/* --- Global Styles & Light Blue / Red Aesthetic --- */
:root {
    --primary-color: #1d6fa5; /* Clean, friendly light/medium blue */
    --secondary: #0d9488;      /* Secondary brand teal used in accents */
    --accent-color: #d63535;  /* Vibrant red accent */
    --bg-color: #f7f9fa;      /* Crisp, clean off-white background */
    --text-color: #2b2b2b;    /* Dark charcoal for readable text */
    --card-bg: #ffffff;
    --border-color: #e1e8ed;
    --max-width: 1100px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

html {
    scroll-behavior: smooth;
}

.zona-alumnos-visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.zona-alumnos-lock-button {
    flex: 0 0 auto;
    padding: 0.5rem 1rem;
    border: 2px solid #d63535;
    border-radius: 6px;
    background: #d63535;
    color: #fff;
    cursor: pointer;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 700;
}

.zona-alumnos-lock-button:hover {
    border-color: #b42a2a;
    background: #b42a2a;
}

section[id], h3[id] {
    scroll-margin-top: 110px;
}

/* --- Navigation --- */
header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

/* --- Logo Sizing (25% larger than 60px) --- */
.logo-link img {
    height: 75px;
    width: auto;
    display: block;
    object-fit: contain;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent-color);
}

/* --- Layout & Containers --- */
main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem 2rem;
}

section {
    margin-bottom: 3rem;
}

.calendar-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(29, 111, 165, 0.06);
    padding: 2.5rem;
    margin-bottom: 2.5rem;
}

.calendar-card h2 {
    margin-bottom: 0.5rem;
}

.calendar-card p {
    margin-bottom: 1.25rem;
    color: #555;
}

.calendar-card iframe {
    display: block;
    width: 100%;
    height: 600px;
    border: 0;
    border-radius: 8px;
    background: #fff;
}

.aptis-card {
    margin-top: 3rem;
}

.student-auth-notice {
    margin: 0 0 1.5rem;
    padding: 1rem 1.25rem;
    border: 1px solid rgba(29, 111, 165, 0.2);
    border-radius: 8px;
    background: #eef6fa;
    color: var(--primary-color);
    font-weight: 600;
}

.module-dashboard-view > h2 {
    margin-bottom: 1rem;
}

.module-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.module-card {
    display: flex;
    min-height: 220px;
    flex-direction: column;
    justify-content: space-between;
    gap: 1.5rem;
    margin: 0;
    padding: 1.5rem;
}

.module-card h3,
.module-card p {
    margin-bottom: 0.65rem;
}

.module-card-tag {
    display: inline-block;
    margin-bottom: 0.6rem;
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.module-card > button,
.module-card > a.btn,
.module-card .btn,
.module-card .btn-card {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0.6rem 1.25rem;
    border: 0;
    border-radius: 4px;
    background-color: var(--accent-color);
    color: #fff;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    transition: opacity 0.2s;
    box-sizing: border-box;
}

.module-card > button:hover:not(:disabled),
.module-card > a.btn:hover,
.module-card .btn:hover,
.module-card .btn-card:hover {
    opacity: 0.9;
}

.module-card > button:disabled,
.module-card .btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.module-card-inactive {
    background: #f1f4f6;
}

.module-card-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.module-card-heading .module-card-tag {
    margin-bottom: 0.6rem;
}

.module-coming-soon {
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    background: rgba(29, 111, 165, 0.1);
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 700;
}

.task-instruction-banner {
    margin-bottom: 1.25rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
    background: #f8fafc;
}

.task-badge {
    margin-bottom: 0.25rem;
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.task-rubric {
    margin: 0;
    color: #3f4b55;
    font-size: 0.98rem;
}

.drill-runner-topbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    margin-bottom: 1.5rem;
}

.drill-runner-topbar h2 {
    margin: 0;
}

.drill-back-button {
    padding: 0.55rem 0;
    border: 0;
    background: transparent;
    color: var(--primary-color);
    cursor: pointer;
    font: inherit;
    font-weight: 700;
}

.drill-back-button:hover {
    color: var(--accent-color);
}

.module-dashboard-view[hidden],
#drillRunnerView[hidden],
[data-drill-module][hidden] {
    display: none !important;
}

.student-zone-cta {
    text-align: center;
}

.student-zone-cta p {
    max-width: 720px;
    margin: 0 auto 1.25rem;
}

.student-zone-cta .btn {
    border: 0;
}

.reading-p1-container {
    margin-top: 1.5rem;
}

.reading-p1-header {
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.reading-p1-header h3,
.reading-p1-header p {
    margin: 0;
}

.reading-p1-part-title {
    margin-bottom: 0.35rem !important;
    color: var(--primary-color) !important;
    font-weight: 700;
}

.reading-p1-instructions {
    margin: 1.25rem 0;
    color: #555;
}

.reading-p1-passage {
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    font-size: 1.05rem;
    line-height: 2.5;
}

.reading-p1-gap {
    display: inline-block;
    max-width: 100%;
    margin: 0.1rem 0.2rem;
    padding: 0.4rem 1.8rem 0.4rem 0.65rem;
    border: 1px solid #aebdca;
    border-radius: 5px;
    background-color: #fff;
    color: var(--text-color);
    font: inherit;
    line-height: 1.4;
    vertical-align: baseline;
}

.reading-p1-gap:focus {
    outline: 2px solid rgba(29, 111, 165, 0.35);
    outline-offset: 1px;
}

.reading-p1-gap.is-correct {
    border-color: #218838;
    background-color: #e9f7ed;
}

.reading-p1-gap.is-incorrect {
    border-color: var(--accent-color);
    background-color: #fff0f0;
}

.reading-p1-correct-answer {
    margin-left: 0.2rem;
    color: #176b2c;
    font-weight: 700;
}

.reading-p1-feedback {
    display: grid;
    gap: 0.65rem;
    margin-top: 1rem;
}

.reading-p1-feedback p {
    margin: 0;
    padding: 0.75rem 0.9rem;
    border-radius: 6px;
    background: #f3f5f7;
}

.reading-p1-feedback .is-correct {
    background: #e9f7ed;
    color: #176b2c;
}

.reading-p1-feedback .is-incorrect {
    background: #fff0f0;
    color: #a51f1f;
}

.reading-p1-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    margin-top: 1.25rem;
}

.reading-p1-actions .btn {
    border: 0;
    cursor: pointer;
    font: inherit;
}

.reading-p1-actions .btn:disabled {
    cursor: wait;
    opacity: 0.65;
}

.reading-p1-score {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 700;
}

.reading-card {
    margin-bottom: 0;
}

.passage-container {
    margin-top: 1.5rem;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
}

.passage-part-title {
    margin-bottom: 0.25rem;
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 700;
}

.passage-title {
    margin-bottom: 1rem;
}

.passage-text {
    font-size: 1.05rem;
    line-height: 2;
}

.passage-text p {
    margin-bottom: 1rem;
}

.reading-gap-select {
    display: inline-block;
    max-width: 100%;
    margin: 0 4px;
    padding: 4px 8px;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    background: #fff;
    color: var(--text-color);
    font: inherit;
    font-size: 0.95rem;
    vertical-align: baseline;
}

.reading-gap-select:focus {
    outline: 2px solid rgba(29, 111, 165, 0.35);
    outline-offset: 1px;
}

.reading-gap-select.unanswered {
    border-color: #ef4444;
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.15);
}

.reading-gap-select.correct {
    border-color: #22c55e;
    background-color: #f0fdf4;
    color: #15803d;
    font-weight: 600;
}

.reading-gap-select.incorrect {
    border-color: #ef4444;
    background-color: #fef2f2;
    color: #b91c1c;
    font-weight: 600;
}

.reading-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.reading-controls button {
    padding: 0.7rem 1.2rem;
    border: 0;
    border-radius: 4px;
    cursor: pointer;
    font: inherit;
    font-weight: 600;
}

.reading-controls .btn-primary {
    background: var(--accent-color);
    color: #fff;
}

.reading-controls .btn-secondary {
    margin-left: 0;
}

.reading-controls button:disabled {
    cursor: wait;
    opacity: 0.7;
}

.results-card {
    margin-top: 1.5rem;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #f8fafc;
}

.results-card h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.explanations-list {
    display: grid;
    gap: 0.65rem;
}

.explanation-item {
    margin: 0;
    padding: 0.75rem 0.9rem;
    border-radius: 6px;
    background: #fff;
}

.review-card {
    margin-bottom: 0.85rem;
    padding: 1rem;
    border-left: 5px solid #cbd5e1;
    border-radius: 8px;
    background: #f8fafc;
}

.review-card.is-correct {
    border-left-color: #22c55e;
    background: #f0fdf4;
}

.review-card.is-incorrect {
    border-left-color: #ef4444;
    background: #fef2f2;
}

.review-result {
    margin: 0 0 0.5rem;
}

.review-user-wrong {
    margin: 0.25rem 0;
    color: #b91c1c;
    font-weight: 500;
    text-decoration: line-through;
}

.review-correct-answer {
    margin: 0.25rem 0;
    color: #15803d;
    font-weight: 600;
}

.review-explanation {
    margin: 0.5rem 0 0;
    color: #475569;
    font-size: 0.92rem;
    line-height: 1.5;
}

.reading-correct-answer {
    margin-left: 0.25rem;
    color: #15803d;
    font-weight: 700;
}

.cohesion-container {
    margin-top: 1.5rem;
}

.cohesion-sortable-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin: 1rem 0;
    padding: 0;
    list-style: none;
}

.cohesion-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    background: #fff;
    user-select: none;
}

.cohesion-item[draggable="true"] {
    cursor: grab;
}

.cohesion-item.dragging {
    opacity: 0.5;
}

.cohesion-item.correct {
    border-color: #22c55e;
    background: #f0fdf4;
}

.cohesion-item.incorrect {
    border-color: #ef4444;
    background: #fef2f2;
}

.anchor-item {
    border-left: 4px solid #64748b;
    background: #f8fafc;
    font-weight: 500;
}

.cohesion-index {
    display: inline-flex;
    flex: 0 0 2rem;
    width: 2rem;
    height: 2rem;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #eef2f6;
    color: #475569;
    font-weight: 700;
}

.cohesion-text {
    flex: 1;
}

.badge-fixed {
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    background: #e2e8f0;
    color: #475569;
    font-size: 0.75rem;
    font-weight: 700;
}

.cohesion-btn-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cohesion-reorder-button {
    min-width: 2rem;
    padding: 0.15rem 0.35rem;
    border: 1px solid transparent;
    border-radius: 4px;
    background: transparent;
    color: #64748b;
    cursor: pointer;
    font-size: 0.8rem;
    line-height: 1.2;
}

.cohesion-reorder-button:hover:not(:disabled) {
    border-color: #cbd5e1;
    background: #f1f5f9;
    color: var(--primary-color);
}

.cohesion-reorder-button:disabled {
    cursor: not-allowed;
    opacity: 0.35;
}

.task-explanation {
    margin: 0;
    line-height: 1.7;
}

.reading-opinion-theme,
.opinion-statements-container {
    margin-top: 1.5rem;
}

.people-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.person-card {
    padding: 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #f8fafc;
}

.person-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.person-badge {
    padding: 2px 8px;
    border-radius: 4px;
    background: #2563eb;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
}

.person-text {
    margin: 0;
    line-height: 1.7;
}

.opinion-statements-container > h4 {
    margin-bottom: 0.75rem;
}

.statements-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.statement-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    background: #fff;
}

.statement-text {
    flex: 1;
    margin: 0;
}

.statement-select {
    min-width: 190px;
    padding: 0.5rem 0.65rem;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    background: #fff;
    color: var(--text-color);
    font: inherit;
}

.statement-select:focus {
    outline: 2px solid rgba(29, 111, 165, 0.35);
    outline-offset: 1px;
}

.statement-select.unanswered {
    border-color: #ef4444;
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.15);
}

.statement-select.correct {
    border-color: #22c55e;
    background-color: #f0fdf4;
    color: #15803d;
    font-weight: 600;
}

.statement-select.incorrect {
    border-color: #ef4444;
    background-color: #fef2f2;
    color: #b91c1c;
    font-weight: 600;
}

.reading-article-header {
    margin: 1.5rem 0 1rem;
}

.reading-article-header .passage-title {
    margin: 0;
}

.headings-bank-card {
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #f8fafc;
}

.headings-bank-title {
    margin: 0;
}

.headings-bank-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.heading-chip {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 4px 8px;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    background: #fff;
    font-size: 0.9rem;
    transition: opacity 0.15s ease, background-color 0.15s ease;
}

.heading-chip.used {
    background: #eef2f6;
    color: #64748b;
    opacity: 0.55;
    text-decoration: line-through;
}

.heading-letter {
    flex: 0 0 auto;
    color: var(--primary-color);
    font-weight: 700;
}

.paragraph-card {
    margin-bottom: 1.25rem;
    padding: 1.25rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #fff;
}

.paragraph-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.paragraph-badge {
    padding: 2px 10px;
    border-radius: 4px;
    background: #0f172a;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
}

.paragraph-selector-wrap {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
}

.paragraph-selector-below {
    margin-top: 1.1rem;
}

.paragraph-selector-label {
    font-weight: 600;
}

.heading-select {
    position: relative;
    width: min(100%, 560px);
}

.heading-select summary {
    width: fit-content;
    min-width: min(100%, 280px);
    max-width: 100%;
    padding: 0.5rem 0.65rem;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    background: #fff;
    color: var(--text-color);
    cursor: pointer;
    font: inherit;
}

.heading-select summary:focus-visible {
    outline: 2px solid rgba(29, 111, 165, 0.35);
    outline-offset: 1px;
}

.heading-select.unanswered summary {
    border-color: #ef4444;
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.15);
}

.heading-options {
    display: grid;
    gap: 0.35rem;
    max-height: 18rem;
    margin-top: 0.4rem;
    overflow-y: auto;
}

.heading-option {
    width: 100%;
    padding: 0.55rem 0.7rem;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    background: #fff;
    color: var(--text-color);
    cursor: pointer;
    font: inherit;
    text-align: left;
}

.heading-option:hover:not(:disabled),
.heading-option:focus-visible {
    border-color: var(--primary-color);
    background: #f1f7fb;
}

.heading-select.correct summary {
    border-color: #22c55e;
    background-color: #f0fdf4;
    color: #15803d;
    font-weight: 600;
}

.heading-select.incorrect summary {
    border-color: #ef4444;
    background-color: #fef2f2;
    color: #b91c1c;
    font-weight: 600;
}

.heading-select.locked summary {
    cursor: default;
    list-style: none;
}

.heading-select.locked summary::-webkit-details-marker {
    display: none;
}

.paragraph-body {
    margin: 0;
    color: #334155;
    font-size: 1rem;
    line-height: 1.65;
}

.aptis-intro {
    max-width: 700px;
}

.aptis-controls {
    display: grid;
    gap: 0.75rem;
    max-width: 680px;
    margin-top: 1.5rem;
}

.aptis-controls label {
    font-weight: 600;
}

.aptis-controls input[type="text"] {
    width: 100%;
    padding: 0.75rem 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font: inherit;
}

.aptis-controls .btn,
.aptis-actions .btn {
    border: 0;
    cursor: pointer;
    font: inherit;
}

.aptis-controls .btn:disabled,
.aptis-actions .btn:disabled {
    cursor: wait;
    opacity: 0.65;
}

.aptis-status {
    color: var(--primary-color);
    font-weight: 600;
}

.aptis-error {
    color: var(--accent-color);
}

.topic-focus-bar {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    padding: 0.85rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #f8fafc;
}

.topic-selector-container {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.topic-label {
    font-weight: 600;
}

.input-action-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

#btnApplyGrammarTopic {
    min-height: 46px;
    margin-left: 0;
    padding: 0.75rem 1.25rem;
    border: 0;
    border-radius: 6px;
    background: #c62828;
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
}

#btnApplyGrammarTopic:hover:not(:disabled) {
    background: #a61f1f;
    transform: translateY(-1px);
}

#btnApplyGrammarTopic:disabled {
    cursor: wait;
    opacity: 0.7;
}

.topic-input,
.topic-select {
    flex: 1;
    min-width: 260px;
    padding: 7px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 0.95rem;
}

.topic-spinner-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.25rem;
    color: #2563eb;
    font-size: 0.9rem;
    font-weight: 500;
}

.spinner-small {
    width: 0.95rem;
    height: 0.95rem;
    border: 2px solid #bfdbfe;
    border-top-color: #2563eb;
    border-radius: 50%;
    animation: topic-spinner-rotate 0.75s linear infinite;
}

@keyframes topic-spinner-rotate {
    to {
        transform: rotate(360deg);
    }
}

.btn-text {
    padding: 0.5rem 0.65rem;
    border: 0;
    background: transparent;
    color: var(--primary-color);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.btn-text:hover {
    text-decoration: underline;
}

.active-topic-badge {
    display: inline-block;
    margin-bottom: 0.75rem;
    padding: 3px 10px;
    border: 1px solid #bfdbfe;
    border-radius: 12px;
    background: #eff6ff;
    color: #1d4ed8;
    font-size: 0.85rem;
}

.aptis-quiz {
    margin-top: 2rem;
}

.aptis-quiz-header,
.aptis-question-heading,
.aptis-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.aptis-actions {
    flex-wrap: wrap;
}

.aptis-quiz-header {
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.aptis-quiz-header h3,
.aptis-quiz-header p,
.aptis-question-heading h4 {
    margin: 0;
}

.aptis-quiz-header p {
    color: #555;
}

.aptis-question-count {
    flex: 0 0 auto;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    background: rgba(29, 111, 165, 0.1);
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 700;
}

.aptis-question-list {
    display: grid;
    gap: 0;
    margin: 1.25rem 0;
}

.aptis-review-list {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.aptis-core-mock[hidden] {
    display: none;
}

.aptis-reading-mock.hidden {
    display: none;
}

.aptis-reading-mock {
    position: fixed;
    z-index: 500;
    inset: 0;
    display: grid;
    place-items: stretch;
    padding: 0;
    background: var(--bg-color);
}

body.reading-mock-open {
    overflow: hidden;
}

.reading-mock-part-tabs,
.reading-mock-review-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0 0 1rem;
}

.reading-mock-part-tabs[hidden],
.reading-mock-review-tabs[hidden] {
    display: none;
}

.reading-mock-tab {
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    color: var(--text-color);
    cursor: pointer;
    font: inherit;
    font-weight: 700;
}

.reading-mock-tab[aria-selected="true"] {
    border-color: #2563eb;
    background: #eff6ff;
    color: #1d4ed8;
}

.reading-mock-tab.is-complete::after {
    content: " ✓";
    color: #15803d;
}

.reading-mock-answered-count {
    align-self: center;
    color: #475569;
    font-weight: 700;
}

.reading-mock-part-panel,
.reading-mock-review-panel {
    display: grid;
    gap: 1rem;
}

.reading-mock-part-panel[hidden],
.reading-mock-review-panel[hidden] {
    display: none;
}

.reading-mock-passage,
.reading-mock-review-card,
.reading-mock-sequence-item {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
}

.reading-mock-passage {
    line-height: 1.8;
}

.reading-mock-passage select {
    max-width: 12rem;
}

.reading-mock-select {
    min-width: 9rem;
    padding: 0.45rem;
    border: 1px solid #94a3b8;
    border-radius: 6px;
    background: #fff;
    font: inherit;
}

.reading-mock-select:disabled {
    opacity: 1;
}

.reading-mock-select.is-correct,
.reading-mock-answer.is-correct {
    border-color: #16a34a;
    background: #f0fdf4;
    color: #166534;
}

.reading-mock-select.is-incorrect,
.reading-mock-answer.is-incorrect {
    border-color: #dc2626;
    background: #fef2f2;
    color: #b91c1c;
}

.reading-mock-sentence-list {
    display: grid;
    gap: 0.6rem;
    padding: 0;
    list-style: none;
}

.reading-mock-sequence-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: grab;
}

.reading-mock-sequence-item.is-dragging {
    opacity: 0.5;
}

.reading-mock-sequence-controls {
    display: flex;
    gap: 0.25rem;
    margin-left: auto;
}

.reading-mock-sequence-controls button {
    padding: 0.3rem 0.45rem;
}

.reading-mock-person-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.reading-mock-person-card {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
}

.reading-mock-person-card p {
    line-height: 1.65;
}

.reading-mock-review-card {
    border-left: 5px solid #dc2626;
}

.reading-mock-review-card.is-correct {
    border-left-color: #16a34a;
}

.reading-mock-review-card h4,
.reading-mock-review-card p {
    margin: 0 0 0.5rem;
}

.reading-mock-answer {
    display: inline-block;
    padding: 0.15rem 0.35rem;
    border: 1px solid transparent;
    border-radius: 4px;
    font-weight: 700;
}

.reading-mock-clue {
    margin: 0.5rem 0;
    padding: 0.65rem 0.85rem;
    border-left: 3px solid #2563eb;
    background: #eff6ff;
    color: #1e3a8a;
}

.reading-mock-sequence-review {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.reading-mock-sequence-item p {
    margin: 0.35rem 0;
}

@media (max-width: 760px) {
    .aptis-reading-mock {
        padding: 0;
    }

    .reading-mock-dialog {
        width: 100%;
        height: 100%;
        max-height: none;
        padding: 1rem;
        border: 0;
        border-radius: 0;
    }

    .reading-mock-person-grid,
    .reading-mock-sequence-review {
        grid-template-columns: 1fr;
    }

    .reading-mock-passage select {
        max-width: 100%;
    }
}

.aptis-writing-mock.hidden {
    display: none;
}

.aptis-writing-mock {
    position: fixed;
    z-index: 500;
    inset: 0;
    display: grid;
    place-items: stretch;
    padding: 0;
    background: var(--bg-color);
}

body.writing-mock-open {
    overflow: hidden;
}

.writing-mock-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0 0 1rem;
}

.writing-mock-tabs[hidden] {
    display: none;
}

.writing-mock-tab {
    padding: 0.55rem 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    color: var(--text-color);
    cursor: pointer;
    font: inherit;
    font-weight: 700;
}

.writing-mock-tab[aria-selected="true"] {
    border-color: #2563eb;
    background: #eff6ff;
    color: #1d4ed8;
}

.writing-mock-tab.is-complete::after {
    content: " ✓";
    color: #15803d;
}

.writing-mock-progress {
    align-self: center;
    color: #475569;
    font-weight: 700;
}

.writing-mock-timer.is-warning {
    border-color: #fecaca;
    background: #fef2f2;
    color: #b91c1c;
}

.writing-mock-close {
    white-space: nowrap;
}

.writing-mock-panel {
    display: grid;
    gap: 1rem;
}

.writing-mock-panel[hidden] {
    display: none;
}

.writing-mock-panel > h3,
.writing-mock-task-card h4 {
    margin: 0;
}

.writing-mock-instructions {
    margin: 0;
    color: #475569;
    line-height: 1.6;
}

.writing-mock-prompt {
    margin: 0;
    padding: 0.85rem 1rem;
    border-left: 3px solid #2563eb;
    border-radius: 4px;
    background: #eff6ff;
    color: #1e3a8a;
    line-height: 1.6;
    white-space: pre-wrap;
}

.writing-mock-response-field,
.writing-mock-task-card {
    display: grid;
    gap: 0.6rem;
}

.writing-mock-task-card {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
}

.writing-mock-response-label {
    color: var(--text-color);
    font-weight: 700;
}

.writing-mock-input {
    width: 100%;
    min-height: 2.75rem;
    padding: 0.75rem 0.85rem;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #fff;
    color: var(--text-color);
    font: inherit;
    line-height: 1.6;
    resize: vertical;
}

.writing-mock-input:focus {
    border-color: #2563eb;
    outline: 2px solid rgba(37, 99, 235, 0.2);
}

.writing-mock-input:disabled {
    background: #f8fafc;
    opacity: 1;
}

.writing-mock-word-count {
    width: fit-content;
    padding: 0.25rem 0.6rem;
    border: 1px solid #fbbf24;
    border-radius: 999px;
    background: #fffbeb;
    color: #92400e;
    font-size: 0.85rem;
    font-weight: 700;
}

.writing-mock-word-count.is-within {
    border-color: #86efac;
    background: #f0fdf4;
    color: #166534;
}

.writing-mock-word-count.is-over {
    border-color: #fca5a5;
    background: #fef2f2;
    color: #b91c1c;
}

.writing-mock-part-navigation {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

.writing-mock-part-navigation button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.writing-mock-report {
    display: grid;
    gap: 1rem;
}

.writing-mock-report[hidden] {
    display: none;
}

.writing-mock-report > h2,
.writing-mock-report > h3,
.writing-mock-report > p {
    margin: 0;
}

.writing-mock-score-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.writing-mock-score-badge,
.writing-mock-level-badge {
    padding: 0.65rem 1rem;
    border: 1px solid #bfdbfe;
    border-radius: 10px;
    background: #eff6ff;
    color: #1d4ed8;
    font-size: 1.2rem;
    font-weight: 800;
}

.writing-mock-level-badge {
    border-color: #86efac;
    background: #f0fdf4;
    color: #166534;
}

.writing-mock-part-score-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

.writing-mock-score-card,
.writing-mock-correction-card,
.writing-mock-comparison-card {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
}

.writing-mock-correction-card {
    border-left: 4px solid #2563eb;
}

.writing-mock-correction-original strong {
    color: #b91c1c;
}

.writing-mock-correction-suggested strong {
    color: #15803d;
}

.writing-mock-score-card h4,
.writing-mock-score-card p,
.writing-mock-correction-card p,
.writing-mock-comparison-card h4,
.writing-mock-comparison-card h5,
.writing-mock-comparison-card p {
    margin: 0 0 0.5rem;
}

.writing-mock-corrections {
    display: grid;
    gap: 0.65rem;
}

.writing-mock-model-answers {
    display: grid;
    gap: 0.75rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #f8fafc;
}

.writing-mock-model-answers > summary {
    cursor: pointer;
    font-weight: 700;
}

.writing-mock-comparison-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.writing-mock-comparison-columns > div {
    min-width: 0;
}

.writing-mock-comparison-columns p {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.writing-mock-spinner {
    display: inline-block;
    width: 0.9rem;
    height: 0.9rem;
    margin-right: 0.45rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: writing-mock-spin 0.7s linear infinite;
    vertical-align: -0.1rem;
}

@keyframes writing-mock-spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 760px) {
    .aptis-writing-mock {
        padding: 0;
    }

    .writing-mock-dialog {
        width: 100%;
        height: 100%;
        max-height: none;
        padding: 1rem;
        border: 0;
        border-radius: 0;
    }

    .writing-mock-part-score-grid,
    .writing-mock-comparison-columns {
        grid-template-columns: 1fr;
    }

    .writing-mock-part-navigation button {
        padding: 0.55rem 0.65rem;
        font-size: 0.9rem;
    }
}

.aptis-listening-mock.hidden {
    display: none;
}

.aptis-listening-mock {
    position: fixed;
    z-index: 500;
    inset: 0;
    display: grid;
    place-items: stretch;
    padding: 0;
    background: var(--bg-color);
}

body.listening-mock-open {
    overflow: hidden;
}

.listening-mock-header-actions {
    flex-wrap: wrap;
}

.listening-mock-timer-wrap {
    display: grid;
    min-width: 8rem;
    gap: 0.35rem;
}

.listening-mock-timer {
    display: block;
}

.listening-mock-timer-track {
    width: 100%;
    height: 5px;
    overflow: hidden;
    border-radius: 999px;
    background: #dbeafe;
}

.listening-mock-timer-bar {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    background: #2563eb;
    transition: width 0.4s linear, background-color 0.2s ease;
}

.listening-mock-timer-bar.is-warning {
    background: #dc2626;
}

.listening-mock-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0 0 1rem;
}

.listening-mock-tabs[hidden] {
    display: none;
}

.listening-mock-tab {
    padding: 0.55rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    color: var(--text-color);
    cursor: pointer;
    font: inherit;
    font-weight: 700;
}

.listening-mock-tab[aria-selected="true"] {
    border-color: #2563eb;
    background: #eff6ff;
    color: #1d4ed8;
}

.listening-mock-tab.is-complete::after {
    content: " ✓";
    color: #15803d;
}

.listening-mock-progress {
    align-self: center;
    color: #475569;
    font-weight: 700;
}

.listening-mock-panel {
    display: grid;
    gap: 1rem;
}

.listening-mock-panel[hidden] {
    display: none;
}

.listening-mock-panel > h3 {
    margin: 0;
}

.listening-mock-instructions,
.listening-mock-context {
    margin: 0;
    color: #475569;
    line-height: 1.6;
}

.listening-mock-question-card,
.listening-mock-track-card,
.listening-mock-review-card,
.listening-mock-score-card {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: #fff;
}

.listening-mock-track-card {
    display: grid;
    gap: 0.75rem;
    background: #f8fafc;
}

.listening-mock-track-card > h4,
.listening-mock-question-card > h4,
.listening-mock-question-card > h5 {
    margin: 0 0 0.65rem;
}

.listening-mock-audio-control {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin: 0.6rem 0;
}

.listening-mock-play-button {
    min-width: 9rem;
}

.listening-mock-play-button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.listening-mock-play-count {
    color: #475569;
    font-size: 0.9rem;
    font-weight: 700;
}

.listening-mock-wave {
    display: inline-flex;
    height: 1.5rem;
    align-items: center;
    gap: 3px;
    color: #2563eb;
}

.listening-mock-wave i {
    display: block;
    width: 3px;
    height: 5px;
    border-radius: 3px;
    background: currentColor;
}

.listening-mock-wave.is-playing i {
    animation: listening-mock-wave 0.8s ease-in-out infinite alternate;
}

.listening-mock-wave.is-playing i:nth-child(2) {
    animation-delay: 0.2s;
}

.listening-mock-wave.is-playing i:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes listening-mock-wave {
    from { height: 5px; }
    to { height: 22px; }
}

.listening-mock-options {
    display: grid;
    gap: 0.45rem;
    margin-top: 0.65rem;
}

.listening-mock-option {
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
    padding: 0.55rem 0.65rem;
    border: 1px solid #e2e8f0;
    border-radius: 7px;
    background: #fff;
    cursor: pointer;
    line-height: 1.5;
}

.listening-mock-option:hover {
    border-color: #93c5fd;
    background: #f8fbff;
}

.listening-mock-option input {
    margin-top: 0.25rem;
    accent-color: #2563eb;
}

.listening-mock-option input:disabled {
    cursor: default;
}


.listening-mock-navigation {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.listening-mock-results {
    display: grid;
    gap: 1rem;
}

.listening-mock-results[hidden] {
    display: none;
}

.listening-mock-score-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.listening-mock-score-badge,
.listening-mock-cefr-badge {
    padding: 0.55rem 0.85rem;
    border: 1px solid #bfdbfe;
    border-radius: 9px;
    background: #eff6ff;
    color: #1d4ed8;
    font-weight: 800;
}

.listening-mock-cefr-badge {
    border-color: #86efac;
    background: #f0fdf4;
    color: #166534;
}

.listening-mock-score-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.65rem;
}

.listening-mock-score-card h4,
.listening-mock-score-card p {
    margin: 0;
}

.listening-mock-review-group {
    display: grid;
    gap: 0.6rem;
}

.listening-mock-review-card {
    border-left: 5px solid #dc2626;
}

.listening-mock-review-card.is-correct {
    border-left-color: #16a34a;
}

.listening-mock-review-card h4,
.listening-mock-review-card p {
    margin: 0 0 0.5rem;
}

.listening-mock-review-answer {
    color: #b91c1c;
}

.listening-mock-review-card.is-correct .listening-mock-review-answer,
.listening-mock-review-correct {
    color: #15803d;
}

.listening-mock-review-options {
    display: grid;
    gap: 0.35rem;
    margin: 0.65rem 0 0;
    padding: 0;
    list-style: none;
}

.listening-mock-review-options li {
    padding: 0.45rem 0.6rem;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    background: #fff;
}

.listening-mock-review-options li.is-selected {
    border-color: #fca5a5;
    background: #fef2f2;
    color: #b91c1c;
}

.listening-mock-review-options li.is-answer {
    border-color: #86efac;
    background: #f0fdf4;
    color: #166534;
}

.listening-mock-review-options li.is-selected.is-answer {
    border-color: #86efac;
}

.listening-mock-explanation {
    color: #475569;
}

.listening-mock-scale-note {
    margin: 0;
    color: #64748b;
    font-size: 0.9rem;
}

.listening-mock-script-quote {
    margin: 0.5rem 0 0;
    padding: 0.65rem 0.85rem;
    border-left: 3px solid #2563eb;
    background: #eff6ff;
    color: #1e3a8a;
    line-height: 1.6;
}

.listening-mock-transcript {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #f8fafc;
}

.listening-mock-transcript > summary {
    cursor: pointer;
    font-weight: 700;
}

.listening-mock-transcript > p {
    white-space: pre-wrap;
    line-height: 1.7;
}

@media (max-width: 760px) {
    .aptis-listening-mock {
        padding: 0;
    }

    .listening-mock-dialog {
        width: 100%;
        height: 100%;
        max-height: none;
        padding: 1rem;
        border: 0;
        border-radius: 0;
    }

    .listening-mock-header-actions {
        flex-direction: row;
        align-items: center;
        justify-content: flex-end;
    }

    .listening-mock-score-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.aptis-core-mock {
    position: fixed;
    z-index: 500;
    inset: 0;
    display: grid;
    place-items: stretch;
    padding: 0;
    background: var(--bg-color);
}

body.core-mock-open {
    overflow: hidden;
}

body.modal-open {
    overflow: hidden;
    scrollbar-gutter: stable;
}

.aptis-core-mock,
.aptis-reading-mock,
.aptis-writing-mock,
.aptis-listening-mock {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    max-width: 100vw;
    max-height: none;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 0;
    box-shadow: none;
    overflow-y: auto;
    overscroll-behavior: contain;
    z-index: 9999;
}

.core-mock-dialog,
.reading-mock-dialog,
.writing-mock-dialog,
.listening-mock-dialog {
    position: relative;
    margin: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    max-width: 100vw;
    max-height: none;
    overscroll-behavior: contain;
    display: flex;
    flex-direction: column;
    overflow: auto;
    padding: 1.5rem clamp(1rem, 4vw, 3rem);
    box-sizing: border-box;
    border: 0;
    border-radius: 0;
    background: var(--bg-color);
    box-shadow: none;
}

.core-mock-topbar,
.core-mock-meta,
.core-mock-topbar-actions,
.core-mock-palette-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.core-mock-topbar {
    position: sticky;
    z-index: 2;
    top: -1.5rem;
    margin: -1.5rem -1.5rem 1.25rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: #fff;
}

.core-mock-topbar h2,
.core-mock-palette-heading h3 {
    margin: 0;
}

.core-mock-meta {
    justify-content: flex-start;
    margin-top: 0.35rem;
}

.core-mock-topbar .module-card-tag {
    margin: 0;
}

.core-mock-timer {
    min-width: 5.5rem;
    padding: 0.4rem 0.75rem;
    border: 1px solid #bfdbfe;
    border-radius: 8px;
    background: #eff6ff;
    color: #1d4ed8;
    font-size: 1.4rem;
    font-variant-numeric: tabular-nums;
    font-weight: 800;
    text-align: center;
}

.core-mock-timer.is-warning {
    border-color: #fecaca;
    background: #fef2f2;
    color: #b91c1c;
}

.core-mock-layout {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
    gap: 1.25rem;
}

.core-mock-palette-panel {
    position: sticky;
    top: 5.5rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
}

.core-mock-palette-panel.is-collapsed .core-mock-palette,
.core-mock-palette-panel.is-collapsed .core-mock-legend {
    display: none;
}

.core-mock-palette-heading h3 {
    font-size: 1.1rem;
}

.core-mock-palette {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.4rem;
    margin-top: 0.75rem;
}

.core-mock-palette-button {
    position: relative;
    min-height: 38px;
    border: 1px solid #cbd5e1;
    border-radius: 5px;
    background: #f8fafc;
    color: var(--text-color);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.core-mock-palette-button.is-answered {
    border-color: #86efac;
    background: #f0fdf4;
    color: #15803d;
}

.core-mock-palette-button.is-flagged {
    border-color: #fbbf24;
    background: #fffbeb;
    color: #92400e;
}

.core-mock-palette-button.is-current {
    outline: 3px solid rgba(29, 111, 165, 0.3);
    outline-offset: 1px;
}

.core-mock-palette-button.is-flagged::after {
    position: absolute;
    top: -4px;
    right: -3px;
    width: 9px;
    height: 9px;
    border: 1px solid #fff;
    border-radius: 50%;
    background: #d97706;
    content: "";
}

.core-mock-legend {
    display: grid;
    gap: 0.35rem;
    margin-top: 0.85rem;
    color: #475569;
    font-size: 0.82rem;
}

.core-mock-legend span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.palette-dot {
    width: 0.7rem;
    height: 0.7rem;
    border: 1px solid #cbd5e1;
    border-radius: 50%;
    background: #f8fafc;
}

.palette-dot.answered {
    border-color: #86efac;
    background: #22c55e;
}

.palette-dot.flagged {
    border-color: #fbbf24;
    background: #f59e0b;
}

.core-mock-main {
    min-width: 0;
}

.core-mock-main .aptis-question-list {
    margin-top: 0;
}

.core-mock-question-actions {
    justify-content: flex-start;
    margin-top: 1rem;
}

.core-mock-question-actions #btnNextCoreMock {
    margin-left: auto;
}

.core-mock-question-actions button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.core-mock-results {
    display: grid;
    gap: 0.5rem;
}

.core-mock-results h3,
.core-mock-results p {
    margin: 0;
}

.core-mock-results[hidden] {
    display: none;
}

.core-mock-review {
    display: grid;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.core-mock-review > h4 {
    margin: 0.5rem 0 0;
    color: var(--text-color);
}

.core-mock-review-card {
    margin: 0;
}

.core-mock-review-card h5,
.core-mock-review-card p {
    margin: 0;
}

.core-mock-review-prompt {
    margin-top: 0.45rem !important;
    font-weight: 600;
}

.core-mock-review-user-answer {
    margin-top: 0.4rem !important;
    color: #b91c1c;
}

.core-mock-review-correct-answer {
    color: #15803d;
    font-weight: 700;
}

.core-mock-review-explanation {
    margin-top: 0.35rem !important;
    color: #475569;
    font-size: 0.92rem;
    line-height: 1.5;
}

@media (max-width: 760px) {
    .aptis-core-mock {
        padding: 0;
    }

    .core-mock-dialog {
        width: 100vw;
        height: 100vh;
        height: 100dvh;
        max-height: none;
        padding: 1rem;
        border: 0;
        border-radius: 0;
    }

    .core-mock-topbar {
        top: -1rem;
        align-items: flex-start;
        margin: -1rem -1rem 1rem;
        padding: 0.85rem 1rem;
    }

    .core-mock-topbar h2 {
        font-size: 1.2rem;
    }

    .core-mock-topbar-actions {
        flex-direction: column;
        align-items: flex-end;
        gap: 0.5rem;
    }

    .core-mock-topbar-actions .btn {
        padding: 0.5rem 0.65rem;
        font-size: 0.85rem;
    }

    .core-mock-layout {
        grid-template-columns: 1fr;
    }

    .core-mock-palette-panel {
        position: static;
    }

}

.aptis-question {
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
}

.aptis-review-question {
    border-left: 4px solid var(--primary-color);
}

.aptis-question-heading {
    margin-bottom: 0.75rem;
}

.aptis-question-heading h4 {
    color: var(--text-color);
}

.aptis-sentence {
    margin-bottom: 1rem;
    font-weight: 600;
}

.aptis-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.65rem;
}

.aptis-option {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    min-height: 44px;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
}

.aptis-option:has(input:checked) {
    border-color: var(--primary-color);
    background: rgba(29, 111, 165, 0.07);
}

.aptis-option input {
    flex: 0 0 auto;
    margin: 0;
    accent-color: var(--primary-color);
}

.aptis-review-option {
    cursor: default;
}

.aptis-option.is-correct {
    border-color: #218838;
    background: #e9f7ed;
    color: #176b2c;
}

.aptis-option.is-incorrect {
    border-color: var(--accent-color);
    background: #fff0f0;
    color: #a51f1f;
}

.feedback-box {
    margin-top: 0.85rem;
    padding: 0.75rem 0.9rem;
    border-radius: 6px;
    background: #f3f5f7;
}

.feedback-box.feedback-correct {
    background: #e9f7ed;
    color: #176b2c;
}

.feedback-box.feedback-incorrect {
    background: #fff0f0;
    color: #a51f1f;
}

.aptis-score-summary {
    margin-top: 1rem;
    padding: 1.25rem;
    border-radius: 8px;
    background: #f0f6fa;
}

.aptis-score-summary h3,
.aptis-score-summary p {
    margin: 0;
}

.aptis-score-summary .aptis-score-label {
    margin-top: 0.5rem;
    color: #555;
    font-weight: 600;
}

.aptis-score-summary .aptis-score-value {
    color: var(--primary-color);
    font-size: 1.35rem;
    font-weight: 700;
}

.aptis-score-summary p {
    margin-top: 0.5rem;
}

.aptis-review-list > h3 {
    margin-bottom: 0.25rem;
}
#aptisLoading[hidden],
#aptisQuizContainer[hidden],
#aptisScoreSummary[hidden],
#aptisQuestionNav[hidden],
#aptisReviewContainer[hidden],
#btnNextDrill[hidden],
#btnGenerateAptis[hidden],
#vocabStatus[hidden],
#vocabQuizContainer[hidden],
#vocabScoreSummary[hidden],
#vocabQuestionNav[hidden],
#vocabReviewContainer[hidden],
#btnNextVocabDrill[hidden],
#readingP1Container[hidden],
#readingP1Feedback[hidden],
#readingP1Score[hidden],
#btnNextReadingDrill[hidden],
.feedback-box[hidden] {
    display: none !important;
}

.secondary-card {
    background: #f8fbff;
}

.schedule-grid {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.schedule-item {
    flex: 0 0 173px;
    background: #f7f9fb;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: 10px;
    padding: 1rem 1.1rem;
}

.day-group {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.schedule-empty {
    border-left-color: #b0bec5;
    background: #f3f5f7;
}

.primary-group {
    border-left-color: #f29f05;
    background: linear-gradient(180deg, #fffaf0 0%, #fff4d9 100%);
}

.primary-group h3 {
    color: #b96d00;
}

.professional-group {
    border-left-color: #9c5cff;
    background: linear-gradient(180deg, #f8f1ff 0%, #efe4ff 100%);
}

.professional-group h3 {
    color: #6c35dd;
}

.schedule-item h3 {
    margin: 0 0 0.35rem;
    font-size: 1.05rem;
    color: var(--primary-color);
}

.schedule-time {
    display: block;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.4rem;
}

.schedule-meta {
    color: #555;
    font-size: 0.92rem;
    margin-bottom: 0.5rem;
}

.schedule-availability {
    margin-top: 0.75rem;
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.schedule-times-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
}

.schedule-times-list li {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.6rem 0.75rem;
    font-weight: 600;
    color: var(--text-color);
}

.primary-detail-box {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-size: 0.9rem;
    line-height: 1.3;
}

.primary-detail-box strong,
.primary-detail-box span {
    display: block;
    white-space: nowrap;
}

.primary-detail-box strong {
    font-size: 0.88rem;
}

.primary-detail-box span {
    font-size: 0.83rem;
}

.primary-detail-box span:last-child {
    color: #4b5b6b;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.group-label-spacing {
    margin-top: 1rem;
}

.group-list {
    margin-top: 0.35rem;
}

.group-list li {
    background: #fff;
}

.empty-slot {
    background: #f5f7f9;
    color: #7a7a7a;
    border-style: dashed;
    font-style: italic;
}

.schedule-status {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    background: rgba(29, 111, 165, 0.08);
    color: var(--primary-color);
}

.schedule-note {
    background: #fff;
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    color: #555;
    padding: 1rem 1.1rem;
}

h1, h2, h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.2s;
}

.btn:hover {
    opacity: 0.9;
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    margin-left: 0.5rem;
}

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

/* --- Footer --- */
footer {
    background-color: #222;
    color: #aaa;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    font-size: 0.9rem;
}

footer p {
    margin-bottom: 0.5rem;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .logo-link img {
        height: 62px;
    }

    .nav-links {
        gap: 0.75rem 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-links a {
        font-size: 0.9rem;
    }

    main {
        padding: 2rem 1rem;
    }

    .calendar-card {
        padding: 1.25rem 1rem;
    }

    .schedule-grid {
        display: flex;
    }
}

/* --- Small-screen Layout --- */
@media (max-width: 600px) {
    nav {
        padding: 0.75rem 1rem;
    }

    .logo-link img {
        height: 60px;
    }

    .nav-links {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.5rem 0.9rem;
    }

    .nav-links a {
        font-size: 0.9rem;
    }

    main {
        padding: 2rem 1rem;
    }

    section {
        margin-bottom: 2rem;
    }

    h1 {
        font-size: 2rem !important;
    }

    h2 {
        font-size: 1.5rem;
    }

    [style*="padding: 5rem 2rem"] {
        padding: 3rem 1.25rem !important;
    }

    [style*="font-size: 2.75rem"] {
        font-size: 2rem !important;
    }

    [style*="font-size: 1.2rem"] {
        font-size: 1rem !important;
    }

    [style*="padding: 2.5rem"],
    [style*="padding: 2rem"] {
        padding: 1.5rem !important;
    }

    .btn,
    .module-card > button {
        padding: 0.7rem 1rem;
        font-size: 0.95rem;
        width: 100%;
        text-align: center;
    }

    .btn-secondary {
        margin: 0.75rem 0 0 !important;
    }

    table {
        min-width: 620px;
    }

    iframe {
        height: 450px !important;
    }

    footer {
        padding: 1.5rem 1rem;
    }

    .calendar-card {
        padding: 1.5rem 1rem;
    }

    .calendar-card iframe {
        height: 450px;
    }
}

.native-rates table tbody tr:nth-child(even) {
    background-color: #f8fafc;
}

.native-rates table tbody td {
    border-bottom: 1px solid #cbd5e1;
}