:root {
    /* silto.lt upgrade_v2 — eksperimentiniai / modeliavimo įrankiai */
    --bg: #FFFFFF;
    --bg-soft: #F7F8F7;
    --panel: #FFFFFF;
    --panel-soft: #F7F8F7;
    --line: #E6E8E6;
    --ink: #1A1A1A;
    --muted: #5B6470;
    --accent: #2F4A3C;
    --accent-soft: #3D5C49;
    --accent-glow: rgba(47, 74, 60, 0.14);
    --good: #2F4A3C;
    --warn: #B45309;
    --bad: #B42318;
    --shadow: 0 1px 2px rgba(26, 26, 26, 0.03), 0 8px 24px rgba(26, 26, 26, 0.04);
    --font-heading: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 14px;
    --chart-surface: #FFFFFF;
    --layer-c1: #F3EDE4;
    --layer-c2: #E7EEF5;
    --layer-c3: #E4EDE7;
    --layer-c4: #EEE8DF;
    --layer-c5: #E8EDF2;
    --layer-c6: #E9EFEA;
    --viz-temp-line: #E11D48;
    --viz-dew-line: #2563EB;
    --viz-grid: #E8EBE8;
    --viz-axis: #9AA19A;
    --viz-text: #5B6470;
    --focus-ring: rgba(47, 74, 60, 0.22);
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    font-family: var(--font-body);
    background:
        linear-gradient(180deg, #FFFFFF 0%, #FBFCFB 140px, #FFFFFF 320px);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: none;
}

h1, h2, h3, h4 {
    margin: 0;
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--ink);
    letter-spacing: -0.03em;
}

h2 { font-size: 1.05rem; font-weight: 700; color: var(--accent); }
h3 { font-size: 0.95rem; font-weight: 600; }

p {
    color: var(--muted);
    margin: 0;
}

.page-shell {
    width: min(1120px, calc(100% - 48px));
    margin: 0 auto;
    padding: 18px 0 48px;
    animation: riseIn 0.35s ease-out;
}

.page-shell-wide {
    width: min(1280px, calc(100% - 48px));
}

@keyframes riseIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Toolbar — silto header feel */
.app-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 14px 0 16px;
    margin-bottom: 22px;
    border: none;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.silto-return {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 7px;
    color: var(--accent);
    background: #fff;
    font-size: .78rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    transition: border-color .2s ease, background .2s ease;
}

.silto-return:hover {
    border-color: var(--accent);
    background: var(--bg-soft);
}

.app-toolbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    flex-shrink: 0;
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--accent) 82%, #fff) 0%, var(--accent) 58%, var(--accent-soft) 100%);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, #fff 18%, transparent);
    position: relative;
}

.brand-mark::after {
    content: '';
    position: absolute;
    inset: 9px;
    border: 1.5px solid rgba(255, 255, 255, 0.55);
    border-radius: 3px;
    transform: rotate(12deg);
}

.app-toolbar-brand h1 {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.035em;
    color: var(--accent);
}

.app-toolbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.toolbar-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border-radius: 999px;
    background: var(--bg-soft);
    color: var(--accent);
    font-size: 0.7rem;
    font-weight: 600;
    border: 1px solid var(--line);
}

.toolbar-back {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: color 0.15s, opacity 0.15s;
}

.toolbar-back:hover {
    color: var(--accent-soft);
    opacity: 0.9;
}

/* Segmented control */
.seg-control {
    display: inline-flex;
    padding: 3px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--bg-soft);
}

.seg-option {
    position: relative;
    margin: 0;
    cursor: pointer;
}

.seg-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.seg-option span {
    display: inline-flex;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--muted);
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.seg-option input:checked + span {
    background: var(--accent);
    color: #fff;
    box-shadow: none;
}

/* Workspace */
.workspace {
    display: grid;
    gap: 16px;
}

.analysis-form {
    display: grid;
    gap: 16px;
}

.workspace-top {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 16px;
    align-items: start;
}

@media (max-width: 860px) {
    .workspace-top { grid-template-columns: 1fr; }
}

.step-label {
    margin: 0 0 2px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
}

.conditions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.condition-group {
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: #fff;
}

.condition-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--ink);
}

.condition-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.condition-dot.indoor { background: var(--accent); }
.condition-dot.outdoor { background: var(--viz-temp-line); }

.soft-details {
    margin-top: 14px;
    border: 1px dashed var(--line);
    border-radius: var(--radius-md);
    padding: 0 14px;
    background: transparent;
}

.soft-details summary {
    cursor: pointer;
    list-style: none;
    padding: 12px 0;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--ink);
}

.soft-details summary::-webkit-details-marker { display: none; }

.soft-details summary::before {
    content: '+';
    display: inline-flex;
    width: 18px;
    color: var(--accent);
    font-weight: 700;
}

.soft-details[open] summary::before { content: '−'; }

.soft-details summary span {
    font-weight: 500;
    color: var(--muted);
    margin-left: 4px;
}

.soft-details .details-body {
    padding-bottom: 14px;
}

.flow-legend {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
}

.flow-line {
    flex: 1;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 18%, var(--line)));
}

.col-index {
    width: 42px;
    text-align: center;
}

.col-actions {
    width: 108px;
}

.layer-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 7px;
    border: 1px solid var(--line);
    background: var(--bg-soft);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--ink);
}

.text-action {
    background: transparent;
    color: var(--accent);
    border: 1px dashed color-mix(in srgb, var(--accent) 40%, var(--line));
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
}

.text-action:hover {
    background: color-mix(in srgb, var(--accent) 8%, transparent);
    border-style: solid;
}

.submit-meta {
    display: grid;
    gap: 2px;
}

.layers-summary {
    margin: 0;
    font-size: 0.78rem;
    color: var(--muted);
}

.status-line.is-error {
    color: var(--bad);
}

.primary.is-busy,
.primary:disabled {
    opacity: 0.72;
    cursor: wait;
}

.row-actions .icon-btn:disabled,
.row-actions .remove-row:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.results-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    align-items: center;
    margin-bottom: 4px;
}

.toolbar-back-secondary {
    font-weight: 500;
    opacity: 0.85;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.empty-state {
    padding: 28px 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--panel-soft);
    color: var(--muted);
    text-align: center;
}

.empty-state.error {
    border-color: color-mix(in srgb, var(--bad) 35%, var(--line));
    color: var(--bad);
}

.empty-state .text-action {
    display: inline-flex;
    margin-top: 12px;
}

@media (max-width: 860px) {
    .conditions-grid {
        grid-template-columns: 1fr;
    }
}

.work-block {
    padding: 24px 26px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--panel-soft);
    box-shadow: none;
    animation: riseIn 0.35s ease-out;
}

.work-block:nth-child(2) { animation-delay: 0.04s; }
.work-block:nth-child(3) { animation-delay: 0.08s; }

.block-head {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 18px;
}

.block-head.with-actions {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.block-head p {
    font-size: 0.875rem;
    line-height: 1.5;
    max-width: 52ch;
}

.form-grid {
    display: grid;
    gap: 10px 12px;
}

.form-grid-1 { grid-template-columns: 1fr; }
.form-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 900px) {
    .form-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .form-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
    .form-grid-4,
    .form-grid-3,
    .form-grid-2 { grid-template-columns: 1fr; }
}

.label-with-help {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.help-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    padding: 0;
    border-radius: 5px;
    border: none;
    background: var(--bg-soft);
    color: var(--accent);
    font-size: 0.68rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.help-btn:hover {
    background: color-mix(in srgb, var(--accent) 14%, var(--bg-soft));
    border-color: transparent;
    color: var(--accent-soft);
}

label {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

label > span,
label .label-with-help {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: 0.01em;
}

input, select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--ink);
    font-size: 0.9375rem;
    font-family: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

input::placeholder {
    color: #A3A3A3;
}

/* Expert */
.expert-section {
    border-style: solid;
    border-color: var(--line);
    background: var(--bg-soft);
}

.expert-basics { margin-bottom: 12px; }

.expert-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.expert-card {
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--bg-soft);
    transition: opacity 0.2s ease, filter 0.2s ease;
}

.expert-card-wide { grid-column: 1 / -1; }

.expert-card.is-disabled {
    opacity: 0.45;
    filter: grayscale(0.7);
}

.expert-card.is-disabled .expert-toggle {
    pointer-events: auto;
}

.expert-card.is-disabled .expert-card-body {
    pointer-events: none;
}

.expert-toggle {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-weight: 700;
    color: var(--ink);
    cursor: pointer;
}

.expert-toggle span { color: var(--ink); font-size: 0.88rem; }

.expert-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
}

.expert-subgrid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 8px;
}

.expert-subgrid-lengths { margin-top: 8px; }

.checkbox-inline {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding-top: 18px;
}

.checkbox-inline input {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    margin: 0;
}

input.is-readonly {
    background: color-mix(in srgb, var(--line) 35%, var(--bg-soft));
    color: var(--muted);
    cursor: not-allowed;
}

@media (max-width: 800px) {
    .expert-cards { grid-template-columns: 1fr; }
}

/* Layers table */
.layers-table-wrap {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: #fff;
}

.layers-table,
.result-table {
    width: 100%;
    border-collapse: collapse;
}

.layers-table th,
.layers-table td,
.result-table th,
.result-table td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    font-size: 0.88rem;
}

.layers-table th,
.result-table th {
    background: var(--bg-soft);
    color: var(--muted);
    font-weight: 700;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.layers-table tr:last-child td,
.result-table tr:last-child td {
    border-bottom: none;
}

.layers-hint {
    margin-top: 10px;
    font-size: 0.82rem;
    color: var(--muted);
    line-height: 1.45;
}

.layers-hint strong {
    color: var(--ink);
    font-weight: 600;
}

.layer-identity {
    display: grid;
    gap: 6px;
    min-width: 220px;
}

.material-select {
    font-size: 0.82rem;
    padding: 6px 8px;
}

.vapor-fields {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4px;
    align-items: center;
    min-width: 96px;
}

.vapor-unit {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--muted);
    white-space: nowrap;
}

.layers-table input {
    padding: 7px 8px;
    font-size: 0.88rem;
}

.danger-row {
    background: color-mix(in srgb, var(--bad) 8%, transparent);
}

.row-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Buttons */
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    border: none;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.1s;
}

button:active { transform: scale(0.98); }

.primary {
    background: var(--accent);
    color: #fff;
    box-shadow: none;
    border-radius: var(--radius-sm);
}

.primary:hover {
    background: var(--accent-soft);
}

.ghost {
    background: transparent;
    color: var(--accent);
    border: none;
    padding: 6px 4px;
    font-weight: 600;
}

.ghost:hover {
    color: var(--accent-soft);
    background: transparent;
    border-color: transparent;
}

.actions .ghost:hover,
.toolbar-back:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.ghost.icon-btn:hover,
.icon-btn:hover {
    text-decoration: none;
}

.remove-row {
    background: transparent;
    color: var(--bad);
    border: 1px solid var(--line);
    padding: 6px 10px;
}

.remove-row:hover {
    background: var(--bg-soft);
    border-color: var(--bad);
}

.ghost.icon-btn,
.icon-btn {
    width: 30px;
    height: 30px;
    padding: 0;
    font-size: 0.95rem;
    line-height: 1;
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--panel);
}

.ghost.icon-btn:hover,
.icon-btn:hover {
    color: var(--ink);
    border-color: var(--accent);
    background: var(--bg-soft);
}

.remove-row {
    width: 30px;
    height: 30px;
    padding: 0;
}

.submit-bar {
    position: sticky;
    bottom: 12px;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding: 14px 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow);
}

.status-line {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--muted);
}

.submit-bar .primary {
    min-width: 160px;
    padding: 11px 20px;
}

/* Results */
.results-workspace {
    display: grid;
    gap: 16px;
}

.results-summary-root,
.results-detail-root {
    display: grid;
    gap: 16px;
}

.kpi-strip {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--panel-soft);
    box-shadow: none;
}

.kpi-item {
    padding: 14px 14px;
    border-radius: var(--radius-md);
    background: #fff;
    border: 1px solid var(--line);
    min-width: 0;
}

.kpi-item span {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
    margin-bottom: 6px;
}

.kpi-item strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.15;
    word-break: break-word;
}

.kpi-item[data-tone="good"] { border-color: color-mix(in srgb, var(--good) 28%, transparent); }
.kpi-item[data-tone="warn"] { border-color: color-mix(in srgb, var(--warn) 35%, transparent); }
.kpi-item[data-tone="bad"] { border-color: color-mix(in srgb, var(--bad) 35%, transparent); }
.kpi-item[data-tone="good"] strong { color: var(--good); }
.kpi-item[data-tone="warn"] strong { color: var(--warn); }
.kpi-item[data-tone="bad"] strong { color: var(--bad); }

@media (max-width: 960px) {
    .kpi-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .kpi-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.verdict-bar {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 16px;
}

@media (max-width: 800px) {
    .verdict-bar { grid-template-columns: 1fr; }
}

.insight-panel {
    padding: 20px 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: none;
}

.insight-panel h3 {
    margin-bottom: 10px;
    color: var(--accent);
}

.insight-panel.accent {
    border-color: var(--line);
    background: var(--panel-soft);
}

.flags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.flag {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid var(--line);
    background: var(--bg-soft);
    color: var(--muted);
}

.flag.is-bad {
    border-color: color-mix(in srgb, var(--bad) 45%, transparent);
    color: var(--bad);
    background: color-mix(in srgb, var(--bad) 10%, transparent);
}

.flag.is-good {
    border-color: color-mix(in srgb, var(--good) 45%, transparent);
    color: var(--good);
    background: color-mix(in srgb, var(--good) 10%, transparent);
}

.compact-stats {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 5px 16px;
    font-size: 0.85rem;
    align-items: baseline;
}

.compact-stats dt {
    color: var(--muted);
    font-weight: 600;
}

.compact-stats dd {
    margin: 0;
    font-weight: 700;
    color: var(--ink);
    text-align: right;
}

.bullet-list {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
    font-size: 0.88rem;
}

.bullet-list li { margin-bottom: 5px; }

.detail-panel {
    padding: 22px 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: none;
}

.detail-panel h3 {
    margin-bottom: 10px;
    color: var(--accent);
}

.detail-panel.muted {
    background: var(--panel-soft);
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
}

.expert-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 12px;
}

@media (max-width: 800px) {
    .expert-metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.mini-metric {
    padding: 10px;
    border-radius: var(--radius-sm);
    background: var(--bg-soft);
    border: 1px solid var(--line);
}

.mini-metric span {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
    margin-bottom: 3px;
}

.mini-metric strong {
    font-family: var(--font-heading);
    font-size: 1rem;
}

.expert-columns {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 12px;
    margin-bottom: 10px;
}

@media (max-width: 900px) {
    .expert-columns { grid-template-columns: 1fr; }
}

.expert-column h4 {
    margin-bottom: 6px;
    font-size: 0.85rem;
}

.expert-column p {
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.expert-vapor-note {
    color: var(--muted);
    font-size: 0.8rem !important;
    line-height: 1.4;
}

.expert-column strong { color: var(--ink); }

/* Chart */
.visual-block {
    padding: 12px 14px 10px;
    border-radius: var(--radius-lg);
    background: var(--chart-surface);
    border: 1px solid var(--line);
    scroll-margin-top: 24px;
}

.visual-meta {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.visual-meta span {
    font-weight: 700;
    color: var(--muted);
    font-size: 0.8rem;
}

.visual-meta strong {
    color: var(--ink);
    font-size: 0.82rem;
    font-weight: 600;
}

.viz-svg {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
}

.viz-band-text { font-size: 12px; font-weight: 600; fill: var(--ink); }
.viz-band-subtext { font-size: 10px; fill: var(--ink); opacity: 0.8; }
.viz-band-index-bg { fill: rgba(255, 255, 255, 0.92); stroke: var(--line-strong, var(--line)); stroke-width: 1; }
.viz-band-index { font-size: 11px; font-weight: 700; fill: var(--ink); }
.viz-callout-bg { fill: var(--chart-surface); stroke: var(--line); stroke-width: 1; }
.viz-callout-text { font-size: 10px; font-weight: 600; fill: var(--ink); }
.viz-callout-leader { fill: none; stroke: var(--viz-axis); stroke-width: 1; opacity: 0.55; }
.viz-thin-mark { stroke: rgba(0, 0, 0, 0.45); stroke-width: 1.5; stroke-linecap: round; }
.viz-axis-label { font-size: 11px; fill: var(--viz-text); font-weight: 500; }
.viz-intersection-label { font-size: 11px; fill: var(--viz-text); font-weight: 600; }
.viz-grid-line { stroke: var(--viz-grid); stroke-width: 1; stroke-dasharray: 4 4; }
.viz-depth-line { stroke: var(--viz-axis); stroke-width: 1; stroke-dasharray: 2 4; opacity: 0.5; }
.viz-axis-line { stroke: var(--viz-axis); stroke-width: 1.5; }
.viz-band-separator { stroke: var(--viz-axis); stroke-width: 1; opacity: 0.3; }
.viz-section-label { font-size: 10px; font-weight: 700; text-transform: uppercase; fill: var(--muted); letter-spacing: 0.05em; }
.viz-line-temperature { stroke: var(--viz-temp-line); fill: none; stroke-width: 2.75; stroke-linecap: round; stroke-linejoin: round; }
.viz-line-dewpoint { stroke: var(--viz-dew-line); fill: none; stroke-width: 2.75; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 7 5; }
.viz-intersection { fill: var(--viz-temp-line); stroke: #fff; stroke-width: 2; }

.viz-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--line);
    justify-content: center;
}

.viz-legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--muted);
    font-weight: 600;
}

.legend-swatch {
    display: inline-block;
    width: 14px;
    height: 3px;
    border-radius: 2px;
}

.legend-swatch.temperature { background: var(--viz-temp-line); }
.legend-swatch.dewpoint { background: var(--viz-dew-line); }
.legend-swatch.intersection {
    background: var(--warn);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 2px solid var(--panel);
}

/* Modal */
.app-modal {
    padding: 0;
    border: none;
    border-radius: var(--radius-lg);
    background: var(--panel);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
    max-width: 440px;
    width: 90%;
    color: var(--ink);
}

.app-modal::backdrop {
    background: rgba(10, 16, 14, 0.55);
    backdrop-filter: blur(3px);
}

.app-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
}

.app-modal-body {
    padding: 16px;
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--muted);
}

.empty-state {
    padding: 28px 16px;
    text-align: center;
    color: var(--muted);
    border: 1px dashed var(--line);
    border-radius: var(--radius-lg);
    background: var(--panel);
}

.empty-state.error {
    color: var(--bad);
    border-color: color-mix(in srgb, var(--bad) 40%, var(--line));
}

.inline-link {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
}

.inline-link:hover {
    color: var(--accent-soft);
}