/* =============================================
   ROOTINZ MOTORS - Design System
   Premium dark/gold theme
   ============================================= */

/* --- CSS Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* === COLORS === */
    /* Primary - Gold */
    --gold-50: #FFF9E6;
    --gold-100: #FFF0BF;
    --gold-200: #FFE699;
    --gold-300: #FFD966;
    --gold-400: #FFCC33;
    --gold-500: #D4A017;
    --gold-600: #B8860B;
    --gold-700: #9A7209;
    --gold-800: #7C5B07;
    --gold-900: #5E4405;

    /* Dark - Backgrounds */
    --dark-950: #0A0A0F;
    --dark-900: #0F1117;
    --dark-850: #12141C;
    --dark-800: #161821;
    --dark-700: #1C1E2A;
    --dark-600: #232636;
    --dark-500: #2E3148;
    --dark-400: #3D415A;
    --dark-300: #525672;
    --dark-200: #6B708C;
    --dark-100: #9498B3;

    /* Neutrals */
    --white: #FFFFFF;
    --gray-50: #F8F9FA;
    --gray-100: #E9ECEF;
    --gray-200: #DEE2E6;
    --gray-300: #CED4DA;
    --gray-400: #ADB5BD;
    --gray-500: #6C757D;
    --gray-600: #495057;

    /* Status */
    --success: #10B981;
    --success-light: rgba(16, 185, 129, 0.15);
    --warning: #F59E0B;
    --warning-light: rgba(245, 158, 11, 0.15);
    --danger: #EF4444;
    --danger-light: rgba(239, 68, 68, 0.15);
    --info: #3B82F6;
    --info-light: rgba(59, 130, 246, 0.15);

    /* === TYPOGRAPHY === */
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 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;

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

    --leading-tight: 1.2;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;

    --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;

    /* === BORDERS & RADIUS === */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-light: rgba(255, 255, 255, 0.12);

    /* === SHADOWS === */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 4px 20px rgba(212, 160, 23, 0.25);
    --shadow-gold-lg: 0 8px 40px rgba(212, 160, 23, 0.3);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.3);

    /* === TRANSITIONS === */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* === LAYOUT === */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1440px;
    --header-height: 80px;
    --sidebar-width: 280px;

    /* === Z-INDEX === */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-overlay: 400;
    --z-modal: 500;
    --z-toast: 600;
}

/* === BASE STYLES === */
html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-regular);
    line-height: var(--leading-normal);
    color: var(--gray-200);
    background-color: var(--dark-950);
    min-height: 100vh;
}

a {
    color: var(--gold-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--gold-300);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    font-family: inherit;
    border: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--white);
}

h1 { font-size: var(--text-5xl); letter-spacing: var(--tracking-tight); }
h2 { font-size: var(--text-4xl); letter-spacing: var(--tracking-tight); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    margin-bottom: var(--space-4);
    color: var(--gray-300);
}

::selection {
    background: var(--gold-500);
    color: var(--dark-950);
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-900);
}

::-webkit-scrollbar-thumb {
    background: var(--dark-500);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-400);
}