:root {
  color-scheme: dark;
  --bg: #050b14;
  --bg-2: #081423;
  --panel: #0d1b2d;
  --panel-2: #11243a;
  --line: #24425f;
  --text: #edf7ff;
  --soft: #b7cde0;
  --muted: #7894ad;
  --accent: #42e8c6;
  --accent-2: #65b7ff;
  --warning: #ffd166;
  --danger: #ff7185;
  --success: #64e89a;
  --radius: 18px;
  --shadow: 0 20px 55px rgba(0, 0, 0, .28);
}

html[data-specialty="pneumologia"] {
  --accent: #67d9ff;
  --accent-2: #9c8cff;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f9fc;
  --bg-2: #eaf2f8;
  --panel: #ffffff;
  --panel-2: #edf5fa;
  --line: #71869a;
  --text: #102a43;
  --soft: #334e68;
  --muted: #607d95;
  --accent: #007a68;
  --accent-2: #0b68b2;
  --warning: #8a5c00;
  --danger: #b4233f;
  --success: #087a55;
  --shadow: 0 18px 45px rgba(16, 42, 67, .12);
}

html[data-theme="dark"][data-visual-profile="bruxa-rustica-moderna"] {
  color-scheme: dark;
  --bg: #090d0a;
  --bg-2: #0f1611;
  --panel: #151d17;
  --panel-2: #1c271f;
  --line: #806f54;
  --text: #f4eedf;
  --soft: #d4cab8;
  --muted: #aa9e89;
  --accent: #d8a85f;
  --accent-2: #91b28b;
  --warning: #edc477;
  --danger: #f08a80;
  --success: #9aca99;
  --radius: 13px;
  --shadow: 0 22px 58px rgba(0, 0, 0, .42);
}

html[data-theme="dark"][data-visual-profile="bruxa-rustica-moderna"] body {
  background:
    linear-gradient(115deg, rgba(216, 168, 95, .028) 1px, transparent 1px),
    linear-gradient(25deg, rgba(145, 178, 139, .02) 1px, transparent 1px),
    radial-gradient(circle at 10% -10%, rgba(145, 178, 139, .12), transparent 31rem),
    radial-gradient(circle at 100% 20%, rgba(184, 154, 197, .08), transparent 28rem),
    var(--bg);
  background-size: 42px 42px, 42px 42px, auto, auto, auto;
}

html[data-theme="dark"][data-visual-profile="bruxa-rustica-moderna"] h1,
html[data-theme="dark"][data-visual-profile="bruxa-rustica-moderna"] h2,
html[data-theme="dark"][data-visual-profile="bruxa-rustica-moderna"] h3 {
  font-family: Georgia, "Times New Roman", ui-serif, serif;
  letter-spacing: -.025em;
}

html[data-theme="dark"][data-visual-profile="bruxa-rustica-moderna"] .topbar,
html[data-theme="dark"][data-visual-profile="bruxa-rustica-moderna"] .module-nav,
html[data-theme="dark"][data-visual-profile="bruxa-rustica-moderna"] .card {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--line));
}

html.a11y-contrast {
  color-scheme: dark;
  --bg: #000000;
  --bg-2: #050505;
  --panel: #090909;
  --panel-2: #111111;
  --line: #ffffff;
  --text: #ffffff;
  --soft: #f1f5f9;
  --muted: #d6dde5;
  --accent: #ffe28a;
  --accent-2: #9ee7b5;
  --warning: #ffe28a;
  --danger: #ffada8;
  --success: #9ee7b5;
  --shadow: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 10% -10%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 32rem),
    radial-gradient(circle at 100% 20%, color-mix(in srgb, var(--accent-2) 13%, transparent), transparent 28rem),
    var(--bg);
  color: var(--text);
  font: 16px/1.55 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; }
button, input, select { font: inherit; }
button, .button {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-2);
  color: var(--text);
  padding: .72rem 1rem;
  cursor: pointer;
}
button:hover, .button:hover { border-color: var(--accent); }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  background: var(--accent);
  color: #04120f;
  padding: .75rem 1rem;
  border-radius: 10px;
  font-weight: 800;
}
.skip-link:focus { top: 1rem; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem clamp(1rem, 4vw, 3rem);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; gap: .7rem; font-weight: 900; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 20%, var(--panel));
}
.top-actions { display: flex; gap: .5rem; align-items: center; }
.top-actions a { text-decoration: none; }

.hero, main, footer { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.hero { padding: clamp(3rem, 8vw, 6rem) 0 2.5rem; }
.eyebrow, .kicker {
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .11em;
  font-size: .76rem;
}
h1, h2, h3 { line-height: 1.12; }
h1 { margin: .5rem 0 1rem; font-size: clamp(2.35rem, 6vw, 5.2rem); max-width: 13ch; }
h2 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.5rem); }
h3 { font-size: 1.08rem; }
.hero p { max-width: 72ch; color: var(--soft); font-size: 1.06rem; }
.status-row, .chips, .toolbar, .module-nav, .flash-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  align-items: center;
}
.status {
  padding: .35rem .7rem;
  border: 1px solid color-mix(in srgb, var(--warning) 55%, var(--line));
  color: var(--warning);
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 800;
}
.status.safe { color: var(--success); border-color: color-mix(in srgb, var(--success) 55%, var(--line)); }

.module-nav {
  margin: 1.2rem 0 0;
  padding: .8rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}
.module-nav a {
  padding: .48rem .7rem;
  border-radius: 9px;
  text-decoration: none;
  color: var(--soft);
  font-weight: 700;
  font-size: .88rem;
}
.module-nav a:hover { background: var(--panel-2); color: var(--accent); }

section { padding: 2.8rem 0; scroll-margin-top: 5rem; }
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1.35rem;
}
.section-head p { margin: .35rem 0 0; color: var(--muted); max-width: 65ch; }

.grid { display: grid; gap: 1rem; }
.grid > * { min-width: 0; }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card {
  position: relative;
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, color-mix(in srgb, var(--panel) 92%, var(--accent) 8%), var(--panel));
  box-shadow: var(--shadow);
}
.card p, .card li { color: var(--soft); }
.card h3 { margin: .25rem 0 .7rem; }
.card ul, .card ol { margin: .55rem 0 0; padding-left: 1.2rem; }
.card strong { color: var(--text); }
.card summary { cursor: pointer; color: var(--accent); font-weight: 800; }
.card .meta { color: var(--muted); font-size: .78rem; }
.card.alert { border-left: 4px solid var(--danger); }
.card.emergency { border-top: 4px solid var(--accent); }
.card .card-tag {
  display: inline-flex;
  padding: .25rem .55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent);
  font-size: .72rem;
  font-weight: 800;
}

.quick-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.quick-card { min-height: 10rem; }
.quick-card .icon { font-size: 1.7rem; }

.toolbar {
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}
.toolbar input, .toolbar select, .calculator input, .calculator select {
  min-height: 2.8rem;
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: .6rem .8rem;
}
.toolbar input { flex: 1; min-width: 15rem; }
.chip {
  display: inline-flex;
  padding: .35rem .65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--soft);
  font-size: .76rem;
}

.pathway { counter-reset: pathway; }
.pathway-step {
  position: relative;
  margin-left: 1.2rem;
  padding: 0 0 1.2rem 1.6rem;
  border-left: 2px solid var(--line);
}
.pathway-step::before {
  counter-increment: pathway;
  content: counter(pathway);
  position: absolute;
  left: -1rem;
  top: 0;
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  background: var(--accent);
  color: #04120f;
  font-weight: 900;
}

.comparison-wrap { width: 100%; max-width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; min-width: 680px; border-collapse: collapse; background: var(--panel); }
th, td { padding: .8rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--accent); background: var(--panel-2); }
td { color: var(--soft); }

.calculator {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .8rem;
  align-items: end;
}
.field { display: grid; gap: .35rem; }
.field label { color: var(--soft); font-size: .85rem; font-weight: 700; }
.result {
  grid-column: 1 / -1;
  padding: 1rem;
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent) 12%, var(--panel-2));
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--line));
}

.quiz-card .options { display: grid; gap: .55rem; margin-top: .8rem; }
.option { text-align: left; }
.option.correct { border-color: var(--success); color: var(--success); }
.option.incorrect { border-color: var(--danger); color: var(--danger); }
.feedback { margin-top: .8rem; padding: .8rem; border-radius: 12px; background: var(--panel-2); }

.flashcard { min-height: 15rem; display: grid; align-content: center; cursor: pointer; }
.flashcard .answer { display: none; }
.flashcard.revealed .question { display: none; }
.flashcard.revealed .answer { display: block; }
.flash-progress { color: var(--muted); }

.focus-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  margin: 1rem 0;
  border: 1px dashed var(--accent);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent) 8%, var(--panel));
}
.focus-time { font: 900 1.7rem ui-monospace, SFMono-Regular, Menlo, monospace; }

.notice {
  padding: 1rem;
  border: 1px solid color-mix(in srgb, var(--warning) 45%, var(--line));
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--warning) 8%, var(--panel));
  color: var(--soft);
}
.empty { display: none; text-align: center; color: var(--muted); padding: 2rem; }
footer { padding: 2rem 0 4rem; color: var(--muted); border-top: 1px solid var(--line); }

@media (max-width: 900px) {
  .grid.three, .quick-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .calculator { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .grid.three, .grid.two, .quick-grid, .calculator { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; }
  .brand span:last-child { display: none; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .focus-box { align-items: flex-start; flex-direction: column; }
}

@media print {
  html[data-theme][data-visual-profile] {
    color-scheme: light !important;
    --bg: #ffffff;
    --bg-2: #ffffff;
    --panel: #ffffff;
    --panel-2: #f3f5f7;
    --line: #71869a;
    --text: #111111;
    --soft: #222222;
    --muted: #444444;
    --accent: #7b4a16;
    --accent-2: #2d6250;
    --warning: #6d4d00;
    --danger: #922b2b;
    --success: #2f6b46;
    --shadow: none;
  }
  .topbar, .module-nav, .toolbar, .focus-box, button { display: none !important; }
  body { background: #fff !important; color: #111 !important; }
  .card, table { box-shadow: none; break-inside: avoid; }
  section { padding: 1rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}