/* Video Lite · Zedran Labs — tokens primero; ningún componente usa colores literales. */
/* Paleta del Comparador antes/después (slider.zedran.xyz): tema claro por defecto, oscuro azul pizarra.
   Ajustada solo donde no llegaba al contraste mínimo (ver herramientas/contraste.py). */
:root {
  --bg: #ffffff;
  --surface: #f6f9fd;
  --surface-2: #e9f0f8;
  --line: #d3dde9;
  --line-strong: #76869b;
  --ink: #0f1b2d;
  --ink-2: #435166;
  --ink-3: #56657b;
  --accent: #1a73c9;
  --accent-ink: #ffffff;
  --accent-text: #1767b8;
  --accent-soft: #eaf4fe;
  --amber: #8a5800;
  --amber-soft: #fbefd6;
  --danger: #c0392b;
  --focus: #1a73c9;
  --radius: 10px;
  --wrap: 980px;     /* ancho del contenido, igual que el Comparador antes/después */
  --gutter: 20px;    /* margen lateral; 16px en pantallas de 520px o menos */
  --font-display: "Chakra Petch", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #1b2330;
  --surface: #232e3e;
  --surface-2: #2b384b;
  --line: #344257;
  --line-strong: #71849e;
  --ink: #e6edf6;
  --ink-2: #b4c2d4;
  --ink-3: #9aaabf;
  --accent: #2f6fe0;
  --accent-ink: #ffffff;
  --accent-text: #8fb8ff;
  --accent-soft: #1f3556;
  --amber: #f2a51a;
  --amber-soft: #33301f;
  --danger: #f08a7a;
  --focus: #8fb8ff;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1rem/1.55 var(--font-body);
}
a { color: var(--accent-text); text-underline-offset: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 10; }

/* Encabezado */
.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  max-width: var(--wrap); margin: 0 auto; padding: 24px var(--gutter) 8px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; min-width: 0; }
.brand-name { font: 700 1.25rem/1 var(--font-display); letter-spacing: .01em; }
.brand-by { color: var(--ink-3); font-size: .875rem; white-space: nowrap; }
.theme-btn {
  flex: none; width: 40px; height: 40px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--surface); color: var(--ink); border: 1px solid var(--line-strong); cursor: pointer;
}
.theme-btn .icon-sun { display: none; }
:root[data-theme="dark"] .theme-btn .icon-sun { display: block; }
:root[data-theme="dark"] .theme-btn .icon-moon { display: none; }
.theme-btn:hover { border-color: var(--accent); background: var(--surface-2); }

main { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

/* Intro */
.intro { padding: 20px 0 8px; }
h1 { font: 700 clamp(1.75rem, 4.2vw, 2.6rem)/1.1 var(--font-display); margin: 0 0 12px; letter-spacing: -.01em; }
.lede { font-size: 1.125rem; color: var(--ink-2); margin: 0; }
.lede strong { color: var(--ink); }

/* Aviso app de escritorio */
.desk-note {
  margin: 20px 0 24px; padding: 12px 16px;
  background: var(--amber-soft); border-left: 4px solid var(--amber); border-radius: 0 var(--radius) var(--radius) 0;
}
.desk-note p { margin: 0; color: var(--ink-2); }
.desk-note .desk-title { color: var(--ink); font-weight: 600; margin-bottom: 2px; }
.pending { font-family: var(--font-mono); font-size: .8rem; color: var(--amber); }
.desk-note .desk-warn { margin-top: 8px; font-size: .9rem; }

/* Herramienta: dos columnas en escritorio */
.tool {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(16px, 2vw, 40px);
  align-items: start;
}
@media (max-width: 860px) { .tool { grid-template-columns: minmax(0, 1fr); } }
.sec-title { font: 600 1.05rem/1.2 var(--font-display); margin: 0 0 12px; color: var(--ink); letter-spacing: .02em; }

.drop {
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
  padding: 28px 20px; border: 2px dashed var(--line-strong); border-radius: var(--radius);
  background: var(--surface); cursor: pointer; transition: border-color .15s, background .15s;
}
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop:focus-within { outline: 3px solid var(--focus); outline-offset: 2px; }
.drop:hover, .drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop-main { font-weight: 600; font-size: 1.05rem; }
.drop-main u { color: var(--accent-text); }
.drop-sub { color: var(--ink-3); font-size: .9rem; }

.engine { margin: 10px 0 0; font-size: .9rem; color: var(--ink-2); }
.engine.err { color: var(--danger); }

.list { list-style: none; margin: 16px 0 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.item { min-width: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.item-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.item-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.item-x {
  flex: none; width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--line-strong);
  background: transparent; color: var(--ink-2); font-size: 1.2rem; line-height: 1; cursor: pointer;
}
.item-x:hover { color: var(--danger); border-color: var(--danger); }
.item-meta { overflow-wrap: anywhere; margin: 2px 0 0; color: var(--ink-3); font-size: .875rem; font-family: var(--font-mono); }
.item-est { margin: 6px 0 0; font-size: .925rem; color: var(--ink-2); }
.item-est b { color: var(--ink); }
.q-good { color: var(--accent-text); font-weight: 600; }
.q-ok { color: var(--amber); font-weight: 600; }
.q-low { color: var(--danger); font-weight: 600; }
.item-prog { margin-top: 10px; }
.bar { height: 8px; background: var(--surface-2); border-radius: 999px; overflow: hidden; border: 1px solid var(--line); }
.bar span { display: block; height: 100%; width: 0; background: var(--accent); transition: width .3s; }
.item-stage { margin: 6px 0 0; font-size: .875rem; color: var(--ink-2); font-family: var(--font-mono); }
.item-note { margin: 8px 0 0; font-size: .9rem; color: var(--ink-2); }
.item-note.err { color: var(--danger); }
.btn-dl {
  display: inline-flex; max-width: 100%; overflow-wrap: anywhere; margin-top: 10px; padding: 8px 14px; border-radius: 8px;
  background: var(--accent); color: var(--accent-ink); font-weight: 600; text-decoration: none;
}

/* Ajustes */
.settings { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.field { border: 0; margin: 0 0 18px; padding: 0; min-width: 0; }
.field legend { font-weight: 600; margin-bottom: 8px; padding: 0; }
.help { margin: 6px 0 0; font-size: .85rem; color: var(--ink-3); }

.size-row { display: flex; align-items: center; gap: 12px; }
.size-row input[type=range] { flex: 1; accent-color: var(--accent); min-width: 0; }
.size-num { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.size-num input {
  width: 5.5em; padding: 6px 8px; border: 1px solid var(--line-strong); border-radius: 6px;
  background: var(--bg); color: var(--ink); font: 600 1rem var(--font-mono); text-align: right;
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip {
  border: 1px solid var(--line-strong); background: transparent; color: var(--ink-2);
  border-radius: 999px; padding: 4px 12px; font: inherit; font-size: .875rem; cursor: pointer;
}
.chip small { color: var(--ink-3); }
.chip:hover { background: var(--surface-2); color: var(--ink); }
.chip[aria-pressed="true"] { border-color: var(--accent); color: var(--accent-text); background: var(--accent-soft); }

.seg { display: flex; flex-wrap: wrap; gap: 0; border: 1px solid var(--line-strong); border-radius: 8px; overflow: hidden; width: fit-content; max-width: 100%; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg span { display: block; padding: 7px 14px; font-size: .925rem; color: var(--ink-2); border-right: 1px solid var(--line); }
.seg label:last-child span { border-right: 0; }
.seg input:checked + span { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.seg input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: -3px; }
.seg input:disabled + span { color: var(--ink-3); opacity: .5; text-decoration: line-through; }

.check { display: flex; gap: 10px; align-items: flex-start; font-size: .925rem; color: var(--ink-2); cursor: pointer; }
.check input { margin-top: 4px; accent-color: var(--accent); width: 18px; height: 18px; flex: none; }
.check strong { color: var(--ink); }

.estimate { border-top: 1px solid var(--line); padding-top: 14px; margin-top: 4px; }
.est-empty { margin: 0; color: var(--ink-3); }
.est-big { font: 700 2.4rem/1 var(--font-display); margin: 0; }
.est-big small { font-size: 1rem; color: var(--ink-3); font-weight: 500; }
.est-line { margin: 6px 0 0; color: var(--ink-2); font-size: .925rem; }

.actions { display: flex; gap: 10px; margin-top: 16px; }
.btn-primary {
  flex: 1; padding: 12px 18px; border: 0; border-radius: 8px; cursor: pointer;
  background: var(--accent); color: var(--accent-ink); font: 700 1.05rem var(--font-display); letter-spacing: .02em;
}
.btn-primary:disabled { background: var(--surface-2); color: var(--ink-3); cursor: not-allowed; }
.btn-ghost {
  padding: 12px 18px; border-radius: 8px; border: 1px solid var(--line-strong);
  background: transparent; color: var(--ink); font: 600 1rem var(--font-body); cursor: pointer;
}

/* Cómo funciona */
.how { margin: 48px 0 24px; }
.how h2 { font: 600 1.4rem/1.2 var(--font-display); margin: 0 0 12px; }
.how-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 32px; }
@media (max-width: 860px) { .how-grid { grid-template-columns: minmax(0, 1fr); gap: 8px; } }
.how-main p { margin: 0 0 12px; color: var(--ink-2); }
.how-facts { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; font-size: .95rem; color: var(--ink-2); }
.how-facts strong { color: var(--ink); }

.foot { max-width: var(--wrap); margin: 0 auto; padding: 18px var(--gutter) 64px; border-top: 1px solid var(--line); color: var(--ink-3); font-size: .9rem; }
.foot p { margin: 4px 0; }
.foot-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.foot-note { color: var(--ink-2); }
.foot-links { margin-top: 10px !important; font-size: .85rem; }
.donate-btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink);
  font-size: .875rem; font-weight: 600; text-decoration: none;
}
.donate-btn:hover { border-color: var(--accent); background: var(--accent-soft); }

@media (max-width: 520px) {
  :root { --gutter: 16px; }
}
@media (max-width: 480px) {
  .brand-by { display: none; }
  .seg span { padding: 7px 9px; font-size: .875rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}