/* ========================================
   AdsHelper — Dark Theme Stylesheet
   ======================================== */

:root {
    /* Background layers */
    --bg-base: #0b0b10;
    --bg-surface: #12121a;
    --bg-card: #181825;
    --bg-card-hover: #1e1e30;
    --bg-elevated: #24243a;
    --bg-input: #14141f;

    /* Accent */
    --accent: #7c5cfc;
    --accent-hover: #9178ff;
    --accent-muted: rgba(124, 92, 252, 0.15);
    --accent-glow: rgba(124, 92, 252, 0.3);

    /* Semantic */
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.12);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.12);

    /* Text */
    --text-primary: #e8edf5;
    --text-secondary: #8b95a8;
    --text-muted: #5a6378;
    --text-inverse: #0b0b10;

    /* Borders */
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.12);
    --border-accent: rgba(124, 92, 252, 0.4);

    /* Sidebar */
    --sidebar-width: 260px;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px var(--accent-glow);

    /* Transition */
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 14px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-base);
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

::selection {
    background: var(--accent);
    color: #fff;
}

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

/* ========== SIDEBAR ========== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition);
}

.sidebar-header {
    padding: 24px 20px 16px;
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo i {
    color: var(--accent);
    font-size: 1.4rem;
}

.logo-sub {
    display: block;
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: 4px;
    letter-spacing: 0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition);
    cursor: pointer;
}

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

.nav-item.active {
    background: var(--accent-muted);
    color: var(--accent);
    box-shadow: inset 3px 0 0 var(--accent);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
}

.tenant-selector label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 600;
}

.tenant-selector select {
    width: 100%;
}

/* ========== MAIN CONTENT ========== */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 32px;
    min-height: 100vh;
}

/* ========== MOBILE HEADER ========== */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    align-items: center;
    gap: 12px;
    padding: 0 16px;
    z-index: 90;
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
}

/* ========== VIEWS ========== */
.view {
    display: none;
    animation: fadeIn 300ms ease;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.view-header {
    margin-bottom: 28px;
}

.view-header h1 {
    font-size: 1.6rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.view-header h1 i {
    color: var(--accent);
    font-size: 1.3rem;
}

.view-desc {
    color: var(--text-secondary);
    margin-top: 4px;
    font-size: 0.9rem;
}

/* ========== STATS GRID ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all var(--transition);
}

.stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.stat-icon.purple { background: var(--accent-muted); color: var(--accent); }
.stat-icon.blue { background: var(--info-bg); color: var(--info); }
.stat-icon.green { background: var(--success-bg); color: var(--success); }
.stat-icon.orange { background: var(--warning-bg); color: var(--warning); }

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

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ========== CARDS ========== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 12px;
}

.card-header h2 {
    font-size: 1.05rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-header h2 i {
    color: var(--accent);
    font-size: 0.95rem;
}

.card-body {
    padding: 24px;
}

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

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

.data-table th {
    padding: 12px 16px;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.88rem;
    vertical-align: middle;
}

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

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

.data-table .text-center { text-align: center; }
.data-table .text-right { text-align: right; }

.empty-state {
    padding: 48px 20px;
    text-align: center;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 2.5rem;
    margin-bottom: 12px;
    display: block;
    opacity: 0.4;
}

.empty-state p {
    font-size: 0.9rem;
}

/* ========== BADGES ========== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-info { background: var(--info-bg); color: var(--info); }
.badge-muted { background: rgba(255,255,255,0.05); color: var(--text-muted); }

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
    box-shadow: var(--shadow-glow);
}

.btn-success {
    background: var(--success);
    color: var(--text-inverse);
}
.btn-success:hover:not(:disabled) {
    background: #16a34a;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) {
    background: var(--bg-elevated);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.78rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-icon {
    width: 34px;
    height: 34px;
    padding: 0;
    justify-content: center;
    border-radius: var(--radius-sm);
}

/* ========== FORMS ========== */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.input, select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.88rem;
    outline: none;
    transition: all var(--transition);
}

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

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

select option {
    background: var(--bg-card);
    color: var(--text-primary);
}

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

input[type="checkbox"] {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* ========== MANUAL GRID ========== */
.manual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ========== FILTER BAR ========== */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
}

.filter-bar select {
    width: 280px;
}

.header-actions {
    display: flex;
    gap: 8px;
}

/* ========== TENANT LIST ========== */
.tenant-list {
    padding: 12px;
}

.tenant-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.tenant-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.tenant-url {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: 'Courier New', monospace;
}

.tenant-meta {
    display: flex;
    gap: 12px;
    margin-top: 4px;
}

.tenant-meta span {
    font-size: 0.72rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.tenant-actions {
    display: flex;
    gap: 8px;
}

/* ========== TOAST ========== */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: slideIn 300ms ease, fadeOut 300ms ease 3700ms forwards;
    min-width: 300px;
    max-width: 420px;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--info); }
.toast.warning { border-left: 3px solid var(--warning); }

.toast i {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.toast.success i { color: var(--success); }
.toast.error i { color: var(--danger); }
.toast.info i { color: var(--info); }
.toast.warning i { color: var(--warning); }

.toast-message {
    flex: 1;
    font-size: 0.85rem;
    line-height: 1.4;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; transform: translateX(30px); }
}

/* ========== LOADING OVERLAY ========== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(11, 11, 16, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 9999;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.loading-overlay.hidden {
    display: none;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .manual-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }

    .mobile-header {
        display: flex;
    }

    .main-content {
        margin-left: 0;
        padding: 72px 16px 24px;
    }

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

    .filter-bar {
        flex-direction: column;
        width: 100%;
    }

    .filter-bar select {
        width: 100%;
    }

    .card-header {
        padding: 14px 16px;
    }

    .data-table th,
    .data-table td {
        padding: 10px 12px;
    }

    .view-header h1 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== UTILITY ========== */
.hidden { display: none !important; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.font-mono { font-family: 'Courier New', monospace; font-size: 0.82rem; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mb-1 { margin-bottom: 8px; }

/* ========== TENANT ITEM (SETTINGS) ========== */
.tenant-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 12px;
    transition: border-color var(--transition);
}

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

.tenant-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.tenant-edit-form {
    padding: 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-sm);
    margin-top: 12px;
}

.form-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

/* ========== PIXEL SECTION ========== */
.pixel-section {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.pixel-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.pixel-section-header h4 {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.pixel-item {
    margin-bottom: 8px;
}

.pixel-display {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.pixel-display:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.pixel-item-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.pixel-item-name {
    font-weight: 600;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.pixel-item-name i {
    color: var(--accent);
    font-size: 0.7rem;
}

.pixel-item-id {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: 'Courier New', monospace;
}

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

.pixel-edit {
    padding: 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-sm);
    margin-top: 6px;
}

.pixel-add-form {
    padding: 14px;
    background: var(--bg-input);
    border: 1px dashed var(--border-accent);
    border-radius: var(--radius-sm);
    margin-top: 8px;
}

/* ========== BUTTON XS ========== */
.btn-xs {
    padding: 4px 8px;
    font-size: 0.72rem;
    border-radius: var(--radius-sm);
}
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }

/* ========== TOGGLE SWITCH ========== */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 50px;
    transition: all var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: all var(--transition);
}

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

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
    background: #fff;
}

/* ========== AUTO-SYNC LIST ========== */
.auto-sync-list {
    padding: 12px;
}

.auto-sync-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 10px;
    transition: all var(--transition);
    gap: 16px;
}

.auto-sync-item:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.auto-sync-item.enabled {
    border-color: var(--accent);
    border-left: 3px solid var(--accent);
}

.auto-sync-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.auto-sync-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.auto-sync-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.auto-sync-meta span {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.auto-sync-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* ========== COOLDOWN BUTTON ========== */
.btn.cooldown {
    pointer-events: none;
    opacity: 0.6;
    background: var(--bg-elevated);
    color: var(--text-muted);
}

/* ========== AFFILIATE CHECKBOX ========== */
.affiliate-check {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* ========== PULSE ANIMATION ========== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}