/* ===================== BASE v6.0 — Stitch Design System ===================== */
/* CSS Variables, Reset, Font, Theme Colors, Glass Utilities */

:root {
    /* ---- Stitch Color Tokens ---- */
    --bg-body: #09090B;
    --bg-sidebar: rgba(9, 9, 11, 0.85);
    --bg-card: #18181B;
    --bg-card-hover: #27272A;
    --bg-input: #27272A;
    --bg-hover: rgba(255, 255, 255, 0.04);
    --border: rgba(255, 255, 255, 0.05);
    --border-light: rgba(255, 255, 255, 0.1);
    --text-primary: #F1F5F9;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --text-dim: #64748B;
    --text-main: var(--text-primary);

    /* ---- Accent Palette (unchanged) ---- */
    --accent-blue: #3B82F6;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-yellow: #F59E0B;
    --accent-purple: #8b5cf6;
    --accent-orange: #f97316;
    --accent-pink: #ec4899;
    --accent-cyan: #06b6d4;

    /* ---- Stitch Surface Tokens ---- */
    --surface-dark: #18181B;
    --surface-dark-lighter: #27272A;
    --surface-highlight: #3F3F46;

    /* ---- Typography ---- */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
    --header-height: 52px;
    --transition: all 0.2s ease;

    /* ---- Stitch Radius Scale ---- */
    --radius-sm: 0.5rem;
    --radius: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
}

/* ---- LIGHT THEME ---- */
[data-theme="light"] {
    --bg-body: #F6F8F7;
    --bg-sidebar: rgba(255, 255, 255, 0.9);
    --bg-card: #FFFFFF;
    --bg-card-hover: #F8FAFC;
    --bg-input: #F1F5F9;
    --bg-hover: rgba(0, 0, 0, 0.03);
    --border: rgba(0, 0, 0, 0.06);
    --border-light: rgba(0, 0, 0, 0.1);
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #64748B;
    --text-dim: #94A3B8;
    --surface-dark: #F1F5F9;
    --surface-dark-lighter: #E2E8F0;
    --surface-highlight: #CBD5E1;
}

/* ---- RESET ---- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    font-family: var(--font);
    font-size: 13px;
    background: var(--bg-body);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow: hidden;
}

/* ---- ACCESSIBILITY ---- */
:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

::selection {
    background: rgba(59, 130, 246, 0.3);
}

/* ---- SCROLLBAR (Stitch Style) ---- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: var(--surface-dark-lighter);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* ---- TRANSITION HELPERS ---- */
.sidebar,
.top-header,
.kpi-card,
.content-area,
.card,
.modal-content,
.input-field {
    transition: background 0.4s ease, border-color 0.4s ease,
        color 0.4s ease, box-shadow 0.4s ease;
}

/* ===================== STITCH GLASS UTILITIES ===================== */

/* Glass Card — the core Stitch visual effect */
.glass-card {
    background: linear-gradient(145deg, rgba(24, 24, 27, 0.8) 0%, rgba(9, 9, 11, 0.6) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
}

[data-theme="light"] .glass-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(241, 245, 249, 0.7) 100%);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

/* Glass Nav — sidebar frosted glass */
.glass-nav {
    background: rgba(9, 9, 11, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .glass-nav {
    background: rgba(255, 255, 255, 0.9);
    border-right: 1px solid rgba(0, 0, 0, 0.06);
}

/* Glow Text — numeric emphasis */
.glow-text-blue {
    text-shadow: 0 0 20px rgba(59, 130, 246, 0.25);
}

.glow-text-amber {
    text-shadow: 0 0 20px rgba(245, 158, 11, 0.25);
}

.glow-text-green {
    text-shadow: 0 0 20px rgba(16, 185, 129, 0.25);
}

.glow-text-red {
    text-shadow: 0 0 20px rgba(239, 68, 68, 0.25);
}

/* ===================== LIGHT THEME PATCHES ===================== */
[data-theme="light"] .text-blue {
    color: #2563eb;
}

[data-theme="light"] .text-green {
    color: #059669;
}

[data-theme="light"] .text-red {
    color: #dc2626;
}

[data-theme="light"] .text-yellow {
    color: #d97706;
}

[data-theme="light"] .text-purple {
    color: #7c3aed;
}

[data-theme="light"] .text-pink {
    color: #db2777;
}

[data-theme="light"] .text-cyan {
    color: #0891b2;
}

[data-theme="light"] .text-orange {
    color: #ea580c;
}

[data-theme="light"] .text-dim {
    color: #94A3B8;
}

[data-theme="light"] .text-muted {
    color: #64748B;
}

[data-theme="light"] .badge {
    color: #fff;
}

[data-theme="light"] .kpi-sub {
    color: #64748B;
}

[data-theme="light"] .card-header {
    border-bottom-color: var(--border);
}

[data-theme="light"] .sidebar-item.active {
    background: rgba(59, 130, 246, 0.08);
}

[data-theme="light"] .sidebar {
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .drag-card {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .top-header {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .data-table thead th {
    background: rgba(241, 245, 249, 0.95);
}

[data-theme="light"] .skeleton {
    background: #e2e8f0;
    background-image: linear-gradient(90deg, #e2e8f0 0px, #f8fafc 40px, #e2e8f0 80px);
}

[data-theme="light"] .glow-text-blue,
[data-theme="light"] .glow-text-amber,
[data-theme="light"] .glow-text-green,
[data-theme="light"] .glow-text-red {
    text-shadow: none;
}

/* Global Stitch Radius Override */
.page,
.card,
.kpi-card,
.ai-sidebar,
.ai-page-full,
.data-table,
.modal-content,
.toast,
.sidebar-nav {
    border-radius: var(--radius-lg) !important;
}