:root {
  color-scheme: light;
  --blue: #1769e0;
  --blue-hover: #0e58c7;
  --blue-soft: #edf4ff;
  --teal: #167f72;
  --teal-ink: #075e55;
  --teal-soft: #eaf6f3;
  --orange: #8b490a;
  --orange-soft: #fff5e8;
  --danger: #b42318;
  --danger-soft: #fff0ed;
  --ink: #18242c;
  --muted: #586771;
  --line: #dce4e8;
  --control: #7b8d98;
  --soft: #f2f6f7;
  --canvas: #f5f8fa;
  --white: #fff;
  --radius: 6px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --text-small: 14px;
  --text-body: 16px;
  --text-section: 18px;
  --text-title: 24px;
}

[hidden] { display: none !important; }
* { box-sizing: border-box; }
html { height: 100%; scroll-padding-top: 20px; }
body { margin: 0; background: var(--canvas); color: var(--ink); font: var(--text-body)/1.6 system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; letter-spacing: 0; }
button, input, select { font: inherit; letter-spacing: 0; }
button, a, input, select, summary { -webkit-tap-highlight-color: transparent; }
button, a, summary { touch-action: manipulation; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .5; }
button, a, input, select, summary { scroll-margin: 20px; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
input, select { width: 100%; min-width: 0; min-height: 44px; padding: 10px 12px; border: 1px solid var(--control); border-radius: var(--radius); background: var(--white); color: var(--ink); }
button { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-1); min-width: 44px; min-height: 44px; border: 1px solid transparent; border-radius: var(--radius); padding: 9px 14px; font-weight: 600; }
button span { min-width: 0; overflow-wrap: anywhere; }
.icon { width: 20px; height: 20px; flex: 0 0 20px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; vertical-align: middle; }
[data-icon] { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
.icon-button { position: relative; width: 44px; height: 44px; padding: 11px; flex-shrink: 0; }
.icon-button[data-tooltip]::after { content: attr(data-tooltip); position: absolute; z-index: 10; top: calc(100% + 6px); right: 0; width: max-content; max-width: 200px; padding: 6px 10px; border-radius: 4px; background: var(--ink); color: var(--white); font-size: 12px; font-weight: 400; pointer-events: none; opacity: 0; visibility: hidden; }
.icon-button[data-tooltip]:hover::after, .icon-button[data-tooltip]:focus-visible::after { opacity: 1; visibility: visible; }
button, a { transition: background-color .16s, border-color .16s, color .16s; }
button:hover:not(:disabled) { border-color: var(--control); }
.primary { background: var(--blue); color: var(--white); }
.primary:hover:not(:disabled) { background: var(--blue-hover); border-color: var(--blue-hover); }
.quiet { background: var(--soft); color: var(--ink); }
.quiet:hover:not(:disabled) { background: #e7eef1; }
.danger-link { background: transparent; color: var(--danger); }
.helper, .status-line { color: var(--muted); font-size: 14px; }
.field-label, .action-field > label { font-size: 14px; font-weight: 600; }
.eyebrow { margin: 0 0 4px; font-size: 13px; font-weight: 700; color: var(--teal-ink); }
h1, h2, h3, h4, p { overflow-wrap: anywhere; }
h1, h2, h3, h4 { line-height: 1.4; font-weight: 600; text-wrap: balance; }
p { margin: 8px 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 8px; left: 12px; z-index: 20; padding: 10px; background: var(--white); color: var(--blue); transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.field-error, .form-error { color: var(--danger); font-size: 14px; }
.field-error:empty, .form-error:empty { display: none; }
.workspace-error { padding: 12px 16px; background: var(--danger-soft); border-left: 3px solid var(--danger); margin-bottom: 16px; overflow-wrap: anywhere; }
.storage-warning { padding: 10px 14px; margin-bottom: 16px; background: var(--orange-soft); border-left: 3px solid var(--orange); color: var(--orange); font-size: 14px; }

.login-view { min-height: 100vh; min-height: 100dvh; display: grid; place-items: center; padding: 24px; background: var(--canvas); }
.login-panel { width: min(420px, 100%); padding: var(--space-4); border: 1px solid var(--line); border-radius: 8px; background: var(--white); }
.login-panel h1 { margin: 20px 0 2px; font-size: 28px; }
.login-subtitle { margin-bottom: 28px; color: var(--muted); }
.login-panel label { display: block; margin: 16px 0 6px; font-size: 14px; font-weight: 600; }
.login-panel .primary { width: 100%; margin-top: 24px; }
.login-panel small { display: block; margin-top: 22px; color: var(--muted); line-height: 1.7; }
.brand-mark { display: grid; flex-shrink: 0; place-items: center; width: 48px; height: 48px; background: var(--blue); border-radius: 8px; color: var(--white); font-size: 24px; font-weight: 700; }
.brand-mark.small { width: 36px; height: 36px; font-size: 20px; }

.app-shell { display: grid; grid-template-columns: 240px minmax(0, 1fr); grid-template-rows: 64px auto minmax(0, 1fr); height: 100vh; height: 100dvh; }
.analysis-alert { grid-column: 1 / -1; grid-row: 2; display: flex; align-items: center; justify-content: space-between; gap: 12px; min-width: 0; max-height: 35dvh; overflow: auto; padding: 10px 28px; background: var(--danger-soft); border-bottom: 1px solid var(--danger); color: var(--danger); font-size: 14px; }
.analysis-alert p { min-width: 0; margin: 0; }
.analysis-alert button { flex-shrink: 0; background: var(--white); color: var(--danger); }
.topbar { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); padding: 0 var(--space-3); background: var(--white); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand > div { display: grid; }
.brand strong { font-size: 18px; }
.brand span:not(.brand-mark) { font-size: 12px; color: var(--muted); }
.top-actions { display: flex; align-items: center; gap: var(--space-1); min-width: 0; }
.new-assessment { background: var(--blue-soft); color: var(--blue); font-size: 14px; }
.new-assessment:hover:not(:disabled) { border-color: var(--blue); }
.account-label { font-size: 14px; color: var(--muted); max-width: 150px; overflow-wrap: anywhere; }
.mobile-nav { display: none; }
.history-pane { min-height: 0; display: flex; flex-direction: column; gap: var(--space-1); padding: var(--space-3) var(--space-2) 12px; border-right: 1px solid var(--line); background: var(--canvas); }
.pane-heading, .section-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.pane-heading h2 { margin: 0; font-size: 18px; }
.pane-heading p { margin: 3px 0; font-size: 13px; color: var(--muted); }
.pane-heading .quiet { padding: 11px; background: var(--white); }
.history-pane select { font-size: 14px; }
.history-list { flex: 1; overflow: auto; min-height: 0; display: grid; align-content: start; gap: 8px; padding: 5px; margin: 0 -5px; }
.record-item { min-width: 0; border: 1px solid var(--line); border-radius: 6px; background: var(--white); }
.record-item.active { border-color: var(--blue); background: var(--blue-soft); }
.record-item.baseline { box-shadow: inset 3px 0 var(--teal); }
.record-main { display: block; width: 100%; padding: 12px 12px 4px; background: transparent; text-align: left; border: 0; }
.current-record { display: block; color: var(--blue); font-size: 12px; font-weight: 600; margin-bottom: 4px; }
.record-main strong { display: block; font-size: 14px; overflow-wrap: anywhere; }
.record-main .source-tag { display: inline-block; margin-top: 3px; font-size: 12px; }
.record-main time { display: block; font-size: 12px; font-weight: 400; color: var(--muted); margin-top: 5px; }
.record-meta { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-1); margin-top: var(--space-1); flex-wrap: wrap; }
.record-score { font-size: 20px; color: var(--blue); font-variant-numeric: tabular-nums; }
.record-status { font-size: 14px; font-weight: 400; color: var(--muted); }
.record-actions { display: flex; gap: 8px; justify-content: space-between; padding: 0 5px 3px; }
.record-actions button { padding: 8px; background: transparent; color: var(--teal-ink); font-size: 14px; }
.record-actions .icon-button { padding: 11px; }
.record-actions .icon-button::after { top: auto; bottom: calc(100% + 6px); }
.record-actions .delete { color: var(--danger); }
.record-actions button[aria-pressed="true"] { background: var(--teal-soft); }
.history-footer { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); padding-top: 6px; }
.history-footer button { font-size: 14px; padding: 8px; }
.empty-state { padding: 32px 14px; color: var(--muted); text-align: center; }
.app-shell.history-collapsed { grid-template-columns: minmax(0, 1fr); }
.app-shell.history-collapsed .history-pane { display: none; }

.workspace { position: relative; min-width: 0; min-height: 0; overflow: auto; padding: var(--space-4) var(--space-4) 0; background: var(--white); }
.workspace > * { max-width: 1240px; margin-left: auto; margin-right: auto; }
.capture-band { margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.section-heading { margin-bottom: 16px; }
.section-heading h1 { margin: 0; font-size: 24px; }
.section-heading h2 { margin: 0; font-size: var(--text-section); }
.section-heading p:not(.eyebrow) { font-size: 14px; color: var(--muted); margin: 4px 0 0; }
.onboarding-guide { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-2); margin: 0 0 var(--space-2); padding: 0; list-style: none; }
.onboarding-guide li { display: flex; align-items: center; gap: 10px; min-width: 0; padding: 12px; background: var(--canvas); border: 1px solid var(--line); border-radius: var(--radius); }
.onboarding-guide li > span { display: grid; place-items: center; width: 28px; height: 28px; flex: 0 0 28px; border-radius: 50%; background: var(--blue); color: var(--white); font-size: 14px; font-weight: 700; }
.onboarding-guide li div { display: grid; min-width: 0; }
.onboarding-guide strong { font-size: 14px; }
.onboarding-guide small { color: var(--muted); overflow-wrap: anywhere; }
.shooting-guide { display: flex; align-items: flex-start; gap: var(--space-2); margin-bottom: var(--space-2); padding: 12px 16px; border-left: 3px solid var(--teal); background: var(--teal-soft); }
.shooting-guide > strong { flex: 0 0 auto; color: var(--teal-ink); }
.shooting-guide ul { display: flex; flex-wrap: wrap; gap: 4px 22px; margin: 0; padding-left: 20px; color: var(--ink); font-size: 14px; }
.analysis-form { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(200px, .9fr) auto; align-items: center; gap: var(--space-2); }
.dropzone { display: flex; align-items: center; gap: 14px; padding: 16px; min-width: 0; min-height: 118px; background: var(--white); border: 1px dashed var(--control); border-radius: 6px; }
.dropzone.dragging { border-color: var(--blue); background: var(--blue-soft); user-select: none; }
.upload-copy { display: grid; flex: 1; gap: 3px; min-width: 0; }
.upload-copy strong { font-size: 14px; overflow-wrap: anywhere; }
.upload-copy > span { font-size: 14px; color: var(--muted); }
.upload-actions { display: grid; gap: 4px; }
.upload-actions button { font-size: 14px; padding: 8px 10px; }
.upload-thumbnail { width: 64px; height: 80px; flex-shrink: 0; object-fit: contain; background: var(--soft); border-radius: 4px; }
.action-field { display: grid; gap: 6px; min-width: 0; }
.action-field select { font-size: 14px; }
.action-field .helper { font-size: 14px; }
.analysis-form > .primary { align-self: center; }
.analysis-form .field-error { grid-column: 1 / -1; margin: 0; }
.analysis-form[aria-busy="true"] .icon { animation: busy-rotate 1.2s linear infinite; }
.analysis-form[aria-busy="true"] .dropzone .icon { animation: none; }
.demo-entry { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); margin-top: 12px; color: var(--muted); font-size: 14px; }
.demo-entry button { flex-shrink: 0; color: var(--blue); background: var(--blue-soft); }
@keyframes busy-rotate { to { transform: rotate(360deg); } }
.capture-band.compact .section-heading { margin-bottom: 6px; }
.capture-band.compact h1 { font-size: 20px; }
.capture-band.compact { padding-bottom: var(--space-2); }
.capture-band.compact .eyebrow { display: none; }
.capture-band.compact .onboarding-guide, .capture-band.compact .shooting-guide, .capture-band.compact .demo-entry { display: none; }
.upload-summary { color: var(--muted); font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.assessment-result { margin-bottom: 28px; }
.welcome-state { padding: var(--space-4) var(--space-3); text-align: center; color: var(--muted); }
.welcome-state h2 { margin: 12px 0; font-size: var(--text-section); font-weight: 400; }
.empty-icon { display: inline-flex; padding: var(--space-2); background: var(--canvas); border-radius: var(--radius); color: var(--control); }
.empty-icon .icon { width: 32px; height: 32px; }
.welcome-state > p:not(.eyebrow) { color: var(--muted); }
.result-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; margin-bottom: 20px; }
.result-head h2 { margin: 8px 0 4px; font-size: var(--text-title); }
.result-head time { color: var(--muted); font-size: 14px; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 8px; background: var(--soft); border-radius: 4px; color: var(--muted); font-size: 14px; font-weight: 600; }
.badge .icon { width: 16px; height: 16px; flex-basis: 16px; }
.badge.success { background: var(--teal-soft); color: var(--teal-ink); }
.badge.partial, .badge.limited { background: var(--orange-soft); color: var(--orange); }
.badge.unreliable, .badge.invalid, .badge.needs_adjustment { background: var(--danger-soft); color: var(--danger); }
.score-block { padding-left: 24px; border-left: 1px solid var(--line); text-align: right; flex-shrink: 0; }
.score-block strong { display: block; color: var(--blue); font-size: 36px; line-height: 1.2; font-variant-numeric: tabular-nums; }
.score-block small { font-size: 14px; color: var(--muted); }
.score-block span { display: block; font-size: 14px; color: var(--muted); margin-top: 4px; }
.metric-chips { display: flex; flex-wrap: wrap; gap: var(--space-1); margin: 8px 0 var(--space-2); font-size: 14px; color: var(--muted); }
.metric-chips span { padding-right: 12px; border-right: 1px solid var(--line); }
.metric-chips span:last-child { border: 0; }
.source-tag { color: var(--teal-ink); font-weight: 600; }
.result-shortcuts { display: flex; flex-wrap: wrap; gap: var(--space-1); margin-bottom: var(--space-3); }
.result-shortcuts button { background: var(--white); border-color: var(--line); font-size: 14px; }
.result-layout { display: grid; grid-template-columns: minmax(0, 1.22fr) minmax(0, 1fr); gap: var(--space-4); align-items: start; }
.result-column { min-width: 0; }
.image-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.image-heading h3 { margin: 0; font-size: var(--text-section); }
.image-heading button { font-size: 13px; }
.annotation-frame { display: flex; align-items: center; justify-content: center; height: clamp(320px, 56dvh, 600px); background: var(--canvas); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.annotation { display: block; min-width: 0; min-height: 0; width: 100%; height: 100%; object-fit: contain; }
.image-note { color: var(--muted); font-size: 14px; margin-top: var(--space-2); }
.report-section { border-top: 1px solid var(--line); margin-top: var(--space-4); padding-top: var(--space-3); }
.report-section .section-heading { margin-bottom: var(--space-2); }
.report-link { display: inline-flex; align-items: center; gap: var(--space-1); min-height: 44px; max-width: 100%; padding: 8px 12px; background: var(--teal-soft); color: var(--teal-ink); border: 1px solid #b4d4ca; border-radius: var(--radius); text-decoration: none; font-size: 14px; font-weight: 600; }
.report-link span { min-width: 0; overflow-wrap: anywhere; }
.result-section { padding-bottom: 18px; margin-bottom: 18px; border-bottom: 1px solid var(--line); }
.result-section:last-child { border-bottom: 0; }
.result-section h3 { font-size: var(--text-section); margin: 0 0 var(--space-2); }
.result-section ol, .result-section ul { margin: 0; padding-left: 22px; font-size: var(--text-body); }
.result-section li { margin: 8px 0; overflow-wrap: anywhere; }
.priority-item { border-top: 1px solid var(--line); padding: 16px 0; }
.priority-item:first-of-type { border-top: 0; padding-top: 0; }
.priority-item h4 { margin: 0 0 12px; font-size: var(--text-body); display: flex; align-items: center; gap: var(--space-1); }
.priority-rank { display: inline-grid; place-items: center; width: 24px; height: 24px; flex-shrink: 0; background: var(--orange-soft); color: var(--orange); font-size: 12px; border-radius: 4px; }
.measurement-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); background: var(--canvas); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 0 0 12px; }
.measurement-grid div { padding: 8px 12px; min-width: 0; }
.measurement-grid div + div { border-left: 1px solid var(--line); }
.measurement-grid dt { color: var(--muted); font-size: 14px; }
.measurement-grid dd { font-size: 18px; margin: 4px 0 0; font-weight: 500; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.priority-item p { font-size: var(--text-body); margin: 8px 0; }
.priority-item .status-line { font-size: 14px; }
.deviation { color: var(--orange); }
.notice { padding: 12px 14px; border-left: 3px solid var(--orange); background: var(--orange-soft); font-size: 14px; margin-bottom: 18px; }
.notice p { margin: 4px 0; }
.metrics-details { margin-top: 24px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 6px 0; }
summary { cursor: pointer; min-height: 44px; padding: 10px 0; font-size: 14px; font-weight: 600; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
caption { text-align: left; color: var(--muted); font-size: 14px; padding-bottom: 12px; }
th, td { padding: 11px 10px; text-align: left; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
td { white-space: nowrap; }
th { background: var(--soft); color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
td[data-state="improved"] { color: var(--teal-ink); }
td[data-state="regressed"] { color: var(--danger); }
.compare-prompt { margin-top: 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 16px 0; display: flex; align-items: center; gap: 16px; justify-content: space-between; }
.compare-prompt p { font-size: 14px; }
.compare-prompt button { color: var(--teal-ink); background: var(--teal-soft); flex-shrink: 0; }

.chat-section { border-top: 1px solid var(--line); padding-top: 24px; }
.agent-heading { align-items: flex-start; }
.agent-state { display: inline-flex; align-items: center; gap: 8px; min-height: 32px; padding: 5px 10px; border: 1px solid #b4d4ca; border-radius: var(--radius); background: var(--teal-soft); color: var(--teal-ink); font-size: 13px; font-weight: 600; white-space: nowrap; }
.agent-state > span { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 3px rgba(22, 127, 114, .12); }
.agent-capabilities { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 0 0 14px; padding: 11px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.agent-capabilities > span { display: inline-flex; align-items: center; gap: 6px; }
.agent-capabilities .icon { width: 16px; height: 16px; color: var(--teal-ink); }
.quick-questions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.quick-questions button { font-size: 14px; background: var(--white); border-color: var(--line); }
.conversation { display: grid; gap: 12px; margin-bottom: 16px; }
.message { display: flex; min-width: 0; }
.message.user { justify-content: flex-end; }
.bubble { max-width: min(85%, 72ch); padding: 12px 16px; border: 1px solid var(--line); background: var(--white); border-radius: var(--radius); font-size: var(--text-body); overflow-wrap: anywhere; white-space: pre-wrap; }
.message.user .bubble { background: var(--blue-soft); border-color: #c8daf4; }
.bubble .status-line { border-top: 1px solid var(--line); padding-top: 8px; margin-top: 8px; font-size: 14px; }
.tool-trace { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.tool-trace-label { color: var(--muted); font-size: 12px; font-weight: 600; }
.tool-chip { display: inline-flex; align-items: center; gap: 4px; min-height: 28px; padding: 3px 8px; border: 1px solid #b4d4ca; border-radius: 4px; background: var(--teal-soft); color: var(--teal-ink); font-size: 12px; }
.tool-chip .icon { width: 14px; height: 14px; }
.agent-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.agent-actions button { min-height: 40px; font-size: 13px; background: var(--white); }
.agent-evidence { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.agent-evidence summary { color: var(--teal-ink); cursor: pointer; font-weight: 600; }
.agent-evidence ul { margin: 8px 0 0; padding-left: 20px; }
.suggested-questions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.suggested-questions button { min-height: 36px; padding: 6px 10px; background: var(--white); border-color: var(--line); color: var(--blue); font-size: 13px; }
.chat-bar { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; }
.chat-bar input { min-width: 0; }
.workspace-footer { font-size: 14px; color: var(--muted); padding: var(--space-3) 0 max(24px, env(safe-area-inset-bottom)); }
.comparison-view .helper { margin-bottom: 18px; }
.comparison-selector { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; align-items: end; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.comparison-selector label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; min-width: 0; }
.comparison-selector select { font-size: 14px; }
.comparison-result { padding-top: 20px; }
.comparison-result h2 { margin: 12px 0 var(--space-3); font-size: 20px; }
.comparison-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: var(--space-3) 0; }
.comparison-record { min-width: 0; padding: var(--space-2) var(--space-3) var(--space-2) 0; }
.comparison-record + .comparison-record { border-left: 1px solid var(--line); padding-left: var(--space-3); }
.comparison-record h3 { font-size: var(--text-section); margin: 4px 0 8px; }
.comparison-record time { font-size: 14px; color: var(--muted); }
.comparison-record p { margin-bottom: 0; }
.comparison-summary { margin: 20px 0; display: flex; flex-wrap: wrap; gap: 24px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 18px 0; }
.comparison-summary div { min-width: 100px; }
.comparison-summary span { display: block; font-size: 13px; color: var(--muted); }
.comparison-summary strong { font-size: 24px; font-variant-numeric: tabular-nums; }
.comparison-summary .comparison-score { color: var(--blue); }
.score-comparison { margin: var(--space-3) 0 var(--space-4); max-width: 720px; }
.score-comparison h3 { font-size: var(--text-section); margin: 0 0 var(--space-2); }
.score-comparison-row { display: grid; grid-template-columns: auto minmax(0, 1fr) 88px; align-items: center; gap: var(--space-2); margin: 12px 0; font-size: 14px; }
.score-comparison-row strong { text-align: right; font-variant-numeric: tabular-nums; }
.score-track { height: 10px; background: var(--soft); overflow: hidden; border-radius: 2px; }
.score-fill { height: 100%; background: var(--control); }
.score-comparison-row.after .score-fill { background: var(--blue); }
.score-comparison.limited .score-fill, .score-comparison.limited .after .score-fill { background: var(--muted); }
.compare-selection { margin: 8px 0; padding: 12px; border-left: 3px solid var(--teal); background: var(--teal-soft); font-size: 14px; }
.compare-selection { grid-column: 1 / -1; }
.compare-selection p { margin: 2px 0; }
.compare-selection button { font-size: 14px; padding: 6px 8px; color: var(--teal-ink); background: transparent; }

dialog { width: min(1100px, calc(100% - 32px)); max-height: calc(100dvh - 40px); padding: 20px; border: 1px solid var(--line); border-radius: 8px; background: var(--white); color: var(--ink); overscroll-behavior: contain; }
dialog::backdrop { background: #12232fba; }
.dialog-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.dialog-heading h2 { margin: 0; font-size: 18px; }
dialog img { display: block; max-width: 100%; max-height: calc(100dvh - 160px); margin: auto; object-fit: contain; }
@media (max-width: 1199px) {
  .workspace { padding: 24px 24px 0; }
  .analysis-form { grid-template-columns: minmax(0, 1fr) minmax(190px, .8fr); }
  .analysis-form > .primary { grid-column: 2; width: 100%; }
  .dropzone { grid-row: span 2; min-height: 160px; flex-wrap: wrap; }
  .upload-actions { display: flex; }
  .result-layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-3); }
}
@media (min-width: 901px) { .history-pane { grid-column: 1; grid-row: 3; } .workspace { grid-row: 3; } }
@media (max-width: 900px) {
  .app-shell { grid-template-columns: minmax(0, 1fr); grid-template-rows: 64px 52px auto minmax(0, 1fr); }
  .analysis-alert { grid-row: 3; padding: 10px 18px; }
  .topbar { padding: 0 18px; }
  .desktop-toggle, .account-label { display: none; }
  .mobile-nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); background: var(--white); border-bottom: 1px solid var(--line); gap: 4px; padding: 0 10px; }
  .mobile-nav button { background: transparent; border-radius: 0; border-bottom: 3px solid transparent; font-size: 14px; color: var(--muted); }
  .mobile-nav button:hover:not(:disabled) { border-color: transparent; border-bottom-color: var(--line); }
  .mobile-nav button[aria-current="page"], .mobile-nav button[aria-current="page"]:hover:not(:disabled) { color: var(--blue); border-bottom-color: var(--blue); background: var(--blue-soft); }
  .history-pane, .workspace { grid-row: 4; grid-column: 1; }
  .history-pane { display: none; border-right: 0; padding: 20px; }
  .app-shell[data-view="history"] .history-pane { display: flex; }
  .app-shell[data-view="history"] .workspace { display: none; }
  .app-shell.history-collapsed[data-view="history"] .history-pane { display: flex; }
  .result-layout { grid-template-columns: minmax(0, 1.22fr) minmax(0, 1fr); }
  .workspace { padding: 22px 20px 0; }
  .history-list { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
  .history-pane select, .action-field select, .comparison-selector select { font-size: 16px; }
  .analysis-form { grid-template-columns: minmax(0, 1fr) minmax(190px, .8fr); }
}
@media (max-width: 600px) {
  .app-shell { grid-template-rows: 64px 52px auto minmax(0, 1fr); }
  .analysis-alert { align-items: flex-start; flex-wrap: wrap; padding: 10px 16px; }
  .topbar { padding: 0 12px; gap: var(--space-1); }
  .brand { gap: var(--space-1); }
  .brand-mark.small { width: 32px; height: 32px; font-size: 18px; }
  .brand strong { font-size: 17px; }
  .brand span:not(.brand-mark) { font-size: 12px; }
  .top-actions { gap: 4px; }
  .top-actions button { font-size: 14px; }
  .top-actions .new-assessment { gap: 6px; padding: 9px 10px; }
  .top-actions .icon-button { padding: 11px; }
  .workspace { padding: 20px 16px 0; }
  .section-heading h1 { font-size: var(--text-title); }
  .section-heading { gap: 8px; }
  .onboarding-guide { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .shooting-guide { display: block; }
  .shooting-guide ul { display: grid; gap: 4px; margin-top: 6px; }
  .demo-entry { align-items: stretch; flex-direction: column; }
  .demo-entry button { width: 100%; }
  .analysis-form { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .dropzone { grid-row: auto; min-height: 120px; flex-wrap: wrap; padding: var(--space-2); gap: var(--space-2); }
  .upload-copy { flex-basis: 140px; }
  .upload-actions { display: flex; flex-basis: 100%; }
  .upload-actions #choose-image { flex: 1; }
  .upload-thumbnail { width: 56px; height: 72px; }
  .analysis-form > .primary { grid-column: auto; }
  .action-field select { font-size: 16px; }
  .welcome-state { padding: var(--space-3) 0; }
  .result-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .result-head { gap: 12px; }
  .result-head h2 { font-size: var(--text-title); }
  .score-block { padding-left: 12px; }
  .score-block strong { font-size: 36px; }
  .annotation-frame { height: clamp(300px, 48dvh, 500px); }
  .metric-chips { gap: var(--space-1); font-size: 14px; }
  .compare-prompt { align-items: flex-start; flex-direction: column; gap: 6px; }
  .compare-prompt button { width: 100%; }
  .comparison-selector { grid-template-columns: minmax(0, 1fr); }
  .comparison-selector select { font-size: 16px; }
  .comparison-summary { gap: 16px; }
  .comparison-summary strong { font-size: 22px; }
  .comparison-pair { grid-template-columns: minmax(0, 1fr); }
  .comparison-record { padding: var(--space-2) 0; }
  .comparison-record + .comparison-record { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
  .score-comparison-row { grid-template-columns: auto minmax(0, 1fr) 72px; gap: var(--space-1); }
  .history-list { grid-template-columns: minmax(0, 1fr); }
  .bubble { max-width: 95%; }
  .agent-heading { align-items: flex-start; }
  .agent-state { margin-top: 2px; }
  .agent-capabilities { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chat-bar .primary { padding-left: 12px; padding-right: 12px; }
  .table-scroll { margin: 0 -2px; }
  table { min-width: 490px; }
  th, td { padding: 10px 8px; }
  .login-panel { padding: 28px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }