/* ============================================
   J&D Vantage Quant - CSS Variables & Base
   Design System Tokens
   ============================================ */

:root {
    /* ---- Primary Colors ---- */
    --color-bg: #06060b;
    --color-bg-alt: #0a0a12;
    --color-bg-card: rgba(255, 255, 255, 0.03);
    --color-bg-card-hover: rgba(255, 255, 255, 0.06);
    --color-bg-elevated: rgba(255, 255, 255, 0.05);

    /* ---- Accent Colors ---- */
    --color-purple: #7c3aed;
    --color-purple-light: #a78bfa;
    --color-purple-dark: #5b21b6;
    --color-purple-glow: rgba(124, 58, 237, 0.3);
    --color-purple-subtle: rgba(124, 58, 237, 0.12);

    --color-cyan: #22d3ee;
    --color-cyan-light: #67e8f9;
    --color-cyan-dark: #0891b2;
    --color-cyan-glow: rgba(34, 211, 238, 0.3);
    --color-cyan-subtle: rgba(34, 211, 238, 0.12);

    --color-green: #10b981;
    --color-green-light: #34d399;
    --color-green-dark: #059669;
    --color-green-glow: rgba(16, 185, 129, 0.3);
    --color-green-subtle: rgba(16, 185, 129, 0.12);

    --color-amber: #f59e0b;
    --color-amber-light: #fbbf24;
    --color-amber-dark: #d97706;
    --color-amber-glow: rgba(245, 158, 11, 0.3);
    --color-amber-subtle: rgba(245, 158, 11, 0.12);

    --color-gold: #b8955a;
    --color-gold-light: #d4a574;
    --color-gold-dark: #8b6914;

    --color-red: #ef4444;
    --color-red-light: #f87171;
    --color-red-dark: #dc2626;
    --color-red-glow: rgba(239, 68, 68, 0.3);
    --color-red-subtle: rgba(239, 68, 68, 0.1);

    /* ---- Text Colors ---- */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-accent: #7c3aed;
    --text-white: #ffffff;

    /* ---- Border Colors ---- */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.15);
    --border-color-active: rgba(124, 58, 237, 0.4);

    /* ---- Gradients ---- */
    --gradient-primary: linear-gradient(135deg, #7c3aed, #22d3ee);
    --gradient-purple: linear-gradient(135deg, #7c3aed, #a78bfa);
    --gradient-cyan: linear-gradient(135deg, #22d3ee, #67e8f9);
    --gradient-green: linear-gradient(135deg, #10b981, #34d399);
    --gradient-gold: linear-gradient(135deg, #b8955a, #d4a574);
    --gradient-danger: linear-gradient(135deg, #ef4444, #f87171);
    --gradient-dark: linear-gradient(180deg, #06060b 0%, #0a0a12 100%);
    --gradient-card: linear-gradient(135deg, rgba(124, 58, 237, 0.05), rgba(34, 211, 238, 0.05));
    --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(124, 58, 237, 0.15) 0%, transparent 60%);
    --gradient-hero-2: radial-gradient(ellipse at 80% 50%, rgba(34, 211, 238, 0.08) 0%, transparent 50%);

    /* ---- Shadows ---- */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.5);
    --shadow-glow-purple: 0 0 30px rgba(124, 58, 237, 0.2);
    --shadow-glow-cyan: 0 0 30px rgba(34, 211, 238, 0.2);
    --shadow-glow-green: 0 0 30px rgba(16, 185, 129, 0.2);

    /* ---- Typography ---- */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;

    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;

    --leading-tight: 1.15;
    --leading-snug: 1.3;
    --leading-normal: 1.5;
    --leading-relaxed: 1.7;

    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.05em;
    --tracking-wider: 0.1em;

    /* ---- Spacing ---- */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* ---- Border Radius ---- */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* ---- Transitions ---- */
    --transition-fast: 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-base: 350ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 500ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition-spring: 600ms cubic-bezier(0.22, 1, 0.36, 1);

    /* ---- Z-Index Scale ---- */
    --z-behind: -1;
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
    --z-toast: 700;

    /* ---- Container ---- */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1200px;
    --container-2xl: 1400px;
}