:root {
  --monitor-night: #10171b;
  --steel-bed: #151f24;
  --glass-slate: #1a252b;
  --inset-field: #0d1418;
  --line-soft: rgba(199, 221, 226, 0.1);
  --line-strong: rgba(199, 221, 226, 0.22);
  --text-primary: #eef7f5;
  --text-secondary: #a9c0c2;
  --text-tertiary: #739096;
  --arterial: #d65355;
  --venous: #4f9fcb;
  --amber: #d8a24c;
  --stable: #68b895;
  --radius-panel: 8px;
  --radius-control: 6px;
  --space: 8px;
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--monitor-night);
  color: var(--text-primary);
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 264px 1fr;
  height: 100vh;
  overflow: hidden;
}

.rail {
  border-right: 1px solid var(--line-soft);
  padding: calc(var(--space) * 3);
  display: flex;
  flex-direction: column;
  gap: calc(var(--space) * 4);
  overflow-y: auto;
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(214, 83, 85, 0.34);
  border-radius: 8px;
  color: #ffd9d7;
  background: rgba(214, 83, 85, 0.12);
  font-weight: 800;
}

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

.brand span,
.eyebrow,
.rail-note span,
.section-head span,
.canvas-overlay span {
  color: var(--text-tertiary);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.nav-stack {
  display: grid;
  gap: 6px;
}

.nav-item,
.ghost-button,
.primary-button,
.segment,
.icon-button {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-control);
  color: var(--text-secondary);
  background: transparent;
  min-height: 38px;
  cursor: pointer;
}

.nav-item {
  text-align: left;
  padding: 0 12px;
}

.nav-item:hover,
.segment:hover,
.ghost-button:hover {
  border-color: var(--line-strong);
  color: var(--text-primary);
}

.nav-item.active,
.segment.active {
  color: var(--text-primary);
  background: rgba(79, 159, 203, 0.12);
  border-color: rgba(79, 159, 203, 0.34);
}

.rail-note {
  margin-top: auto;
  padding: 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-panel);
  background: var(--steel-bed);
}

.rail-note p {
  color: var(--text-secondary);
  line-height: 1.45;
  margin: 8px 0 0;
  font-size: 13px;
}

.workbench {
  min-width: 0;
  padding: calc(var(--space) * 3);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar,
.stage-toolbar,
.section-head,
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 24px;
  line-height: 1.1;
}

h2 {
  font-size: 15px;
  line-height: 1.2;
}

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

.primary-button {
  border-color: rgba(214, 83, 85, 0.4);
  background: var(--arterial);
  color: #fff7f6;
  padding: 0 14px;
  font-weight: 700;
}

.ghost-button {
  padding: 0 14px;
}

.clinical-grid {
  display: grid;
  grid-template-columns: minmax(240px, 300px) minmax(420px, 1fr) minmax(280px, 360px);
  gap: calc(var(--space) * 2);
  margin-top: calc(var(--space) * 3);
  flex: 1;
  min-height: 0;
}

.patient-column,
.detail-card,
.heart-stage {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-panel);
  background: var(--steel-bed);
}

.patient-column,
.detail-column {
  min-width: 0;
}

.patient-column {
  padding: 16px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.search-box {
  display: grid;
  gap: 6px;
  margin: 14px 0;
  color: var(--text-tertiary);
  font-size: 12px;
}

input,
select {
  width: 100%;
  min-height: 38px;
  border-radius: var(--radius-control);
  border: 1px solid var(--line-soft);
  background: var(--inset-field);
  color: var(--text-primary);
  padding: 0 10px;
}

.patient-list,
.finding-list,
.timeline {
  display: grid;
  gap: 8px;
}

.patient-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-right: 4px;
}

.patient-card,
.finding,
.timeline-item {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-control);
  background: rgba(255, 255, 255, 0.015);
  padding: 12px;
}

.patient-card {
  display: grid;
  gap: 8px;
  cursor: pointer;
}

.patient-card.active {
  border-color: rgba(214, 83, 85, 0.45);
  background: rgba(214, 83, 85, 0.08);
}

.patient-meta,
.finding small,
.timeline-item small {
  color: var(--text-tertiary);
  font-size: 12px;
}

.risk {
  width: max-content;
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 12px;
  border: 1px solid var(--line-soft);
}

.risk.Alto {
  color: #ffd9d7;
  border-color: rgba(214, 83, 85, 0.4);
}

.risk.Moderado {
  color: #ffe0a7;
  border-color: rgba(216, 162, 76, 0.42);
}

.risk.Baixo {
  color: #bff2d7;
  border-color: rgba(104, 184, 149, 0.4);
}

.heart-stage {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
  background: radial-gradient(circle at 50% 42%, rgba(79, 159, 203, 0.14), transparent 46%), var(--steel-bed);
}

.stage-toolbar {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(16, 23, 27, 0.52);
}

.segmented {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  background: var(--inset-field);
}

.segment {
  min-height: 30px;
  padding: 0 10px;
}

#heartCanvas {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  cursor: grab;
}

#heartCanvas:active {
  cursor: grabbing;
}

.internal-view {
  position: absolute;
  top: 88px;
  right: 18px;
  width: min(340px, calc(100% - 36px));
  border: 1px solid rgba(216, 162, 76, 0.34);
  border-radius: var(--radius-panel);
  padding: 12px;
  background: rgba(13, 20, 24, 0.82);
  backdrop-filter: blur(12px);
}

.internal-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.internal-head span,
.internal-view p {
  color: var(--text-tertiary);
  font-size: 12px;
}

.heart-cutaway {
  position: relative;
  height: 260px;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  overflow: hidden;
  background:
    radial-gradient(circle at 36% 38%, rgba(79, 159, 203, 0.16), transparent 28%),
    radial-gradient(circle at 58% 58%, rgba(214, 83, 85, 0.22), transparent 34%),
    rgba(16, 23, 27, 0.94);
}

#cutawayCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.chamber,
.septum,
.valve,
.flow {
  position: absolute;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.chamber {
  border: 1px solid rgba(238, 247, 245, 0.22);
  color: rgba(238, 247, 245, 0.72);
  font-size: 12px;
  font-weight: 800;
  opacity: 0;
}

.la {
  left: 52px;
  top: 34px;
  width: 92px;
  height: 64px;
  border-radius: 48% 52% 44% 56%;
  background: rgba(79, 159, 203, 0.14);
}

.lv {
  left: 66px;
  top: 114px;
  width: 104px;
  height: 90px;
  border-radius: 42% 48% 54% 46%;
  background: rgba(214, 83, 85, 0.18);
}

.rv {
  right: 54px;
  top: 104px;
  width: 86px;
  height: 82px;
  border-radius: 48%;
  background: rgba(79, 159, 203, 0.13);
}

.septum {
  left: 166px;
  top: 94px;
  width: 10px;
  height: 104px;
  border-radius: 999px;
  background: rgba(240, 183, 143, 0.34);
  transform: rotate(-8deg);
  opacity: 0;
}

.valve {
  width: 42px;
  height: 18px;
  border: 2px solid rgba(255, 214, 200, 0.52);
  border-radius: 999px;
  opacity: 0;
}

.mitral {
  left: 104px;
  top: 96px;
  transform: rotate(18deg);
}

.aortic {
  left: 166px;
  top: 60px;
  transform: rotate(-18deg);
}

.flow {
  height: 3px;
  border-radius: 999px;
}

.flow.normal {
  left: 118px;
  top: 112px;
  width: 70px;
  background: rgba(216, 162, 76, 0.75);
  transform: rotate(74deg);
  opacity: 0;
}

.flow.reflux {
  left: 80px;
  top: 86px;
  width: 58px;
  background: rgba(214, 83, 85, 0.9);
  transform: rotate(-28deg);
  opacity: 0;
}

.heart-cutaway[data-active="Valva mitral"] .mitral,
.heart-cutaway[data-active="Valva aortica"] .aortic,
.heart-cutaway[data-active="Ventriculo esquerdo"] .lv,
.heart-cutaway[data-active="Ventriculo direito"] .rv,
.heart-cutaway[data-active="Atrio esquerdo"] .la,
.heart-cutaway[data-active="Septum interventricular"] .septum {
  opacity: 1;
  box-shadow: 0 0 0 999px rgba(0, 0, 0, 0.08), 0 0 22px rgba(216, 162, 76, 0.72);
  border-color: rgba(216, 162, 76, 0.95);
  background-color: rgba(216, 162, 76, 0.24);
}

.heart-cutaway[data-active="Valva mitral"] .flow.reflux,
.heart-cutaway[data-active="Ventriculo esquerdo"] .flow.normal {
  opacity: 1;
}

.canvas-overlay {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.canvas-overlay div {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-control);
  padding: 10px;
  background: rgba(13, 20, 24, 0.72);
  backdrop-filter: blur(10px);
}

.canvas-overlay strong {
  display: block;
  margin-top: 2px;
}

.model-warning {
  position: absolute;
  left: 18px;
  top: 92px;
  max-width: 320px;
  border: 1px solid rgba(216, 162, 76, 0.42);
  border-radius: var(--radius-control);
  padding: 10px 12px;
  color: #ffe0a7;
  background: rgba(13, 20, 24, 0.82);
}

.detail-column {
  display: grid;
  gap: 16px;
  align-content: start;
  min-height: 0;
  overflow-y: auto;
  padding-right: 4px;
}

.detail-card {
  padding: 16px;
}

.icon-button {
  width: 34px;
  height: 34px;
  font-weight: 800;
}

.finding {
  display: grid;
  gap: 6px;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}

.finding b {
  color: #ffd9d7;
}

.finding:hover,
.finding.active {
  border-color: rgba(216, 162, 76, 0.5);
  background: rgba(216, 162, 76, 0.06);
}

.explanation-panel {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  border: 1px solid rgba(216, 162, 76, 0.34);
  border-radius: var(--radius-control);
  padding: 12px;
  background: rgba(216, 162, 76, 0.055);
}

.explanation-panel p {
  color: var(--text-secondary);
  line-height: 1.45;
  font-size: 13px;
}

.explain-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.explain-pill {
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  color: var(--text-secondary);
  padding: 4px 8px;
  font-size: 12px;
}

.timeline,
.doctor-list {
  margin-top: 12px;
}

.timeline-item {
  border-left: 2px solid rgba(79, 159, 203, 0.6);
}

.doctor-list {
  display: grid;
  gap: 8px;
}

.doctor-card {
  display: grid;
  gap: 5px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-control);
  padding: 10px;
  background: rgba(79, 159, 203, 0.045);
}

.doctor-card span {
  color: var(--text-tertiary);
  font-size: 12px;
}

.accuracy ol {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--text-secondary);
  line-height: 1.45;
  font-size: 13px;
}

.modal {
  width: min(680px, calc(100vw - 32px));
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--glass-slate);
  color: var(--text-primary);
  padding: 0;
}

.modal::backdrop {
  background: rgba(0, 0, 0, 0.6);
}

.modal form {
  padding: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 18px 0;
}

.form-grid label {
  display: grid;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 13px;
}

.form-grid .full {
  grid-column: 1 / -1;
}

.wide {
  width: 100%;
}

@media (max-width: 1120px) {
  body,
  .app-shell,
  .workbench {
    height: auto;
    overflow: visible;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .rail {
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
    overflow: visible;
  }

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

  .patient-column,
  .detail-column,
  .patient-list {
    min-height: 0;
    overflow: visible;
  }

  #heartCanvas {
    min-height: 480px;
  }
}

@media (max-width: 640px) {
  .workbench,
  .rail {
    padding: 16px;
  }

  .topbar,
  .stage-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .form-grid,
  .canvas-overlay {
    grid-template-columns: 1fr;
  }
}