/* ============================================================================
   Ventota Analytics — Shared Design System (v15)
   ============================================================================ */

:root {
    /* Brand palette */
    --brand-1: #667eea;
    --brand-2: #764ba2;
    --brand-grad: linear-gradient(135deg, #667eea, #764ba2);

    /* Semantic colors */
    --color-success: #10b981;
    --color-success-bg: #ecfdf5;
    --color-warning: #f59e0b;
    --color-warning-bg: #fffbeb;
    --color-danger:  #ef4444;
    --color-danger-bg:  #fef2f2;
    --color-info:    #3b82f6;
    --color-info-bg:    #eff6ff;

    /* Neutrals */
    --bg:        #f5f7fb;
    --surface:   #ffffff;
    --border:    #e5e7eb;
    --text:      #1f2937;
    --text-muted:#6b7280;
    --text-dim:  #9ca3af;

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;

    /* Radii */
    --r-sm: 4px;
    --r-md: 8px;
    --r-lg: 12px;

    /* Shadows */
    --shadow-1: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-2: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-3: 0 10px 30px rgba(0,0,0,0.10);
}

* { box-sizing: border-box; }

html, body {
    margin: 0; padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    font-size: 14px;
}

a { color: var(--brand-1); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================================================================
   Layout containers
   ============================================================================ */

.va-page {
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--space-5);
}
.va-page-narrow { max-width: 1200px; }

/* ============================================================================
   Top header (shared across all pages)
   ============================================================================ */

.va-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0;
    box-shadow: var(--shadow-1);
    position: sticky; top: 0; z-index: 100;
}
.va-header-inner {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--space-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 56px;
}
.va-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 700;
    font-size: 16px;
    color: var(--text);
}
.va-brand-mark {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: var(--brand-grad);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
}
.va-nav {
    display: flex;
    gap: 2px;
    flex: 1;
    margin-left: var(--space-6);
}
.va-nav a {
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    white-space: nowrap;
}
.va-nav a:hover { background: var(--bg); color: var(--text); text-decoration: none; }
.va-nav a.active {
    background: var(--brand-grad);
    color: #fff;
}

.va-userbox {
    display: flex; align-items: center; gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
}
.va-userbox .role {
    font-weight: 700;
    color: var(--text);
}
.va-logout-btn {
    padding: 6px 12px;
    background: var(--color-danger);
    color: #fff;
    border-radius: 6px;
    font-weight: 600;
    font-size: 12px;
    text-decoration: none;
}
.va-logout-btn:hover { color: #fff; text-decoration: none; opacity: 0.9; }

/* mobile hamburger */
.va-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
@media (max-width: 900px) {
    .va-nav { display: none; position: absolute; top: 56px; left: 0; right: 0;
              background: #fff; flex-direction: column; gap: 0; padding: 8px;
              box-shadow: var(--shadow-2); }
    .va-nav.open { display: flex; }
    .va-nav a { padding: 12px; border-radius: 4px; }
    .va-hamburger { display: block; }
}

/* ============================================================================
   Page titles
   ============================================================================ */

.va-page-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
    gap: var(--space-3);
}
.va-page-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 4px 0;
    color: var(--text);
}
.va-page-subtitle {
    color: var(--text-muted);
    font-size: 14px;
    margin: 0;
}

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

.va-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-1);
    padding: var(--space-5);
    margin-bottom: var(--space-4);
}
.va-card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border);
}
.va-card-title {
    font-size: 15px;
    font-weight: 700;
    margin: 0;
}

/* KPI summary cards */
.va-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}
.va-kpi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid var(--brand-1);
    border-radius: var(--r-md);
    padding: var(--space-4);
    box-shadow: var(--shadow-1);
}
.va-kpi-card.success { border-left-color: var(--color-success); }
.va-kpi-card.warning { border-left-color: var(--color-warning); }
.va-kpi-card.danger  { border-left-color: var(--color-danger); }
.va-kpi-card.info    { border-left-color: var(--color-info); }
.va-kpi-card h4 {
    margin: 0 0 6px 0;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 700;
}
.va-kpi-card .value {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
}
.va-kpi-card .sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ============================================================================
   Filters
   ============================================================================ */

.va-filters {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-1);
}
.va-filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-3);
}
.va-filter-group label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}
.va-filter-group input,
.va-filter-group select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    font-size: 13px;
    background: #fff;
    color: var(--text);
}
.va-filter-group input:focus,
.va-filter-group select:focus {
    outline: none;
    border-color: var(--brand-1);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}
.va-filter-actions {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border);
    display: flex;
    gap: var(--space-2);
    justify-content: flex-end;
    flex-wrap: wrap;
}

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

.va-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid transparent;
    border-radius: var(--r-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    background: #fff;
    color: var(--text);
    text-decoration: none;
    transition: opacity 0.15s, transform 0.08s;
}
.va-btn:hover { opacity: 0.95; text-decoration: none; }
.va-btn:active { transform: translateY(1px); }
.va-btn-primary {
    background: var(--brand-grad);
    color: #fff;
    border-color: transparent;
}
.va-btn-secondary {
    background: var(--bg);
    color: var(--text);
    border-color: var(--border);
}
.va-btn-success { background: var(--color-success); color: #fff; }
.va-btn-warning { background: var(--color-warning); color: #fff; }
.va-btn-danger  { background: var(--color-danger);  color: #fff; }
.va-btn-info    { background: var(--color-info);    color: #fff; }
.va-btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}
.va-btn-icon {
    padding: 6px 8px;
    background: var(--bg);
    border: 1px solid var(--border);
}
.va-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ============================================================================
   Tabs
   ============================================================================ */

.va-tabs {
    display: flex;
    gap: 2px;
    border-bottom: 2px solid var(--border);
    margin-bottom: var(--space-4);
    overflow-x: auto;
}
.va-tab {
    padding: 10px 18px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    margin-bottom: -2px;
    text-decoration: none;
}
.va-tab:hover { color: var(--text); }
.va-tab.active {
    color: var(--brand-1);
    border-bottom-color: var(--brand-1);
}
.va-tab-count {
    margin-left: 6px;
    background: var(--bg);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    color: var(--text-muted);
}
.va-tab.active .va-tab-count {
    background: rgba(102, 126, 234, 0.1);
    color: var(--brand-1);
}

/* ============================================================================
   Tables (HTML, used by DataTables and AG-Grid alike)
   ============================================================================ */

.va-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.va-table th {
    background: #f9fafb;
    padding: 10px 12px;
    text-align: left;
    font-weight: 700;
    color: var(--text);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.va-table td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.va-table tr:hover td { background: #f9fafb; }
.va-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.va-table code {
    font-family: SFMono-Regular, Consolas, monospace;
    font-size: 12px;
    background: var(--bg);
    padding: 1px 5px;
    border-radius: 3px;
}

/* ============================================================================
   Badges
   ============================================================================ */

.va-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.5;
    white-space: nowrap;
}
.va-badge-success { background: var(--color-success-bg); color: #166534; border: 1px solid #86efac; }
.va-badge-warning { background: var(--color-warning-bg); color: #92400e; border: 1px solid #fcd34d; }
.va-badge-danger  { background: var(--color-danger-bg);  color: #991b1b; border: 1px solid #fca5a5; }
.va-badge-info    { background: var(--color-info-bg);    color: #1e40af; border: 1px solid #93c5fd; }
.va-badge-muted   { background: #f3f4f6;                  color: #4b5563; border: 1px solid #d1d5db; }

/* trend colors */
.trend-up   { color: #047857; font-weight: 600; }
.trend-down { color: #b91c1c; font-weight: 600; }
.trend-flat { color: var(--text-muted); }

/* ============================================================================
   Alerts
   ============================================================================ */

.va-alert {
    padding: 12px 16px;
    border-radius: var(--r-sm);
    border-left: 4px solid;
    margin-bottom: var(--space-4);
    font-size: 13px;
}
.va-alert-info    { background: var(--color-info-bg);    border-color: var(--color-info);    color: #1e40af; }
.va-alert-success { background: var(--color-success-bg); border-color: var(--color-success); color: #166534; }
.va-alert-warning { background: var(--color-warning-bg); border-color: var(--color-warning); color: #92400e; }
.va-alert-danger  { background: var(--color-danger-bg);  border-color: var(--color-danger);  color: #991b1b; }

/* ============================================================================
   Tile / dashboard grid (for landing pages)
   ============================================================================ */

.va-tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-4);
}
.va-tile {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: var(--space-5);
    box-shadow: var(--shadow-1);
    text-decoration: none;
    color: var(--text);
    transition: box-shadow 0.15s, transform 0.1s, border-color 0.15s;
}
.va-tile:hover {
    box-shadow: var(--shadow-2);
    transform: translateY(-2px);
    border-color: var(--brand-1);
    text-decoration: none;
    color: var(--text);
}
.va-tile-icon {
    width: 44px; height: 44px;
    border-radius: 10px;
    background: var(--brand-grad);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: var(--space-3);
}
.va-tile h3 {
    margin: 0 0 6px 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
}
.va-tile p {
    margin: 0;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* DataTables overrides — adopt our design tokens when DT is loaded */
.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    font-size: 13px;
}
.dataTables_wrapper .dataTables_paginate .paginate_button {
    padding: 5px 10px;
    border-radius: var(--r-sm);
    border: 1px solid transparent;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--brand-grad) !important;
    color: #fff !important;
    border: 1px solid transparent;
}

/* ============================================================================
   Footer
   ============================================================================ */

.va-footer {
    text-align: center;
    color: var(--text-dim);
    font-size: 11px;
    padding: var(--space-5);
    margin-top: var(--space-6);
}

/* ============================================================================
   Utilities
   ============================================================================ */

.va-flex { display: flex; }
.va-flex-between { display: flex; justify-content: space-between; align-items: center; }
.va-gap-2 { gap: var(--space-2); }
.va-gap-3 { gap: var(--space-3); }
.va-mb-3 { margin-bottom: var(--space-3); }
.va-mb-4 { margin-bottom: var(--space-4); }
.va-text-muted { color: var(--text-muted); }
.va-text-sm { font-size: 12px; }
.va-text-mono { font-family: SFMono-Regular, Consolas, monospace; }
.va-text-right { text-align: right; }
.va-text-center { text-align: center; }
.va-w-full { width: 100%; }