/* ============================================================================
   CTG Analytics — Stylesheet
   Dark and light mode via data-theme attribute on <html>
   Default: dark
   ============================================================================ */

/* ---- Light theme ---- */
:root {
    --color-bg: #f0f2f5;
    --color-surface: #ffffff;
    --color-surface-alt: #f8f9fa;
    --color-text: #1a1a2e;
    --color-text-muted: #6b7280;
    --color-text-inverse: #ffffff;
    --color-border: #e0e3e8;
    --color-primary: #4f6ef7;
    --color-primary-hover: #3b5ce4;
    --color-primary-subtle: #eef1fe;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #06b6d4;
    --color-input-bg: #ffffff;
    --color-input-border: #d1d5db;
    --color-row-hover: #f5f7ff;
    --color-sidebar-bg: #1a1a2e;
    --color-sidebar-text: #c8ccd4;
    --color-sidebar-active: #4f6ef7;
    --color-header-bg: #ffffff;
    --color-shadow: rgba(0, 0, 0, 0.06);
    --color-kpi-bg: #ffffff;
    --color-chart-grid: #e5e7eb;
    --color-chart-text: #6b7280;
    --color-scrollbar: #c1c5cc;
    --color-badge-bg: #eef1fe;
    --color-badge-text: #4f6ef7;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px var(--color-shadow);
    --shadow-md: 0 4px 12px var(--color-shadow);
    --transition: 0.2s ease;

    /* Chart palette — works on both light and dark */
    --chart-1: #4f6ef7;
    --chart-2: #10b981;
    --chart-3: #f59e0b;
    --chart-4: #ef4444;
    --chart-5: #8b5cf6;
    --chart-6: #06b6d4;
    --chart-7: #ec4899;
    --chart-8: #f97316;
    --chart-9: #14b8a6;
    --chart-10: #6366f1;
}

/* ---- Dark theme ---- */
[data-theme="dark"] {
    --color-bg: #0d1117;
    --color-surface: #161b22;
    --color-surface-alt: #1c2129;
    --color-text: #e6edf3;
    --color-text-muted: #8b949e;
    --color-text-inverse: #0d1117;
    --color-border: #30363d;
    --color-primary: #6e8efb;
    --color-primary-hover: #8ba3fc;
    --color-primary-subtle: #1c2541;
    --color-success: #3fb950;
    --color-warning: #d29922;
    --color-danger: #f85149;
    --color-info: #39c5cf;
    --color-input-bg: #0d1117;
    --color-input-border: #30363d;
    --color-row-hover: #1c2541;
    --color-sidebar-bg: #0d1117;
    --color-sidebar-text: #8b949e;
    --color-sidebar-active: #6e8efb;
    --color-header-bg: #161b22;
    --color-shadow: rgba(0, 0, 0, 0.3);
    --color-kpi-bg: #161b22;
    --color-chart-grid: #30363d;
    --color-chart-text: #8b949e;
    --color-scrollbar: #30363d;
    --color-badge-bg: #1c2541;
    --color-badge-text: #6e8efb;

    --chart-1: #6e8efb;
    --chart-2: #3fb950;
    --chart-3: #d29922;
    --chart-4: #f85149;
    --chart-5: #a371f7;
    --chart-6: #39c5cf;
    --chart-7: #db61a2;
    --chart-8: #f0883e;
    --chart-9: #2ea043;
    --chart-10: #8b8ff7;
}

/* ============================================================================
   Reset & Base
   ============================================================================ */

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

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

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

/* ============================================================================
   Layout — Sidebar + Main
   ============================================================================ */

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

.sidebar {
    width: 240px;
    background: var(--color-sidebar-bg);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: background var(--transition);
}

.sidebar-logo {
    padding: 20px 16px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo span { color: var(--color-primary); }

.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }

.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    color: var(--color-sidebar-text);
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    color: #fff;
    background: rgba(255,255,255,0.04);
}

.sidebar-nav a.active {
    color: #fff;
    background: rgba(255,255,255,0.06);
    border-left-color: var(--color-sidebar-active);
}

.sidebar-nav .nav-section {
    padding: 16px 20px 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.3);
}

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.main-content {
    flex: 1;
    margin-left: 240px;
    min-width: 0;
}

/* ============================================================================
   Header
   ============================================================================ */

.page-header {
    background: var(--color-header-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-header h1 {
    font-size: 18px;
    font-weight: 600;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ============================================================================
   Content Area
   ============================================================================ */

.page-body { padding: 24px; }

/* ============================================================================
   Board Tabs (Audience, Consumption, etc.)
   ============================================================================ */

.board-tabs {
    display: flex;
    gap: 2px;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 3px;
    margin-bottom: 20px;
    border: 1px solid var(--color-border);
    overflow-x: auto;
}

.board-tab {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: 6px;
    transition: all var(--transition);
    white-space: nowrap;
    border: none;
    background: none;
}

.board-tab:hover { color: var(--color-text); background: var(--color-surface-alt); }
.board-tab.active { color: var(--color-text-inverse); background: var(--color-primary); }

/* ============================================================================
   KPI Cards
   ============================================================================ */

.kpi-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--color-kpi-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px 20px;
    transition: all var(--transition);
}

.kpi-card:hover { box-shadow: var(--shadow-md); }

.kpi-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.kpi-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.1;
}

.kpi-value.small { font-size: 22px; }

.kpi-unit {
    font-size: 13px;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-left: 4px;
}

/* ============================================================================
   Cards / Panels
   ============================================================================ */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 14px;
    font-weight: 600;
}

.card-body { padding: 20px; }

.chart-type-switcher {
    display: flex;
    gap: 4px;
}

.chart-type-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-surface);
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 12px;
    transition: all var(--transition);
}

.chart-type-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.chart-type-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ============================================================================
   Grid Layouts
   ============================================================================ */

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.grid-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: 20px; }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }

@media (max-width: 1024px) {
    .grid-2, .grid-3, .grid-1-2, .grid-2-1 { grid-template-columns: 1fr; }
}

/* ============================================================================
   Tables
   ============================================================================ */

.data-table-wrap {
    overflow-x: auto;
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

table.data-table thead th {
    text-align: left;
    padding: 10px 12px;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
    user-select: none;
}

table.data-table thead th.sortable {
    cursor: pointer;
}

table.data-table thead th.sortable:hover {
    color: var(--color-text);
}

table.data-table thead th .sort-arrow {
    display: inline-block;
    margin-left: 4px;
    font-size: 10px;
    opacity: 0.3;
}

table.data-table thead th.sorted-asc .sort-arrow,
table.data-table thead th.sorted-desc .sort-arrow {
    opacity: 1;
    color: var(--color-primary);
}

table.data-table tbody td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
}

table.data-table tbody tr:hover {
    background: var(--color-row-hover);
}

table.data-table tbody tr.total-row {
    font-weight: 700;
    background: var(--color-surface-alt);
}

table.data-table td.numeric {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* ============================================================================
   Buttons
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
}

.btn:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.btn-primary:hover { background: var(--color-primary-hover); color: #fff; }

.btn-sm { padding: 5px 10px; font-size: 12px; }

/* ============================================================================
   Period Selector
   ============================================================================ */

.period-selector {
    display: flex;
    gap: 2px;
    background: var(--color-surface-alt);
    border-radius: 6px;
    padding: 2px;
    border: 1px solid var(--color-border);
}

.period-btn {
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 500;
    border: none;
    background: none;
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: 4px;
    transition: all var(--transition);
}

.period-btn:hover { color: var(--color-text); }
.period-btn.active { background: var(--color-primary); color: #fff; }

/* ============================================================================
   Theme Toggle
   ============================================================================ */

.theme-toggle {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-surface);
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 16px;
    transition: all var(--transition);
}

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

/* ============================================================================
   Form Controls (Reports Explorer filters)
   ============================================================================ */

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    padding: 16px 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.filter-group label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
}

.filter-group select,
.filter-group input[type="date"],
.filter-group input[type="text"] {
    padding: 6px 10px;
    font-size: 13px;
    border: 1px solid var(--color-input-border);
    border-radius: 6px;
    background: var(--color-input-bg);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition);
}

.filter-group select:focus,
.filter-group input:focus {
    border-color: var(--color-primary);
}

/* ============================================================================
   Funnel chart
   ============================================================================ */

.funnel { display: flex; flex-direction: column; gap: 4px; }

.funnel-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
}

.funnel-bar-wrap { flex: 1; }

.funnel-bar {
    height: 28px;
    border-radius: 4px;
    background: var(--color-primary);
    opacity: 0.9;
    transition: width 0.5s ease;
    position: relative;
    min-width: 2px;
}

.funnel-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-muted);
    width: 120px;
    flex-shrink: 0;
}

.funnel-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    width: 80px;
    text-align: right;
    flex-shrink: 0;
}

/* ============================================================================
   Landing Page
   ============================================================================ */

.landing-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
}

.landing-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-md);
}

.landing-card h1 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
}

.landing-card p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
    font-size: 14px;
}

.partner-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.partner-list li {
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.partner-list li:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-subtle);
}

.partner-list li .partner-name { font-weight: 500; }
.partner-list li .partner-id { font-size: 12px; color: var(--color-text-muted); }

/* ============================================================================
   Loading & Empty states
   ============================================================================ */

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--color-text-muted);
    font-size: 14px;
}

.loading::before {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    margin-right: 10px;
    animation: spin 0.6s linear infinite;
}

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

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--color-text-muted);
}

/* ============================================================================
   Refresh indicator
   ============================================================================ */

.refresh-indicator {
    font-size: 11px;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.refresh-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-success);
    animation: pulse 2s infinite;
}

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ============================================================================
   Scrollbar
   ============================================================================ */

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

/* ============================================================================
   Collapsible Sidebar
   ============================================================================ */

.sidebar.collapsed { width: 64px; }
.sidebar.collapsed .sidebar-logo-text,
.sidebar.collapsed .sidebar-nav a span.nav-label,
.sidebar.collapsed .nav-section,
.sidebar.collapsed .sidebar-footer .footer-full,
.sidebar.collapsed .sidebar-logo .cp-logo,
.sidebar.collapsed .sidebar-logo .cp-logo-icon {
    display: none;
}
.sidebar.collapsed .sidebar-logo .app-icon { display: flex; }
.sidebar.collapsed .sidebar-nav a {
    justify-content: center;
    padding: 12px 0;
}
.sidebar.collapsed .sidebar-logo {
    justify-content: center;
    align-items: center;
    padding: 16px 0;
}
.main-content.expanded { margin-left: 64px; }

/* Sidebar header with logo */
.sidebar-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-logo img.cp-logo {
    height: 52px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}
.sidebar-logo .app-icon {
    display: none;
    align-items: center;
    justify-content: center;
}
.sidebar-logo .app-icon svg {
    width: 30px;
    height: 30px;
}
.sidebar-logo .cp-logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
    flex-shrink: 0;
}
.sidebar-logo-text {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
}

/* Collapse toggle button */
.sidebar-collapse-btn {
    position: absolute;
    top: 18px;
    right: -12px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    z-index: 101;
    transition: all var(--transition);
}
.sidebar-collapse-btn:hover { color: var(--color-primary); border-color: var(--color-primary); }

/* ============================================================================
   Multi-select dropdown (checkboxes)
   ============================================================================ */

.multiselect {
    position: relative;
    min-width: 160px;
}
.multiselect-toggle {
    padding: 6px 10px;
    font-size: 13px;
    border: 1px solid var(--color-input-border);
    border-radius: 6px;
    background: var(--color-input-bg);
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    white-space: nowrap;
}
.multiselect-toggle:hover { border-color: var(--color-primary); }
.multiselect-toggle .caret { font-size: 10px; opacity: 0.6; }
.multiselect-panel {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 100%;
    max-height: 280px;
    overflow-y: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    box-shadow: var(--shadow-md);
    z-index: 200;
    padding: 6px;
}
.multiselect-panel.open { display: block; }
.multiselect-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    white-space: nowrap;
}
.multiselect-option:hover { background: var(--color-row-hover); }
.multiselect-option input { cursor: pointer; }

/* ============================================================================
   Selection summary line
   ============================================================================ */

.selection-summary {
    padding: 10px 16px;
    margin-bottom: 16px;
    background: var(--color-primary-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--color-text);
    line-height: 1.6;
}
.selection-summary strong { color: var(--color-primary); }
.selection-summary .sep { color: var(--color-text-muted); margin: 0 8px; }

/* Live match count next to playlist/video search inputs */
.match-count {
    font-weight: 400;
    color: var(--color-primary);
    text-transform: none;
    letter-spacing: 0;
    margin-left: 4px;
}
