/* variables.css - Ultra-Premium Design System Tokens */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    /* Premium Light Theme */
    --bg-primary: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.78);
    --bg-glass-strong: rgba(255, 255, 255, 0.92);
    --bg-muted: #f1f5f9;
    --bg-card: #ffffff;

    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;

    /* Brand & Accent Gradients */
    --brand-primary: #3b82f6;
    --brand-hover: #2563eb;
    --brand-active: #1d4ed8;
    --brand-gradient: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    --brand-gradient-hover: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
    --brand-glow: rgba(59, 130, 246, 0.25);

    --accent-violet: #8b5cf6;
    --accent-violet-gradient: linear-gradient(135deg, #8b5cf6 0%, #d946ef 100%);
    
    --border-color: #e2e8f0;
    --border-color-subtle: #f1f5f9;
    --border-glass: rgba(255, 255, 255, 0.6);
    --border-focus: rgba(59, 130, 246, 0.5);

    /* Status Colors */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --success-border: rgba(16, 185, 129, 0.2);
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);

    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --danger-border: rgba(239, 68, 68, 0.2);
    --danger-gradient: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);

    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --warning-border: rgba(245, 158, 11, 0.2);
    --warning-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);

    --info: #06b6d4;
    --info-bg: rgba(6, 182, 212, 0.1);
    --info-border: rgba(6, 182, 212, 0.2);

    /* Shadows & Glows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.1), 0 4px 12px -2px rgba(15, 23, 42, 0.05);
    --shadow-xl: 0 20px 35px -5px rgba(15, 23, 42, 0.12), 0 8px 16px -4px rgba(15, 23, 42, 0.06);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
    --shadow-glow-brand: 0 0 20px rgba(59, 130, 246, 0.25);
    --shadow-glow-success: 0 0 20px rgba(16, 185, 129, 0.25);
    --shadow-glow-danger: 0 0 20px rgba(239, 68, 68, 0.25);

    /* Radii */
    --radius-xs: 6px;
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 18px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Typography & Dimensions */
    --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --sidebar-width: 270px;
    --topbar-height: 70px;
    --mobile-nav-height: 64px;

    /* Fluid Transitions & Curves */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] {
    /* Premium Obsidian / Deep Slate Dark Theme */
    --bg-primary: #090d16;
    --bg-surface: #0f172a;
    --bg-surface-elevated: #1e293b;
    --bg-glass: rgba(15, 23, 42, 0.78);
    --bg-glass-strong: rgba(15, 23, 42, 0.92);
    --bg-muted: #131d33;
    --bg-card: #0f172a;

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-inverse: #0f172a;

    --brand-primary: #3b82f6;
    --brand-hover: #60a5fa;
    --brand-active: #93c5fd;
    --brand-gradient: linear-gradient(135deg, #3b82f6 0%, #818cf8 100%);
    --brand-gradient-hover: linear-gradient(135deg, #60a5fa 0%, #a5b4fc 100%);
    --brand-glow: rgba(59, 130, 246, 0.35);

    --border-color: #1e293b;
    --border-color-subtle: #172033;
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(96, 165, 250, 0.5);

    --success: #34d399;
    --success-bg: rgba(52, 211, 153, 0.12);
    --success-border: rgba(52, 211, 153, 0.25);
    --success-gradient: linear-gradient(135deg, #34d399 0%, #059669 100%);

    --danger: #f87171;
    --danger-bg: rgba(248, 113, 113, 0.12);
    --danger-border: rgba(248, 113, 113, 0.25);
    --danger-gradient: linear-gradient(135deg, #f87171 0%, #dc2626 100%);

    --warning: #fbbf24;
    --warning-bg: rgba(251, 191, 36, 0.12);
    --warning-border: rgba(251, 191, 36, 0.25);
    --warning-gradient: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);

    --info: #38bdf8;
    --info-bg: rgba(56, 189, 248, 0.12);
    --info-border: rgba(56, 189, 248, 0.25);

    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 20px 40px -6px rgba(0, 0, 0, 0.7);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    --shadow-glow-brand: 0 0 25px rgba(59, 130, 246, 0.35);
    --shadow-glow-success: 0 0 25px rgba(52, 211, 153, 0.35);
    --shadow-glow-danger: 0 0 25px rgba(248, 113, 113, 0.35);
}