/**
 * IABT English Placement Test — Public Styles.
 *
 * Follows the IABT CSS Variable Adoption Strategy.
 * All colors/typography use --iabt-* tokens exclusively.
 * Buttons defer to the global .iabt-btn system (iabt-buttons.css).
 * Inputs use .iabt-input from iabt-forms.css.
 */

/* ==========================================================================
   1. REGISTRATION & VERIFICATION FORMS
   ========================================================================== */

.iabt-ept-form-wrapper {
	max-width: 520px;
	margin: 3rem auto;
	font-family: var(--iabt-font-family);
	color: var(--iabt-text-body);
}

.iabt-ept-page-title {
	margin: 0 0 12px;
	color: var(--iabt-text-heading);
	font-size: clamp(var(--iabt-h3), 4vw, var(--iabt-h1));
	font-weight: var(--iabt-font-bold);
	line-height: var(--iabt-line-height-tight);
	letter-spacing: var(--iabt-letter-spacing-tight);
	text-align: center;
}

.iabt-ept-form-card {
	background: var(--iabt-bg-main);
	border: 1px solid hsl(var(--iabt-primary-hsl), 0.16);
	border-radius: 16px;
	padding: 30px;
	box-shadow: 0 10px 30px hsl(var(--iabt-primary-hsl), 0.08);
	margin-top: 24px;
}

.iabt-ept-form-card__heading {
	margin: 0 0 6px;
	font-size: var(--iabt-h4);
	font-weight: var(--iabt-font-semibold);
	color: var(--iabt-text-heading);
	line-height: var(--iabt-line-height-heading);
}

.iabt-ept-form-card__description {
	margin: 0 0 24px;
	font-size: var(--iabt-text-base);
	color: var(--iabt-text-body);
	line-height: var(--iabt-line-height-body);
}

.iabt-ept-form-card a.iabt-ept-back-link {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	margin-bottom: 16px;
	color: var(--iabt-text-muted);
	font-size: var(--iabt-text-sm);
	font-weight: var(--iabt-font-medium);
	text-decoration: none;
	transition: color 0.2s ease;
}

.iabt-ept-form-card a.iabt-ept-back-link:hover {
	color: var(--iabt-primary);
}

.iabt-ept-back-link svg {
	width: 16px;
	height: 16px;
	flex-shrink: 0;
}

.iabt-ept-form-group {
	margin-bottom: 16px;
}

.iabt-ept-form-group label {
	display: block;
	margin: 0 0 4px;
	padding: 0 6px;
	color: var(--iabt-text-heading);
	font-family: var(--iabt-font-family);
	font-size: var(--iabt-text-sm);
	font-weight: var(--iabt-font-semibold);
	letter-spacing: var(--iabt-ui-letter-spacing);
	line-height: var(--iabt-line-height-body);
}

.iabt-ept-form-group .required {
	color: var(--iabt-error);
}

.iabt-ept-form-actions {
	margin-top: 24px;
	display: flex;
	align-items: center;
	gap: 10px;
}

.iabt-ept-form-actions--verify {
	justify-content: center;
	flex-wrap: wrap;
}

.iabt-ept-resend-hint {
	text-align: center;
	margin: 16px 0 0;
	font-size: var(--iabt-text-sm);
	color: var(--iabt-text-muted);
	line-height: var(--iabt-line-height-body);
}

.iabt-ept-resend-link {
	background: none;
	border: none;
	padding: 0;
	font: inherit;
	font-size: var(--iabt-text-sm);
	font-weight: var(--iabt-font-semibold);
	color: var(--iabt-primary);
	cursor: pointer;
	text-decoration: underline;
	text-underline-offset: 2px;
	transition:
		color 0.2s ease,
		opacity 0.2s ease;
}

.iabt-ept-resend-link:hover {
	color: var(--iabt-primary);
	opacity: 0.8;
}

.iabt-ept-resend-link:disabled {
	color: var(--iabt-text-muted);
	cursor: default;
	text-decoration: none;
	opacity: 0.6;
}

#iabt-ept-resend-timer {
	font-size: var(--iabt-text-sm);
	color: var(--iabt-text-muted);
}

.iabt-ept-verify-link-container {
	text-align: center;
	margin-top: 16px;
	margin-bottom: 0;
}

.iabt-ept-verify-link-container a {
	color: var(--iabt-text-muted);
	font-size: var(--iabt-text-sm);
	text-decoration: underline;
	text-underline-offset: 2px;
	transition: color 0.2s ease;
}

.iabt-ept-verify-link-container a:hover {
	color: var(--iabt-primary);
}

/* Messages */
.iabt-ept-message {
	margin-top: 16px;
	padding: 14px 16px;
	border-radius: 10px;
	font-size: var(--iabt-text-sm);
	line-height: var(--iabt-line-height-body);
}

.iabt-ept-message.success {
	background: hsl(var(--iabt-success-hsl), 0.08);
	color: var(--iabt-success);
	border: 1px solid hsl(var(--iabt-success-hsl), 0.2);
}

.iabt-ept-message.error {
	background: hsl(var(--iabt-error-hsl), 0.08);
	color: var(--iabt-error);
	border: 1px solid hsl(var(--iabt-error-hsl), 0.2);
}

/* Spinner */
.iabt-ept-spinner {
	display: inline-block;
	width: 1em;
	height: 1em;
	border: 2px solid currentColor;
	border-right-color: transparent;
	border-radius: 50%;
	animation: iabt-ept-spin 0.75s linear infinite;
}

@keyframes iabt-ept-spin {
	to {
		transform: rotate(360deg);
	}
}

/* ==========================================================================
   2. FULLSCREEN MODE
   ========================================================================== */

body.iabt-ept-fullscreen #iabt-custom-header,
body.iabt-ept-fullscreen #iabt-custom-footer,
body.iabt-ept-fullscreen #iabt-chatbot-widget,
body.iabt-ept-fullscreen .footer-curve-container,
body.iabt-ept-fullscreen .inner-heros-warp {
	display: none !important;
}

body.iabt-ept-fullscreen #content {
	padding: 0;
	margin: 0;
}

body.iabt-ept-fullscreen .page-main-content {
	padding-top: 0;
	padding-bottom: 0;
	overflow: visible;
}

body.iabt-ept-fullscreen .container {
	max-width: 100%;
	padding-left: 0;
	padding-right: 0;
}

body.iabt-ept-fullscreen .page-area {
	padding: 0;
	margin: 0;
}

 .page-main-content .entry-content a.iabt-btn {
	color: revert-layer;
}

.page-main-content .entry-content a.iabt-btn--filled {
	color: var(--iabt-bg-main);
	text-decoration: none;
}

 .page-main-content .entry-content a.iabt-btn--outlined {
	color: var(--iabt-primary);
}

body.iabt-ept-fullscreen .iabt-ept-test-container {
	max-width: 100%;
	min-height: 100vh;
	margin: 0;
	padding: 0;
	border-radius: 0;
	box-shadow: none;
	background: var(--iabt-bg-soft);
}

/* ==========================================================================
   3. STICKY TOOLBAR (Timer + Progress + Nav)
   ========================================================================== */

.iabt-ept-test-container {
	font-family: var(--iabt-font-family);
	color: var(--iabt-text-body);
	position: relative;
}

.iabt-ept-test-container::before {
	display: none;
}

.iabt-ept-toolbar {
	position: sticky;
	top: 0;
	z-index: 100;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 12px 24px;
	background: var(--iabt-bg-main);
	border-bottom: 1px solid var(--iabt-border);
	box-shadow: 0 2px 8px hsl(var(--iabt-primary-hsl), 0.06);
}

.iabt-ept-toolbar__left {
	display: flex;
	align-items: center;
	gap: 8px;
	flex-shrink: 0;
}

.iabt-ept-toolbar__center {
	display: flex;
	align-items: center;
	gap: 12px;
	flex: 1 1 auto;
	min-width: 0;
	justify-content: center;
}

.iabt-ept-toolbar__right {
	display: flex;
	align-items: center;
	gap: 8px;
	flex-shrink: 0;
}

.iabt-ept-timer-label {
	font-weight: var(--iabt-font-semibold);
	letter-spacing: var(--iabt-ui-letter-spacing);
	text-transform: uppercase;
	font-size: var(--iabt-text-xs);
	color: var(--iabt-text-muted);
}

.iabt-ept-timer {
	font-size: var(--iabt-h4);
	font-weight: var(--iabt-font-bold);
	color: var(--iabt-primary);
	font-variant-numeric: tabular-nums;
	line-height: 1;
}

.iabt-ept-timer.warning {
	color: var(--iabt-error);
	animation: iabt-pulse 1.5s infinite ease-in-out;
}

@keyframes iabt-pulse {
	0%,
	100% {
		opacity: 1;
		transform: scale(1);
	}
	50% {
		opacity: 0.8;
		transform: scale(1.02);
	}
}

.iabt-ept-progress-container {
	flex: 1 1 auto;
	max-width: 320px;
	height: 4px;
	background: var(--iabt-border);
	border-radius: 2px;
	position: relative;
}

.iabt-ept-progress-bar {
	height: 100%;
	background: var(--iabt-primary);
	border-radius: 2px;
	width: 0;
	transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.iabt-ept-progress-text {
	font-size: var(--iabt-text-xs);
	font-weight: var(--iabt-font-semibold);
	color: var(--iabt-text-muted);
	white-space: nowrap;
	font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   4. TEST BODY (Question area + Sidebar layout)
   ========================================================================== */

.iabt-ept-test-body {
	display: flex;
	gap: 0;
	min-height: calc(100vh - 64px);
}

.iabt-ept-question-area {
	flex: 1 1 auto;
	min-height: 450px;
	padding: 32px 40px;
}

/* Passage */
.iabt-ept-passage {
	background: var(--iabt-bg-soft);
	padding: 24px;
	border-radius: 14px;
	margin-bottom: 28px;
	line-height: var(--iabt-line-height-body);
	font-size: var(--iabt-text-lg);
	border: 1px solid var(--iabt-border);
	position: relative;
}

.iabt-ept-passage::after {
	content: 'Reading Passage';
	position: absolute;
	top: -10px;
	left: 20px;
	background: var(--iabt-primary);
	color: var(--iabt-bg-main);
	font-size: 10px;
	padding: 2px 10px;
	border-radius: var(--iabt-radius-pill);
	text-transform: uppercase;
	letter-spacing: 1px;
}

/* Audio */
.iabt-ept-audio-container {
	margin-bottom: 24px;
	padding: 1rem;
	background: var(--iabt-bg-soft);
	border-radius: var(--iabt-radius-pill);
	display: inline-flex;
	border: 1px solid var(--iabt-border);
}

/* Question text */
.iabt-ept-question-text {
	font-size: var(--iabt-h3);
	font-weight: var(--iabt-font-semibold);
	color: var(--iabt-text-heading);
	margin-bottom: 24px;
	line-height: var(--iabt-line-height-heading);
}

/* ==========================================================================
   5. OPTIONS / RADIO (matching iabt-forms radio pattern)
   ========================================================================== */

.iabt-ept-options {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 12px;
}

.iabt-ept-option {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 14px 18px;
	background: var(--iabt-bg-main);
	border: 1px solid var(--iabt-border);
	border-radius: 10px;
	cursor: pointer;
	transition:
		border-color 0.2s ease,
		background-color 0.2s ease,
		transform 0.15s ease;
}

.iabt-ept-option:hover {
	border-color: var(--iabt-primary);
	background: var(--iabt-bg-soft);
	transform: translateX(3px);
}

.iabt-ept-option input[type='radio'] {
	-webkit-appearance: none;
	appearance: none;
	width: 18px;
	height: 18px;
	margin: 0;
	border: 2px solid hsl(var(--iabt-primary-hsl), 0.45);
	border-radius: 50%;
	background-color: var(--iabt-bg-main);
	position: relative;
	display: inline-block;
	vertical-align: middle;
	flex-shrink: 0;
	transition:
		border-color 0.2s ease,
		box-shadow 0.2s ease;
}

.iabt-ept-option input[type='radio']::before {
	content: '';
	position: absolute;
	top: 50%;
	left: 50%;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background-color: var(--iabt-primary);
	transform: translate(-50%, -50%) scale(0);
	transform-origin: center;
	transition: transform 0.2s ease;
}

.iabt-ept-option input[type='radio']:checked {
	border-color: var(--iabt-primary);
}

.iabt-ept-option input[type='radio']:checked::before {
	transform: translate(-50%, -50%) scale(1);
}

.iabt-ept-option input[type='radio']:focus-visible {
	outline: none;
	box-shadow: 0 0 0 3px var(--iabt-focus-ring);
}

.iabt-ept-option-label {
	font-size: var(--iabt-text-base);
	font-weight: var(--iabt-font-medium);
	color: var(--iabt-text-body);
	transition: color 0.2s ease;
}

.iabt-ept-option input[type='radio']:checked ~ .iabt-ept-option-label {
	color: var(--iabt-primary);
}

/* ==========================================================================
   6. QUESTION NAVIGATOR (Side Panel)
   ========================================================================== */

.iabt-ept-tracker {
	width: 340px;
	flex-shrink: 0;
	position: sticky;
	top: 64px;
	height: calc(100vh - 64px);
	overflow-y: auto;
	background: var(--iabt-bg-main);
	border-left: 1px solid var(--iabt-border);
	padding: 20px;
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.iabt-ept-tracker__title {
	margin: 0;
	font-size: var(--iabt-text-sm);
	font-weight: var(--iabt-font-semibold);
	color: var(--iabt-text-heading);
	text-transform: uppercase;
	letter-spacing: var(--iabt-ui-letter-spacing);
}

.iabt-ept-tracker__grid {
	display: grid;
	grid-template-columns: repeat(9, 1fr);
	gap: 6px;
}

.iabt-ept-tracker__item {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	aspect-ratio: 1;
	border: 1px solid var(--iabt-border);
	border-radius: 8px;
	background: var(--iabt-bg-main);
	color: var(--iabt-text-body);
	font-size: var(--iabt-text-sm);
	font-weight: var(--iabt-font-medium);
	cursor: default;
	transition: all 0.15s ease;
	padding: 0;
}

.iabt-ept-tracker__item--answered {
	background: hsl(var(--iabt-primary-hsl), 0.1);
	border-color: hsl(var(--iabt-primary-hsl), 0.3);
	color: var(--iabt-primary);
}

.iabt-ept-tracker__item--current {
	background: var(--iabt-primary);
	border-color: var(--iabt-primary);
	color: var(--iabt-bg-main);
	font-weight: var(--iabt-font-bold);
}

.iabt-ept-tracker__legend {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: auto;
	padding-top: 12px;
	border-top: 1px solid var(--iabt-border);
}

.iabt-ept-tracker__legend-item {
	display: flex;
	align-items: center;
	gap: 6px;
	font-size: var(--iabt-text-xs);
	color: var(--iabt-text-muted);
}

.iabt-ept-tracker__legend-swatch {
	width: 12px;
	height: 12px;
	border-radius: 4px;
	border: 1px solid var(--iabt-border);
}

.iabt-ept-tracker__legend-swatch--answered {
	background: hsl(var(--iabt-primary-hsl), 0.1);
	border-color: hsl(var(--iabt-primary-hsl), 0.3);
}

.iabt-ept-tracker__legend-swatch--current {
	background: var(--iabt-primary);
	border-color: var(--iabt-primary);
}

.iabt-ept-tracker__legend-swatch--unanswered {
	background: var(--iabt-bg-main);
}

/* Mobile tracker toggle button */
.iabt-ept-tracker-toggle {
	display: none;
	position: fixed;
	bottom: 20px;
	right: 20px;
	z-index: 200;
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: var(--iabt-primary);
	color: var(--iabt-bg-main);
	border: none;
	box-shadow: 0 4px 16px hsl(var(--iabt-primary-hsl), 0.3);
	cursor: pointer;
	align-items: center;
	justify-content: center;
	transition:
		transform 0.2s ease,
		box-shadow 0.2s ease;
}

.iabt-ept-tracker-toggle:hover {
	transform: scale(1.08);
	box-shadow: 0 6px 20px hsl(var(--iabt-primary-hsl), 0.4);
}

.iabt-ept-tracker-toggle svg {
	width: 22px;
	height: 22px;
}

/* ==========================================================================
   7. POST-TEST FEEDBACK
   ========================================================================== */

.iabt-ept-feedback {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	padding: 60px 24px;
	min-height: 60vh;
	gap: 16px;
}

.iabt-ept-feedback__icon {
	width: 72px;
	height: 72px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-bottom: 8px;
}

.iabt-ept-feedback__icon--success {
	background: hsl(var(--iabt-success-hsl), 0.12);
	color: var(--iabt-success);
}

.iabt-ept-feedback__icon--error {
	background: hsl(var(--iabt-error-hsl), 0.12);
	color: var(--iabt-error);
}

.iabt-ept-feedback__icon--warning {
	background: hsl(var(--iabt-warning-hsl), 0.12);
	color: var(--iabt-warning);
}

.iabt-ept-feedback__icon svg {
	width: 36px;
	height: 36px;
}

.iabt-ept-feedback__heading {
	margin: 0;
	font-size: var(--iabt-h2);
	font-weight: var(--iabt-font-bold);
	color: var(--iabt-text-heading);
	line-height: var(--iabt-line-height-heading);
}

.iabt-ept-feedback__message {
	margin: 0;
	font-size: var(--iabt-text-lg);
	color: var(--iabt-text-body);
	line-height: var(--iabt-line-height-body);
	max-width: 480px;
}

.iabt-ept-feedback .iabt-btn {
	margin-top: 8px;
}

.iabt-ept-feedback__actions {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 4px;
	margin-top: 8px;
}

/* Loading state */
.iabt-ept-loading-questions {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 12px;
	min-height: 300px;
	color: var(--iabt-text-muted);
}

/* ==========================================================================
   8. RESPONSIVE
   ========================================================================== */

@media (max-width: 960px) {
	/* Tracker becomes bottom sheet on mobile */
	.iabt-ept-tracker {
		display: none;
		position: fixed;
		bottom: 0;
		left: 0;
		right: 0;
		top: auto;
		width: 100%;
		height: auto;
		max-height: 50vh;
		border-left: none;
		border-top: 1px solid var(--iabt-border);
		border-radius: 16px 16px 0 0;
		box-shadow: 0 -4px 20px hsl(var(--iabt-primary-hsl), 0.12);
		z-index: 150;
		flex-direction: column;
	}

	.iabt-ept-tracker.is-open {
		display: flex;
	}

	.iabt-ept-tracker-toggle {
		display: flex;
	}

	.iabt-ept-question-area {
		padding: 20px 16px;
	}

	.iabt-ept-test-body {
		flex-direction: column;
	}
}

@media (max-width: 768px) {
	.iabt-ept-form-wrapper {
		margin: 1.5rem 1rem;
	}

	.iabt-ept-form-card {
		padding: 20px;
		border-radius: 14px;
	}

	/* Toolbar responsive: two rows */
	.iabt-ept-toolbar {
		flex-wrap: wrap;
		padding: 10px 16px;
		gap: 8px;
	}

	.iabt-ept-toolbar__left {
		order: 1;
	}

	.iabt-ept-toolbar__center {
		order: 2;
		flex-basis: auto;
	}

	.iabt-ept-toolbar__right {
		order: 3;
		width: 100%;
		justify-content: center;
		padding-top: 6px;
		border-top: 1px solid var(--iabt-border);
	}

	.iabt-ept-options {
		grid-template-columns: 1fr;
	}

	.iabt-ept-passage {
		padding: 16px;
	}
}