/**
 * CSS Variables — TBBet Casino
 * Palette: Navy #1E3A5F | Teal #0D7377 | Amber #F5A623
 */

:root {
    /* Primary Colors — Navy */
    --color-primary: #1E3A5F;
    --color-primary-dark: #152D4B;
    --color-primary-light: #2E5080;
    --color-primary-rgb: 30, 58, 95;

    /* Secondary Colors — Teal */
    --color-secondary: #0D7377;
    --color-secondary-dark: #095B5E;
    --color-secondary-light: #129296;
    --color-secondary-rgb: 13, 115, 119;

    /* Accent Colors — Amber */
    --color-accent: #F5A623;
    --color-accent-dark: #D48C10;
    --color-accent-light: #F7C05A;
    --color-accent-rgb: 245, 166, 35;

    /* Background Colors */
    --color-bg: #F4F7FB;
    --color-bg-dark: #E6EDF5;
    --color-bg-light: #FFFFFF;
    --color-bg-card: #FFFFFF;
    --color-bg-header: #1E3A5F;
    --color-bg-footer: #0A1929;
    --color-bg-deep: #0F2139;

    /* Text Colors */
    --color-text: #1A2E45;
    --color-text-light: #4A6080;
    --color-text-muted: #7A90A8;
    --color-text-white: #FFFFFF;
    --color-text-on-primary: #FFFFFF;
    --color-text-on-secondary: #FFFFFF;

    /* Semantic Colors */
    --color-success: #1DB954;
    --color-error: #E53935;
    --color-warning: #F5A623;
    --color-info: #0D7377;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    --gradient-hero-left: linear-gradient(135deg, #0A1929 0%, #1E3A5F 60%, #2A4F7A 100%);
    --gradient-dark: linear-gradient(180deg, #0A1929 0%, #0F2139 100%);
    --gradient-card-hover: linear-gradient(135deg, rgba(var(--color-secondary-rgb), 0.08) 0%, rgba(var(--color-accent-rgb), 0.08) 100%);

    /* Typography */
    --font-main: 'Nunito', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-heading: 'Rajdhani', 'Nunito', -apple-system, sans-serif;
    --font-mono: "SF Mono", Monaco, "Cascadia Code", monospace;

    /* Font Sizes — Fluid */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.4vw, 1rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
    --text-4xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
    --text-hero: clamp(2.8rem, 2rem + 3.5vw, 5rem);

    /* Line Heights */
    --leading-tight: 1.15;
    --leading-normal: 1.55;
    --leading-relaxed: 1.75;

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

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.18);
    --shadow-card: 0 4px 20px rgba(30, 58, 95, 0.08);
    --shadow-card-hover: 0 12px 35px rgba(30, 58, 95, 0.18);
    --shadow-glow-teal: 0 0 25px rgba(var(--color-secondary-rgb), 0.35);
    --shadow-glow-amber: 0 0 25px rgba(var(--color-accent-rgb), 0.4);
    --shadow-glow-nav: 0 2px 20px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 280ms ease;
    --transition-slow: 450ms ease;

    /* Layout */
    --container-max: 1200px;
    --container-padding: 1.5rem;
    --header-height: 72px;
    --total-header-height: 72px;
    --footer-min-height: 200px;

    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}