/*
 * KI-Kompetenz-Quiz – eigenständiges, themenunabhängiges Frontend-Design.
 * Alle Regeln sind unter .aiq-quiz gekapselt; Farben und Radien über
 * CSS-Variablen anpassbar (z. B. per Child-Theme).
 */

.aiq-quiz {
    --aiq-primary: #4f46e5;
    --aiq-primary-dark: #4338ca;
    --aiq-primary-soft: #eef2ff;
    --aiq-text: #1e293b;
    --aiq-muted: #64748b;
    --aiq-bg: #ffffff;
    --aiq-surface: #f8fafc;
    --aiq-border: #e2e8f0;
    --aiq-success: #15803d;
    --aiq-success-soft: #f0fdf4;
    --aiq-success-border: #bbf7d0;
    --aiq-error: #b91c1c;
    --aiq-error-soft: #fef2f2;
    --aiq-error-border: #fecaca;
    --aiq-radius: 16px;
    --aiq-radius-sm: 10px;
    --aiq-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);

    box-sizing: border-box;
    max-width: 680px;
    margin: 0 auto;
    color: var(--aiq-text);
    font-size: 1rem;
    line-height: 1.6;
    -webkit-text-size-adjust: 100%;
}

.aiq-quiz *,
.aiq-quiz *::before,
.aiq-quiz *::after {
    box-sizing: inherit;
}

.aiq-quiz .aiq-card {
    background: var(--aiq-bg);
    border: 1px solid var(--aiq-border);
    border-radius: var(--aiq-radius);
    box-shadow: var(--aiq-shadow);
    padding: 20px;
}

.aiq-quiz h2,
.aiq-quiz h3 {
    margin: 0 0 12px;
    line-height: 1.3;
    color: var(--aiq-text);
}

.aiq-quiz h2 {
    font-size: 1.4rem;
}

.aiq-quiz h3 {
    font-size: 1.15rem;
}

.aiq-quiz p {
    margin: 0 0 16px;
}

.aiq-quiz .aiq-muted {
    color: var(--aiq-muted);
}

.aiq-quiz [tabindex="-1"]:focus {
    outline: none;
}

/* Buttons ---------------------------------------------------------------- */

.aiq-quiz .aiq-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--aiq-radius-sm);
    background: var(--aiq-primary);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.3;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease;
    -webkit-tap-highlight-color: transparent;
}

.aiq-quiz .aiq-btn:hover:not(:disabled) {
    background: var(--aiq-primary-dark);
}

.aiq-quiz .aiq-btn:active:not(:disabled) {
    transform: scale(0.98);
}

.aiq-quiz .aiq-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.aiq-quiz .aiq-btn--secondary {
    background: var(--aiq-primary-soft);
    color: var(--aiq-primary-dark);
}

.aiq-quiz .aiq-btn--secondary:hover:not(:disabled) {
    background: var(--aiq-border);
}

.aiq-quiz .aiq-btn--block {
    display: flex;
    width: 100%;
}

.aiq-quiz button:focus-visible {
    outline: 3px solid var(--aiq-primary);
    outline-offset: 2px;
}

/* Modus-Auswahl ---------------------------------------------------------- */

.aiq-quiz .aiq-mode-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 16px;
}

.aiq-quiz .aiq-mode-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 18px;
    border: 1px solid var(--aiq-border);
    border-radius: var(--aiq-radius-sm);
    background: var(--aiq-surface);
}

.aiq-quiz .aiq-mode-card h3 {
    margin: 0;
}

.aiq-quiz .aiq-mode-card p {
    margin: 0;
    color: var(--aiq-muted);
    font-size: 0.95rem;
}

.aiq-quiz .aiq-mode-card .aiq-btn {
    margin-top: 8px;
    align-self: flex-start;
}

/* Fortschritt ------------------------------------------------------------ */

.aiq-quiz .aiq-progress {
    margin-bottom: 20px;
}

.aiq-quiz .aiq-progress-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--aiq-muted);
}

.aiq-quiz .aiq-progress-track {
    height: 8px;
    border-radius: 999px;
    background: var(--aiq-border);
    overflow: hidden;
}

.aiq-quiz .aiq-progress-fill {
    height: 100%;
    width: 0;
    border-radius: 999px;
    background: var(--aiq-primary);
    transition: width 0.4s ease;
}

/* Frage & Antworten ------------------------------------------------------ */

.aiq-quiz .aiq-question-text {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.aiq-quiz .aiq-type-hint {
    margin: 0 0 16px;
    font-size: 0.85rem;
    color: var(--aiq-muted);
}

.aiq-quiz .aiq-answers {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 16px 0 20px;
}

.aiq-quiz .aiq-answer {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    width: 100%;
    min-height: 52px;
    padding: 12px 14px;
    border: 2px solid var(--aiq-border);
    border-radius: var(--aiq-radius-sm);
    background: var(--aiq-bg);
    color: var(--aiq-text);
    font-size: 1rem;
    line-height: 1.5;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
    -webkit-tap-highlight-color: transparent;
}

.aiq-quiz .aiq-answer:hover:not(:disabled) {
    border-color: var(--aiq-primary);
}

.aiq-quiz .aiq-answer:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.aiq-quiz .aiq-answer-key {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    margin-top: 1px;
    border-radius: 50%;
    background: var(--aiq-surface);
    border: 1px solid var(--aiq-border);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--aiq-muted);
}

.aiq-quiz .aiq-answer[aria-pressed="true"] {
    border-color: var(--aiq-primary);
    background: var(--aiq-primary-soft);
}

.aiq-quiz .aiq-answer[aria-pressed="true"] .aiq-answer-key {
    background: var(--aiq-primary);
    border-color: var(--aiq-primary);
    color: #ffffff;
}

/* Feedback --------------------------------------------------------------- */

.aiq-quiz .aiq-feedback {
    border-radius: var(--aiq-radius-sm);
    border: 1px solid var(--aiq-border);
    padding: 16px;
    margin-bottom: 20px;
}

.aiq-quiz .aiq-feedback--correct {
    background: var(--aiq-success-soft);
    border-color: var(--aiq-success-border);
}

.aiq-quiz .aiq-feedback--wrong {
    background: var(--aiq-error-soft);
    border-color: var(--aiq-error-border);
}

.aiq-quiz .aiq-feedback-status {
    font-weight: 700;
    margin-bottom: 8px;
}

.aiq-quiz .aiq-feedback--correct .aiq-feedback-status {
    color: var(--aiq-success);
}

.aiq-quiz .aiq-feedback--wrong .aiq-feedback-status {
    color: var(--aiq-error);
}

.aiq-quiz .aiq-feedback p:last-child {
    margin-bottom: 0;
}

/* Ergebnis --------------------------------------------------------------- */

.aiq-quiz .aiq-score-big {
    font-size: clamp(2rem, 8vw, 2.8rem);
    font-weight: 800;
    color: var(--aiq-primary);
    margin: 4px 0 8px;
    line-height: 1.15;
}

.aiq-quiz .aiq-level-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--aiq-primary-soft);
    color: var(--aiq-primary-dark);
    font-weight: 700;
    margin-bottom: 12px;
}

.aiq-quiz .aiq-categories {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 12px 0 20px;
}

.aiq-quiz .aiq-category-row .aiq-category-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 4px;
    font-size: 0.95rem;
}

.aiq-quiz .aiq-category-percent {
    font-weight: 700;
}

.aiq-quiz .aiq-review {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 12px;
}

.aiq-quiz .aiq-review-item {
    border: 1px solid var(--aiq-border);
    border-left: 4px solid var(--aiq-border);
    border-radius: var(--aiq-radius-sm);
    background: var(--aiq-surface);
    padding: 14px 16px;
}

.aiq-quiz .aiq-review-item--correct {
    border-left-color: var(--aiq-success);
}

.aiq-quiz .aiq-review-item--wrong {
    border-left-color: var(--aiq-error);
}

.aiq-quiz .aiq-review-question {
    font-weight: 600;
    margin-bottom: 10px;
}

.aiq-quiz .aiq-review-answers {
    list-style: none;
    margin: 0 0 10px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.95rem;
}

.aiq-quiz .aiq-review-answers li {
    display: flex;
    gap: 8px;
    align-items: baseline;
}

.aiq-quiz .aiq-review-mark {
    flex: 0 0 auto;
    font-weight: 700;
    width: 1.2em;
}

.aiq-quiz .aiq-review-answers .is-correct {
    color: var(--aiq-success);
    font-weight: 600;
}

.aiq-quiz .aiq-review-answers .is-wrong-selected {
    color: var(--aiq-error);
}

.aiq-quiz .aiq-review-explanation {
    font-size: 0.95rem;
    color: var(--aiq-muted);
    margin: 0;
}

.aiq-quiz .aiq-review-source {
    font-size: 0.85rem;
    margin: 8px 0 0;
}

.aiq-quiz .aiq-review-source a {
    color: var(--aiq-primary);
}

/* Ergebnis-E-Mail -------------------------------------------------------- */

.aiq-quiz .aiq-email-block {
    margin-top: 24px;
    padding: 18px;
    border: 1px solid var(--aiq-border);
    border-radius: var(--aiq-radius-sm);
    background: var(--aiq-surface);
}

.aiq-quiz .aiq-email-block h3 {
    margin-top: 0;
}

.aiq-quiz .aiq-email-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.aiq-quiz .aiq-email-input {
    display: block;
    width: 100%;
    min-height: 48px;
    padding: 10px 14px;
    margin-bottom: 12px;
    border: 2px solid var(--aiq-border);
    border-radius: var(--aiq-radius-sm);
    background: var(--aiq-bg);
    color: var(--aiq-text);
    font-size: 1rem;
    font-family: inherit;
}

.aiq-quiz .aiq-email-input:focus-visible {
    outline: 3px solid var(--aiq-primary);
    outline-offset: 2px;
}

.aiq-quiz .aiq-email-input:disabled {
    opacity: 0.6;
}

.aiq-quiz .aiq-email-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 12px;
    cursor: pointer;
}

.aiq-quiz .aiq-email-consent input {
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    margin-top: 2px;
}

.aiq-quiz .aiq-email-privacy {
    font-size: 0.85rem;
    color: var(--aiq-muted);
    margin-bottom: 12px;
}

.aiq-quiz .aiq-email-status {
    margin: 12px 0 0;
    font-size: 0.95rem;
    font-weight: 600;
}

.aiq-quiz .aiq-email-status--success {
    color: var(--aiq-success);
}

.aiq-quiz .aiq-email-status--error {
    color: var(--aiq-error);
}

/* Status / Fehler -------------------------------------------------------- */

.aiq-quiz .aiq-error {
    border: 1px solid var(--aiq-error-border);
    background: var(--aiq-error-soft);
    color: var(--aiq-error);
    border-radius: var(--aiq-radius-sm);
    padding: 14px 16px;
    margin-bottom: 16px;
}

.aiq-quiz .aiq-loading {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--aiq-muted);
    padding: 24px 0;
    justify-content: center;
}

.aiq-quiz .aiq-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid var(--aiq-border);
    border-top-color: var(--aiq-primary);
    border-radius: 50%;
    animation: aiq-spin 0.8s linear infinite;
}

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

.aiq-quiz .aiq-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Animationen ------------------------------------------------------------ */

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

@keyframes aiq-fade-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

.aiq-quiz .aiq-fade-in {
    animation: aiq-fade-in 0.3s ease both;
}

@media (prefers-reduced-motion: reduce) {
    .aiq-quiz .aiq-fade-in {
        animation: none;
    }

    .aiq-quiz .aiq-progress-fill,
    .aiq-quiz .aiq-btn,
    .aiq-quiz .aiq-answer {
        transition: none;
    }
}

/* Größere Screens -------------------------------------------------------- */

@media (min-width: 640px) {
    .aiq-quiz .aiq-card {
        padding: 32px;
    }

    .aiq-quiz h2 {
        font-size: 1.6rem;
    }

    .aiq-quiz .aiq-question-text {
        font-size: 1.25rem;
    }

    .aiq-quiz .aiq-mode-grid {
        grid-template-columns: 1fr 1fr;
    }

    .aiq-quiz .aiq-actions {
        flex-direction: row;
        justify-content: flex-end;
    }
}

/* Frage-Timer ------------------------------------------------------------ */

.aiq-quiz {
    /* Abstand zum oberen Rand beim automatischen Scrollen (Sticky-Header). */
    --aiq-scroll-offset: 24px;
    --aiq-warning: #b45309;
    --aiq-warning-soft: #fffbeb;
}

.aiq-quiz .aiq-timer {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4px 12px;
    align-items: baseline;
    margin: 0 0 16px;
    padding: 10px 14px;
    border: 1px solid var(--aiq-border);
    border-radius: var(--aiq-radius-sm);
    background: var(--aiq-surface);
}

.aiq-quiz .aiq-timer-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--aiq-muted);
}

.aiq-quiz .aiq-timer-value {
    font-size: 1.1rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--aiq-text);
    text-align: right;
}

.aiq-quiz .aiq-timer-track {
    grid-column: 1 / -1;
    height: 5px;
    border-radius: 999px;
    background: var(--aiq-border);
    overflow: hidden;
}

.aiq-quiz .aiq-timer-fill {
    height: 100%;
    width: 100%;
    border-radius: 999px;
    background: var(--aiq-primary);
    transition: width 0.25s linear, background-color 0.3s ease;
}

.aiq-quiz .aiq-timer--warning {
    border-color: #fcd34d;
    background: var(--aiq-warning-soft);
}

.aiq-quiz .aiq-timer--warning .aiq-timer-value {
    color: var(--aiq-warning);
}

.aiq-quiz .aiq-timer--warning .aiq-timer-fill {
    background: #f59e0b;
}

.aiq-quiz .aiq-timer--critical {
    border-color: var(--aiq-error-border);
    background: var(--aiq-error-soft);
}

.aiq-quiz .aiq-timer--critical .aiq-timer-value {
    color: var(--aiq-error);
}

.aiq-quiz .aiq-timer--critical .aiq-timer-fill {
    background: var(--aiq-error);
}

.aiq-quiz .aiq-total-time {
    font-size: 0.9rem;
    margin-top: -4px;
}

.aiq-quiz .aiq-review-noanswer {
    margin: 0 0 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--aiq-error);
}

@media (prefers-reduced-motion: reduce) {
    .aiq-quiz .aiq-timer-fill {
        transition: none;
    }
}