/* ===== Quiz Editor (Admin) ===== */
.quiz-editor {
    max-width: 800px;
}

/* State cards (error / empty) */
.quiz-error-card,
.quiz-empty-card {
    text-align: center;
    padding: 2.5rem 2rem;
}

.quiz-state-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.quiz-state-icon-lg {
    font-size: 3rem;
}

.quiz-state-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0.75rem 0 1.25rem;
    line-height: 1.5;
}

/* Editor header */
.quiz-editor-header {
    margin-bottom: 1.25rem;
}

.quiz-editor-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.quiz-editor-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.quiz-editor-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.quiz-status-badge {
    margin-top: 0.5rem;
    display: inline-block;
}

/* Settings card */
.quiz-settings-card {
    margin-bottom: 1.25rem;
}

.quiz-section-heading {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.quiz-settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
}

.quiz-setting-item {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.quiz-setting-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.quiz-setting-input-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.quiz-range-input {
    flex: 1;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-tertiary);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.quiz-range-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: 2px solid var(--bg-primary);
}

.quiz-range-input::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: 2px solid var(--bg-primary);
}

.quiz-range-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    min-width: 3rem;
    text-align: right;
}

.quiz-number-input {
    width: 100%;
    padding: 0.45rem 0.65rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.quiz-number-input:focus {
    border-color: var(--accent);
}

.quiz-number-input[type="datetime-local"] {
    color-scheme: dark;
}

.quiz-setting-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* Questions list */
.quiz-questions-heading {
    margin-bottom: 0.75rem;
}

.quiz-questions-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.quiz-question-card {
    padding: 1.25rem;
    transition: border-color 0.2s;
}

.quiz-question-card:hover {
    border-color: var(--accent-hover);
}

.quiz-question-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.quiz-question-number {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
    background: rgba(255, 92, 57, 0.12);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
}

.quiz-question-id {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
}

.quiz-question-controls {
    margin-left: auto;
    display: flex;
    gap: 0.25rem;
}

.quiz-ctrl-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.15s;
    padding: 0;
}

.quiz-ctrl-btn:hover:not(:disabled) {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.quiz-ctrl-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.quiz-ctrl-delete:hover:not(:disabled) {
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: var(--danger);
}

/* Question fields */
.quiz-field {
    margin-bottom: 0.75rem;
}

.quiz-field-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.quiz-textarea {
    width: 100%;
    padding: 0.55rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    resize: vertical;
    outline: none;
    transition: border-color 0.2s;
    line-height: 1.5;
}

.quiz-textarea:focus {
    border-color: var(--accent);
}

.quiz-textarea-sm {
    min-height: 50px;
}

/* Option rows */
.quiz-option-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.35rem;
}

.quiz-option-radio {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.7rem;
    transition: all 0.15s;
    padding: 0;
    flex-shrink: 0;
}

.quiz-option-radio:hover {
    border-color: var(--success);
    color: var(--success);
}

.quiz-option-correct {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success);
}

.quiz-option-letter {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 1.2rem;
    flex-shrink: 0;
}

.quiz-option-input {
    flex: 1;
    padding: 0.4rem 0.6rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.2s;
}

.quiz-option-input:focus {
    border-color: var(--accent);
}

.quiz-add-option-btn {
    margin-top: 0.35rem;
    font-size: 0.78rem;
}

/* Add question button */
.quiz-add-question {
    display: flex;
    justify-content: center;
    padding: 1rem 0;
}

/* Save bar */
.quiz-save-bar {
    display: flex;
    justify-content: flex-end;
    padding: 1.25rem 0;
    border-top: 1px solid var(--border);
    margin-top: 1rem;
}

/* ===== Quiz Preview ===== */
.quiz-preview {
    padding: 0.5rem 0;
}

.quiz-preview-info {
    display: flex;
    gap: 1.5rem;
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
}

.quiz-preview-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
}

.quiz-preview-stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
}

.quiz-preview-stat-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.quiz-preview-questions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.quiz-preview-question {
    padding: 1rem 1.25rem;
}

.quiz-preview-question-text {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.quiz-preview-options {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding-left: 0.5rem;
}

.quiz-preview-option {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    color: var(--text-secondary);
    transition: background 0.15s;
}

.quiz-preview-option:hover {
    background: var(--bg-hover);
}

.quiz-preview-option-letter {
    font-weight: 600;
    color: var(--text-muted);
    flex-shrink: 0;
}

.quiz-preview-note {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 1.25rem;
    font-style: italic;
}

/* ===== Quiz Question Disabled State ===== */
.quiz-question-disabled {
    opacity: 0.55;
    border-color: var(--border);
}

.quiz-question-disabled:hover {
    border-color: var(--border);
}

.quiz-toggle-on {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success);
}

.quiz-toggle-off {
    background: var(--bg-tertiary);
    border-color: var(--border);
    color: var(--text-muted);
}

/* ===== Quiz Import Modal ===== */
.quiz-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.quiz-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
}

.quiz-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.quiz-modal-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.quiz-modal-body {
    padding: 1rem 1.25rem;
}

.quiz-modal-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.quiz-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--border);
}

.quiz-import-mode {
    margin-bottom: 0.75rem;
}

.quiz-import-mode-btns {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.3rem;
}

.quiz-import-textarea {
    font-family: monospace;
    font-size: 0.82rem;
    min-height: 200px;
}