/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --primary: #1c5427;
    --primary-light: #2a7a38;
    --primary-dark: #143d1c;
    --accent-green: #38b549;
    --accent-blue: #1775ba;
    --gradient-brand: linear-gradient(135deg, #38b549, #1775ba);
    --success: #38b549;
    --danger: #e74c3c;
    --warning: #ffd700;
    --yellow-cell: #fffde0;
    --yellow-cell-border: #e6d98c;
    --bg: #f4f6f4;
    --card-bg: #ffffff;
    --text: #1c2e1c;
    --text-light: #5a6d5a;
    --border: #d4ddd4;
    --shadow: 0 2px 8px rgba(28,84,39,0.08);
}

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

/* === Header === */
.app-header {
    background: linear-gradient(135deg, #1c5427 0%, #1775ba 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: 0 3px 8px rgba(28,84,39,0.25);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left { display: flex; flex-direction: column; gap: 0; line-height: 1.2; }
.brand-logo { display: flex; align-items: baseline; gap: 0; }
.brand-rar {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.brand-tm { font-size: 0.65rem; vertical-align: super; opacity: 0.7; }
.header-subtitle { font-size: 0.75rem; opacity: 0.85; font-weight: 400; }
.header-ekho { font-size: 0.65rem; opacity: 0.6; font-weight: 300; letter-spacing: 0.05em; }
.header-right { margin-left: auto; display: flex; gap: 0.5rem; }

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    opacity: 0.9;
}
.breadcrumb a { color: white; text-decoration: none; opacity: 0.8; }
.breadcrumb a:hover { opacity: 1; text-decoration: underline; }
.breadcrumb .sep { opacity: 0.5; }

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-light); }
.btn-success { background: var(--accent-green); color: white; }
.btn-success:hover { background: #45c556; }
.btn-danger { background: #e74c3c; color: white; }
.btn-danger:hover { background: #c0392b; }
.btn-secondary { background: #95a5a6; color: white; }
.btn-secondary:hover { background: #7f8c8d; }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.78rem; }
.btn-lg { padding: 0.65rem 1.5rem; font-size: 1rem; }

/* === Container === */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* === Cards === */
.card {
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
}

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

.card-header h2, .card-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.card-body { padding: 1.25rem; }

/* === Forms === */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: border-color 0.15s;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(56,181,73,0.12);
}

.form-control.yellow-cell {
    background: var(--yellow-cell);
    border-color: var(--yellow-cell-border);
}

.form-control.yellow-cell:focus {
    border-color: var(--primary);
    background: #fffef5;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
}

.form-row-3 { grid-template-columns: repeat(3, 1fr); }
.form-row-4 { grid-template-columns: repeat(4, 1fr); }

/* === Tables === */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th, .data-table td {
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--border);
    text-align: center;
}

.data-table th {
    background: var(--primary);
    color: white;
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.data-table td { background: white; }

.data-table td select,
.data-table td input {
    width: 100%;
    border: 1px solid transparent;
    background: transparent;
    text-align: center;
    padding: 0.2rem;
    font-size: 0.85rem;
    font-family: inherit;
}

.data-table td select:focus,
.data-table td input:focus {
    border-color: var(--primary);
    outline: none;
    background: #f0f7f0;
}

.fs-pass { background: #d4edda !important; color: #155724; font-weight: 600; }
.fs-fail { background: #f8d7da !important; color: #721c24; font-weight: 600; }

/* === Project List === */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: 10px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s;
    overflow: hidden;
}

.project-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    transform: translateY(-2px);
}

.project-card-body {
    padding: 1.25rem;
}

.project-card h3 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.project-card .meta {
    font-size: 0.8rem;
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.project-card-actions {
    padding: 0.75rem 1.25rem;
    background: #fafbfc;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* === Wall List === */
.wall-list { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1rem; }

.wall-card {
    display: flex;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    cursor: pointer;
    transition: all 0.15s;
}

.wall-card:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(44,95,138,0.1);
}

.wall-card-info { flex: 1; }
.wall-card-info h4 { font-size: 0.95rem; }
.wall-card-info .wall-meta { font-size: 0.8rem; color: var(--text-light); }

.wall-card-status {
    display: flex;
    gap: 0.4rem;
}

.status-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-pass { background: #d4edda; color: #155724; }
.status-fail { background: #f8d7da; color: #721c24; }
.status-na { background: #e2e8f0; color: #64748b; }

/* === Map === */
.map-container {
    height: 300px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    margin-top: 0.5rem;
}

/* === Section Headers === */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary);
}

.section-header h2 {
    font-size: 1.1rem;
    color: var(--primary);
}

.section-header h3 {
    font-size: 0.95rem;
    color: var(--primary);
}

/* === Parameter Sections === */
.params-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
    margin-top: 1rem;
}

.param-section {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
}

.param-section h4 {
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.param-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.3rem 0;
    gap: 0.5rem;
}

.param-row label {
    font-size: 0.82rem;
    color: var(--text);
    flex: 1;
    white-space: nowrap;
}

.param-row input,
.param-row select {
    width: 100px;
    padding: 0.3rem 0.5rem;
    border: 1px solid var(--yellow-cell-border);
    border-radius: 4px;
    background: var(--yellow-cell);
    font-size: 0.85rem;
    text-align: right;
    font-family: inherit;
}

.param-row input:focus,
.param-row select:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 2px rgba(56,181,73,0.12);
}

.param-row .unit {
    font-size: 0.75rem;
    color: var(--text-light);
    width: 40px;
}

/* === Tab Bar === */
.tab-bar {
    display: flex;
    border-bottom: 2px solid var(--border);
    gap: 0;
    overflow-x: auto;
}

.tab-item {
    padding: 0.6rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border: none;
    background: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: all 0.15s;
    font-family: inherit;
}

.tab-item:hover {
    color: var(--primary);
    background: #f0f5f0;
}

.tab-item.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-panel {
    display: none;
    padding: 1.25rem 0;
}

.tab-panel.active {
    display: block;
}

/* === Results Summary === */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.result-card {
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.result-card h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.result-card .result-value {
    font-size: 1.8rem;
    font-weight: 700;
}

.result-card .result-status {
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 0.25rem;
}

.result-card.pass { border-color: #27ae60; }
.result-card.pass .result-value { color: #27ae60; }
.result-card.fail { border-color: #e74c3c; }
.result-card.fail .result-value { color: #e74c3c; }

/* === Modal === */
.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: 200;
}

.modal {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

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

.modal-header h2 { font-size: 1.1rem; }

.modal-body { padding: 1.25rem; }

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

.modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-light);
    padding: 0.25rem;
}

/* === Empty State === */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}

.empty-state h3 { font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--text); }
.empty-state p { font-size: 0.9rem; margin-bottom: 1.5rem; }

/* === Wall Data Sheet Layout === */
.wall-sheet {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.wall-sheet-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

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

/* === Height Check Message === */
.height-message {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
}
.height-message.ok { background: #d4edda; color: #155724; }
.height-message.warn { background: #f8d7da; color: #721c24; }

.fs-val-fail { font-weight: 700; text-decoration: underline; }
.fs-clickable { cursor: pointer; }
.fs-clickable:hover { opacity: 0.7; }

.fs-suggestion-popup {
    z-index: 9999;
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.18);
    width: 400px;
    max-width: 90vw;
    font-size: 0.82rem;
    color: #333;
}
.fs-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    border-radius: 6px 6px 0 0;
}
.fs-popup-close {
    cursor: pointer;
    font-size: 1.1rem;
    color: #666;
    padding: 0 0.25rem;
}
.fs-popup-close:hover { color: #000; }
.fs-popup-list {
    list-style: none;
    margin: 0;
    padding: 0.5rem 0.75rem;
}
.fs-popup-list li {
    padding: 0.35rem 0;
    border-bottom: 1px solid #f0f0f0;
    line-height: 1.4;
}
.fs-popup-list li:last-child { border-bottom: none; }
.fs-popup-list li::before {
    content: '\2192';
    margin-right: 0.4rem;
    color: #007bff;
}

/* === Utilities === */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* === Report View === */
.report-view {
    max-width: 1100px;
    margin: 0 auto;
}

.report-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.report-page {
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 2rem;
}

.report-header {
    border-bottom: 3px solid var(--primary);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.report-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.report-title {
    font-size: 1.4rem;
    color: var(--primary);
    font-weight: 700;
}

.report-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 400;
}

.report-method-badge {
    background: var(--primary);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.95rem;
}

.report-info-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.report-info-table td {
    padding: 0.3rem 0.5rem;
    border: 1px solid var(--border);
}

.report-info-table .info-label {
    background: #f0f2f5;
    font-weight: 600;
    color: var(--text-light);
    width: 80px;
    white-space: nowrap;
}

.report-info-table .info-value {
    color: var(--text);
}

.report-section {
    margin-bottom: 1.5rem;
}

.report-section-title {
    font-size: 0.95rem;
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid var(--primary);
    margin-bottom: 0.75rem;
}

.report-status {
    padding: 0.6rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.report-status.status-ok {
    background: #d4edda;
    color: #155724;
    border: 1px solid #b7dfc6;
}

.report-status.status-ng {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f1b5bb;
}

.report-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.report-table th, .report-table td {
    padding: 0.35rem 0.5rem;
    border: 1px solid #ccc;
    text-align: center;
}

.report-table th {
    background: var(--primary);
    color: white;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.report-table td { background: white; }
.report-table .empty-row td { color: #aaa; }
.report-table .totals-row td { background: #f0f2f5; font-weight: 600; }

.report-table td.pass { background: #d4edda; color: #155724; font-weight: 600; }
.report-table td.fail { background: #f8d7da; color: #721c24; font-weight: 600; }

.report-table-narrow { max-width: 650px; }

.report-params-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

.report-param-group {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.75rem;
}

.report-param-group h4 {
    font-size: 0.78rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.5rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid var(--border);
}

.report-param-row {
    display: flex;
    justify-content: space-between;
    padding: 0.15rem 0;
    font-size: 0.82rem;
}

.rp-label { color: var(--text-light); }
.rp-value { font-weight: 600; color: var(--text); }

.report-note {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.report-seismic-params {
    font-size: 0.82rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
    padding: 0.4rem 0.75rem;
    background: #f8f9fa;
    border-radius: 4px;
}

.report-footer {
    margin-top: 2rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-light);
}

/* === Responsive === */
@media (max-width: 768px) {
    .app-container { padding: 1rem; }
    .form-row { grid-template-columns: 1fr; }
    .params-grid { grid-template-columns: 1fr; }
    .results-grid { grid-template-columns: 1fr; }
    .project-grid { grid-template-columns: 1fr; }
    .report-params-grid { grid-template-columns: 1fr; }
    .tab-bar { gap: 0; }
    .tab-item { padding: 0.5rem 0.75rem; font-size: 0.78rem; }
}

/* === Print Styles === */
@media print {
    body { background: white; }

    .app-header,
    .no-print,
    .report-toolbar {
        display: none !important;
    }

    .app-container {
        max-width: 100%;
        padding: 0;
        margin: 0;
    }

    .report-view { max-width: 100%; }

    .report-page {
        border: none;
        box-shadow: none;
        padding: 0.5cm;
    }

    .report-table th {
        background: #1c5427 !important;
        color: white !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .report-status.status-ok {
        background: #d4edda !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .report-status.status-ng {
        background: #f8d7da !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .report-table td.pass {
        background: #d4edda !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .report-table td.fail {
        background: #f8d7da !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .report-method-badge {
        background: #1c5427 !important;
        color: white !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .report-section {
        break-inside: avoid;
    }

    .report-footer {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 0.5rem 1rem;
    }
}

/* === Plan View === */
.plan-view {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.plan-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.plan-canvas-wrap {
    position: relative;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    background: #e8e8e8;
    min-height: 500px;
    cursor: grab;
}

.plan-canvas-wrap:active {
    cursor: grabbing;
}

.plan-canvas-wrap canvas {
    display: block;
}

.plan-info-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 1rem;
    background: #f8f9fa;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.82rem;
    color: var(--text-light);
}

/* === Elevation Prompt Popup === */
.elev-prompt {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.25);
    padding: 1.5rem;
    z-index: 300;
    min-width: 280px;
}

.elev-prompt h3 {
    font-size: 0.95rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.elev-prompt .form-group {
    margin-bottom: 0.75rem;
}

.elev-prompt .form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-light);
    display: block;
    margin-bottom: 0.2rem;
}

.elev-prompt .form-group input {
    width: 100%;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.9rem;
}

.elev-prompt-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1rem;
}

.elev-prompt-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.3);
    z-index: 299;
}

/* === Profile View === */
.profile-view {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: none;
    margin: 0 -1.5rem;
    padding: 0 1rem;
}

/* Override app-container max-width when profile view is active */
.app-container:has(.profile-view) {
    max-width: none;
    padding: 1rem;
}

.profile-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.profile-body {
    display: flex;
    gap: 1rem;
}

.profile-canvas-wrap {
    flex: 1;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    background: white;
    min-height: 600px;
    position: relative;
    cursor: grab;
}

.profile-canvas-wrap:active {
    cursor: grabbing;
}

.profile-canvas-wrap canvas {
    display: block;
}

/* === Block Palette Sidebar === */
.profile-palette {
    width: 220px;
    min-width: 220px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 700px;
    overflow-y: auto;
}

.profile-palette h4 {
    font-size: 0.85rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--border);
    margin: 0;
}

.palette-block {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 500;
    transition: all 0.15s;
    background: white;
}

.palette-block:hover {
    border-color: var(--primary);
    background: #f0f7f0;
}

.palette-block.selected {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
}

.palette-block .block-swatch {
    width: 24px;
    height: 16px;
    border-radius: 3px;
    border: 1px solid rgba(0,0,0,0.15);
}

/* === Profile Row Controls === */
.profile-row-controls {
    display: flex;
    gap: 0.25rem;
}

.profile-row-controls button {
    padding: 0.15rem 0.35rem;
    font-size: 0.7rem;
    border: 1px solid var(--border);
    border-radius: 3px;
    background: white;
    cursor: pointer;
    line-height: 1;
}

.profile-row-controls button:hover {
    background: #f0f7f0;
    border-color: var(--primary);
}

/* === Block Chips (in rows) === */
.block-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.5rem;
    background: #e8f4e8;
    border: 1px solid #a8d4a8;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
}

.block-chip .chip-remove {
    cursor: pointer;
    color: #999;
    font-weight: 700;
    margin-left: 0.2rem;
}

.block-chip .chip-remove:hover {
    color: #e74c3c;
}

/* === Block Tally === */
.block-tally {
    margin-top: 1rem;
    padding: 0.75rem;
    background: #f8f9fa;
    border: 1px solid var(--border);
    border-radius: 6px;
}

.block-tally h4 {
    font-size: 0.8rem;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid var(--border);
}

.tally-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    padding: 0.15rem 0;
}

.tally-row .tally-label {
    color: var(--text-light);
}

.tally-row .tally-count {
    font-weight: 600;
}

.tally-row.tally-total {
    border-top: 1px solid var(--border);
    margin-top: 0.3rem;
    padding-top: 0.4rem;
    font-weight: 700;
}

/* === Block Library 3D Preview Cards === */
.block-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
    margin-top: 0.75rem;
}

.block-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.block-card-preview {
    width: 100%;
    height: 180px;
    background: #e8ede8;
    position: relative;
    cursor: grab;
    display: flex;
    align-items: center;
    justify-content: center;
}

.block-card-preview:active { cursor: grabbing; }

.block-card-preview canvas,
.glb-form-preview canvas {
    display: block;
}

.block-card-preview .no-model {
    color: var(--text-light);
    font-size: 0.78rem;
    text-align: center;
    padding: 1rem;
}

.block-card-info {
    padding: 0.6rem 0.75rem;
    font-size: 0.78rem;
    border-top: 1px solid var(--border);
    flex: 1;
}

.block-card-info .block-card-title {
    font-weight: 700;
    font-size: 0.88rem;
    margin-bottom: 0.15rem;
}

.block-card-info .block-card-desc {
    color: var(--text-light);
    margin-bottom: 0.35rem;
}

.block-card-info .block-card-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.1rem 0.75rem;
    font-size: 0.72rem;
    color: var(--text-light);
}

.block-card-actions {
    padding: 0.4rem 0.75rem 0.6rem;
    display: flex;
    gap: 0.4rem;
    border-top: 1px solid var(--border);
}

.block-card-actions .btn { font-size: 0.72rem; padding: 0.2rem 0.6rem; }

.glb-upload-area {
    border: 2px dashed var(--border);
    border-radius: 6px;
    padding: 0.75rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s;
    position: relative;
}

.glb-upload-area:hover, .glb-upload-area.dragover {
    border-color: var(--accent-green);
    background: rgba(56, 181, 73, 0.04);
}

.glb-upload-area .upload-label {
    font-size: 0.82rem;
    color: var(--text-light);
}

.glb-upload-area .upload-filename {
    font-size: 0.78rem;
    color: var(--accent-green);
    font-weight: 600;
    margin-top: 0.25rem;
}

.glb-form-preview {
    width: 100%;
    height: 200px;
    background: #e8ede8;
    border-radius: 6px;
    margin-top: 0.5rem;
    position: relative;
}

.glb-form-preview canvas {
    border-radius: 6px;
}