────────────────────────── */
.bg-primary-soft { background-color: var(--badge-primary-bg) !important; }
.bg-success-soft { background-color: var(--badge-success-bg) !important; }
.bg-warning-soft { background-color: rgba(245,158,11,0.12) !important; }
.bg-danger-soft  { background-color: var(--badge-danger-bg) !important; }

.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-warning { color: var(--warning) !important; }
.text-danger  { color: var(--danger) !important; }
.text-muted   { color: var(--text-muted) !important; }

/* ─── Badge overrides ────────────────────────────────────── */
.badge.bg-success-soft { color: var(--badge-success-c) !important; }
.badge.bg-danger-soft  { color: var(--badge-danger-c) !important; }
.badge.bg-primary-soft { color: var(--badge-primary-c) !important; }

/* ─── Tables ─────────────────────────────────────────────── */
.table {
    color: var(--text);
    border-color: var(--border);
}
.table th {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    background: var(--table-head-bg);
}
.table td {
    font-size: 0.9rem;
    border-color: var(--border);
    color: var(--text);
}
.table-light { background: var(--table-head-bg) !important; }
.table-hover tbody tr:hover td { background: var(--table-hover); }
.table-responsive { border-radius: 0 0 var(--radius) var(--radius); }

/* ─── Forms ──────────────────────────────────────────────── */
.form-control, .form-select {
    background: var(--bg-input);
    border-color: var(--border);
    color: var(--text);
    border-radius: 8px;
    font-size: 0.9rem;
    padding: 0.55rem 0.85rem;
    transition: border-color 0.2s, box-shadow 0.2s, background var(--transition);
}
.form-control:focus, .form-select:focus {
    background: var(--bg-input);
    border-color: var(--primary);
    color: var(--text);
    box-shadow: 0 0 0 3px rgba(79,70,229,0.15);
}
.form-control::placeholder { color: var(--text-muted); }
.form-control:disabled, .form-control[readonly] {
    background: var(--bg);
    color: var(--text-muted);
}
.form-label { font-size: 0.875rem; margin-bottom: 0.4rem; color: var(--text); }
.form-text  { color: var(--text-muted); }
.form-check-label { color: var(--text); }
.input-group-text {
    background: var(--bg);
    border-color: var(--border);
    color: var(--text-muted);
}

/* ─── Buttons ────────────────────────────────────────────── */
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-outline-secondary {
    color: var(--text);
    border-color: var(--border);
}
.btn-outline-secondary:hover {
    background: var(--bg);
    color: var(--text);
    border-color: var(--border);
}
.btn-xs { padding: 0.2rem 0.45rem; font-size: 0.75rem; border-radius: 6px; }

/* ─── Dropdown ───────────────────────────────────────────── */
.dropdown-menu {
    background: var(--bg-card);
    border-color: var(--border);
    box-shadow: var(--shadow-lg);
}
.dropdown-item { color: var(--text); }
.dropdown-item:hover { background: var(--bg); color: var(--text-heading); }
.dropdown-item-text { color: var(--text-muted); }
.dropdown-divider { border-color: var(--border); }

/* ─── List Group ─────────────────────────────────────────── */
.list-group-item {
    background: var(--bg-card);
    border-color: var(--border);
    color: var(--text);
}
.list-group-item-action:hover { background: var(--table-hover); color: var(--text-heading); }
.list-group-item.bg-light { background: var(--table-head-bg) !important; }

/* ─── Alerts ─────────────────────────────────────────────── */
.alert { border-radius: var(--radius); }
.alert-success {
    background: var(--alert-success-bg);
    color: var(--alert-success-c);
    border: 1px solid rgba(16,185,129,0.25);
}
.alert-danger {
    background: var(--alert-danger-bg);
    color: var(--alert-danger-c);
    border: 1px solid rgba(239,68,68,0.25);
}
.btn-close { filter: var(--btn-close-filter, none); }
[data-theme="dark"] .btn-close { filter: invert(1); }

/* ─── Badges ─────────────────────────────────────────────── */
.badge { font-weight: 500; font-size: 0.75rem; }

/* ─── Avatar ─────────────────────────────────────────────── */
.avatar-sm {
    width: 34px; height: 34px;
    font-size: 0.85rem; flex-shrink: 0;
}

/* ─── Breadcrumb ─────────────────────────────────────────── */
.breadcrumb { background: transparent; padding: 0; margin-bottom: 0.5rem; }
.breadcrumb-item a { color: var(--primary); text-decoration: none; }
.breadcrumb-item.active { color: var(--text-muted); }
.breadcrumb-item + .breadcrumb-item::before { color: var(--text-muted); }

/* ─── Media Grid ─────────────────────────────────────────── */
.media-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-card);
    transition: box-shadow 0.2s;
}
.media-item:hover { box-shadow: var(--shadow); }
.media-thumb { width: 100%; height: 100px; object-fit: cover; display: block; }
.media-thumb-file {
    height: 100px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg);
}
.media-info { padding: 0.5rem 0.75rem; border-top: 1px solid var(--border); }
.media-name { font-size: 0.75rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text); }
.media-size { font-size: 0.7rem; color: var(--text-muted); }
.media-actions {
    padding: 0.4rem 0.5rem;
    border-top: 1px solid var(--border);
    display: flex; gap: 0.25rem; justify-content: center;
    background: var(--bg-card);
}

/* ─── Pagination ─────────────────────────────────────────── */
.page-link {
    color: var(--primary);
    background: var(--bg-card);
    border-color: var(--border);
    font-size: 0.85rem;
}
.page-link:hover { background: var(--bg); color: var(--primary); border-color: var(--border); }
.page-item.active .page-link { background: var(--primary); border-color: var(--primary); color: #fff; }
.page-item.disabled .page-link { background: var(--bg-card); color: var(--text-muted); border-color: var(--border); }

/* ─── Sidebar Toggle (Mobile) ────────────────────────────── */
@media (max-width: 991px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.show { transform: translateX(0); }
    .main-content { margin-left: 0; }
}

/* ─── Sidebar Collapsed (Desktop) ───────────────────────── */
@media (min-width: 992px) {
    .sidebar.collapsed {
        transform: translateX(-100%);
    }
    .main-content {
        transition: margin-left 0.3s ease;
    }
    .main-content.sidebar-hidden {
        margin-left: 0;
    }
}

/* ─── Scrollbar ──────────────────────────────────────────── */
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

/* ─── Sub-menu (Trash links) ─────────────────────────────── */
.sidebar-nav .nav-link.nav-sub {
    padding-left: 2.75rem;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.45);
}
.sidebar-nav .nav-link.nav-sub i {
    font-size: 0.75rem;
    color: rgba(239,68,68,0.6);
}
.sidebar-nav .nav-link.nav-sub:hover {
    color: rgba(255,255,255,0.75);
    background: rgba(239,68,68,0.08);
}
.sidebar-nav .nav-link.nav-sub.active {
    color: #fca5a5;
    background: rgba(239,68,68,0.15);
}
.sidebar-nav .nav-link.nav-sub.active::before {
    background: #ef4444;
}