:root {
  --blue: #4a57c4;          /* azul */
  --blue-dark: #353f9e;
  --lilac: #a78bd0;         /* lilás */
  --lilac-soft: #efeafb;    /* lilás bem claro p/ fundos */
  --lilac-line: #d9cfee;
  --bg: #f7f6fb;
  --card: #ffffff;
  --ink: #2a2546;
  --muted: #6c6790;
  --line: #e6e2f1;
  --warn-bg: #fff4e5;
  --warn-ink: #8a5500;
  --warn-line: #ffd699;
  --danger-bg: #fdecec;
  --danger-ink: #a01818;
  --danger-line: #f5b5b5;
  --ok: #1f8a4c;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(50,40,90,.08), 0 4px 16px rgba(50,40,90,.06);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27340%27%20height%3D%27300%27%20viewBox%3D%270%200%20230%20200%27%3E%3Cdefs%3E%3Cg%20id%3D%27b%27%20fill%3D%27%239a86c8%27%20fill-opacity%3D%270.16%27%3E%3Cellipse%20cx%3D%2732%27%20cy%3D%2733%27%20rx%3D%271.3%27%20ry%3D%2713%27%2F%3E%3Ccircle%20cx%3D%2732%27%20cy%3D%2717%27%20r%3D%271.7%27%2F%3E%3Cpath%20d%3D%27M32%2023%20C%2043%207%2060%2010%2056%2025%20C%2054%2035%2040%2034%2032%2030%20Z%27%2F%3E%3Cpath%20d%3D%27M32%2023%20C%2021%207%204%2010%208%2025%20C%2010%2035%2024%2034%2032%2030%20Z%27%2F%3E%3Cpath%20d%3D%27M32%2033%20C%2041%2037%2051%2043%2045%2052%20C%2041%2058%2032%2054%2032%2041%20Z%27%2F%3E%3Cpath%20d%3D%27M32%2033%20C%2023%2037%2013%2043%2019%2052%20C%2023%2058%2032%2054%2032%2041%20Z%27%2F%3E%3Cpath%20d%3D%27M33%2016%20C%2036%2012%2039%2011%2041%2012%27%20stroke%3D%27%239a86c8%27%20stroke-width%3D%271%27%20fill%3D%27none%27%20stroke-opacity%3D%270.16%27%2F%3E%3Cpath%20d%3D%27M31%2016%20C%2028%2012%2025%2011%2023%2012%27%20stroke%3D%27%239a86c8%27%20stroke-width%3D%271%27%20fill%3D%27none%27%20stroke-opacity%3D%270.16%27%2F%3E%3C%2Fg%3E%3C%2Fdefs%3E%3Cuse%20href%3D%27%23b%27%20transform%3D%27translate%288%2092%29%20rotate%28-14%2032%2032%29%20scale%281.15%29%27%2F%3E%3Cuse%20href%3D%27%23b%27%20transform%3D%27translate%28108%2044%29%20rotate%2810%2032%2032%29%20scale%280.8%29%27%2F%3E%3Cuse%20href%3D%27%23b%27%20transform%3D%27translate%28168%206%29%20rotate%28-6%2032%2032%29%20scale%280.55%29%27%2F%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat;
  background-position: right -10px top 90px;
  background-size: 300px auto;
  background-attachment: fixed;
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(72px + env(safe-area-inset-bottom));
}

/* Header */
.app-header {
  background: linear-gradient(135deg, var(--blue), var(--lilac));
  color: #fff;
  padding: env(safe-area-inset-top) 0 0;
  position: sticky; top: 0; z-index: 20;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 14px 16px; max-width: 920px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 44px; height: 40px; display: block; flex: 0 0 auto; opacity: .95; }
.app-header h1 { font-size: 20px; margin: 0; font-weight: 700; letter-spacing: .2px; }
.tagline { margin: 0; font-size: 12.5px; opacity: .9; }
.install-btn {
  background: rgba(255,255,255,.16); color: #fff; border: 1px solid rgba(255,255,255,.4);
  padding: 8px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; cursor: pointer;
}
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  background: rgba(255,255,255,.16); color: #fff; border: 1px solid rgba(255,255,255,.4);
  width: 38px; height: 38px; border-radius: 50%; font-size: 17px; line-height: 1; cursor: pointer;
  display: flex; align-items: center; justify-content: center; flex: 0 0 auto;
}

/* Disclaimer */
.disclaimer {
  background: var(--warn-bg); color: var(--warn-ink); border-bottom: 1px solid var(--warn-line);
  font-size: 12.5px; padding: 10px 40px 10px 16px; position: relative;
  max-width: 920px; margin: 0 auto;
}
.disclaimer button {
  position: absolute; right: 8px; top: 6px; background: none; border: none;
  font-size: 20px; color: var(--warn-ink); cursor: pointer; line-height: 1; padding: 4px 8px;
}

/* Layout */
.view { max-width: 920px; margin: 0 auto; padding: 16px 16px 24px; }
.section-title { font-size: 13px; text-transform: uppercase; letter-spacing: .6px; color: var(--muted); margin: 22px 0 10px; font-weight: 700; }
.section-title:first-child { margin-top: 6px; }

/* Cards */
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px; margin-bottom: 14px;
}
.card h2 { font-size: 17px; margin: 0 0 4px; }
.card h3 { font-size: 15px; margin: 14px 0 6px; color: var(--blue-dark); }
.card p { margin: 6px 0; }
.muted { color: var(--muted); font-size: 13px; }

/* Grid list of menu cards */
.menu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .menu-grid { grid-template-columns: 1fr; } }
.menu-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px; cursor: pointer; text-align: left;
  display: flex; gap: 12px; align-items: flex-start; transition: transform .08s ease, border-color .15s;
}
.menu-card:active { transform: scale(.985); }
.menu-card .mc-ico { font-size: 24px; }
.menu-card h3 { margin: 0 0 2px; color: var(--ink); font-size: 15.5px; }
.menu-card p { margin: 0; font-size: 12.5px; color: var(--muted); }

/* Forms */
label { display: block; font-size: 13px; font-weight: 600; color: var(--ink); margin: 12px 0 5px; }
select, input[type="number"], input[type="text"] {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 16px; background: #fff; color: var(--ink); appearance: none;
}
select:focus, input:focus { outline: 2px solid var(--lilac-soft); border-color: var(--blue); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Busca de sintomas */
.search { position: relative; margin: 2px 0 6px; }
.search input[type="search"] {
  width: 100%; padding: 12px 14px 12px 42px; border: 1px solid var(--line);
  border-radius: 999px; font-size: 15px; background: #fff;
  color: var(--ink); appearance: none; -webkit-appearance: none;
}
.search input[type="search"]:focus { outline: 2px solid var(--lilac-soft); border-color: var(--blue); }
.search .ico {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  font-size: 16px; color: var(--muted); pointer-events: none;
}
.btn {
  display: inline-block; width: 100%; margin-top: 16px; padding: 13px; border: none;
  background: var(--blue); color: #fff; font-size: 16px; font-weight: 700; border-radius: 12px; cursor: pointer;
}
.btn:active { background: var(--blue-dark); }
.btn-ghost { background: var(--lilac-soft); color: var(--blue-dark); }

/* Segmento de botões (toggle) */
.toggle { display: flex; gap: 8px; margin: 14px 0 6px; }
.tg {
  flex: 1; padding: 11px 8px; border: 1px solid var(--line); background: #fff; color: var(--muted);
  border-radius: 10px; font-weight: 700; font-size: 14px; cursor: pointer;
}
.tg.on { background: var(--blue); color: #fff; border-color: var(--blue); }

/* Result box */
.result {
  margin-top: 16px; background: var(--lilac-soft); border: 1px solid var(--lilac-line);
  border-radius: 12px; padding: 14px;
}
.result .big { font-size: 26px; font-weight: 800; color: var(--blue-dark); }
.result .lbl { font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.result .sub { font-size: 13px; color: var(--ink); margin-top: 4px; }
.result-line { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-top: 1px dashed var(--lilac-line); }
.result-line:first-of-type { border-top: none; }

/* Callouts */
.callout { border-radius: 10px; padding: 10px 12px; font-size: 13px; margin: 10px 0; }
.callout.warn { background: var(--warn-bg); color: var(--warn-ink); border: 1px solid var(--warn-line); }
.callout.danger { background: var(--danger-bg); color: var(--danger-ink); border: 1px solid var(--danger-line); }
.callout.info { background: #eef4ff; color: #234; border: 1px solid #cfe0ff; }

/* Lists */
ul.clean, ol.clean { margin: 8px 0; padding-left: 20px; }
ul.clean li, ol.clean li { margin: 5px 0; }
.step { display: flex; gap: 10px; margin: 10px 0; }
.step .num {
  flex: 0 0 26px; height: 26px; border-radius: 50%; background: var(--blue); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px;
}
.step .body { flex: 1; }
.step .body strong { display: block; }

/* Table */
table.dose { width: 100%; border-collapse: collapse; font-size: 13px; margin: 10px 0; }
table.dose th, table.dose td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); }
table.dose th { color: var(--muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: .4px; }

/* Pills / tags */
.tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 999px; background: var(--lilac-soft); color: var(--blue-dark); margin-right: 6px; }
.tag.sc { background: #eaf6ee; color: var(--ok); }

/* Back link */
.back { background: none; border: none; color: var(--blue-dark); font-size: 14px; font-weight: 600; cursor: pointer; padding: 6px 0; display: inline-flex; align-items: center; gap: 6px; margin-bottom: 4px; }

/* ESAS sliders */
.esas-item { margin: 14px 0; }
.esas-item .top { display: flex; justify-content: space-between; align-items: baseline; }
.esas-item .val { font-weight: 800; font-size: 18px; color: var(--blue-dark); min-width: 28px; text-align: right; }
.esas-item input[type=range] { width: 100%; margin: 6px 0 0; accent-color: var(--blue); }
.esas-item .ends { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); }
.esas-total { font-size: 15px; font-weight: 700; }

/* Tabbar */
.tabbar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 30;
  background: rgba(255,255,255,.96); backdrop-filter: saturate(180%) blur(10px);
  border-top: 1px solid var(--line); display: flex; justify-content: space-around;
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
}
.tab {
  flex: 1; min-width: 0; background: none; border: none; cursor: pointer; color: var(--muted);
  font-size: 10px; font-weight: 600; padding: 6px 1px; display: flex; flex-direction: column;
  align-items: center; gap: 3px; white-space: nowrap;
}
.tab .ico { font-size: 19px; }
.tab.active { color: var(--blue); }

.ref { font-size: 11.5px; color: var(--muted); margin-top: 12px; border-top: 1px solid var(--line); padding-top: 10px; }

/* Figura/ilustração (ex.: escala de Bristol) */
.figura { margin: 12px 0; }
.figura svg { display: block; width: 100%; height: auto; }

/* Quiz / casos clínicos */
.quiz-meta { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.quiz-tema { display: inline-block; font-size: 11px; font-weight: 700; color: var(--blue-dark); background: var(--lilac-soft); padding: 3px 9px; border-radius: 999px; margin-bottom: 8px; }
.quiz-caso { background: var(--lilac-soft); border: 1px solid var(--lilac-line); border-radius: 10px; padding: 10px 12px; font-size: 14px; margin: 8px 0; }
.quiz-q { font-size: 16px; font-weight: 600; margin: 8px 0 4px; }
.quiz-opt { display: flex; gap: 9px; width: 100%; text-align: left; padding: 12px 14px; margin: 8px 0; border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--ink); font-size: 15px; cursor: pointer; }
.quiz-opt .mk { font-weight: 800; color: var(--muted); flex: 0 0 auto; }
.quiz-opt.correct { border-color: var(--ok); background: rgba(31,138,76,.13); }
.quiz-opt.correct .mk { color: var(--ok); }
.quiz-opt.wrong { border-color: #c0504d; background: rgba(192,80,77,.14); }
.quiz-opt.wrong .mk { color: #c0504d; }
.quiz-opt:disabled { cursor: default; }
.quiz-score { font-size: 34px; font-weight: 800; color: var(--blue-dark); margin: 6px 0; }
.callout.ok { background: rgba(31,138,76,.12); color: var(--ok); border: 1px solid rgba(31,138,76,.4); }

/* ===== Tema escuro ===== */
html.dark {
  --blue: #7b86ec;
  --blue-dark: #aab4f7;
  --lilac: #b69ee0;
  --lilac-soft: #2a2440;
  --lilac-line: #3d3559;
  --bg: #141121;
  --card: #1f1b2e;
  --ink: #ece9f6;
  --muted: #a79fc4;
  --line: #322c46;
  --warn-bg: #3a2f1a; --warn-ink: #f0d49a; --warn-line: #5a4a26;
  --danger-bg: #3a1f22; --danger-ink: #f3b5b5; --danger-line: #5e2e32;
  --shadow: 0 1px 3px rgba(0,0,0,.45), 0 6px 18px rgba(0,0,0,.35);
}
html.dark select,
html.dark input[type="number"],
html.dark input[type="text"],
html.dark .search input[type="search"] {
  background: var(--card); color: var(--ink); border-color: var(--line);
}
html.dark .callout.info { background: #1d2742; color: #cdd9f5; border-color: #2d3a5e; }
html.dark .tabbar { background: rgba(31,27,46,.95); }
html.dark .tg { background: var(--card); }
html.dark .btn:active { background: #5b67d6; }
html.dark body {
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27340%27%20height%3D%27300%27%20viewBox%3D%270%200%20230%20200%27%3E%3Cdefs%3E%3Cg%20id%3D%27b%27%20fill%3D%27%23b69ee0%27%20fill-opacity%3D%270.14%27%3E%3Cellipse%20cx%3D%2732%27%20cy%3D%2733%27%20rx%3D%271.3%27%20ry%3D%2713%27%2F%3E%3Ccircle%20cx%3D%2732%27%20cy%3D%2717%27%20r%3D%271.7%27%2F%3E%3Cpath%20d%3D%27M32%2023%20C%2043%207%2060%2010%2056%2025%20C%2054%2035%2040%2034%2032%2030%20Z%27%2F%3E%3Cpath%20d%3D%27M32%2023%20C%2021%207%204%2010%208%2025%20C%2010%2035%2024%2034%2032%2030%20Z%27%2F%3E%3Cpath%20d%3D%27M32%2033%20C%2041%2037%2051%2043%2045%2052%20C%2041%2058%2032%2054%2032%2041%20Z%27%2F%3E%3Cpath%20d%3D%27M32%2033%20C%2023%2037%2013%2043%2019%2052%20C%2023%2058%2032%2054%2032%2041%20Z%27%2F%3E%3Cpath%20d%3D%27M33%2016%20C%2036%2012%2039%2011%2041%2012%27%20stroke%3D%27%23b69ee0%27%20stroke-width%3D%271%27%20fill%3D%27none%27%20stroke-opacity%3D%270.14%27%2F%3E%3Cpath%20d%3D%27M31%2016%20C%2028%2012%2025%2011%2023%2012%27%20stroke%3D%27%23b69ee0%27%20stroke-width%3D%271%27%20fill%3D%27none%27%20stroke-opacity%3D%270.14%27%2F%3E%3C%2Fg%3E%3C%2Fdefs%3E%3Cuse%20href%3D%27%23b%27%20transform%3D%27translate%288%2092%29%20rotate%28-14%2032%2032%29%20scale%281.15%29%27%2F%3E%3Cuse%20href%3D%27%23b%27%20transform%3D%27translate%28108%2044%29%20rotate%2810%2032%2032%29%20scale%280.8%29%27%2F%3E%3Cuse%20href%3D%27%23b%27%20transform%3D%27translate%28168%206%29%20rotate%28-6%2032%2032%29%20scale%280.55%29%27%2F%3E%3C%2Fsvg%3E");
}

/* ===== Navegação lateral à esquerda (telas largas) ===== */
@media (min-width: 720px) {
  body { padding-left: 96px; padding-bottom: 28px; }
  .tabbar {
    flex-direction: column;
    top: 0; bottom: 0; right: auto;
    width: 96px;
    border-top: none; border-right: 1px solid var(--line);
    justify-content: flex-start; align-items: stretch;
    gap: 4px; padding: 16px 8px calc(16px + env(safe-area-inset-bottom));
    background: var(--card); backdrop-filter: none;
  }
  .tab { flex: 0 0 auto; padding: 12px 4px; border-radius: 12px; gap: 5px; }
  .tab .ico { font-size: 22px; }
  .tab.active { background: var(--lilac-soft); }
}
html.dark .tab.active { background: var(--lilac-soft); }

/* Crédito discreto (assinatura) */
.credit {
  max-width: 920px; margin: 0 auto; padding: 4px 18px 14px;
  display: flex; justify-content: flex-end; align-items: center; gap: 8px;
  font-size: 11px; color: var(--muted); opacity: .7;
}
.credit a { color: var(--lilac); text-decoration: none; font-weight: 600; }
.credit a:hover { text-decoration: underline; }
.credit span::after { content: "·"; margin-left: 8px; color: var(--line); }