/**
 * WP Quiz Press Pro - Frontend Stylesheet
 */
:root {
    --quiz-primary: #2563eb;
    --quiz-primary-hover: #1d4ed8;
    --quiz-primary-light: #eff6ff;
    --quiz-border: #cbd5e1;
    --quiz-radius: 8px;
}

/* General responsive safety & box-sizing */
.wp-quiz-container,
.wp-quiz-container *,
.wp-quiz-container *::before,
.wp-quiz-container *::after {
    box-sizing: border-box;
}

.wp-quiz-container {
    max-width: 760px;
    width: 100%;
    margin: 24px auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    border: 1px solid var(--quiz-border);
    border-radius: var(--quiz-radius);
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    padding: 24px;
    overflow-wrap: break-word;
}

.wp-quiz-header {
    border-bottom: 1px solid #f1f5f9;
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.wp-quiz-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 8px 0;
    overflow-wrap: break-word;
    word-break: break-word;
}

.wp-quiz-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 0.8rem;
}

.wp-quiz-badge {
    background: #f1f5f9;
    color: #475569;
    padding: 3px 10px;
    border-radius: 9999px;
    font-weight: 600;
}

.wp-quiz-timer-badge {
    background: #fee2e2;
    color: #b91c1c;
    padding: 3px 10px;
    border-radius: 9999px;
    font-weight: 700;
    font-family: monospace;
}

.wp-quiz-progress-track {
    width: 100%;
    height: 6px;
    background: #f1f5f9;
    border-radius: 9999px;
    overflow: hidden;
    margin: 16px 0;
}

.wp-quiz-progress-fill {
    height: 100%;
    background: var(--quiz-primary);
    transition: width 0.3s ease;
}

.wp-quiz-question-box {
    margin-bottom: 24px;
}

.wp-quiz-question-number {
    font-size: 0.8rem;
    color: var(--quiz-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.wp-quiz-question-text {
    font-size: 1.15rem;
    font-weight: 700;
    color: #0f172a;
    line-height: 1.4;
    margin: 0 0 16px 0;
    overflow-wrap: break-word;
    word-break: break-word;
}

.wp-quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.wp-quiz-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #ffffff;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    font-size: 0.95rem;
    color: #334155;
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
}

.wp-quiz-option:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.wp-quiz-option:focus-visible {
    outline: 2px solid var(--quiz-primary);
    outline-offset: 2px;
    border-color: var(--quiz-primary);
}

.wp-quiz-option.is-selected {
    border-color: var(--quiz-primary);
    background: var(--quiz-primary-light);
    color: var(--quiz-primary);
    font-weight: 600;
}

.wp-quiz-option-indicator {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #ffffff;
    flex-shrink: 0;
}

.wp-quiz-option.is-selected .wp-quiz-option-indicator {
    background: var(--quiz-primary);
    border-color: var(--quiz-primary);
}

.wp-quiz-sorting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    margin-bottom: 8px;
    max-width: 100%;
    overflow-wrap: break-word;
}

.wp-quiz-sort-btn {
    min-width: 32px;
    min-height: 32px;
    padding: 4px 8px;
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    cursor: pointer;
    touch-action: manipulation;
}

.wp-quiz-sort-btn:focus-visible {
    outline: 2px solid var(--quiz-primary);
    outline-offset: 1px;
}

.wp-quiz-matching-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    margin-bottom: 8px;
    max-width: 100%;
}

.wp-quiz-match-select {
    padding: 6px 10px;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    font-size: 0.9rem;
    max-width: 100%;
    background: #ffffff;
    color: #1e293b;
    outline: none;
}

.wp-quiz-match-select:focus-visible {
    outline: 2px solid var(--quiz-primary);
    outline-offset: 2px;
    border-color: var(--quiz-primary);
}

.wp-quiz-input-text {
    width: 100%;
    max-width: 100%;
    padding: 10px 14px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 0.95rem;
    outline: none;
}

.wp-quiz-input-text:focus {
    border-color: var(--quiz-primary);
    box-shadow: 0 0 0 2px var(--quiz-primary-light);
}

.wp-quiz-input-text:focus-visible {
    border-color: var(--quiz-primary);
    outline: 2px solid var(--quiz-primary);
    outline-offset: 1px;
    box-shadow: 0 0 0 2px var(--quiz-primary-light);
}

.wp-quiz-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #f1f5f9;
    padding-top: 16px;
    gap: 12px;
}

.wp-quiz-btn {
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    touch-action: manipulation;
    max-width: 100%;
}

.wp-quiz-btn:focus-visible {
    outline: 2px solid var(--quiz-primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 2px #ffffff, 0 0 0 4px var(--quiz-primary);
}

.wp-quiz-btn:disabled,
.wp-quiz-btn[disabled] {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}

.wp-quiz-btn:disabled:hover,
.wp-quiz-btn[disabled]:hover {
    background: inherit;
    color: inherit;
    box-shadow: none;
    cursor: not-allowed;
}

.wp-quiz-btn-primary {
    background: var(--quiz-primary);
    color: #ffffff;
}

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

.wp-quiz-btn-secondary {
    background: #f1f5f9;
    color: #475569;
}

.wp-quiz-btn-secondary:hover:not(:disabled) {
    background: #e2e8f0;
}

.wp-quiz-btn-secondary:disabled,
.wp-quiz-btn-secondary[disabled] {
    background: #f1f5f9;
    color: #94a3b8;
    opacity: 0.5;
}

/* Unscramble Question Styles */
.wp-quiz-unscramble-container {
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: 8px;
    padding: 16px;
    margin: 12px 0;
    max-width: 100%;
}

.wp-quiz-unscramble-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.wp-quiz-unscramble-instructions {
    font-size: 0.85rem;
    font-weight: 600;
    color: #92400e;
    margin-bottom: 0;
}

.wp-quiz-unscramble-preview {
    background: #ffffff;
    border: 1px solid #fde68a;
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 1.05rem;
    font-style: italic;
    font-family: Georgia, Cambria, serif;
    color: #1e293b;
    margin-bottom: 12px;
    min-height: 24px;
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
}

.wp-quiz-unscramble-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    max-width: 100%;
}

.wp-quiz-unscramble-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: #ffffff;
    border: 1px solid #f59e0b;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    color: #1e293b;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    transition: all 0.15s ease;
    max-width: 100%;
}

.wp-quiz-unscramble-chip:hover {
    border-color: #d97706;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.wp-quiz-unscramble-chip:focus-visible {
    outline: 2px solid var(--quiz-primary);
    outline-offset: 2px;
}

.wp-quiz-unscramble-chip:active,
.wp-quiz-unscramble-chip.is-dragging {
    cursor: grabbing;
    opacity: 0.4;
    border-style: dashed;
}

.wp-quiz-unscramble-chip.is-drag-over {
    border-color: #2563eb;
    background: #eff6ff;
}

.wp-quiz-unscramble-drag-handle {
    color: #f59e0b;
    font-size: 13px;
    cursor: grab;
    line-height: 1;
    flex-shrink: 0;
}

.wp-quiz-unscramble-text {
    overflow-wrap: break-word;
    word-break: break-word;
}

.wp-quiz-unscramble-controls {
    display: inline-flex;
    gap: 3px;
    margin-left: 6px;
    padding-left: 6px;
    border-left: 1px solid #fde68a;
    flex-shrink: 0;
}

/* Touch-friendly Unscramble Move Controls */
.wp-quiz-unscramble-move {
    min-width: 34px;
    min-height: 34px;
    width: 34px;
    height: 34px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    font-size: 0.95rem;
    line-height: 1;
    cursor: pointer;
    color: #475569;
    touch-action: manipulation;
    transition: all 0.15s ease;
    box-sizing: border-box;
}

.wp-quiz-unscramble-move:hover:not(:disabled) {
    background: #fef3c7;
    color: #92400e;
    border-color: #f59e0b;
}

.wp-quiz-unscramble-move:focus-visible {
    outline: 2px solid var(--quiz-primary);
    outline-offset: 1px;
}

.wp-quiz-unscramble-move:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.wp-quiz-unscramble-move:disabled:hover {
    background: #f8fafc;
    color: #475569;
    border-color: #cbd5e1;
}

/* Reset / Shuffle Button Styling */
.wp-quiz-unscramble-reset {
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    padding: 4px 10px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #475569;
    cursor: pointer;
    touch-action: manipulation;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    line-height: 1.4;
}

.wp-quiz-unscramble-reset:hover {
    background: #fef3c7;
    color: #92400e;
    border-color: #f59e0b;
}

.wp-quiz-unscramble-reset:focus-visible {
    outline: 2px solid var(--quiz-primary);
    outline-offset: 2px;
}

.wp-quiz-unscramble-reset:active {
    background: #fde68a;
}

/* Results Card & Certificate */
.wp-quiz-results-card {
    text-align: center;
    padding: 24px 0;
}

.wp-quiz-score-circle {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 800;
    font-size: 1.8rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.wp-quiz-score-circle.is-passed {
    background: #059669;
}

.wp-quiz-score-circle.is-failed {
    background: #dc2626;
}

.wp-quiz-certificate {
    margin: 24px auto 0;
    padding: 24px;
    border: 4px double #d97706;
    background: #fffbeb;
    color: #78350f;
    border-radius: 8px;
    max-width: 520px;
}

.wp-quiz-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid #e2e8f0;
    border-top-color: var(--quiz-primary);
    border-radius: 50%;
    animation: wpQuizSpin 0.8s linear infinite;
    margin: 30px auto 10px;
}

@keyframes wpQuizSpin {
    to { transform: rotate(360deg); }
}

/* Mobile Breakpoint */
@media (max-width: 600px) {
    .wp-quiz-container {
        padding: 14px 16px;
        margin: 12px auto;
        border-radius: 6px;
    }

    .wp-quiz-header {
        margin-bottom: 14px;
        padding-bottom: 12px;
    }

    .wp-quiz-title {
        font-size: 1.2rem;
    }

    .wp-quiz-question-box {
        margin-bottom: 16px;
    }

    .wp-quiz-question-text {
        font-size: 1.05rem;
        line-height: 1.35;
        margin-bottom: 12px;
    }

    .wp-quiz-progress-track {
        margin: 12px 0;
    }

    .wp-quiz-matching-row {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .wp-quiz-matching-row .wp-quiz-match-select {
        width: 100%;
    }

    .wp-quiz-unscramble-container {
        padding: 12px 14px;
    }

    .wp-quiz-unscramble-preview {
        font-size: 0.95rem;
        padding: 8px 12px;
    }

    .wp-quiz-unscramble-chip {
        font-size: 0.9rem;
        padding: 5px 8px;
    }

    .wp-quiz-unscramble-move {
        min-width: 32px;
        min-height: 32px;
        width: 32px;
        height: 32px;
    }

    .wp-quiz-footer {
        flex-wrap: wrap;
        gap: 10px;
        padding-top: 14px;
    }

    .wp-quiz-footer .wp-quiz-btn {
        flex: 1 1 calc(50% - 6px);
        min-width: 120px;
        text-align: center;
        justify-content: center;
        padding: 10px 14px;
    }
}