:root {
  color-scheme: light;
  --bg: #f6f7f5;
  --surface: #ffffff;
  --surface-muted: #f0f4f2;
  --ink: #17211d;
  --muted: #63726c;
  --faint: #8a9892;
  --line: #dce4e0;
  --line-strong: #bfccc6;
  --green: #257a55;
  --green-strong: #1b5f42;
  --green-soft: #e1f1ea;
  --blue: #315d8b;
  --blue-soft: #e6eef6;
  --amber: #a86612;
  --amber-soft: #fff0d8;
  --red: #a6403b;
  --red-soft: #fae6e4;
  --shadow: 0 18px 40px rgba(30, 46, 39, 0.08);
  --shadow-soft: 0 8px 22px rgba(30, 46, 39, 0.06);
  --radius: 8px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: linear-gradient(180deg, #fbfcfb 0, var(--bg) 340px), var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.45;
}

button,
textarea,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.app-shell {
  min-height: 100vh;
  max-width: 1680px;
  margin: 0 auto;
  padding: 18px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(210px, 0.82fr) minmax(300px, 1.15fr) minmax(330px, 1fr);
  gap: 14px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--green-soft);
  color: var(--green);
}

.brand-mark svg {
  width: 26px;
  height: 26px;
}

.brand-mark svg path:first-child {
  fill: rgba(37, 122, 85, 0.12);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 16px;
  line-height: 1.1;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.topnav {
  display: flex;
  gap: 10px;
  justify-content: center;
  min-width: 0;
  color: var(--muted);
  font-size: 13px;
}

.topnav span {
  overflow: hidden;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topnav .version {
  color: var(--green);
  background: var(--green-soft);
}

.top-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
}

.service-pill,
.small-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--amber);
}

.service-pill.ok .status-dot {
  background: var(--green);
}

.service-pill.bad .status-dot {
  background: var(--red);
}

.small-status.bad {
  border-color: rgba(166, 64, 59, 0.32);
  background: var(--red-soft);
  color: var(--red);
}

.segmented {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.segmented button {
  min-width: 40px;
  min-height: 30px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.segmented button.active {
  background: var(--surface);
  color: var(--green);
  box-shadow: 0 1px 5px rgba(30, 46, 39, 0.12);
}

.icon-button,
.primary-button,
.secondary-button,
.tab-control button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
}

.icon-button {
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(300px, 0.86fr) minmax(380px, 1.05fr);
  gap: 18px;
  align-items: start;
  margin-top: 18px;
}

.lower-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.85fr);
  gap: 18px;
  align-items: start;
  margin-top: 18px;
}

.panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.input-panel,
.steps-panel,
.result-panel,
.trace-panel,
.timeline-panel,
.sources-panel {
  padding: 18px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1,
h2 {
  font-size: 17px;
  line-height: 1.25;
}

.panel-subtitle {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.tab-control {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}

.tab-control button {
  border: 1px solid var(--line);
  background: var(--surface-muted);
  color: var(--muted);
}

.tab-control button.active {
  border-color: rgba(37, 122, 85, 0.45);
  background: var(--green-soft);
  color: var(--green);
}

.field-label {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

textarea {
  width: 100%;
  min-height: 168px;
  resize: vertical;
  padding: 14px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fbfcfb;
  color: var(--ink);
  outline: none;
}

textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(37, 122, 85, 0.15);
}

.hint {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.upload-box {
  display: grid;
  place-items: center;
  gap: 5px;
  min-height: 116px;
  margin-top: 16px;
  padding: 18px;
  border: 1px dashed var(--line-strong);
  border-radius: 8px;
  background: var(--surface-muted);
  color: var(--muted);
  cursor: pointer;
  text-align: center;
}

.upload-box.active {
  border-color: rgba(49, 93, 139, 0.52);
  background: var(--blue-soft);
  color: var(--blue);
}

.upload-box.loading {
  border-color: rgba(168, 102, 18, 0.48);
  background: var(--amber-soft);
  color: var(--amber);
}

.upload-box.success {
  border-color: rgba(37, 122, 85, 0.42);
  background: var(--green-soft);
  color: var(--green);
}

.upload-box.error {
  border-color: rgba(166, 64, 59, 0.42);
  background: var(--red-soft);
  color: var(--red);
}

.upload-box svg {
  width: 34px;
  height: 34px;
  color: currentColor;
}

.upload-box strong {
  color: currentColor;
  font-size: 13px;
}

.upload-box span {
  font-size: 12px;
}

.button-row {
  display: grid;
  grid-template-columns: minmax(120px, 0.72fr) minmax(170px, 1fr);
  gap: 10px;
  margin-top: 16px;
}

.primary-button {
  border: 1px solid #1e6948;
  background: var(--green);
  color: #fff;
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.secondary-button {
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.secondary-button.compact {
  min-height: 32px;
  font-size: 12px;
}

.stepper {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.step-index {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--surface-muted);
  color: var(--muted);
  font-weight: 800;
}

.step.done .step-index {
  background: var(--green-soft);
  color: var(--green);
}

.step.active {
  border-color: rgba(49, 93, 139, 0.45);
  background: var(--blue-soft);
}

.step h3 {
  margin-bottom: 3px;
  font-size: 13px;
}

.step p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.video-frame {
  position: relative;
  overflow: hidden;
  min-height: 300px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(37, 122, 85, 0.12), transparent 42%),
    linear-gradient(215deg, rgba(49, 93, 139, 0.14), transparent 48%),
    #eef3f0;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.55);
}

.video-frame.fullscreen {
  position: fixed;
  inset: 18px;
  z-index: 100;
  min-height: calc(100vh - 36px);
  box-shadow: 0 24px 80px rgba(23, 33, 29, 0.24);
}

.video-frame.playing .scrubber span {
  width: 100%;
}

.video-frame.playing .avatar-image {
  transform: translateY(-3px) scale(1.012);
}

.avatar {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: end center;
  padding: 10px 18px 60px;
}

.avatar-image {
  display: block;
  width: min(92%, 510px);
  max-height: 100%;
  object-fit: contain;
  object-position: center bottom;
  filter: drop-shadow(0 18px 28px rgba(23, 33, 29, 0.18));
  transition: transform 180ms ease;
}

.video-controls {
  position: absolute;
  right: 12px;
  bottom: 12px;
  left: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--muted);
  font-size: 12px;
}

.play-button,
.ghost-icon {
  display: grid;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--green);
}

.play-button[aria-pressed="true"],
.ghost-icon.muted {
  border-color: rgba(37, 122, 85, 0.38);
  background: var(--green-soft);
}

.scrubber {
  position: relative;
  flex: 1;
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--line);
}

.scrubber span {
  display: block;
  width: 28%;
  height: 100%;
  background: var(--green);
}

.subtitle-box {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
}

.result-meta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
  margin-top: 14px;
}

.meta-label {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.confidence-line {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--line);
}

.confidence-line span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--amber), var(--green));
  transition: width 180ms ease;
}

.job-meta {
  margin-top: 10px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--green-soft);
  color: var(--green-strong);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
}

.job-meta.muted {
  background: #fbfcfb;
  color: var(--muted);
}

.warning-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding: 12px;
  border: 1px solid rgba(168, 102, 18, 0.3);
  border-radius: 8px;
  background: var(--amber-soft);
  color: var(--amber);
  line-height: 1.4;
}

.feedback-card {
  display: grid;
  gap: 10px;
  margin-top: 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.feedback-card > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feedback-actions button {
  min-height: 36px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
}

.feedback-actions button:hover:not(:disabled),
.feedback-actions button:focus-visible:not(:disabled) {
  border-color: rgba(37, 122, 85, 0.35);
  background: var(--green-soft);
}

.feedback-actions button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.risk-card {
  display: grid;
  gap: 4px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid rgba(166, 64, 59, 0.34);
  border-radius: 8px;
  background: var(--red-soft);
  color: var(--red);
}

.risk-card[hidden] {
  display: none;
}

.risk-card strong {
  color: var(--red);
  font-size: 13px;
}

.risk-card span {
  font-size: 12px;
}

.playback-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
}

.trace-panel {
  margin-top: 18px;
}

.trace-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.trace-summary div {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #f9fbfa, var(--surface-muted));
}

.trace-summary strong,
.trace-summary span {
  display: block;
}

.trace-summary strong {
  color: var(--ink);
  font-size: 18px;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.trace-summary span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.25;
}

.trace-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.trace-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 9px;
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
}

.trace-step.blocked {
  border-color: rgba(166, 64, 59, 0.34);
  background: var(--red-soft);
}

.trace-step.required {
  border-color: rgba(168, 102, 18, 0.3);
  background: var(--amber-soft);
}

.trace-step-status {
  width: fit-content;
  height: fit-content;
  padding: 3px 7px;
  border-radius: 6px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.2;
}

.trace-step.blocked .trace-step-status {
  background: rgba(166, 64, 59, 0.14);
  color: var(--red);
}

.trace-step.required .trace-step-status {
  background: rgba(168, 102, 18, 0.14);
  color: var(--amber);
}

.trace-step strong,
.trace-step span:last-child {
  display: block;
}

.trace-step strong {
  color: var(--ink);
  font-size: 12px;
  line-height: 1.25;
}

.trace-step span:last-child {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.speed-button,
.subtitle-toggle {
  min-height: 30px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.speed-button.active {
  border-color: rgba(37, 122, 85, 0.4);
  background: var(--green-soft);
  color: var(--green);
}

.subtitle-toggle {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}

.subtitle-toggle input {
  accent-color: var(--green);
}

.coverage-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.coverage-strip div {
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #f9fbfa, var(--surface-muted));
}

.coverage-strip strong,
.coverage-strip span {
  display: block;
}

.coverage-strip strong {
  color: var(--ink);
  font-size: 18px;
  line-height: 1.1;
}

.coverage-strip span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.25;
}

.warning-card strong,
.warning-card span {
  display: block;
}

.warning-card strong {
  color: #67400f;
  font-size: 13px;
}

.warning-card span {
  margin-top: 2px;
  font-size: 12px;
}

.warning-count {
  display: grid;
  min-width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 8px;
  background: rgba(168, 102, 18, 0.14);
  color: #67400f;
  font-weight: 800;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
  align-items: start;
}

.timeline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.view-mode-toggle button {
  min-width: 86px;
}

.timeline.compact {
  grid-template-columns: 1fr;
}

.timeline.compact .unit-card {
  grid-template-columns: minmax(72px, auto) minmax(0, 1fr) auto;
  min-height: 0;
  align-items: center;
}

.timeline.compact .unit-source:last-child {
  text-align: right;
}

.timeline.compact .unit-decision,
.timeline.compact .unit-review {
  grid-column: 1 / -1;
}

.unit-card {
  display: grid;
  gap: 8px;
  min-height: 124px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  cursor: pointer;
  text-align: left;
}

.unit-card:hover,
.unit-card:focus-visible,
.unit-card.selected {
  border-color: rgba(37, 122, 85, 0.42);
  box-shadow: 0 0 0 3px rgba(37, 122, 85, 0.12);
}

.unit-card.fallback {
  border-color: rgba(168, 102, 18, 0.36);
  background: var(--amber-soft);
}

.unit-card.fallback.selected,
.unit-card.fallback:hover,
.unit-card.fallback:focus-visible {
  border-color: rgba(168, 102, 18, 0.5);
  box-shadow: 0 0 0 3px rgba(168, 102, 18, 0.13);
}

.unit-kind {
  width: fit-content;
  padding: 3px 7px;
  border-radius: 6px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
}

.unit-card.fallback .unit-kind {
  background: rgba(168, 102, 18, 0.15);
  color: var(--amber);
}

.unit-gloss {
  overflow-wrap: anywhere;
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.45;
}

.unit-source {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.unit-decision {
  padding-top: 8px;
  border-top: 1px solid rgba(99, 114, 108, 0.16);
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.unit-review {
  display: none;
  padding: 8px;
  border-radius: 7px;
  background: rgba(49, 93, 139, 0.08);
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.35;
}

.review-mode .unit-review {
  display: block;
}

.unit-inspector {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #fbfcfb, var(--surface-muted));
}

.unit-inspector h3 {
  font-size: 13px;
  line-height: 1.25;
}

.unit-inspector-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.unit-inspector-item {
  min-width: 0;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
}

.unit-inspector-item span,
.unit-inspector-item strong {
  display: block;
}

.unit-inspector-item span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.unit-inspector-item strong {
  margin-top: 3px;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.unit-inspector-note {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 12px;
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend i {
  width: 9px;
  height: 9px;
  border-radius: 999px;
}

.legend .ok {
  background: var(--green);
}

.legend .fallback {
  background: var(--amber);
}

.legend .technical {
  background: var(--blue);
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  table-layout: fixed;
}

th:first-child,
td:first-child {
  width: 34%;
}

th:nth-child(2),
td:nth-child(2) {
  width: 28%;
}

th:nth-child(3),
td:nth-child(3) {
  width: 18%;
}

th:nth-child(4),
td:nth-child(4) {
  width: 20%;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}

th {
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

td {
  color: var(--ink);
  font-size: 12px;
}

tr:last-child td {
  border-bottom: 0;
}

.status-badge {
  display: inline-flex;
  padding: 3px 7px;
  border-radius: 6px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 11px;
  font-weight: 800;
  white-space: normal;
  overflow-wrap: anywhere;
}

.status-badge.verified {
  background: var(--green-soft);
  color: var(--green);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin-top: 18px;
  padding: 12px 2px;
  color: var(--muted);
  font-size: 12px;
}

:focus-visible {
  outline: 3px solid rgba(37, 122, 85, 0.26);
  outline-offset: 2px;
}

@media (max-width: 1180px) {
  .topbar,
  .workspace,
  .lower-grid {
    grid-template-columns: 1fr;
  }

  .topnav,
  .top-actions {
    justify-content: flex-start;
  }

  .top-actions {
    flex-wrap: wrap;
  }

  .result-panel {
    order: 2;
  }

  .steps-panel {
    order: 3;
  }

  .trace-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body {
    font-size: 14px;
  }

  .app-shell {
    padding: 10px;
  }

  .topbar {
    position: static;
    gap: 12px;
    padding: 12px;
  }

  .input-panel,
  .steps-panel,
  .result-panel,
  .trace-panel,
  .timeline-panel,
  .sources-panel {
    padding: 12px;
  }

  .topnav {
    display: none;
  }

  .icon-button span {
    display: none;
  }

  .button-row {
    gap: 8px;
  }

  .button-row,
  .result-meta {
    grid-template-columns: 1fr;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .video-frame {
    min-height: 244px;
  }

  .avatar {
    padding: 8px 10px 62px;
  }

  .avatar-image {
    width: min(100%, 390px);
  }

  .video-controls {
    right: 10px;
    bottom: 10px;
    left: 10px;
    gap: 8px;
  }

  .feedback-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .timeline {
    grid-template-columns: 1fr;
  }

  .timeline-actions {
    width: 100%;
    justify-content: stretch;
  }

  .timeline-actions .segmented,
  .timeline-actions .secondary-button {
    width: 100%;
  }

  .view-mode-toggle button {
    flex: 1;
    min-width: 0;
  }

  .unit-inspector-grid {
    grid-template-columns: 1fr;
  }

  .coverage-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trace-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trace-list {
    grid-template-columns: 1fr;
  }

  .trace-step {
    grid-template-columns: minmax(62px, auto) minmax(0, 1fr);
  }

  .unit-card {
    min-height: 0;
  }

  .table-wrap {
    border: 0;
  }

  table,
  thead,
  tbody,
  tr,
  th,
  td {
    display: block;
    width: 100%;
    min-width: 0;
  }

  th:first-child,
  td:first-child,
  th:nth-child(2),
  td:nth-child(2),
  th:nth-child(3),
  td:nth-child(3),
  th:nth-child(4),
  td:nth-child(4) {
    width: 100%;
  }

  thead {
    display: none;
  }

  tr {
    margin-bottom: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fbfcfb;
  }

  td {
    display: grid;
    grid-template-columns: 86px 1fr;
    gap: 10px;
    min-height: 34px;
    padding: 8px 10px;
    border-bottom: 1px solid var(--line);
  }

  td:last-child {
    border-bottom: 0;
  }

  td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-transform: uppercase;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}