/* Tokens — reuse these instead of hardcoding values in new page CSS. */

:root {
	--color-bg: #ffffff;
	--color-surface: #fffdfa;
	--color-border: #e6ded2;
	--color-text: #2b2620;
	--color-text-muted: #776d5e;

	--color-primary: #b5541f;
	--color-primary-hover: #953f13;
	--color-primary-tint: rgba(181, 84, 31, 0.1);
	--color-danger: #b3261e;

	--glass-bg: rgba(255, 255, 255, 0.55);
	--glass-border: rgba(255, 255, 255, 0.6);
	--glass-blur: 16px;
	--glass-shadow: 0 8px 24px rgba(43, 38, 32, 0.07);

	--space-1: 0.5rem;
	--space-2: 1rem;
	--space-3: 1.5rem;
	--space-4: 2.5rem;

	--radius: 8px;
	--radius-lg: 14px;

	--font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}

/* Reset */

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	min-height: 100vh;
	font-family: var(--font-sans);
	font-size: 1.0625rem;
	color: var(--color-text);
	background: var(--color-bg);
}

/* Layout */

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 var(--space-4);
}

.navbar {
	position: sticky;
	top: 0;
	z-index: 10;
	display: flex;
	align-items: center;
	gap: var(--space-3);
	background: var(--glass-bg);
	backdrop-filter: blur(var(--glass-blur));
	-webkit-backdrop-filter: blur(var(--glass-blur));
	border-bottom: 1px solid var(--color-border);
	padding: var(--space-2) max(var(--space-4), calc(50vw - 600px + var(--space-4)));
}

.nav-brand {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-weight: 600;
	font-size: 1.25rem;
	color: var(--color-text);
	text-decoration: none;
}

.nav-brand .icon {
	width: 1.25em;
	height: 1.25em;
	color: var(--color-primary);
}

.nav-links {
	display: flex;
	gap: var(--space-1);
	margin-left: var(--space-2);
	margin-right: auto;
}

.nav-link {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	font-size: 0.9375rem;
	font-weight: 500;
	color: var(--color-text-muted);
	text-decoration: none;
	padding: 0.45rem 0.8rem;
	border-radius: var(--radius);
	transition: background-color 0.15s ease, color 0.15s ease;
}

.nav-link:hover,
.nav-link.active {
	background: var(--color-primary-tint);
	color: var(--color-primary);
}

/* Profile dropdown — plain <details>/<summary>, no JS */

.profile {
	position: relative;
}

.profile-summary {
	display: flex;
	align-items: center;
	gap: 0.4rem;
	list-style: none;
	cursor: pointer;
	font-size: 0.9375rem;
	font-weight: 500;
	color: var(--color-text);
	padding: 0.45rem 0.8rem;
	border-radius: var(--radius);
	transition: background-color 0.15s ease;
}

.profile-summary::-webkit-details-marker {
	display: none;
}

.profile-summary:hover {
	background: var(--color-primary-tint);
}

.profile-caret {
	font-size: 0.625rem;
	color: var(--color-text-muted);
}

.profile-menu {
	position: absolute;
	right: 0;
	top: calc(100% + 0.4rem);
	display: flex;
	flex-direction: column;
	min-width: 160px;
	background: var(--glass-bg);
	backdrop-filter: blur(var(--glass-blur));
	-webkit-backdrop-filter: blur(var(--glass-blur));
	border: 1px solid var(--glass-border);
	border-radius: var(--radius-lg);
	padding: var(--space-1);
	box-shadow: var(--glass-shadow);
}

.profile-item {
	display: flex;
	align-items: center;
	gap: 0.35rem;
	font-size: 0.9375rem;
	color: var(--color-text);
	text-decoration: none;
	padding: 0.45rem 0.75rem;
	border-radius: var(--radius);
	transition: background-color 0.15s ease;
}

.profile-item:hover {
	background: var(--color-primary-tint);
}

.profile-item button {
	all: unset;
	width: 100%;
	cursor: pointer;
}

/* Page header */

.page-header {
	padding: var(--space-4) 0 var(--space-3);
}

.page-header h1 {
	font-size: 2rem;
	letter-spacing: -0.03em;
	margin: 0 0 0.25rem;
}

.page-subtitle {
	font-size: 1.125rem;
	color: var(--color-text-muted);
	margin: 0;
}

/* Card — plain vertical spacing around a page section */

.card {
	padding: var(--space-2) 0;
}

/* Buttons */

.btn {
	display: inline-flex;
	align-items: center;
	gap: var(--space-1);
	border: none;
	border-radius: var(--radius);
	padding: 0.6rem 1.25rem;
	font-size: 0.9375rem;
	font-weight: 500;
	cursor: pointer;
	text-decoration: none;
	transition: background-color 0.15s ease;
}

.btn-primary {
	background: var(--color-primary);
	color: var(--color-surface);
}

.btn-primary:hover {
	background: var(--color-primary-hover);
}

.btn-secondary {
	background: transparent;
	color: var(--color-text);
	border: 1px solid var(--color-border);
}

.btn-secondary:hover {
	background: var(--color-bg);
	border-color: var(--color-text-muted);
}

/* Empty state — reusable for any list/section with nothing in it yet */

.empty-state {
	color: var(--color-text-muted);
	font-size: 1.125rem;
	text-align: center;
	padding: 4rem 1rem;
	background: transparent;
	border: 1px dashed var(--color-border);
	border-radius: var(--radius);
}

/* Dashboard sections — home page */

.section-heading {
	font-size: 0.8125rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--color-text-muted);
	margin: 0 0 var(--space-2);
}

.stats-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--space-2);
	margin-bottom: var(--space-3);
}

.stat-tile-flat {
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
	padding: var(--space-3);
	background: var(--color-primary-tint);
	border-radius: var(--radius-lg);
	color: var(--color-primary-hover);
}

.stat-value {
	font-size: 2rem;
	font-weight: 600;
	letter-spacing: -0.02em;
}

.stat-label {
	font-size: 0.9375rem;
	font-weight: 500;
	opacity: 0.8;
}

.test-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
	gap: var(--space-2);
	margin-bottom: var(--space-3);
}

.test-card-flat {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 0.5rem;
	padding: var(--space-3);
	background: #f4efeb;
	border-radius: var(--radius-lg);
}

.test-card-title {
	margin: 0;
	font-size: 1.125rem;
	color: var(--color-text);
}

.test-card-description {
	margin: 0;
	color: var(--color-text-muted);
	font-size: 0.9375rem;
	margin-bottom: var(--space-1);
}

.level-badge {
	display: inline-flex;
	font-size: 0.75rem;
	font-weight: 600;
	color: var(--color-primary);
	background: rgba(181, 84, 31, 0.15);
	padding: 0.2rem 0.6rem;
	border-radius: var(--radius);
}

.card-flat {
	padding: 0 0 var(--space-3) 0;
}

.empty-state-flat {
	color: var(--color-primary-hover);
	font-size: 1.125rem;
	font-weight: 500;
	text-align: center;
	padding: 3rem 1rem;
	background: var(--color-primary-tint);
	border-radius: var(--radius-lg);
}

@media (max-width: 800px) {
	.stats-grid {
		grid-template-columns: 1fr;
	}
}

/* Public shell — landing, login, register. One-screen gradient, slim header,
   small footer. The signed-in app uses .navbar/.container instead. */

.public-page {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
	background:
		radial-gradient(circle at 12% 8%, rgba(181, 84, 31, 0.22), transparent 42%),
		radial-gradient(circle at 88% 25%, rgba(181, 84, 31, 0.14), transparent 38%);
}

.public-main {
	flex: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: var(--space-4) var(--space-2);
}

/* Hero */

.hero {
	text-align: center;
	padding: var(--space-4) var(--space-3);
}

.brand-mark {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	margin-bottom: var(--space-3);
	font-weight: 600;
	font-size: 1.5rem;
	color: var(--color-text);
	text-decoration: none;
}

.brand-mark .icon {
	width: 1.5rem;
	height: 1.5rem;
	color: var(--color-primary);
}

.hero h1 {
	max-width: 18ch;
	margin: 0 auto var(--space-2);
	font-size: 2.5rem;
	line-height: 1.15;
}

.eyebrow {
	display: block;
	font-size: 0.75rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--color-primary);
	margin-bottom: var(--space-2);
}

.hero-subtitle {
	max-width: 45ch;
	margin: 0 auto var(--space-4);
	font-size: 1.125rem;
	color: var(--color-text-muted);
	line-height: 1.5;
}

.hero-ctas {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-2);
}

/* Footer — small, no separate background, blends into the gradient */

.site-footer {
	padding: var(--space-2) 0;
	text-align: center;
}

.site-footer p {
	margin: 0;
	font-size: 0.75rem;
	color: var(--color-text-muted);
}

/* Auth card — the login/register counterpart to the landing hero, filling the
   same centered slot in .public-main. */

.auth-card {
	width: 100%;
	max-width: 24rem;
	padding: var(--space-4) var(--space-3);
	background: var(--glass-bg);
	backdrop-filter: blur(var(--glass-blur));
	-webkit-backdrop-filter: blur(var(--glass-blur));
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	box-shadow: var(--glass-shadow);
}

.auth-title {
	margin: 0 0 var(--space-3);
	font-size: 1.75rem;
	letter-spacing: -0.03em;
}

/* Form controls */

.auth-form {
	display: flex;
	flex-direction: column;
	gap: var(--space-2);
}

.field {
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
}

.field label {
	font-size: 0.8125rem;
	font-weight: 500;
	color: var(--color-text-muted);
}

.field input {
	padding: 0.6rem 0.75rem;
	font-family: inherit;
	font-size: 1rem;
	color: var(--color-text);
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input:focus {
	outline: none;
	border-color: var(--color-primary);
	box-shadow: 0 0 0 3px var(--color-primary-tint);
}

.btn-block {
	width: 100%;
	justify-content: center;
	margin-top: var(--space-1);
}

.btn:focus-visible {
	outline: 2px solid var(--color-primary);
	outline-offset: 2px;
}

/* Inline failure, sized to the message — unlike .empty-state, which is a
   whole-section placeholder. */
.form-error {
	margin: 0 0 var(--space-2);
	padding: 0.6rem 0.75rem;
	font-size: 0.9375rem;
	color: var(--color-danger);
	background: rgba(179, 38, 30, 0.08);
	border: 1px solid rgba(179, 38, 30, 0.2);
	border-radius: var(--radius);
}

/* Load-in animation */

@keyframes fade-up {
	from {
		opacity: 0;
		transform: translateY(12px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.reveal {
	animation: fade-up 0.6s ease both;
}

.hero h1.reveal {
	animation-delay: 0.1s;
}

.hero .hero-subtitle.reveal {
	animation-delay: 0.2s;
}

.hero .hero-ctas.reveal {
	animation-delay: 0.3s;
}

@media (prefers-reduced-motion: reduce) {
	.reveal {
		animation: none;
	}
}

/* Icons */

.icon {
	width: 1.15em;
	height: 1.15em;
	flex-shrink: 0;
	vertical-align: text-bottom;
}