/* ============================================================
   Lockdown MP3 Admin Portal — Styles
   Premium dark theme with glassmorphism
   ============================================================ */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #1f1f36;
    --bg-input: #15152a;
    --border: #2a2a4a;
    --border-focus: #667eea;
    --text-primary: #f0f0f5;
    --text-secondary: #8888aa;
    --text-muted: #555577;
    --accent: #667eea;
    --accent-hover: #7c8ff5;
    --accent-glow: rgba(102, 126, 234, 0.3);
    --success: #43e97b;
    --danger: #f5576c;
    --warning: #ffd93d;
    --sidebar-width: 240px;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 200ms ease;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.hidden { display: none !important; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

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

.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(102, 126, 234, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(245, 87, 108, 0.06) 0%, transparent 50%),
        var(--bg-primary);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 3rem;
    width: 100%;
    max-width: 420px;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.logo-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.login-logo h1 {
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), #f5576c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* ── Forms ── */

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 0.7rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

textarea { resize: vertical; }

.code-editor {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    line-height: 1.5;
    tab-size: 2;
}

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

.hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.error-message {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: 1rem;
    text-align: center;
}

/* ── Buttons ── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #764ba2);
    color: white;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

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

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

.btn-danger {
    background: rgba(245, 87, 108, 0.15);
    color: var(--danger);
    border: 1px solid rgba(245, 87, 108, 0.3);
}

.btn-danger:hover {
    background: rgba(245, 87, 108, 0.25);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.btn-sm {
    padding: 0.35rem 0.7rem;
    font-size: 0.8rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
    padding: 0.8rem;
}

/* ============================================================
   App Layout
   ============================================================ */

.app {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ── */

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.logo-icon-sm {
    font-size: 1.5rem;
}

.sidebar-title {
    font-weight: 700;
    font-size: 1rem;
    background: linear-gradient(135deg, var(--accent), #f5576c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
}

.nav-item:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.04);
}

.nav-item.active {
    color: var(--accent);
    background: rgba(102, 126, 234, 0.1);
}

.nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 1rem 0.75rem;
    border-top: 1px solid var(--border);
}

.btn-logout {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.75rem;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    width: 100%;
    transition: all var(--transition);
}

.btn-logout:hover {
    color: var(--danger);
    background: rgba(245, 87, 108, 0.08);
}

/* ── Main Content ── */

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    max-width: 1200px;
}

.page-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.page-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.page-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    flex: 1;
}

/* ── Stats Grid ── */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.25rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
}

/* ── Cards ── */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.card-body {
    padding: 1.25rem;
}

/* ── Toggle Grid ── */

.toggle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 0.75rem;
}

.toggle-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0.75rem;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: border-color var(--transition);
}

.toggle-item:hover {
    border-color: var(--border);
}

.toggle-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    width: 42px;
    height: 24px;
    flex-shrink: 0;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--border);
    border-radius: 12px;
    transition: background var(--transition);
}

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

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

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(18px);
}

/* ── Action Bar ── */

.action-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    margin-top: 0.5rem;
}

.policy-version-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ── Apps Table ── */

.apps-table-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

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

.apps-table th {
    text-align: left;
    padding: 0.8rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.apps-table td {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    border-bottom: 1px solid rgba(42, 42, 74, 0.5);
    vertical-align: middle;
}

.apps-table tr:hover td {
    background: rgba(255,255,255,0.02);
}

.apps-table .app-name {
    font-weight: 600;
}

.apps-table .package-name {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-success {
    background: rgba(67, 233, 123, 0.15);
    color: var(--success);
}

.badge-muted {
    background: rgba(136, 136, 170, 0.15);
    color: var(--text-secondary);
}

.badge-danger {
    background: rgba(245, 87, 108, 0.15);
    color: var(--danger);
}

.actions-cell {
    display: flex;
    gap: 0.5rem;
}

/* ── Empty State ── */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-muted);
    gap: 1rem;
}

/* ── Control App ── */

.control-app-info {
    display: grid;
    gap: 0.75rem;
}

.info-row {
    display: flex;
    gap: 1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(42, 42, 74, 0.3);
}

.info-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    min-width: 120px;
}

.info-value {
    font-weight: 500;
}

.info-value.mono {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    word-break: break-all;
}

/* ── File Drop Zone ── */

.file-drop-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    color: var(--text-muted);
    gap: 0.5rem;
}

.file-drop-zone:hover, .file-drop-zone.drag-over {
    border-color: var(--accent);
    background: rgba(102, 126, 234, 0.05);
}

.file-drop-zone .link {
    color: var(--accent);
    text-decoration: underline;
}

.file-name {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
}

/* ── Modal ── */

.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 200ms ease;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 550px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    animation: slideUp 200ms ease;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.4rem;
    cursor: pointer;
    border-radius: 6px;
    transition: all var(--transition);
}

.modal-close:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.modal-body {
    padding: 1.25rem;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* ── Toast ── */

.toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    padding: 0.8rem 1.2rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
    animation: slideInRight 300ms ease;
    max-width: 400px;
}

.toast-success {
    background: rgba(67, 233, 123, 0.15);
    border: 1px solid rgba(67, 233, 123, 0.3);
    color: var(--success);
}

.toast-error {
    background: rgba(245, 87, 108, 0.15);
    border: 1px solid rgba(245, 87, 108, 0.3);
    color: var(--danger);
}

.toast-info {
    background: rgba(102, 126, 234, 0.15);
    border: 1px solid rgba(102, 126, 234, 0.3);
    color: var(--accent);
}

/* ── Animations ── */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(100px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ── Responsive ── */

@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }
    .sidebar-title, .nav-item span, .btn-logout span {
        display: none;
    }
    .sidebar-header {
        justify-content: center;
        padding: 1rem;
    }
    .nav-item {
        justify-content: center;
        padding: 0.65rem;
    }
    .main-content {
        margin-left: 60px;
        padding: 1rem;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}