/**
 * AutoMag Pro — Design Tokens
 * Apple/Tesla-inspired luxury automotive design system
 */

:root {
	/* ── Color Palette ── */
	--color-primary: #0a0a0b;
	--color-primary-rgb: 10, 10, 11;
	--color-secondary: #1c1c1e;
	--color-secondary-rgb: 28, 28, 30;
	--color-surface: #f5f5f7;
	--color-surface-rgb: 245, 245, 247;
	--color-surface-elevated: #ffffff;
	--color-surface-dark: #2c2c2e;
	--color-surface-muted: #e8e8ed;

	--color-accent: #c41e3a;
	--color-accent-rgb: 196, 30, 58;
	--color-accent-light: #e8364f;
	--color-accent-dark: #9a1830;
	--color-accent-glow: rgba(196, 30, 58, 0.25);

	--color-text: #1d1d1f;
	--color-text-rgb: 29, 29, 31;
	--color-text-muted: #86868b;
	--color-text-subtle: #aeaeb2;
	--color-text-inverse: #f5f5f7;
	--color-white: #ffffff;

	--color-success: #34c759;
	--color-success-rgb: 52, 199, 89;
	--color-warning: #ff9500;
	--color-warning-rgb: 255, 149, 0;
	--color-error: #ff3b30;
	--color-error-rgb: 255, 59, 48;
	--color-info: #007aff;

	/* ── Glassmorphism ── */
	--glass-bg: rgba(255, 255, 255, 0.72);
	--glass-bg-strong: rgba(255, 255, 255, 0.88);
	--glass-border: rgba(255, 255, 255, 0.35);
	--glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
	--glass-blur: 20px;
	--glass-blur-heavy: 40px;

	/* ── Semantic Colors ── */
	--color-bg: var(--color-surface);
	--color-bg-elevated: var(--color-surface-elevated);
	--color-border: rgba(0, 0, 0, 0.08);
	--color-border-strong: rgba(0, 0, 0, 0.14);
	--color-link: var(--color-accent);
	--color-link-hover: var(--color-accent-light);
	--color-focus-ring: rgba(196, 30, 58, 0.45);

	/* ── Typography ── */
	--font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
	--font-heading: 'SF Pro Display', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
	--font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

	--font-size-xs: 0.75rem;
	--font-size-sm: 0.875rem;
	--font-size-base: 1rem;
	--font-size-lg: 1.125rem;
	--font-size-xl: 1.25rem;
	--font-size-2xl: 1.5rem;
	--font-size-3xl: 2rem;
	--font-size-4xl: 2.5rem;
	--font-size-5xl: 3.5rem;
	--font-size-hero: clamp(2.25rem, 5vw + 1rem, 4rem);

	--font-weight-normal: 400;
	--font-weight-medium: 500;
	--font-weight-semibold: 600;
	--font-weight-bold: 700;

	--line-height-tight: 1.15;
	--line-height-snug: 1.3;
	--line-height-normal: 1.6;
	--line-height-relaxed: 1.75;

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

	/* ── Spacing Scale ── */
	--space-0: 0;
	--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;

	/* ── Layout ── */
	--container-max: 1200px;
	--container-wide: 1400px;
	--container-narrow: 720px;
	--container-padding: clamp(1rem, 4vw, 2rem);
	--header-height: 72px;
	--header-height-scrolled: 60px;
	--sidebar-width: 320px;
	--compare-bar-height: 80px;

	/* ── Border Radius ── */
	--radius-xs: 4px;
	--radius-sm: 8px;
	--radius-md: 12px;
	--radius-lg: 16px;
	--radius-xl: 24px;
	--radius-2xl: 32px;
	--radius-full: 9999px;

	/* ── Shadows ── */
	--shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
	--shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
	--shadow-md: 0 4px 24px rgba(0, 0, 0, 0.08);
	--shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
	--shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.16);
	--shadow-card: 0 4px 24px rgba(0, 0, 0, 0.08);
	--shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.12);
	--shadow-glow-accent: 0 0 40px var(--color-accent-glow);
	--shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);

	/* ── Transitions ── */
	--ease-out: cubic-bezier(0.16, 1, 0.3, 1);
	--ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
	--ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
	--duration-fast: 150ms;
	--duration-normal: 250ms;
	--duration-slow: 400ms;
	--duration-slower: 600ms;
	--transition-fast: var(--duration-fast) var(--ease-out);
	--transition-normal: var(--duration-normal) var(--ease-out);
	--transition-slow: var(--duration-slow) var(--ease-out);

	/* ── Z-Index Scale ── */
	--z-dropdown: 100;
	--z-sticky: 200;
	--z-fixed: 300;
	--z-modal-backdrop: 400;
	--z-modal: 500;
	--z-toast: 600;
	--z-compare-bar: 350;

	/* ── Component Tokens ── */
	--btn-height: 48px;
	--btn-height-sm: 36px;
	--btn-height-lg: 56px;
	--input-height: 48px;
	--card-padding: var(--space-6);
	--section-gap: var(--space-16);
}

/* ── Dark Mode ── */
[data-theme="dark"],
.dark-mode {
	--color-bg: var(--color-primary);
	--color-bg-elevated: var(--color-secondary);
	--color-surface: #0a0a0b;
	--color-surface-elevated: #1c1c1e;
	--color-surface-muted: #2c2c2e;
	--color-surface-dark: #3a3a3c;

	--color-text: #f5f5f7;
	--color-text-muted: #98989d;
	--color-text-subtle: #636366;
	--color-text-inverse: #1d1d1f;

	--color-border: rgba(255, 255, 255, 0.1);
	--color-border-strong: rgba(255, 255, 255, 0.18);

	--glass-bg: rgba(28, 28, 30, 0.72);
	--glass-bg-strong: rgba(28, 28, 30, 0.92);
	--glass-border: rgba(255, 255, 255, 0.12);
	--glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);

	--shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
	--shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
	--shadow-md: 0 4px 24px rgba(0, 0, 0, 0.35);
	--shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.45);
	--shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.55);
	--shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
	--shadow-elevated: 0 12px 40px rgba(0, 0, 0, 0.45);
}

@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) {
		--color-bg: var(--color-primary);
		--color-bg-elevated: var(--color-secondary);
		--color-surface: #0a0a0b;
		--color-surface-elevated: #1c1c1e;
		--color-surface-muted: #2c2c2e;
		--color-text: #f5f5f7;
		--color-text-muted: #98989d;
		--color-text-subtle: #636366;
		--color-border: rgba(255, 255, 255, 0.1);
		--color-border-strong: rgba(255, 255, 255, 0.18);
		--glass-bg: rgba(28, 28, 30, 0.72);
		--glass-bg-strong: rgba(28, 28, 30, 0.92);
		--glass-border: rgba(255, 255, 255, 0.12);
		--glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
		--shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
	}
}