/* The app's only stylesheet. General to specific: tokens, base, chrome, shared components, per-surface sections, animation. */

/* Tokens */

:root {
	--color-bg: #fbfcff;
	--color-surface: rgba(255, 255, 255, 0.75);
	--color-surface-hover: rgba(36, 35, 49, 0.04);
	--color-border: rgba(36, 35, 49, 0.1);
	--color-border-glow: rgba(36, 35, 49, 0.32);
	--color-text: #242331;
	--color-text-muted: #6b6880;

	--color-primary: #242331;
	--color-primary-tint: rgba(36, 35, 49, 0.07);

	--color-accent: #facc15;
	--color-accent-hover: #eab308;
	--color-accent-tint: rgba(250, 204, 21, 0.12);

	--color-danger: #dc2626;
	--color-danger-tint: rgba(220, 38, 38, 0.1);
	--color-danger-border: rgba(220, 38, 38, 0.28);

	--color-input-bg: rgba(36, 35, 49, 0.04);
	--color-input-bg-focus: rgba(255, 255, 255, 0.9);

	--color-on-primary: #ffffff;

	--color-on-accent: #242331;

	--shadow-sm: 0 4px 10px rgba(36, 35, 49, 0.06);
	--shadow-overlay: 0 20px 40px -10px rgba(36, 35, 49, 0.15), 0 0 20px rgba(250, 204, 21, 0.14);
	--shadow-glow: 0 0 16px rgba(250, 204, 21, 0.4);

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

	--radius-sm: 8px;
	--radius: 16px;
	--radius-lg: 24px;
	--radius-full: 9999px;

	/* System stack, no webfont: helmet's CSP blocks third-party scripts, styles and fonts. */
	--font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Reset & base */

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	min-height: 100vh;
	font-family: var(--font-sans);
	font-size: 1.0625rem;
	color: var(--color-text);
	background-color: var(--color-bg);
	background-image:
		radial-gradient(at 0% 0%, rgba(250, 204, 21, 0.14) 0, transparent 100%),
		radial-gradient(at 100% 100%, rgba(36, 35, 49, 0.06) 0, transparent 100%);
	background-attachment: fixed;
	-webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
	letter-spacing: -0.03em;
}

/* Layout */

.container {
	max-width: 1400px;
	margin: 0 auto;
	padding: 0 var(--space-4);
}

main {
	display: block;
	padding: 0 0 var(--space-4);
}

.page-header {
	padding: var(--space-3) 0 var(--space-2);
}

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

/* Navbar */

.navbar {
	position: sticky;
	top: 0;
	z-index: 50;
	display: flex;
	align-items: center;
	gap: var(--space-3);
	background: var(--color-surface);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	border-bottom: 1px solid var(--color-border);
	padding: var(--space-2) max(var(--space-4), calc(50vw - 700px + 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);
}

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

.nav-link.active {
	background: var(--color-accent-tint);
	color: var(--color-on-accent);
}

.nav-actions {
	display: flex;
	align-items: center;
	gap: var(--space-2);
	margin-left: auto;
}

@media (max-width: 640px) {
	.container {
		padding: 0 var(--space-2);
	}

	.navbar {
		gap: var(--space-1);
		padding: var(--space-2);
	}

	.nav-brand-text,
	.nav-link-text,
	.profile-name,
	.profile-caret {
		display: none;
	}
}

/* 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(--color-surface);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	padding: var(--space-1);
	box-shadow: var(--shadow-overlay);
}

.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;
}

/* Buttons */

.btn {
	display: inline-flex;
	align-items: center;
	gap: var(--space-1);
	border: 1px solid transparent;
	border-radius: var(--radius-full);
	padding: 0.6rem 1.25rem;
	font-size: 0.9375rem;
	font-weight: 600;
	cursor: pointer;
	text-decoration: none;
	transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.btn-primary {
	background: var(--color-accent);
	color: var(--color-on-accent);
	box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
	background: var(--color-accent-hover);
	box-shadow: var(--shadow-glow);
	transform: translateY(-2px);
}

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

.btn-secondary:hover {
	background: var(--color-surface-hover);
	border-color: var(--color-border-glow);
}

.btn-danger {
	background: var(--color-danger-tint);
	color: var(--color-danger);
	border-color: var(--color-danger-border);
}

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

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

.btn-lg {
	padding: 0.75rem 1.5rem;
	font-size: 1.125rem;
}

.btn-sm {
	padding: 0.35rem 0.85rem;
	font-size: 0.8125rem;
}

/* :hover is still matched on a disabled button, so both states are pinned here. */
.btn:disabled,
.btn:disabled:hover {
	color: var(--color-text-muted);
	background: var(--color-input-bg);
	border-color: var(--color-border);
	box-shadow: none;
	transform: none;
	cursor: not-allowed;
}

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

/* Forms */

.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,
.field select,
.field textarea {
	padding: 0.6rem 0.75rem;
	font-family: inherit;
	font-size: 1rem;
	color: var(--color-text);
	background: var(--color-input-bg);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
	outline: none;
	background: var(--color-input-bg-focus);
	border-color: var(--color-primary);
	box-shadow: 0 0 0 3px var(--color-accent-tint);
}

/* Horizontal drag would burst the dialog's width. */
.field textarea {
	resize: vertical;
}

.field-row {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-2);
}

.field-row .field {
	flex: 1;
	min-width: 8rem;
}

.form-error {
	margin: 0 0 var(--space-2);
	padding: 0.6rem 0.75rem;
	font-size: 0.9375rem;
	color: var(--color-danger);
	background: var(--color-danger-tint);
	border: 1px solid var(--color-danger-border);
	border-radius: var(--radius-sm);
}

/* Cards */

.card,
.auth-card,
.test-card,
.stat-tile,
.detail-grid,
.response-card,
.part-card {
	background: var(--color-surface);
	backdrop-filter: blur(12px);
	-webkit-backdrop-filter: blur(12px);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-sm);
}

.card,
.stat-tile {
	transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover,
.stat-tile:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-overlay);
	border-color: var(--color-border-glow);
}

.card {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 0.5rem;
	padding: var(--space-3);
}

/* Modal - a native [popover], so the top layer, Esc and click-outside dismiss are
   the browser's. Opaque, not the translucent surface: it sits over live content. */

.modal {
	width: min(34rem, calc(100vw - 2 * var(--space-2)));
	max-height: calc(100vh - 2 * var(--space-4));
	overflow-y: auto;
	padding: var(--space-3);
	color: var(--color-text);
	background: var(--color-bg);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-overlay);
}

.modal::backdrop {
	background: rgba(36, 35, 49, 0.35);
}

.modal-head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: var(--space-2);
	margin-bottom: var(--space-2);
}

.modal-title {
	margin: 0;
	font-size: 1.25rem;
}

.modal-close {
	padding: 0 0.25rem;
	font-size: 1.5rem;
	line-height: 1;
	color: var(--color-text-muted);
	background: none;
	border: 0;
	cursor: pointer;
}

.modal-close:hover {
	color: var(--color-text);
}

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

.modal-note {
	margin: 0;
	font-size: 0.8125rem;
	color: var(--color-text-muted);
}

.modal-actions {
	display: flex;
	flex-wrap: wrap;
	justify-content: flex-end;
	gap: var(--space-1);
}

/* Its own form, so it can't submit with the edit above it. */
.modal-danger {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: var(--space-1);
	margin-top: var(--space-3);
	padding-top: var(--space-2);
	border-top: 1px solid var(--color-border);
}

/* Badges & pills */

.level-badge {
	display: inline-flex;
	font-size: 0.75rem;
	font-weight: 600;
	color: var(--color-primary);
	background: var(--color-primary-tint);
	padding: 0.2rem 0.6rem;
	border-radius: var(--radius-sm);
}

.scope-badge {
	display: inline-flex;
	font-size: 0.75rem;
	font-weight: 600;
	color: var(--color-on-accent);
	background: var(--color-accent-tint);
	padding: 0.2rem 0.6rem;
	border-radius: var(--radius-sm);
}

.eyebrow {
	display: block;
	font-size: 0.8125rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--color-primary);
	margin-bottom: var(--space-2);
}

/* Section headers */

.section-head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: var(--space-2);
}

.section-link {
	font-size: 0.875rem;
	font-weight: 500;
	color: var(--color-primary);
	text-decoration: none;
}

.section-link:hover {
	text-decoration: underline;
}

/* Candidate - dashboard and test catalogue */

.filter-chips {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-1);
	margin-bottom: var(--space-3);
}

.chip {
	font-size: 0.875rem;
	font-weight: 500;
	color: var(--color-text-muted);
	text-decoration: none;
	padding: 0.35rem 0.75rem;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-full);
	transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

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

.chip.is-active {
	background: var(--color-accent-tint);
	color: var(--color-on-accent);
	border-color: transparent;
}

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

/* auto-fill, not auto-fit: a lone card keeps its width instead of stretching. */
.test-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
	gap: var(--space-3);
	margin-bottom: var(--space-3);
}

.card-tags {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.4rem;
}

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

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

.empty-state-flat {
	color: var(--color-text-muted);
	font-size: 0.9375rem;
	padding: var(--space-3) 0;
}

/* Admin - dashboard, list tables, attempt detail */

.hero-banner {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: space-between;
	overflow: hidden;
	background: linear-gradient(135deg, var(--color-accent-tint), transparent);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	padding: var(--space-3);
	margin-bottom: var(--space-3);
}

.hero-banner-content {
	flex: 1;
	max-width: 60%;
	z-index: 1;
}

.hero-banner-title {
	font-size: 1.75rem;
	margin: 0 0 var(--space-1);
	color: var(--color-text);
	letter-spacing: -0.02em;
}

.hero-banner-text {
	font-size: 1.0625rem;
	color: var(--color-text-muted);
	margin: 0;
	line-height: 1.5;
}

.hero-banner-illustration {
	position: absolute;
	right: var(--space-3);
	top: 50%;
	transform: translateY(-50%);
	z-index: 0;
	opacity: 0.9;
}

.stat-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
	gap: var(--space-2);
	margin-bottom: var(--space-3);
}

.stat-tile {
	display: flex;
	flex-direction: row;
	align-items: center;
	gap: var(--space-3);
	padding: var(--space-3);
}

.stat-icon-wrap {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 3rem;
	height: 3rem;
	flex-shrink: 0;
	border-radius: 50%;
	background: var(--color-primary-tint);
	color: var(--color-primary);
}

.stat-icon-wrap .icon {
	width: 24px;
	height: 24px;
}

.stat-info {
	display: flex;
	flex-direction: column;
	gap: 0.25rem;
}

.stat-value {
	font-size: 2rem;
	font-weight: 700;
	line-height: 1;
}

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

/* Narrow screens scroll the table sideways rather than crushing the columns. */
.data-table-wrap {
	overflow-x: auto;
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-sm);
	margin-bottom: var(--space-3);
}

.data-table {
	width: 100%;
	border-collapse: separate;
	border-spacing: 0;
	font-size: 0.9375rem;
}

.data-table th,
.data-table td {
	text-align: left;
	padding: var(--space-2) var(--space-3);
	border-bottom: 1px solid var(--color-border);
}

.data-table th {
	font-size: 0.8125rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--color-text-muted);
	background: rgba(36, 35, 49, 0.03);
}

.data-table tbody tr {
	transition: background-color 0.15s ease;
}

.data-table tbody tr:hover {
	background: var(--color-surface-hover);
}

.data-table tbody tr:last-child td {
	border-bottom: none;
}

/* Tabular figures so counts don't jitter. */
.data-table .numeric {
	text-align: right;
	font-variant-numeric: tabular-nums;
}

.data-table a {
	color: inherit;
	text-decoration: none;
}

.data-table a:hover .cell-title {
	color: var(--color-primary);
	text-decoration: underline;
}

/* Inline controls, in a table cell or on a card. */
.row-actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--space-1);
}

.cell-stack {
	display: flex;
	flex-direction: column;
	gap: 0.1rem;
}

.cell-title {
	font-weight: 500;
}

.cell-sub,
.muted {
	color: var(--color-text-muted);
	font-size: 0.875rem;
}

.candidate-with-avatar {
	display: flex;
	align-items: center;
	gap: var(--space-2);
}

.candidate-avatar {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 2.25rem;
	height: 2.25rem;
	flex-shrink: 0;
	border-radius: 50%;
	background: var(--color-primary-tint);
	color: var(--color-primary);
	font-weight: 600;
	font-size: 0.875rem;
	text-transform: uppercase;
}

.back-link {
	margin: 0 0 var(--space-2);
}

.back-link a {
	font-size: 0.875rem;
	color: var(--color-text-muted);
	text-decoration: none;
}

.back-link a:hover {
	color: var(--color-primary);
}

.status-pill {
	display: inline-flex;
	font-size: 0.75rem;
	font-weight: 600;
	text-transform: capitalize;
	white-space: nowrap;
	color: var(--color-text);
	background: var(--color-bg);
	border: 1px solid var(--color-border);
	padding: 0.2rem 0.6rem;
	border-radius: var(--radius-sm);
}

.status-pill.is-in_progress,
.status-pill.is-published {
	color: var(--color-on-accent);
	background: var(--color-accent-tint);
	border-color: transparent;
}

.status-pill.is-draft,
.status-pill.is-abandoned {
	color: var(--color-text-muted);
	background: transparent;
	border-style: dashed;
}

/* Attempt detail */

.detail-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
	gap: var(--space-3);
	padding: var(--space-3);
	margin-bottom: var(--space-4);
}

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

.detail-label {
	font-size: 0.75rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--color-text-muted);
}

.response-card {
	padding: var(--space-3);
	margin-bottom: var(--space-2);
}

.response-head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: var(--space-2);
	margin-bottom: var(--space-1);
}

.response-part {
	font-size: 0.75rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--color-text-muted);
}

.response-prompt {
	margin: 0 0 var(--space-2);
	font-weight: 500;
}

.transcript {
	margin: 0;
	padding: var(--space-2);
	background: var(--color-bg);
	border-radius: var(--radius-sm);
	white-space: pre-wrap;
}

/* Test editor */

.editor-bar {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-1);
	margin: var(--space-3) 0;
}

.part-card {
	padding: var(--space-3);
	margin-bottom: var(--space-2);
}

.part-head {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: var(--space-2);
}

.part-instructions {
	margin: var(--space-1) 0 0;
	font-size: 0.9375rem;
	color: var(--color-text-muted);
}

.question-list {
	margin-top: var(--space-2);
}

.question-row {
	display: flex;
	align-items: flex-start;
	gap: var(--space-2);
	padding: var(--space-1) 0;
	border-top: 1px solid var(--color-border);
}

.question-row .cell-stack {
	flex: 1;
}

.question-index {
	font-size: 0.8125rem;
	font-weight: 600;
	color: var(--color-text-muted);
	font-variant-numeric: tabular-nums;
}

.part-footer {
	margin-top: var(--space-2);
}

/* Public shell - landing and login */

.public-page,
.test-page {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}

/* Anchors the absolutely positioned .test-exit. */
.test-page {
	position: relative;
}

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

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

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

/* Landing page */

.hero-premium {
	position: relative;
	width: 100%;
	padding: var(--space-4) 0;
	text-align: center;
	overflow: hidden;
}

.ambient-glow {
	position: absolute;
	top: -50%;
	left: 50%;
	transform: translateX(-50%);
	width: 800px;
	height: 800px;
	background: radial-gradient(circle, var(--color-accent-tint) 0%, transparent 60%);
	z-index: -1;
	opacity: 0.8;
}

.hero-premium-content {
	max-width: 800px;
	margin: 0 auto;
	display: flex;
	flex-direction: column;
	align-items: center;
}

.hero-premium h1 {
	font-size: clamp(2.5rem, 6vw, 4.5rem);
	line-height: 1.1;
	margin: 0 0 var(--space-3);
	font-weight: 700;
}

.hero-premium-subtitle {
	font-size: clamp(1.125rem, 2vw, 1.375rem);
	line-height: 1.6;
	color: var(--color-text-muted);
	max-width: 600px;
	margin: 0 auto var(--space-4);
}

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

/* Auth card */

.auth-card {
	width: 100%;
	max-width: 24rem;
	padding: var(--space-4) var(--space-3);
}

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

.auth-subtitle {
	margin: 0 0 var(--space-3);
	color: var(--color-text-muted);
	font-size: 0.9375rem;
	line-height: 1.5;
}

.auth-status {
	margin: var(--space-2) 0 0;
	text-align: center;
	color: var(--color-text-muted);
	font-size: 0.875rem;
}

/* Test mode */

.test-card {
	width: 100%;
	max-width: 42rem;
	padding: var(--space-4) var(--space-3);
}

.test-prompt {
	margin: 0 0 var(--space-3);
	font-size: 1.5rem;
	line-height: 1.3;
	letter-spacing: -0.02em;
}

/* Capped in both axes: a picture task must not push the timer off the screen. */
.test-image {
	display: block;
	max-width: 100%;
	max-height: 40vh;
	margin: 0 auto var(--space-3);
	border: 1px solid var(--color-border);
	border-radius: var(--radius);
	object-fit: contain;
}

/* Mic - ready-screen check and in-test recording indicator */

.mic-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 4.5rem;
	height: 4.5rem;
	padding: 0;
	color: var(--color-text-muted);
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: 50%;
	cursor: pointer;
	transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.mic-button .icon {
	width: 1.75rem;
	height: 1.75rem;
}

.mic-button.is-live {
	color: var(--color-on-primary);
	background: var(--color-danger);
	border-color: var(--color-danger);
	animation: mic-pulse 1.6s ease-in-out infinite;
}

/* Driven by the timer, so it doesn't invite a click. */
.mic-button-static {
	cursor: default;
}

.mic-check {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--space-2);
	margin-bottom: var(--space-3);
}

.mic-meter {
	width: 100%;
	max-width: 16rem;
	height: 0.375rem;
	background: var(--color-primary);
	border-radius: var(--radius-full);
	overflow: hidden;
}

.mic-meter-fill {
	width: 0;
	height: 100%;
	background: var(--color-accent);
	border-radius: inherit;
	transition: width 0.08s linear;
}

/* Countdown */

.test-stage {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--space-2);
	padding-top: var(--space-2);
}

.test-phase {
	margin: 0;
	font-size: 0.8125rem;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--color-text-muted);
}

.test-countdown {
	margin: 0;
	font-size: 2.5rem;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
	letter-spacing: -0.02em;
}

.test-exit {
	position: absolute;
	top: var(--space-2);
	right: var(--space-3);
	font-size: 0.8125rem;
	color: var(--color-text-muted);
	text-decoration: none;
}

/* A link on a finished attempt, a form's button on a live one - same control either way. */
.test-exit button {
	padding: 0;
	border: 0;
	background: none;
	font: inherit;
	color: inherit;
	cursor: pointer;
}

.test-exit:hover,
.test-exit button:hover {
	color: var(--color-text);
}

/* Animation */

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

/* --color-danger at decreasing alpha; a keyframe can't interpolate a token's alpha. */
@keyframes mic-pulse {
	0%, 100% {
		box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.35);
	}
	50% {
		box-shadow: 0 0 0 0.75rem rgba(239, 68, 68, 0);
	}
}

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

.hero-premium .reveal:nth-child(2) {
	animation-delay: 0.1s;
}

.hero-premium .reveal:nth-child(3) {
	animation-delay: 0.2s;
}

.test-grid .card {
	animation: fade-up 0.6s ease both;
}

.test-grid .card:nth-child(2) {
	animation-delay: 0.08s;
}

.test-grid .card:nth-child(3) {
	animation-delay: 0.16s;
}

.test-grid .card:nth-child(n + 4) {
	animation-delay: 0.24s;
}

@media (prefers-reduced-motion: reduce) {
	/* The pulse is the only infinite animation here, and it runs for a whole exam.
	   Safe to drop: .is-live still reads as live through its colour and the phase label. */
	.reveal,
	.test-grid .card,
	.mic-button.is-live {
		animation: none;
	}

	.btn,
	.card,
	.stat-tile {
		transition: none;
	}

	.btn-primary:hover,
	.card:hover,
	.stat-tile:hover {
		transform: none;
	}
}

/* Focus - every interactive element, not just buttons. */

.nav-link:focus-visible,
.nav-brand:focus-visible,
.chip:focus-visible,
.section-link:focus-visible,
.back-link a:focus-visible,
.test-exit:focus-visible,
.test-exit button:focus-visible,
.profile-summary:focus-visible,
.profile-item button:focus-visible,
.modal-close:focus-visible,
.data-table a:focus-visible {
	outline: 2px solid var(--color-primary);
	outline-offset: 2px;
	border-radius: var(--radius-sm);
}

/* Icons */

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

/* Scrollbars - Chromium only. */

::-webkit-scrollbar {
	width: 10px;
	height: 10px;
}

::-webkit-scrollbar-track {
	background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
	background: var(--color-border);
	border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
	background: var(--color-text-muted);
}