:root {
  color-scheme: light;
  --page: #edf1ef;
  --surface: #ffffff;
  --surface-soft: #f5f7f6;
  --ink: #182326;
  --muted: #627075;
  --line: #d5ddda;
  --line-strong: #b9c5c1;
  --teal: #087f72;
  --teal-dark: #076158;
  --green: #2f8a62;
  --gold: #d8a82e;
  --red: #bd443e;
  --stage: #101719;
  --stage-muted: #a9b8b5;
  --shadow: 0 12px 32px rgba(24, 35, 38, 0.08);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-width: 320px;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(8, 127, 114, 0.22);
  outline-offset: 2px;
}

.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;
}

.topbar {
  min-height: 72px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 10px clamp(16px, 3vw, 40px);
  background: #182326;
  color: #ffffff;
  border-bottom: 3px solid var(--gold);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img,
.ally-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
  padding: 4px;
  background: #ffffff;
  border-radius: 5px;
}

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

.brand strong {
  font-size: 19px;
  line-height: 1.15;
}

.brand span {
  margin-top: 2px;
  color: #c6d1ce;
  font-size: 12px;
}

.institution {
  display: grid;
  gap: 2px;
  text-align: center;
  color: #dbe3e1;
  font-size: 12px;
}

.ally-logo {
  justify-self: end;
}

.module-nav {
  height: 58px;
  display: flex;
  align-items: stretch;
  padding: 0 clamp(16px, 3vw, 40px);
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.module-tab {
  min-width: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
}

.module-tab:hover {
  color: var(--ink);
  background: var(--surface-soft);
}

.module-tab.active {
  color: var(--teal-dark);
  border-bottom-color: var(--teal);
}

.module-number {
  font-size: 11px;
  color: #899590;
}

.workspace {
  width: min(1640px, 100%);
  min-height: calc(100vh - 172px);
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(390px, 0.8fr);
  gap: 18px;
  margin: 0 auto;
  padding: 18px clamp(16px, 3vw, 40px);
}

.capture-column,
.analysis-column {
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.capture-column {
  align-self: start;
  overflow: hidden;
}

.capture-toolbar {
  min-height: 66px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.source-switch {
  flex: 0 0 auto;
  display: flex;
  padding: 3px;
  background: #e8edeb;
  border-radius: 6px;
}

.source-option {
  min-height: 34px;
  padding: 0 13px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
}

.source-option.active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 1px 4px rgba(24, 35, 38, 0.12);
}

.source-controls {
  min-width: 0;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.device-field {
  min-width: 170px;
  flex: 1;
}

.quality-field {
  min-width: 118px;
}

input,
select {
  width: 100%;
  min-height: 40px;
  padding: 0 11px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #ffffff;
  color: var(--ink);
}

input:hover,
select:hover {
  border-color: #8f9e99;
}

label {
  display: grid;
  gap: 5px;
  color: #33454a;
  font-size: 12px;
  font-weight: 700;
}

.button,
.file-button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: #ffffff;
  color: var(--ink);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  font-weight: 700;
  font-size: 13px;
}

.button:hover,
.file-button:hover {
  background: #f0f4f2;
}

.button.primary {
  border-color: var(--teal);
  background: var(--teal);
  color: #ffffff;
}

.button.primary:hover {
  background: var(--teal-dark);
}

.button.secondary,
.file-button.secondary {
  border-color: #9eb5ae;
  background: #e9f2ef;
  color: #185d51;
}

.button.quiet {
  background: transparent;
}

.button:disabled,
.file-button:has(input:disabled) {
  opacity: 0.45;
  cursor: not-allowed;
}

.file-button input {
  display: none;
}

.motion-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--stage);
}

#camera-video,
#pose-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#camera-video {
  object-fit: contain;
  background: var(--stage);
  transform: scaleX(-1);
}

#pose-overlay {
  z-index: 2;
  pointer-events: none;
}

#pose-overlay.mirrored {
  transform: scaleX(-1);
}

.stage-empty {
  width: min(460px, calc(100% - 40px));
  display: grid;
  justify-items: center;
  gap: 10px;
  color: #ffffff;
  text-align: center;
}

.stage-empty-mark {
  width: 64px;
  height: 46px;
  border: 2px solid #61706d;
  border-radius: 6px;
  position: relative;
}

.stage-empty-mark::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  left: 50%;
  top: 50%;
  border: 2px solid var(--gold);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.stage-empty strong {
  font-size: 18px;
}

.stage-empty span {
  max-width: 420px;
  color: var(--stage-muted);
  font-size: 13px;
  line-height: 1.5;
}

.stage-topline {
  position: absolute;
  z-index: 3;
  top: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  pointer-events: none;
}

.stage-badge {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 4px;
  background: rgba(16, 23, 25, 0.84);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
}

.stage-badge.accent {
  border-color: rgba(216, 168, 46, 0.65);
  color: #f8dda0;
}

.view-guide {
  position: absolute;
  z-index: 2;
  inset: 10% 10%;
  border: 1px dashed rgba(255, 255, 255, 0.36);
  pointer-events: none;
}

.view-guide::before {
  content: "";
  position: absolute;
  background: rgba(216, 168, 46, 0.55);
}

.motion-stage[data-guide="frontal"] .view-guide::before {
  width: 1px;
  top: 0;
  bottom: 0;
  left: 50%;
}

.motion-stage[data-guide="lateral"] .view-guide::before {
  height: 1px;
  left: 0;
  right: 0;
  bottom: 14%;
}

.view-guide span {
  position: absolute;
  left: 8px;
  bottom: 8px;
  padding: 5px 7px;
  background: rgba(16, 23, 25, 0.8);
  color: #ffffff;
  font-size: 11px;
}

.processing-indicator {
  position: absolute;
  z-index: 3;
  right: 12px;
  bottom: 12px;
  padding: 6px 9px;
  border-radius: 4px;
  background: rgba(8, 127, 114, 0.9);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
}

.session-timeline {
  display: grid;
  grid-template-columns: auto minmax(180px, 1fr);
  align-items: center;
  gap: 18px;
  padding: 12px 14px;
  border-top: 1px solid #263234;
  background: #182326;
  color: #ffffff;
}

.session-timeline strong,
.session-timeline span {
  display: block;
}

.session-timeline strong {
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
}

.session-timeline span {
  margin-top: 3px;
  color: #b7c4c1;
  font-size: 11px;
}

.session-timeline input {
  min-height: 24px;
  padding: 0;
  border: 0;
  accent-color: var(--gold);
}

.status-strip {
  min-height: 52px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  color: #35464a;
  font-size: 13px;
}

.status-dot {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #899590;
}

.status-dot.live {
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(47, 138, 98, 0.12);
}

.status-dot.error {
  background: var(--red);
}

.report-link {
  margin-left: auto;
  color: var(--teal-dark);
  font-weight: 700;
}

.analysis-column {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  padding: 20px;
  overflow: hidden;
}

.analysis-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  display: block;
  margin-bottom: 5px;
  color: var(--teal);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.analysis-header h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
}

.recording-state {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  padding: 0 9px;
  border-radius: 4px;
  background: #edf1ef;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.recording-state.live {
  background: #e1f1e9;
  color: #176345;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  padding: 16px 0;
}

.metric {
  min-height: 82px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface-soft);
}

.metric span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.metric strong {
  margin-top: 7px;
  font-size: 22px;
  line-height: 1.05;
}

.control-section {
  display: grid;
  gap: 14px;
}

.primary-control {
  display: grid;
  gap: 6px;
}

.primary-control label {
  font-size: 12px;
  text-transform: uppercase;
}

.primary-control select {
  min-height: 46px;
  font-size: 15px;
  font-weight: 700;
}

.context-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.settings {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.settings summary {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #33454a;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  list-style: none;
}

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

.settings summary::after {
  content: "+";
  color: var(--teal);
  font-size: 18px;
}

.settings[open] summary::after {
  content: "−";
}

.settings-body {
  display: grid;
  gap: 14px;
  padding: 0 0 15px;
}

.form-grid {
  display: grid;
  gap: 9px;
}

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

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

.range-group {
  display: grid;
  gap: 7px;
}

.range-group > span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

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

.action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 2px;
}

.action-bar .grow {
  flex: 1;
}

.guidance {
  padding: 12px 14px;
  border-left: 3px solid var(--gold);
  background: #fbf7ea;
  color: #554a2b;
  font-size: 12px;
  line-height: 1.45;
}

.clinical-note {
  margin: auto 0 0;
  padding-top: 18px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.credits {
  min-height: 42px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px clamp(16px, 3vw, 40px);
  color: #697873;
  font-size: 10px;
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: minmax(0, 1.35fr) minmax(360px, 0.8fr);
  }

  .capture-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .source-switch {
    align-self: flex-start;
  }

  .source-controls {
    justify-content: flex-start;
  }
}

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

  .institution {
    display: none;
  }

  .workspace {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .analysis-column {
    min-height: 580px;
  }
}

@media (max-width: 640px) {
  .topbar {
    min-height: 62px;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .brand img,
  .ally-logo {
    width: 40px;
    height: 40px;
  }

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

  .module-nav {
    height: 54px;
    padding: 0;
  }

  .module-tab {
    min-width: 0;
    flex: 1;
    gap: 5px;
    padding: 0 7px;
    font-size: 12px;
  }

  .module-number {
    display: none;
  }

  .workspace {
    gap: 10px;
    padding: 10px;
  }

  .capture-column,
  .analysis-column {
    border-radius: 6px;
  }

  .source-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .device-field {
    min-width: 0;
    grid-column: 1 / -1;
  }

  .quality-field {
    min-width: 0;
  }

  .file-button {
    white-space: normal;
    text-align: center;
  }

  .motion-stage {
    aspect-ratio: 4 / 3;
  }

  .stage-topline {
    align-items: flex-start;
    flex-direction: column;
  }

  .session-timeline {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .analysis-column {
    min-height: 620px;
    padding: 16px;
  }

  .analysis-header h1 {
    font-size: 19px;
  }

  .form-grid.two,
  .form-grid.four,
  .context-row {
    grid-template-columns: 1fr;
  }

  .profile-actions {
    flex-direction: column;
  }

  .action-bar .button {
    flex: 1 1 44%;
  }

  .credits {
    align-items: flex-start;
    flex-direction: column;
  }
}