:root {
    /* Light Mode Variables */
    --primary-blue: #0b1e36;
    --secondary-blue: #153250;
    --accent-green: #10b981;
    --hover-green: #059669;
    --text-main: #334155;
    --text-muted: #64748b;
    --bg-main: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(255, 255, 255, 0.4);
    --border-color: #e2e8f0;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #10b981;
    --transition: all 0.3s ease;
    --glass-blur: blur(12px);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --input-bg: rgba(255, 255, 255, 0.9);
}

body.dark-mode {
    /* Dark Mode Variables */
    --primary-blue: #050f1a;
    --secondary-blue: #0b1e36;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --bg-main: #020617;
    --card-bg: rgba(15, 23, 42, 0.7);
    --card-border: rgba(255, 255, 255, 0.05);
    --border-color: #1e293b;
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --input-bg: rgba(15, 23, 42, 0.8);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }
body { background-color: var(--bg-main); color: var(--text-main); transition: var(--transition); }
.app-container { display: flex; height: 100vh; overflow: hidden; }

/* Sidebar Styles */
.sidebar { width: 260px; background-color: var(--primary-blue); color: #f8fafc; display: flex; flex-direction: column; transition: var(--transition); z-index: 100; }
.sidebar-header { padding: 24px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
.logo { display: flex; align-items: center; gap: 12px; font-size: 1.25rem; font-weight: 700; color: var(--accent-green); }
.logo i { font-size: 1.5rem; }
.close-sidebar-btn { display: none; background: none; border: none; color: #f8fafc; font-size: 1.25rem; cursor: pointer; }
.sidebar-nav { padding: 20px 0; flex: 1; overflow-y: auto; }
.nav-item { display: flex; align-items: center; gap: 16px; padding: 14px 24px; color: #94a3b8; text-decoration: none; transition: var(--transition); font-weight: 500; }
.nav-item i { width: 20px; text-align: center; font-size: 1.1rem; }
.nav-item:hover { background-color: var(--secondary-blue); color: #f8fafc; }
.nav-item.active { background-color: var(--secondary-blue); color: var(--accent-green); border-left: 4px solid var(--accent-green); }

/* Main Content */
.main-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; position: relative; }
.main-content::before, .main-content::after { content: ''; position: absolute; width: 300px; height: 300px; border-radius: 50%; z-index: -1; filter: blur(80px); opacity: 0.5; }
.main-content::before { top: -100px; right: -50px; background: var(--accent-green); }
.main-content::after { bottom: -100px; left: 10%; background: #3b82f6; }
body.dark-mode .main-content::before, body.dark-mode .main-content::after { opacity: 0.15; }

.top-header { background: var(--card-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); height: 70px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border-color); z-index: 10; }
.header-left { display: flex; align-items: center; gap: 16px; }
.header-right { display: flex; align-items: center; gap: 20px; }
.theme-btn { font-size: 1.25rem; }
.toggle-sidebar-btn { background: none; border: none; font-size: 1.25rem; color: var(--text-main); cursor: pointer; display: none; }
.page-title { font-size: 1.25rem; font-weight: 600; color: var(--text-main); }
.user-profile { display: flex; align-items: center; gap: 12px; font-weight: 500; }
.user-profile img { width: 40px; height: 40px; border-radius: 50%; border: 2px solid var(--accent-green); }
.content-wrapper { flex: 1; padding: 24px; overflow-y: auto; z-index: 1; }

/* Cards & Stats */
.glass-card { background: var(--card-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: 1px solid var(--card-border); border-radius: 16px; box-shadow: var(--glass-shadow); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; margin-bottom: 32px; }
.stat-card { padding: 24px; display: flex; align-items: center; gap: 20px; border-left: 4px solid var(--accent-green); transition: var(--transition); }
.stat-card:hover { transform: translateY(-4px); }
.stat-icon { width: 56px; height: 56px; border-radius: 16px; background-color: rgba(16, 185, 129, 0.15); color: var(--accent-green); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.stat-info h3 { font-size: 0.875rem; color: var(--text-muted); font-weight: 500; margin-bottom: 4px; }
.stat-info .value { font-size: 1.5rem; font-weight: 700; color: var(--text-main); }

/* Buttons & Badges */
.btn { padding: 10px 16px; border-radius: 8px; border: none; font-weight: 500; cursor: pointer; transition: var(--transition); display: inline-flex; align-items: center; gap: 8px; font-size: 0.875rem; backdrop-filter: blur(4px); }
.btn-primary { background-color: var(--accent-green); color: white; box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3); }
.btn-primary:hover { background-color: var(--hover-green); transform: translateY(-2px); }
.btn-secondary { background-color: var(--input-bg); color: var(--text-main); border: 1px solid var(--border-color); }
.btn-secondary:hover { background-color: var(--border-color); }
.icon-btn { width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--border-color); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--transition); background-color: var(--input-bg); color: var(--text-muted); }
.icon-btn:hover { color: var(--text-main); }
.icon-btn.edit:hover { background-color: var(--primary-blue); color: white; border-color: var(--primary-blue); }
.icon-btn.delete:hover { background-color: var(--danger); color: white; border-color: var(--danger); }
.badge { padding: 6px 12px; border-radius: 9999px; font-size: 0.75rem; font-weight: 600; display: inline-block;}
.badge-success { background-color: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-danger { background-color: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-warning { background-color: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-blue { background-color: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.badge-purple { background-color: rgba(139, 92, 246, 0.15); color: #8b5cf6; }
.badge-primary { background-color: rgba(99, 102, 241, 0.15); color: #6366f1; }
.badge-secondary { background-color: rgba(100, 116, 139, 0.12); color: var(--text-muted); }
.badge-gray { background-color: rgba(100, 116, 139, 0.12); color: var(--text-muted); }

/* Filter & Grid */
.filter-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; flex-wrap: wrap; gap: 16px; padding: 16px; }
.search-box { display: flex; align-items: center; background: var(--input-bg); border: 1px solid var(--border-color); border-radius: 8px; padding: 0 16px; flex: 1; max-width: 400px; transition: var(--transition); }
.search-box:focus-within { border-color: var(--accent-green); box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15); }
.search-box i { color: var(--text-muted); }
.search-box input { border: none; background: transparent; padding: 12px; width: 100%; color: var(--text-main); outline: none; }
.filter-actions { display: flex; gap: 12px; align-items: center; }
.data-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.grid-item { padding: 20px; border-radius: 12px; display: flex; flex-direction: column; gap: 16px; transition: var(--transition); }
.grid-item:hover { transform: translateY(-4px); box-shadow: var(--glass-shadow); }
.item-header { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 1px solid var(--border-color); padding-bottom: 12px; }
.item-id { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; letter-spacing: 1px; }
.item-title { font-size: 1.1rem; font-weight: 600; color: var(--text-main); margin-top: 4px; }
.item-body { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.info-row { display: flex; justify-content: space-between; font-size: 0.875rem; }
.info-label { color: var(--text-muted); display: flex; align-items: center; gap: 8px;}
.info-value { color: var(--text-main); font-weight: 500; text-align: right;}
.item-footer { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border-color); padding-top: 16px; margin-top: auto; }

/* Empty State */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px 20px; text-align: center; width: 100%; }
.empty-icon { font-size: 4rem; color: var(--border-color); margin-bottom: 20px; }
body.dark-mode .empty-icon { color: #1e293b; }
.empty-state h3 { font-size: 1.25rem; color: var(--text-main); margin-bottom: 8px; }
.empty-state p { color: var(--text-muted); font-size: 0.875rem; }

/* Forms & Selects */
.form-group { margin-bottom: 20px; position: relative; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 500; color: var(--text-main); font-size: 0.875rem; }
.form-control { width: 100%; padding: 12px 16px; border: 1px solid var(--border-color); border-radius: 8px; font-family: inherit; font-size: 0.875rem; transition: var(--transition); background-color: var(--input-bg); color: var(--text-main); }
.form-control:focus { outline: none; border-color: var(--accent-green); box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15); }
.custom-select-container { position: relative; width: 100%; }
.custom-select-display { display: flex; justify-content: space-between; align-items: center; cursor: pointer; }
.custom-select-dropdown { position: absolute; top: 100%; left: 0; right: 0; margin-top: 8px; background: var(--card-bg); backdrop-filter: var(--glass-blur); border: 1px solid var(--border-color); border-radius: 8px; box-shadow: var(--glass-shadow); z-index: 50; opacity: 0; visibility: hidden; transform: translateY(-10px); transition: var(--transition); }
.custom-select-container.active .custom-select-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.custom-select-search { padding: 12px; border-bottom: 1px solid var(--border-color); }
.custom-select-search input { width: 100%; padding: 8px 12px; border: 1px solid var(--border-color); border-radius: 6px; background: var(--input-bg); color: var(--text-main); outline: none; }
.custom-select-search input:focus { border-color: var(--accent-green); }
.custom-select-options { max-height: 200px; overflow-y: auto; }
.custom-option { padding: 12px 16px; cursor: pointer; color: var(--text-main); transition: background 0.2s; }
.custom-option:hover { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
.custom-option.selected { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); font-weight: 500; }

/* Modals */
.modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(0, 0, 0, 0.4); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; z-index: 1000; opacity: 0; visibility: hidden; transition: var(--transition); }
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal { width: 100%; max-width: 650px; max-height: 90vh; overflow-y: auto; transform: translateY(20px); transition: var(--transition); }
.modal-overlay.active .modal { transform: translateY(0); }
.modal-header { padding: 24px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; background: var(--card-bg); backdrop-filter: var(--glass-blur); z-index: 10; }
.modal-header h3 { font-size: 1.25rem; color: var(--text-main); }
.close-modal { background: none; border: none; font-size: 1.5rem; color: var(--text-muted); cursor: pointer; transition: var(--transition); }
.close-modal:hover { color: var(--danger); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; gap: 12px; position: sticky; bottom: 0; background: var(--card-bg); backdrop-filter: var(--glass-blur); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* Tables (Fallback) */
.table-container { overflow: hidden; }
.table-header { padding: 20px 24px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.table-header h3 { font-size: 1.1rem; font-weight: 600; color: var(--text-main); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 16px 24px; text-align: left; border-bottom: 1px solid var(--border-color); color: var(--text-main); }
th { color: var(--text-muted); font-weight: 600; font-size: 0.875rem; text-transform: uppercase; background: rgba(0,0,0,0.02); }
body.dark-mode th { background: rgba(255,255,255,0.02); }

/* ---- LOADERS & SKELETONS ---- */
.loader-container { display: flex; justify-content: center; align-items: center; height: 300px; width: 100%; }
.spinner { width: 40px; height: 40px; border: 4px solid var(--border-color); border-top: 4px solid var(--accent-green); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.skeleton { background: linear-gradient(90deg, rgba(148, 163, 184, 0.1) 25%, rgba(148, 163, 184, 0.2) 50%, rgba(148, 163, 184, 0.1) 75%); background-size: 200% 100%; animation: loading 1.5s infinite; border-radius: 8px; }
body.dark-mode .skeleton { background: linear-gradient(90deg, rgba(255, 255, 255, 0.05) 25%, rgba(255, 255, 255, 0.1) 50%, rgba(255, 255, 255, 0.05) 75%); }
@keyframes loading { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.skeleton-card { height: 180px; width: 100%; }
.skeleton-title { height: 30px; width: 40%; margin-bottom: 16px; }
.skeleton-text { height: 16px; margin-bottom: 12px; width: 80%; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(148, 163, 184, 0.5); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(148, 163, 184, 0.8); }

@media (max-width: 768px) {
    .sidebar { position: fixed; left: -260px; height: 100%; box-shadow: 5px 0 15px rgba(0,0,0,0.1); }
    .sidebar.open { left: 0; }
    .toggle-sidebar-btn, .close-sidebar-btn { display: block; }
    .grid-2 { grid-template-columns: 1fr; }
    .filter-bar { flex-direction: column; align-items: stretch; }
    .search-box { max-width: 100%; }
}

/* ---- Searchable Filter Pickers ---- */
.sf-picker { position: relative; font-size: 0.85rem; user-select: none; }
.sf-selected { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--input-bg); border: 1px solid var(--border-color); padding: 8px 12px; border-radius: 8px; cursor: pointer; transition: var(--transition); min-width: 160px; color: var(--text-main); }
.sf-selected:hover { border-color: var(--accent-green); }
.sf-arrow { font-size: 0.75rem; color: var(--text-muted); transition: transform 0.3s; }
.sf-picker.sf-open .sf-arrow { transform: rotate(180deg); }
.sf-picker.sf-open { z-index: 99999 !important; }
.custom-select-container.active { z-index: 99999 !important; }
.sf-picker.sf-open .sf-selected { border-color: var(--accent-green); box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15); }
.sf-dropdown { position: absolute; top: calc(100% + 6px); left: 0; right: 0; min-width: 200px; background: var(--card-bg); backdrop-filter: var(--glass-blur); border: 1px solid var(--border-color); border-radius: 8px; box-shadow: var(--glass-shadow); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: var(--transition); z-index: 99999; overflow: hidden; display: flex; flex-direction: column; }
.sf-picker.sf-open .sf-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.sf-search-wrap { padding: 8px; border-bottom: 1px solid var(--border-color); display: flex; align-items: center; gap: 8px; }
.sf-search-wrap i { color: var(--text-muted); font-size: 0.8rem; }
.sf-search { flex: 1; border: none; outline: none; background: transparent; color: var(--text-main); font-size: 0.85rem; }
.sf-options { max-height: 200px; overflow-y: auto; padding: 4px; display: flex; flex-direction: column; gap: 2px; }
.sf-option { padding: 8px 10px; border-radius: 6px; cursor: pointer; color: var(--text-main); transition: background 0.15s; }
.sf-option:hover { background: rgba(0,0,0,0.04); }
body.dark-mode .sf-option:hover { background: rgba(255,255,255,0.04); }
.sf-option-selected { background: rgba(16, 185, 129, 0.15) !important; color: var(--accent-green) !important; font-weight: 500; }

/* Broadcaster Responsive Grid */
.broadcaster-grid {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 24px;
}
@media (max-width: 992px) {
    .broadcaster-grid {
        grid-template-columns: 1fr;
    }
}