/* tema: acompanha o sistema (prefers-color-scheme). O escuro é a base; o claro só troca as cores. */
:root {
  color-scheme: dark;
  --bg: #111; --panel: #161616; --panel2: #1c1c1c; --pop: #222;
  --line: #262626; --line2: #353535;
  --text: #e6e6e6; --strong: #fff; --on-text: #111; --muted: #9a9a9a; --faint: #666;
  --danger: #e08080; --accent: #ccc; --band: rgba(255,255,255,.07);
  --shadow: 0 10px 30px rgba(0,0,0,.5); --pop-shadow: none;
  --r: 6px;
  --font: Arial, Helvetica, sans-serif;
}
@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f3f3f1; --panel: #fff; --panel2: #fff; --pop: #fff;
    --line: #dededb; --line2: #c2c2be;
    --text: #1a1a1a; --strong: #000; --on-text: #fff; --muted: #5c5c5c; --faint: #8a8a8a;
    --danger: #b3261e; --accent: #333; --band: rgba(0,0,0,.06);
    --shadow: 0 10px 30px rgba(0,0,0,.16); --pop-shadow: 0 4px 14px rgba(0,0,0,.12);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 13px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
button, input, select, textarea, pre { font-family: var(--font); color: inherit; }
button, input, select, textarea { font-size: inherit; }
:focus-visible { outline: 1px solid var(--muted); outline-offset: 1px; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 20px 16px 48px; }

/* cabeçalho */
.top { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
h1 { font-size: 17px; font-weight: 700; margin: 0 auto 0 0; letter-spacing: -.2px; }
/* oculto, mas ocupando espaço: o cabeçalho não muda de altura quando o botão aparece */
#btnClear[hidden] { display: inline-block; visibility: hidden; }

/* botões */
.btn { background: transparent; border: 1px solid var(--line2); border-radius: var(--r); padding: 6px 12px; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--faint); }
.btn.primary { background: var(--text); border-color: var(--text); color: var(--on-text); font-weight: 700; }
.btn.primary:hover { background: var(--strong); }

/* entrada */
#paste { width: 100%; height: 180px; min-height: 80px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 10px 12px; font-size: 12px; line-height: 1.5; resize: vertical; outline: none; }
#paste:focus { border-color: var(--line2); }
#paste::placeholder { color: var(--faint); }

/* resumo */
.card { margin-top: 14px; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); }
.card .ch { display: flex; align-items: center; gap: 8px; padding: 7px 8px 7px 12px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.card .ch .t { font-weight: 700; font-size: 12px; }
.card .ch .m { flex: 1; min-width: 120px; color: var(--muted); font-size: 12px; }
.card .ch .m b { color: var(--text); }
.card .ch .m .bad { color: var(--danger); }
.btn:disabled { opacity: .35; cursor: default; }
#out { margin: 0; padding: 12px; min-height: 120px; max-height: 72vh; overflow: auto; font-size: 12.5px; line-height: 1.55; white-space: pre-wrap; word-break: break-word; }
#out.empty { color: var(--faint); }
#out u { text-underline-offset: 2px; }
/* opções: caixa sempre aberta, rótulo na mesma linha dos botões */
.opts { margin-top: 14px; border: 1px solid var(--line); border-radius: var(--r); padding: 8px 12px; display: flex; align-items: baseline; gap: 10px; }
.opts .ol { color: var(--muted); font-size: 12px; white-space: nowrap; }
.toolbar { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chip { border: 1px solid var(--line2); background: transparent; border-radius: var(--r); padding: 3px 9px; font-size: 12px; cursor: pointer; color: var(--muted); user-select: none; }
.chip:hover { color: var(--text); }
.chip[aria-pressed="true"] { color: var(--text); border-color: var(--text); }
details.menu { position: relative; }
details.menu > summary { list-style: none; }
details.menu > summary::-webkit-details-marker { display: none; }
.menu-pop { position: absolute; z-index: 20; top: calc(100% + 6px); left: 0; background: var(--panel2); border: 1px solid var(--line2); border-radius: var(--r); padding: 12px; width: min(540px, 86vw); box-shadow: var(--shadow); }
.menu-pop .sub { font-size: 11px; font-weight: 700; color: var(--text); text-transform: uppercase; letter-spacing: .4px; margin: 10px 0 4px; }
.menu-pop .sub:first-child { margin-top: 0; }
.menu-pop .grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(125px, 1fr)); gap: 2px 10px; }
.menu-pop label { display: flex; gap: 6px; align-items: center; font-size: 12px; padding: 2px 0; cursor: pointer; color: var(--muted); }
.menu-pop label:hover { color: var(--text); }
.menu-pop input { accent-color: var(--accent); }
.menu-pop .row { display: flex; gap: 6px; margin-top: 10px; }

/* diálogo / toast */
#toast { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%) translateY(16px); background: var(--pop); box-shadow: var(--pop-shadow); border: 1px solid var(--line2); padding: 7px 14px; border-radius: var(--r); opacity: 0; transition: all .15s; pointer-events: none; z-index: 60; font-size: 12px; }
#toast.on { opacity: 1; transform: translateX(-50%) translateY(0); }
/* gráfico do exame (mesmo estilo do toast) */
#tip { position: fixed; left: 0; top: 0; background: var(--pop); box-shadow: var(--pop-shadow); border: 1px solid var(--line2); padding: 7px 10px; border-radius: var(--r); opacity: 0; transition: opacity .15s; pointer-events: none; z-index: 60; font-size: 12px; }
#tip.on { opacity: 1; }
#tip .th { display: flex; justify-content: space-between; gap: 14px; }
#tip .th span, #tip .tn { color: var(--muted); font-size: 11.5px; }
#tip .th i { font-style: normal; }
#tip svg { display: block; margin-top: 4px; overflow: visible; }
#tip polyline { fill: none; stroke: var(--muted); stroke-width: 1.5; }
#tip circle { fill: var(--pop); stroke: var(--text); stroke-width: 1.5; }
#tip circle.on { fill: var(--text); }
#tip .band { fill: var(--band); }
#tip text { text-anchor: middle; font-size: 10.5px; fill: var(--muted); paint-order: stroke; stroke: var(--pop); stroke-width: 3px; }
#tip text.v.on { fill: var(--text); font-weight: 700; }

@media (max-width: 640px) { .wrap { padding: 14px 12px 40px; } }