/* ── Reset & base ─────────────────────────── */

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

:root {
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-success: #16a34a;
    --color-danger: #dc2626;
    --color-danger-hover: #b91c1c;
    --color-warning: #f59e0b;
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-border: #e2e8f0;
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-overlay: rgba(0, 0, 0, 0.5);
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    min-height: 100vh;
}

/* ── Header ───────────────────────────────── */

.header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

/* ── Container ────────────────────────────── */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* ── Buttons ──────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s;
    text-decoration: none;
    line-height: 1.4;
}

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

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

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

.btn-success {
    background: var(--color-success);
    color: white;
}

.btn-danger {
    background: var(--color-danger);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: var(--color-danger-hover);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-outline:hover:not(:disabled) {
    background: var(--color-bg);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn-icon {
    padding: 6px;
    min-width: 32px;
    justify-content: center;
}

/* ── Cards ────────────────────────────────── */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.card-body {
    padding: 16px;
}

/* ── Tables ───────────────────────────────── */

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
}

th {
    font-weight: 600;
    font-size: 13px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: var(--color-bg);
}

/* ── Upload zone ──────────────────────────── */

.upload-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 40px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    margin-bottom: 24px;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--color-primary);
    background: rgba(37, 99, 235, 0.04);
}

.upload-zone p {
    color: var(--color-text-secondary);
    margin-top: 8px;
}

.upload-zone input[type="file"] {
    display: none;
}

/* ── Status badges ────────────────────────── */

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: #dcfce7;
    color: #166534;
}

.badge-pending {
    background: #fef3c7;
    color: #92400e;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

/* ── Spinner ──────────────────────────────── */

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: inline-block;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

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

.loading-center {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px;
    flex-direction: column;
    gap: 12px;
    color: var(--color-text-secondary);
}

/* ── PDF Viewer layout ────────────────────── */

.viewer {
    display: grid;
    grid-template-columns: 200px 1fr 320px;
    gap: 16px;
    min-height: calc(100vh - 120px);
}

.viewer-sidebar {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 12px;
    overflow-y: auto;
    max-height: calc(100vh - 120px);
    position: sticky;
    top: 72px;
}

.viewer-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.viewer-questions {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 12px;
    overflow-y: auto;
    max-height: calc(100vh - 120px);
    position: sticky;
    top: 72px;
}

/* Page list in sidebar */

.page-list {
    list-style: none;
}

.page-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.1s;
}

.page-list li:hover {
    background: var(--color-bg);
}

.page-list li.active {
    background: var(--color-primary);
    color: white;
}

/* Page image */

.page-image-wrapper {
    position: relative;
    display: inline-block;
}

.page-image-wrapper img {
    max-width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.page-image-wrapper canvas {
    position: absolute;
    top: 0;
    left: 0;
    border-radius: var(--radius);
    cursor: crosshair;
}

/* Question cards */

.question-card {
    border: 1px solid var(--color-border);
    border-radius: 6px;
    margin-bottom: 12px;
    overflow: hidden;
}

.question-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--color-bg);
    font-size: 13px;
    font-weight: 600;
}

.question-card-actions {
    display: flex;
    gap: 4px;
}

.question-card img {
    width: 100%;
    display: block;
    cursor: pointer;
}

/* ── Breadcrumb ───────────────────────────── */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    color: var(--color-text-secondary);
}

/* ── Toolbar ──────────────────────────────── */

.toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.toolbar-spacer {
    flex: 1;
}

/* ── Modal ────────────────────────────────── */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: var(--color-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    max-width: 90vw;
    max-height: 90vh;
    overflow: auto;
    padding: 24px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.modal-header h3 {
    font-size: 18px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 16px;
}

/* ── Recrop canvas area ───────────────────── */

.recrop-container {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.recrop-canvas-wrap {
    position: relative;
    flex: 1;
    overflow: auto;
    max-height: 70vh;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.recrop-canvas-wrap canvas {
    display: block;
    cursor: crosshair;
}

.recrop-panel {
    width: 240px;
    flex-shrink: 0;
}

.recrop-preview {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 12px;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
}

.recrop-preview img {
    max-width: 100%;
    max-height: 200px;
}

.recrop-preview .placeholder {
    color: var(--color-text-secondary);
    font-size: 13px;
    padding: 20px;
    text-align: center;
}

/* ── Form elements ────────────────────────── */

.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 4px;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--color-primary);
}

/* ── Toast ────────────────────────────────── */

#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius);
    color: white;
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    animation: toast-in 0.3s ease;
    max-width: 400px;
}

.toast-success {
    background: var(--color-success);
}

.toast-error {
    background: var(--color-danger);
}

.toast-info {
    background: var(--color-primary);
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Empty state ──────────────────────────── */

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--color-text-secondary);
}

/* ── Section title ────────────────────────── */

.section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

/* ── Overlay rectangles on page image ─────── */

.bbox-overlay {
    position: absolute;
    border: 2px solid var(--color-primary);
    background: rgba(37, 99, 235, 0.08);
    cursor: pointer;
    transition: background 0.15s;
}

.bbox-overlay:hover {
    background: rgba(37, 99, 235, 0.18);
}

.bbox-label {
    position: absolute;
    top: 2px;
    left: 2px;
    background: var(--color-primary);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 3px;
    pointer-events: none;
}

/* ── Page selector modal ─────────────────── */

.page-selector-modal {
    width: 90vw;
    max-width: 1000px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.ps-description {
    color: var(--color-text-secondary);
    font-size: 13px;
    margin-bottom: 12px;
}

.ps-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.ps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    overflow-y: auto;
    flex: 1;
    padding: 4px;
}

.ps-card {
    position: relative;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.15s, opacity 0.15s;
}

.ps-card:hover {
    border-color: var(--color-text-secondary);
}

.ps-card.excluded {
    border-color: var(--color-danger);
    opacity: 0.6;
}

.ps-card img {
    width: 100%;
    display: block;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    background: var(--color-bg);
}

.ps-card-label {
    text-align: center;
    padding: 4px;
    font-size: 12px;
    font-weight: 600;
    background: var(--color-bg);
}

.ps-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(220, 38, 38, 0.25);
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--color-danger);
    font-weight: 700;
    pointer-events: none;
}

.ps-card.excluded .ps-card-overlay {
    display: flex;
}

.pdf-name-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.pdf-name-link:hover {
    text-decoration: underline;
}

/* ── Page selection ───────────────────────── */

.page-select-actions {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
}

.page-checkbox {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    cursor: pointer;
    accent-color: var(--color-primary);
}

/* ── Label form modal ────────────────────── */

.label-modal {
    width: 90vw;
    max-width: 860px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    padding: 16px 20px;
}

.label-modal .modal-header { margin-bottom: 10px; }
.label-modal .modal-header h3 { font-size: 15px; }
.label-modal .modal-footer {
    margin-top: 10px;
    align-items: center;
}
.modal-footer-spacer { flex: 1; }

/* AI Analiz button */
.btn-ai {
    background: linear-gradient(135deg, #8b5cf6, #6366f1);
    color: white;
    border: none;
    padding: 7px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: opacity 0.15s;
}
.btn-ai:hover { opacity: 0.9; }
.btn-ai:disabled { opacity: 0.6; cursor: not-allowed; }

/* AI Continue button */
.btn-ai-continue {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    border: none;
    padding: 7px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: opacity 0.15s;
}
.btn-ai-continue:hover { opacity: 0.9; }
.btn-ai-continue:disabled { opacity: 0.6; cursor: not-allowed; }

/* AI status bar */
.ai-status {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
    white-space: nowrap;
}
.ai-status-info { color: #6366f1; background: #eef2ff; }
.ai-status-success { color: #16a34a; background: #dcfce7; }
.ai-status-warn { color: #ca8a04; background: #fef9c3; }
.ai-status-error { color: #dc2626; background: #fee2e2; }

.label-form-body {
    overflow-y: auto;
    flex: 1;
}

.label-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.label-form-left,
.label-form-right {
    min-width: 0;
    overflow: hidden;
}

.label-form-grid .form-group { margin-bottom: 8px; }
.label-form-grid .form-group label { font-size: 12px; margin-bottom: 2px; }
.label-form-grid .form-group input,
.label-form-grid .form-group select { padding: 6px 10px; font-size: 13px; }

@media (max-width: 768px) {
    .label-form-grid { grid-template-columns: 1fr; }
}

/* form-group textarea */
.form-group textarea {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    resize: vertical;
    outline: none;
    transition: border-color 0.15s;
}
.form-group textarea:focus { border-color: var(--color-primary); }

/* Button group (A B C D E) */
.btn-group { display: flex; }
.btn-group-item {
    flex: 1;
    padding: 5px 0;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    transition: all 0.15s;
}
.btn-group-item:first-child { border-radius: 5px 0 0 5px; }
.btn-group-item:last-child { border-radius: 0 5px 5px 0; }
.btn-group-item:not(:first-child) { border-left: none; }
.btn-group-item:hover { background: var(--color-bg); }
.btn-group-item.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* ── TreeSelect ──────────────────────────── */

.tree-select-container {
    border: 1px solid var(--color-border);
    border-radius: 6px;
    max-height: 320px;
    overflow-y: auto;
    padding: 2px;
    background: var(--color-surface);
}

.ts-empty {
    color: var(--color-text-secondary);
    font-size: 12px;
    text-align: center;
    padding: 16px 8px;
}

.ts-list { list-style: none; padding: 0; margin: 0; }
.ts-node > .ts-list { padding-left: 16px; display: none; }
.ts-node.expanded > .ts-list { display: block; }

.ts-row {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px 4px;
    border-radius: 3px;
    cursor: pointer;
    user-select: none;
    font-size: 12px;
    line-height: 1.35;
}
.ts-row:hover { background: var(--color-bg); }

/* Arrow toggle */
.ts-arrow {
    width: 14px;
    flex-shrink: 0;
    text-align: center;
    font-size: 8px;
    color: var(--color-text-secondary);
}
.ts-node.expanded > .ts-row > .ts-arrow::after { content: "▾"; }
.ts-node:not(.expanded) > .ts-row > .ts-arrow::after { content: "▸"; }

/* Custom checkbox */
.ts-check {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    border: 1.5px solid var(--color-border);
    border-radius: 3px;
    position: relative;
    transition: all 0.12s;
}
.ts-check.checked {
    background: var(--color-primary);
    border-color: var(--color-primary);
}
.ts-check.checked::after {
    content: "";
    position: absolute;
    left: 3.5px;
    top: 1px;
    width: 4px;
    height: 7px;
    border: solid white;
    border-width: 0 1.5px 1.5px 0;
    transform: rotate(45deg);
}
.ts-check.indet {
    border-color: var(--color-primary);
}
.ts-check.indet::after {
    content: "";
    position: absolute;
    left: 2.5px;
    top: 5px;
    width: 6px;
    height: 1.5px;
    background: var(--color-primary);
}

.ts-label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Selected chips */
.ts-selected-area {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    min-height: 28px;
    max-height: 120px;
    overflow-y: auto;
    padding: 4px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-surface);
}

.ts-no-sel {
    color: var(--color-text-secondary);
    font-size: 11px;
    padding: 2px 4px;
}

.ts-chip {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 1px 6px;
    border-radius: 10px;
    font-size: 11px;
    background: #f1f5f9;
    border: 1px solid var(--color-border);
    line-height: 1.4;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ts-chip-x {
    cursor: pointer;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1;
    font-weight: 600;
}
.ts-chip-x:hover { color: var(--color-danger); }

/* Etiketlenmiş soru card badge */
.label-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 500;
    background: #dcfce7;
    color: #166534;
}

/* Etiket preview (card altında) */
.label-preview {
    padding: 6px 12px;
    font-size: 11px;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

/* ── Similar Question Modal ──────────────── */

.similar-modal {
    width: 760px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.similar-body {
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.similar-info-section {
    padding: 12px;
    background: var(--color-bg);
    border-radius: 6px;
    border: 1px solid var(--color-border);
}

.similar-info-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.similar-info-status.error {
    color: #dc2626;
}

.similar-info-summary {
    font-size: 13px;
    color: var(--color-text);
    line-height: 1.6;
}

.info-sep {
    color: var(--color-border);
    margin: 0 4px;
}

.similar-generated h4,
.similar-saved h4,
.similar-config h4 {
    font-size: 14px;
    margin-bottom: 10px;
    color: var(--color-text-secondary);
}

/* ── Config Form Grid ────────────────────── */

.similar-config {
    padding: 12px 16px;
    background: #faf5ff;
    border-radius: 8px;
    border: 1px solid #e9d5ff;
}

.similar-config-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 16px;
}

.similar-config-grid .form-group-wide {
    grid-column: 1 / -1;
}

.similar-config-grid .form-group { margin-bottom: 0; }
.similar-config-grid .form-group label { font-size: 12px; margin-bottom: 3px; }
.similar-config-grid .form-group select { padding: 6px 10px; font-size: 13px; }
.similar-config-grid .form-group textarea { font-size: 13px; }

/* ── Visual Question Card (sq-*) ─────────── */

.sq-card {
    border: 2px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    background: var(--color-surface);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.sq-card-mini {
    border-width: 1px;
    box-shadow: none;
}

.sq-card-header {
    padding: 8px 16px;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.sq-export-btn {
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 5px;
    white-space: nowrap;
}

.sq-badges {
    display: flex;
    gap: 6px;
}

.sq-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.sq-badge.badge-easy {
    background: #dcfce7;
    color: #166534;
}

.sq-badge.badge-medium {
    background: #fef3c7;
    color: #92400e;
}

.sq-badge.badge-hard {
    background: #fee2e2;
    color: #991b1b;
}

.sq-badge-type {
    background: #dbeafe;
    color: #1e40af;
}

.sq-card-body {
    padding: 20px;
}

/* ── Content Blocks Container ────────────── */

.sq-content-blocks {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.sq-content-blocks:empty {
    display: none;
}

.sq-question-text {
    font-size: 14px;
    line-height: 1.8;
    white-space: pre-wrap;
    color: var(--color-text);
}

/* Eski format icin standalone text (content-blocks disinda) */
.sq-card-body > .sq-question-text {
    margin-bottom: 16px;
}

/* KaTeX block formulas */
.sq-question-text .katex-display,
.sq-explanation-text .katex-display,
.sq-choice-text .katex-display {
    margin: 10px 0;
}

/* ── Table inside question ───────────────── */

.sq-table-wrap {
    margin: 12px 0;
    overflow-x: auto;
}

.sq-table-wrap table {
    width: auto;
    min-width: 200px;
    border-collapse: collapse;
    font-size: 13px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
}

.sq-table-wrap th,
.sq-table-wrap td {
    padding: 8px 14px;
    border: 1px solid var(--color-border);
    text-align: center;
}

.sq-table-wrap th {
    background: #f1f5f9;
    font-weight: 600;
    font-size: 12px;
    text-transform: none;
    letter-spacing: 0;
}

.sq-table-wrap tr:hover td {
    background: #f8fafc;
}

/* ── Choices ─────────────────────────────── */

.sq-choices {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sq-choice {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1.5px solid var(--color-border);
    background: var(--color-bg);
    transition: border-color 0.15s;
    font-size: 13px;
    line-height: 1.6;
}

.sq-choice-correct {
    background: #f0fdf4;
    border-color: #86efac;
}

.sq-choice-letter {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1.5px solid var(--color-border);
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
    color: var(--color-text-secondary);
}

.sq-choice-correct .sq-choice-letter {
    background: #16a34a;
    border-color: #16a34a;
    color: white;
}

.sq-choice-text {
    flex: 1;
    padding-top: 2px;
}

/* ── Explanation (collapsible) ───────────── */

.sq-card-footer {
    padding: 0 20px 16px;
}

.sq-explanation {
    border: 1px solid var(--color-border);
    border-radius: 6px;
    overflow: hidden;
}

.sq-explanation summary {
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    background: #f8fafc;
    user-select: none;
}

.sq-explanation summary:hover {
    background: #f1f5f9;
}

.sq-explanation-text {
    padding: 12px 14px;
    font-size: 13px;
    line-height: 1.8;
    color: var(--color-text);
    white-space: pre-wrap;
    border-top: 1px solid var(--color-border);
}

/* ── Meta notes ──────────────────────────── */

.sq-meta {
    padding: 8px 20px;
    font-size: 11px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    border-top: 1px solid var(--color-border);
}

/* ── Visuals Container ───────────────────── */

.sq-visuals {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 16px;
}

.sq-visual {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-bg);
}

.sq-visual-title {
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    background: #f8fafc;
    border-bottom: 1px solid var(--color-border);
}

/* ── Chart (Chart.js) ────────────────────── */

.sq-chart-wrap {
    padding: 12px;
}

.sq-chart-canvas {
    max-width: 100%;
    max-height: 300px;
}

/* ── Geometry (SVG) ──────────────────────── */

.sq-geometry-wrap {
    display: flex;
    justify-content: center;
    padding: 16px;
    background: white;
}

.sq-geometry-svg {
    max-width: 100%;
    height: auto;
}

.sq-geo-label {
    font-size: 14px;
    font-weight: 700;
    fill: #1e293b;
    font-family: inherit;
}

.sq-geo-label-sm {
    font-size: 11px;
    font-weight: 600;
    fill: #475569;
    font-family: inherit;
}

/* ── Number Line (SVG) ───────────────────── */

.sq-numberline-wrap {
    padding: 12px 16px;
    display: flex;
    justify-content: center;
    background: white;
}

.sq-numberline-svg {
    max-width: 100%;
    height: auto;
}

.sq-nl-tick-label {
    font-size: 10px;
    fill: #64748b;
    font-family: inherit;
}

.sq-nl-point-label {
    font-size: 12px;
    font-weight: 700;
    fill: #4f46e5;
    font-family: inherit;
}

.sq-nl-interval-label {
    font-size: 10px;
    font-weight: 600;
    fill: #6366f1;
    font-family: inherit;
}

/* ── Feedback ────────────────────────────── */

.similar-feedback {
    margin-top: 8px;
}

.similar-feedback textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 13px;
    resize: vertical;
    font-family: inherit;
}

.similar-feedback textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
}

/* Saved similar questions */
.similar-saved-item {
    margin-bottom: 12px;
}

.similar-saved-header {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

/* Warning button (Revize Et) */
.btn-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
    border: none;
    padding: 7px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: opacity 0.15s;
}
.btn-warning:hover { opacity: 0.9; }
.btn-warning:disabled { opacity: 0.6; cursor: not-allowed; }

/* Similar button in question card */
.btn-similar {
    color: #8b5cf6;
    border-color: #8b5cf6;
}
.btn-similar:hover {
    background: #8b5cf6;
    color: white;
}

/* ── Responsive ───────────────────────────── */

@media (max-width: 1024px) {
    .viewer {
        grid-template-columns: 1fr;
    }

    .viewer-sidebar,
    .viewer-questions {
        position: static;
        max-height: none;
    }
}