.qz-question-input {
    min-height: 320px;
    font-family: 'Roboto Mono', monospace;
    font-size: 13px;
    line-height: 1.5;
}

.qz-toggle-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.qz-toggle-group .control-label {
    margin-bottom: 0;
    flex: 1;
}

.qz-toggle-group .switch {
    width: 42px;
    height: 24px;
}

.qz-toggle-group .switch-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.38);
    border: 1px solid rgba(148, 163, 184, 0.32);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.qz-toggle-group .switch-slider::before {
    position: absolute;
    content: '';
    width: 18px;
    height: 18px;
    left: 2px;
    top: 2px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.24);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.qz-toggle-group .switch input:checked+.switch-slider {
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-secondary) 100%);
    border-color: transparent;
}

.qz-toggle-group .switch input:checked+.switch-slider::before {
    transform: translateX(18px);
}

.qz-toggle-group .switch input:focus-visible+.switch-slider {
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.18);
}

/* =========================================
   QUICK-INSERT BAR
   ========================================= */
.qz-insert-bar {
    display: flex;
    gap: 6px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.qz-insert-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.12));
    border-radius: 8px;
    background: var(--panel-surface-2, rgba(255, 255, 255, 0.06));
    color: var(--text-secondary, rgba(255, 255, 255, 0.72));
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.qz-insert-btn .material-icons-round {
    font-size: 15px;
}

.qz-insert-btn:hover {
    background: var(--c-primary, #0ea5e9);
    color: #fff;
    border-color: var(--c-primary, #0ea5e9);
}

/* =========================================
   COLLAPSIBLE FORMAT GUIDE
   ========================================= */
.qz-format-help {
    margin-top: 12px;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    border-radius: 14px;
    background: var(--panel-surface-2, rgba(255, 255, 255, 0.04));
    overflow: hidden;
}

.qz-format-help__title {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary, rgba(255, 255, 255, 0.72));
    background: var(--panel-surface-3, rgba(255, 255, 255, 0.05));
    cursor: pointer;
    list-style: none;
}

.qz-format-help__title::-webkit-details-marker {
    display: none;
}

.qz-format-help__title::after {
    content: '▸';
    margin-left: auto;
    font-size: 11px;
    transition: transform 0.2s;
}

details[open]>.qz-format-help__title::after {
    transform: rotate(90deg);
}

.qz-format-help__code {
    margin: 0;
    padding: 14px;
    overflow-x: auto;
    white-space: pre-wrap;
    font-family: 'Roboto Mono', monospace;
    font-size: 12px;
    line-height: 1.55;
}

.qz-format-help__legend {
    padding: 12px 14px;
    border-top: 1px solid var(--border-color, rgba(255, 255, 255, 0.08));
    display: grid;
    gap: 6px;
    font-size: 12px;
    line-height: 1.45;
    color: var(--text-secondary, rgba(255, 255, 255, 0.72));
}

.qz-format-help__legend code {
    padding: 1px 5px;
    border-radius: 4px;
    background: var(--panel-surface-3, rgba(255, 255, 255, 0.08));
    font-family: 'Roboto Mono', monospace;
    font-size: 11px;
}

.toolbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toolbar-separator {
    opacity: 0.45;
}

.btn--small {
    min-height: 36px;
    padding: 0 12px;
    font-size: 13px;
}

.qz-empty,
.qz-error-panel {
    max-width: 880px;
    margin: 32px auto;
    padding: 28px;
    border-radius: 24px;
    background: var(--panel-surface-2, rgba(255, 255, 255, 0.05));
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
}

.qz-empty__title,
.qz-error-panel__title {
    margin: 0 0 10px;
    font-size: 24px;
    font-weight: 800;
}

.qz-empty__text,
.qz-error-panel__text {
    margin: 0 0 14px;
    color: var(--text-secondary, rgba(255, 255, 255, 0.72));
    line-height: 1.65;
}

.qz-error-panel {
    border-color: rgba(239, 68, 68, 0.35);
    background: rgba(127, 29, 29, 0.12);
}

.qz-error-list {
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 8px;
}

.qz-sheet {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.qz-sheet__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 2px;
}

.qz-sheet__title-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.qz-sheet__title {
    font-size: 24px;
    font-weight: 900;
    line-height: 1.15;
}

.qz-sheet__subtitle {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #0f766e;
}

.qz-version-badge {
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #ffffff;
    background: linear-gradient(135deg, #0f766e, #0ea5e9);
}

.qz-instructions {
    padding: 12px 14px;
    border-radius: 14px;
    background: #ecfeff;
    border: 1px solid #a5f3fc;
    color: #164e63;
    font-size: 13px;
    line-height: 1.55;
}

.qz-body {
    display: grid;
    gap: 14px;
}

.qz-body.qz-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
}

.qz-question {
    break-inside: avoid;
    border: 1px solid #d9e2ec;
    border-radius: 16px;
    padding: 14px 16px;
    background: #ffffff;
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03);
}

.qz-question__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
}

.qz-question__number {
    font-weight: 900;
    color: #0f172a;
}

.qz-question__points {
    flex-shrink: 0;
    padding: 4px 8px;
    border-radius: 999px;
    background: #eff6ff;
    color: #1d4ed8;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.qz-question__prompt {
    margin: 0;
    color: #111827;
    font-size: 14px;
    line-height: 1.55;
    white-space: pre-line;
}

.qz-options {
    margin: 12px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 8px;
}

.qz-option {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    line-height: 1.5;
    color: #1f2937;
}

.qz-option__label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 999px;
    background: #f3f4f6;
    font-size: 12px;
    font-weight: 800;
    color: #334155;
}

.qz-response-lines {
    margin-top: 12px;
    display: grid;
    gap: 10px;
}

.qz-response-line {
    border-bottom: 1px solid #94a3b8;
    min-height: 22px;
}

.qz-answer-key {
    display: grid;
    gap: 10px;
}

.qz-answer-key__item {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid #dbeafe;
    background: #f8fbff;
}

.qz-answer-key__num {
    font-weight: 900;
    color: #1d4ed8;
}

.qz-answer-key__value {
    color: #0f172a;
    line-height: 1.45;
}

.qz-answer-key__prompt {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: #475569;
}

/*
 * NOTE: All quiz content (.qz-question, .qz-instructions, .qz-answer-key__item,
 * .qz-option--checkbox, etc.) renders inside .sheet which forces background: #fff
 * and color: #000. No dark-theme overrides needed — they cause dark cards on white paper.
 */

@media (max-width: 900px) {
    .qz-body.qz-cols-2 {
        grid-template-columns: 1fr;
    }
}

/* =========================================
   SELECT-ALL-THAT-APPLY (CHECKBOX STYLE)
   ========================================= */
.qz-option--checkbox .qz-option__label {
    border-radius: 4px;
    border: 2px solid #94a3b8;
    background: #fff;
    color: transparent;
    font-size: 0;
}

.qz-select-all-hint {
    margin: 8px 0 0;
    font-size: 11px;
    font-style: italic;
    color: #6b7280;
}

/* =========================================
   QUIZ SUMMARY BAR (total points on sheet)
   ========================================= */
.qz-summary-bar {
    display: flex;
    justify-content: flex-end;
    gap: 16px;
    padding: 6px 0;
    font-size: 12px;
    font-weight: 700;
    color: #475569;
    border-top: 1px solid #e2e8f0;
    margin-top: auto;
}

.qz-summary-bar__item {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* =========================================
   PRINT OVERRIDES – Clean Printable Output
   ========================================= */
@media print {

    /* Hide non-printable elements */
    .qz-empty,
    .qz-error-panel {
        display: none !important;
    }

    /* ── Force all quiz elements to light-on-white ── */
    .qz-sheet {
        color: #000 !important;
    }

    .qz-sheet__title {
        color: #000 !important;
    }

    .qz-sheet__subtitle {
        color: #0f766e !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    .qz-version-badge {
        background: #0f766e !important;
        color: #fff !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    .qz-instructions {
        background: #f0fdfa !important;
        border-color: #99f6e4 !important;
        color: #134e4a !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    /* ── Question cards ── */
    .qz-question {
        background: #fff !important;
        border-color: #d1d5db !important;
        box-shadow: none !important;
        border-radius: 8px !important;
    }

    .qz-question__number {
        color: #000 !important;
    }

    .qz-question__prompt {
        color: #111827 !important;
    }

    .qz-question__points {
        background: #f3f4f6 !important;
        color: #374151 !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    /* ── MC / TF options – clean bubbles ── */
    .qz-option {
        color: #1f2937 !important;
    }

    .qz-option__label {
        background: #fff !important;
        color: #000 !important;
        border: 1.5px solid #000 !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    /* Checkbox-style (select-all) — print as empty square */
    .qz-option--checkbox .qz-option__label {
        border-radius: 3px !important;
        border: 1.5px solid #000 !important;
        background: #fff !important;
        color: transparent !important;
    }

    .qz-select-all-hint {
        color: #374151 !important;
    }

    /* ── Response lines ── */
    .qz-response-line {
        border-bottom-color: #000 !important;
    }

    /* ── Answer key ── */
    .qz-answer-key__item {
        background: #f8fafc !important;
        border-color: #d1d5db !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    .qz-answer-key__num {
        color: #1d4ed8 !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    .qz-answer-key__value {
        color: #000 !important;
    }

    .qz-answer-key__prompt {
        color: #4b5563 !important;
    }

    /* ── Summary bar ── */
    .qz-summary-bar {
        color: #374151 !important;
        border-top-color: #d1d5db !important;
    }
}