/*
 * Headquarter Design Tokens
 *
 * Naming convention:
 *   --space-*   : 4px-based spacing scale (1 = 4px, 2 = 8px, ...)
 *   --font-size-* : fluid type scale from xs to 2xl
 *   --line-height-* : text leading scale
 *   --radius-*  : corner radius scale
 *   --shadow-*  : elevation shadows
 *   --bp-*      : responsive breakpoints
 *   --touch-target : minimum interactive control size
 *   --sidebar-width : desktop sidebar width
 *   --mobile-nav-height : bottom nav including safe-area inset
 */

:root {
	color-scheme: light;
	font-family: "Inter", "IBM Plex Sans", "Segoe UI", sans-serif;
	--bg: #f4f1ea;
	--panel: #fffef9;
	--ink: #1d1d1b;
	--muted: #5f5b55;
	--brand: #275d4b;
	--brand-strong: #154236;
	--border: #d8d0c5;
	--primary: #275d4b;
	--primary-fg: #fffef9;
	--color-primary: #275d4b;
	--success: #2f8f62;
	--success-light: rgba(47, 143, 98, 0.14);
	--warning: #c08a1e;
	--warning-light: rgba(192, 138, 30, 0.14);
	--danger: #b94a3c;
	--danger-light: rgba(185, 74, 60, 0.14);
	--info: #4f7fb8;
	--info-light: rgba(79, 127, 184, 0.14);

	/* Spacing Scale (4px base) */
	--space-1: 0.25rem;
	--space-2: 0.5rem;
	--space-3: 0.75rem;
	--space-4: 1rem;
	--space-5: 1.5rem;
	--space-6: 2rem;
	--space-7: 2.5rem;
	--space-8: 3rem;
	--space-9: 5rem;
	--space-10: 4rem;
	--space-12: 6rem;

	/* Border Radius */
	--radius-sm: 6px;
	--radius-md: 10px;
	--radius-lg: 14px;
	--radius-xl: 16px;
	--radius-full: 999px;

	/* Line Height */
	--line-height-tight: 1.25;
	--line-height-normal: 1.5;
	--line-height-relaxed: 1.75;

	/* Shadow / Elevation */
	--shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
	--shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
	--shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
	--shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.18);

	/* Layout & Touch */
	--touch-target: 44px;
	--sidebar-width: 280px;
	--mobile-nav-height: calc(64px + env(safe-area-inset-bottom, 0px));

	/* Breakpoints */
	--bp-sm: 480px;
	--bp-md: 768px;
	--bp-lg: 1024px;
	--bp-xl: 1280px;

	/* Fluid Typography */
	--font-size-xs: clamp(0.625rem, 0.6rem + 0.125vw, 0.75rem);
	--font-size-sm: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
	--font-size-base: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
	--font-size-lg: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
	--font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
	--font-size-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
}

[data-theme="dark"] {
	color-scheme: dark;
	--bg: #171613;
	--panel: #22201d;
	--ink: #ece7df;
	--muted: #a59d92;
	--brand: #5fa889;
	--brand-strong: #4d9175;
	--border: #39342d;
	--primary: #5fa889;
	--primary-fg: #171613;
	--color-primary: #5fa889;
	--success: #22c55e;
	--success-light: rgba(34, 197, 94, 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);
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--ink);
}

html.terminal-page-open,
body.terminal-page-open {
	overflow: hidden;
}

[data-theme="dark"] body {
	background: radial-gradient(circle at top right, #2a2520, var(--bg));
}

a {
	color: inherit;
	text-decoration: none;
}