/* ==================== XINDUS DESIGN SYSTEM - VARIABLES ==================== */
/* Version: 1.0.0 */

:root {
    /* ========== BRAND COLORS ========== */
    /* Primary - Blue */
    --primary-blue: #1e40af;
    --primary-blue-light: #3b82f6;
    --primary-blue-lighter: #60a5fa;
    --primary-blue-dark: #1e3a8a;

    /* Accent - Orange */
    --accent-orange: #f97316;
    --accent-orange-light: #fb923c;
    --accent-orange-dark: #ea580c;

    /* Secondary Accents */
    --accent-amber: #f59e0b;
    --accent-coral: #f472b6;
    --accent-purple: #8b5cf6;
    --accent-green: #10b981;

    /* ========== DARK THEME (Default) ========== */
    --bg-primary: #030712;
    --bg-secondary: #0a1628;
    --bg-tertiary: #111d36;
    --bg-card: rgba(30, 64, 175, 0.08);
    --bg-card-solid: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(59, 130, 246, 0.15);
    --shadow-glow-blue: rgba(59, 130, 246, 0.4);
    --shadow-glow-orange: rgba(249, 115, 22, 0.4);

    /* ========== LIGHT THEME OVERRIDES ========== */
    --light-bg-primary: #ffffff;
    --light-bg-secondary: #f8fafc;
    --light-bg-tertiary: #f0f7ff;
    --light-bg-card: rgba(59, 130, 246, 0.06);
    --light-text-primary: #0f172a;
    --light-text-secondary: #475569;
    --light-text-muted: #64748b;
    --light-border-color: rgba(15, 23, 42, 0.1);

    /* ========== TYPOGRAPHY ========== */
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-serif: 'DM Serif Display', Georgia, serif;

    /* Font Sizes */
    --text-xs: 11px;
    --text-sm: 13px;
    --text-base: 14px;
    --text-md: 16px;
    --text-lg: 18px;
    --text-xl: 20px;
    --text-2xl: 24px;
    --text-3xl: 32px;
    --text-4xl: 42px;
    --text-5xl: 56px;
    --text-6xl: 72px;

    /* Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Line Heights */
    --leading-tight: 1.2;
    --leading-snug: 1.3;
    --leading-normal: 1.5;
    --leading-relaxed: 1.6;
    --leading-loose: 1.7;

    /* ========== SPACING ========== */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;

    /* ========== BORDER RADIUS ========== */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 100px;

    /* ========== SHADOWS ========== */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px -5px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 4px 15px var(--shadow-glow-orange);

    /* ========== TRANSITIONS ========== */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;

    /* ========== Z-INDEX ========== */
    --z-dropdown: 100;
    --z-sticky: 500;
    --z-fixed: 1000;
    --z-modal-backdrop: 1100;
    --z-modal: 1200;
    --z-tooltip: 1300;

    /* ========== BREAKPOINTS (for reference) ========== */
    /* --bp-sm: 480px; */
    /* --bp-md: 768px; */
    /* --bp-lg: 992px; */
    /* --bp-xl: 1200px; */
    /* --bp-2xl: 1400px; */
}