/* ============================================================
   Laudos US — tokens
   Paleta: papel frio + tinta grafite + verde-azulado clínico.
   Serif (Source Serif 4) para o documento/laudo em si — o app
   deve parecer que já É o papel do laudo, não uma tela em volta
   dele. Sans (IBM Plex Sans) para a interface de controle.
   ============================================================ */
:root {
  --paper: #f6f7f5;
  --surface: #ffffff;
  --ink: #1c2321;
  --ink-soft: #59645f;
  --ink-faint: #8b958f;
  --line: #dde1dc;
  --line-soft: #ebede9;

  --primary: #0f5c56;
  --primary-deep: #0a413d;
  --primary-wash: #e7f0ee;

  --normal: #2e6b4f;
  --normal-wash: #e7f1ea;
  --altered: #a8442c;
  --altered-wash: #f8eae5;

  --cat-modob: #3a5a8c;
  --cat-doppler: #a6432b;
  --cat-musculo: #5b7a3a;
  --cat-obstetrico: #7c4a85;

  --radius: 3px;
  --radius-lg: 6px;
  --shadow-paper: 0 1px 2px rgba(28, 35, 33, 0.06), 0 8px 24px -12px rgba(28, 35, 33, 0.18);

  --font-ui: "IBM Plex Sans", system-ui, sans-serif;
  --font-doc: "Source Serif 4", Georgia, serif;
  --font-mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.5;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button { cursor: pointer; }

::selection { background: var(--primary-wash); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

a { color: var(--primary-deep); }

/* ---------- layout shell ---------- */
#app { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.topbar .wordmark {
  font-family: var(--font-doc);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: 0.2px;
  color: var(--primary-deep);
}

.topbar .wordmark small {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 12px;
  color: var(--ink-faint);
  margin-left: 8px;
}

.topbar nav { margin-left: auto; display: flex; gap: 14px; align-items: center; }

.btn {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-weight: 500;
  font-size: 13.5px;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn:hover { border-color: var(--ink-faint); }
.btn:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-deep); border-color: var(--primary-deep); }
.btn-quiet {
  border-color: transparent;
  background: transparent;
  color: var(--ink-soft);
  padding: 8px 10px;
}
.btn-quiet:hover { color: var(--ink); }
.btn[disabled] { opacity: 0.45; cursor: default; }

main { flex: 1; padding: 28px; max-width: 1240px; width: 100%; margin: 0 auto; }

/* ---------- home: browser de exames ---------- */
.browser {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: start;
}

.rail { position: sticky; top: 28px; }
.rail h2 {
  font-size: 11.5px;
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--ink-faint);
  font-weight: 600;
  margin: 0 0 10px;
}
.rail-list { list-style: none; margin: 0 0 24px; padding: 0; }
.rail-list button {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 7px 0;
  color: var(--ink-soft);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid transparent;
}
.rail-list button.active { color: var(--ink); font-weight: 600; }
.rail-list button:hover { color: var(--ink); }
.rail-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

.search-box {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: 18px;
}
.search-box:focus { border-color: var(--primary); }

.exam-index { border-top: 1px solid var(--line); }
.exam-row {
  display: grid;
  grid-template-columns: 3px 1fr auto auto;
  align-items: center;
  gap: 16px;
  padding: 13px 4px;
  border-bottom: 1px solid var(--line-soft);
}
.exam-row .bar { align-self: stretch; border-radius: 2px; }
.exam-row .name { font-size: 15px; }
.exam-row .cat-label { font-size: 12px; color: var(--ink-faint); }
.exam-row .fav {
  background: none; border: none; color: var(--ink-faint); font-size: 16px; padding: 4px;
}
.exam-row .fav.active { color: #c99a2e; }
.exam-row .open {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 6px 13px;
  font-size: 13px;
  font-weight: 500;
}
.exam-row .open:hover { border-color: var(--primary); color: var(--primary-deep); }

.section-heading {
  font-family: var(--font-doc);
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
  margin: 30px 0 4px;
}
.section-heading:first-child { margin-top: 0; }
.result-count { color: var(--ink-faint); font-size: 13px; margin-bottom: 4px; }
.empty-state { padding: 40px 0; color: var(--ink-faint); text-align: center; }

/* ---------- exam view ---------- */
.exam-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}
.exam-header h1 {
  font-family: var(--font-doc);
  font-size: 26px;
  font-weight: 600;
  margin: 0 0 4px;
}
.exam-header .breadcrumb {
  font-size: 13px;
  color: var(--ink-faint);
}
.exam-actions { display: flex; gap: 8px; flex-shrink: 0; }

.exam-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 28px;
  align-items: start;
}
.exam-grid.has-nav {
  grid-template-columns: 170px 1.15fr 1fr;
}
@media (max-width: 1100px) {
  .exam-grid.has-nav { grid-template-columns: 150px 1fr; }
  .exam-grid.has-nav .preview-wrap { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .exam-grid { grid-template-columns: 1fr; }
  .exam-grid.has-nav { grid-template-columns: 1fr; }
  .browser { grid-template-columns: 1fr; }
  .rail { position: static; }
}

.exam-nav {
  position: sticky;
  top: 28px;
  max-height: calc(100vh - 56px);
  overflow-y: auto;
}
.exam-nav h2 {
  font-size: 11px;
  color: var(--ink-faint);
  font-weight: 600;
  margin: 0 0 8px;
}
.exam-nav .rail-list button {
  font-size: 13px;
  padding: 5px 0;
  color: var(--ink-soft);
  white-space: normal;
}
.exam-nav .rail-list button:hover { color: var(--primary-deep); }
@media (max-width: 900px) {
  .exam-nav { position: static; max-height: none; display: flex; flex-wrap: wrap; gap: 4px 14px; }
  .exam-nav h2 { width: 100%; }
  .exam-nav .rail-list { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 0; }
  .exam-nav .rail-list li { list-style: none; }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.field-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 12px; color: var(--ink-soft); font-weight: 500; }
.field input, .field textarea {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 7px 9px;
  background: var(--paper);
}
.field input:focus, .field textarea:focus { border-color: var(--primary); background: var(--surface); }

.technique-box textarea { width: 100%; min-height: 52px; resize: vertical; }

.topic {
  border-top: 1px solid var(--line-soft);
  padding: 14px 0;
}
.topic:first-of-type { border-top: none; padding-top: 0; }
.topic-title {
  font-weight: 600;
  font-size: 13.5px;
  color: var(--ink-soft);
  margin: 0 0 10px;
}

.item { padding: 10px 0; border-top: 1px solid var(--line-soft); }
.item:first-child { border-top: none; }
.item-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 6px; }
.item-label { font-size: 14px; font-weight: 500; }

.toggle-pair {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  flex-shrink: 0;
}
.toggle-pair button {
  border: none;
  background: var(--surface);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-faint);
}
.toggle-pair button.on.normal { background: var(--normal-wash); color: var(--normal); }
.toggle-pair button.on.altered { background: var(--altered-wash); color: var(--altered); }

.item-text {
  font-size: 13.5px;
  color: var(--ink-soft);
  margin: 0;
}
.item-text.altered-text { color: var(--altered); }
.item-text textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 7px 9px;
  background: var(--paper);
  color: var(--ink);
}
.item-text.altered-text textarea { background: var(--altered-wash); }
.item-text.normal-text textarea { background: var(--normal-wash); }

.impression-box textarea { width: 100%; min-height: 70px; resize: vertical; }

/* preview — "papel" */
.preview-wrap { position: sticky; top: 28px; }
.preview-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  min-height: 20px;
}
.preview-hint { font-size: 12px; color: var(--ink-faint); }
.preview {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-paper);
  padding: 40px 36px;
  font-family: var(--font-doc);
  color: var(--ink);
  min-height: 400px;
  cursor: text;
}
.preview:focus {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
}
.preview h2 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 2px;
}
.preview .preview-meta {
  font-family: var(--font-ui);
  font-size: 12px;
  color: var(--ink-faint);
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.preview h3 {
  font-size: 13px;
  font-family: var(--font-ui);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-faint);
  margin: 20px 0 6px;
}
.preview h3:first-of-type { margin-top: 0; }
.preview p { font-size: 15.5px; line-height: 1.65; margin: 0 0 6px; }
.preview .placeholder { color: var(--ink-faint); font-family: var(--font-ui); font-size: 13px; font-style: italic; }

/* ---------- edit-mode (modelo) ---------- */
.edit-banner {
  background: var(--primary-wash);
  color: var(--primary-deep);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: space-between;
}
.item-edit-row { display: grid; grid-template-columns: 1fr; gap: 6px; margin-bottom: 8px; }
.item-edit-row input { border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 8px; }
.item-edit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.item-edit-grid textarea {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 8px; min-height: 54px; font-size: 13px;
}
.link-btn {
  background: none; border: none; color: var(--primary-deep); font-size: 12.5px; font-weight: 600; padding: 4px 0;
}
.link-btn.danger { color: var(--altered); }
.add-topic-btn, .add-item-btn {
  border: 1px dashed var(--line);
  background: none;
  border-radius: var(--radius);
  padding: 8px 12px;
  color: var(--ink-soft);
  font-size: 13px;
  width: 100%;
  text-align: left;
  margin-top: 6px;
}
.add-topic-btn:hover, .add-item-btn:hover { border-color: var(--primary); color: var(--primary-deep); }

/* ---------- print ---------- */
@media print {
  .topbar, .exam-actions, .panel:not(.preview), .rail, .exam-nav, .preview-bar { display: none !important; }
  body { background: #fff; }
  main { padding: 0; max-width: none; }
  .exam-grid { display: block; }
  .preview { box-shadow: none; border: none; padding: 0; }
}

.toast {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 13.5px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  z-index: 50;
}