/* barra de autor · estilos base (mobile-first, dark). Paleta de la spec §38. */

:root {
  --bg: #121212;
  --surface: #1E1E1E;
  --surface-2: #262626;
  --border: #333333;
  --text: #EDEDED;
  --muted: #A3A3A3;
  --accent: #D97706;
  --accent-strong: #B45309;
  --accent-text: #F59E0B;
  --ok: #4ADE80;
  --warn: #FBBF24;
  --miss: #F87171;
  --sub: #60A5FA;
  --radius: 10px;
  --gap: 12px;
  --tap: 44px;
  --nav-h: 56px;
  /* Zona del indicador de inicio: se deja libre, pero sin la franja completa bajo los íconos. */
  --nav-pad: max(6px, calc(env(safe-area-inset-bottom) - 14px));
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(var(--nav-h) + var(--nav-pad));
}

a { color: var(--accent-text); }

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

:focus-visible { outline: 2px solid var(--accent-text); outline-offset: 2px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--accent); color: #000; padding: 8px 12px; border-radius: var(--radius); z-index: 100; }
.skip-link:focus { left: 8px; }

/* ── Estructura ── */
.app-header {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 8px;
  padding: calc(6px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) 10px calc(16px + env(safe-area-inset-left));
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.app-header h1 { font-size: 1.05rem; font-weight: 600; margin: 0; letter-spacing: 0.01em; flex: 1; }
.app-header .brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }

main { max-width: 760px; margin: 0 auto; padding: 16px; }

.banner { background: var(--surface-2); border-left: 3px solid var(--warn); padding: 10px 12px; border-radius: 6px; margin-bottom: var(--gap); font-size: 0.9rem; }

/* ── Navegación inferior ── */
.bottom-nav {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20;
  display: grid; grid-template-columns: repeat(5, 1fr);
  height: calc(var(--nav-h) + var(--nav-pad));
  padding-bottom: var(--nav-pad);
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.bottom-nav a {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  color: var(--muted); text-decoration: none; font-size: 0.75rem; min-height: var(--tap);
}
.bottom-nav a svg { width: 22px; height: 22px; }
.bottom-nav a[aria-current="page"] { color: var(--accent-text); }

/* ── Tipografía y secciones ── */
h2 { font-size: 1.25rem; margin: 8px 0 12px; }
h3 { font-size: 0.95rem; color: var(--muted); margin: 24px 0 8px; font-weight: 500; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

/* ── Tarjetas ── */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 14px;
}
.card + .card { margin-top: 8px; }

.recipe-card {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; align-items: start;
  text-decoration: none; color: inherit;
}
.recipe-card:hover { border-color: var(--accent-strong); }
.recipe-card .title { font-weight: 500; }
.recipe-card .meta { grid-column: 1 / -1; color: var(--muted); font-size: 0.85rem; }
.recipe-card .avail { grid-column: 1 / -1; font-size: 0.85rem; }

/* Miniatura de 56 px a la izquierda (ilustración sobre papel crema: parte del estilo, también en dark mode) */
.recipe-card.has-thumb { grid-template-columns: 56px 1fr auto; column-gap: 12px; }
.recipe-card.has-thumb .meta, .recipe-card.has-thumb .avail { grid-column: 2 / -1; }
.recipe-card .thumb { grid-column: 1; grid-row: 1 / span 3; width: 56px; height: 56px; border-radius: 8px; background: #F3EBDD; object-fit: cover; }
/* Ficha: ilustración cuadrada arriba del nombre */
.recipe-hero { display: block; width: 100%; max-width: 320px; height: auto; aspect-ratio: 1; border-radius: 10px; background: #F3EBDD; margin: 0 0 8px; }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; text-decoration: none; color: inherit; }
.stat .n { font-size: 1.6rem; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--accent-text); }
.stat .l { font-size: 0.8rem; color: var(--muted); }

/* ── Chips, badges y estados ── */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; min-height: 36px; padding: 4px 12px;
  border-radius: 999px; border: 1px solid var(--border); background: var(--surface);
  font-size: 0.85rem; cursor: pointer;
}
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #111; }
.badge { display: inline-block; font-size: 0.7rem; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); white-space: nowrap; }
.badge.house { border-color: var(--accent-strong); color: var(--accent-text); }

.st-ok { color: var(--ok); }
.st-sub { color: var(--sub); }
.st-miss { color: var(--miss); }
.st-low { color: var(--warn); }

/* ── Controles ── */
.search {
  width: 100%; min-height: var(--tap); padding: 10px 14px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
}
.search::placeholder { color: var(--muted); }

.segmented { display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.segmented button {
  min-height: var(--tap); min-width: var(--tap); padding: 0 12px;
  background: var(--surface); border: 0; border-right: 1px solid var(--border); cursor: pointer;
}
.segmented button:last-child { border-right: 0; }
.segmented button[aria-pressed="true"] { background: var(--accent); color: #111; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: var(--tap); padding: 0 16px; border-radius: var(--radius);
  background: var(--surface-2); border: 1px solid var(--border); cursor: pointer; text-decoration: none;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: #111; font-weight: 500; }
.btn.danger { border-color: var(--miss); color: var(--miss); }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }

.icon-btn {
  width: var(--tap); height: var(--tap); display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 0; border-radius: 50%; cursor: pointer; color: var(--muted);
}
.icon-btn svg { width: 24px; height: 24px; }
.icon-btn[aria-pressed="true"] { color: var(--accent-text); }

.stars { display: inline-flex; }
.stars button { width: 40px; height: var(--tap); background: none; border: 0; cursor: pointer; color: var(--border); font-size: 1.5rem; line-height: 1; }
.stars button.on { color: var(--accent-text); }

textarea, select {
  width: 100%; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 12px;
}
select { min-height: var(--tap); }
textarea { min-height: 96px; resize: vertical; }

.toolbar { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }
.toolbar-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

details.filters summary { cursor: pointer; color: var(--muted); min-height: var(--tap); display: flex; align-items: center; }

/* ── Ficha de receta ── */
.recipe-head { display: flex; align-items: flex-start; gap: 8px; }
.recipe-head h2 { flex: 1; margin: 4px 0; font-size: 1.5rem; }
.ing-list { list-style: none; margin: 0; padding: 0; }
.ing-list li {
  display: grid; grid-template-columns: 6.5em 1fr auto; gap: 8px; align-items: baseline;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.ing-list li:last-child { border-bottom: 0; }
.ing-list .amt { font-family: var(--mono); font-variant-numeric: tabular-nums; color: var(--accent-text); }
.ing-list .note { grid-column: 2 / -1; font-size: 0.8rem; color: var(--muted); }
.facts { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }

/* ── Inventario ── */
.inv-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.inv-row:last-child { border-bottom: 0; }
.inv-row .name { flex: 1; min-width: 0; }
.inv-row .segmented button { padding: 0 10px; font-size: 0.8rem; }
.inv-row .segmented button[data-status="low"][aria-pressed="true"] { background: var(--warn); border-color: var(--warn); }
.inv-row .segmented button[data-status="out"][aria-pressed="true"] { background: #4B4B4B; color: var(--text);  }

/* ── Importación ── */
.import-summary ul { padding-left: 1.2em; margin: 6px 0; }
.import-summary .errors li { color: var(--miss); }
.import-summary .warnings li { color: var(--warn); }

/* ── Avisos ── */
.toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(var(--nav-h) + 16px + var(--nav-pad));
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 16px; max-width: calc(100% - 32px); z-index: 30;
}
.toast:empty { display: none; }

.empty { text-align: center; color: var(--muted); padding: 32px 16px; }

/* ── Pantallas más grandes ── */
@media (min-width: 640px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
  .recipe-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .recipe-grid .card + .card { margin-top: 0; }
}
@media (min-width: 1024px) {
  .stats { grid-template-columns: repeat(5, 1fr); }
  main { max-width: 960px; }
  .recipe-grid { grid-template-columns: repeat(3, 1fr); }
}

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

/* ── Historial ── */
.hist-list { list-style: none; margin: 0; padding: 0; }
.hist-row { padding: 8px 0; border-bottom: 1px solid var(--border); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 8px; }
.hist-row:last-child { border-bottom: 0; }
.hist-row p { flex-basis: 100%; margin: 2px 0 0; color: var(--muted); }

/* ── Modo Barra (§17): una mano, controles grandes, sin navegación ── */
body.bar-mode { padding-top: env(safe-area-inset-top); padding-bottom: calc(16px + var(--nav-pad)); }
body.bar-mode .bottom-nav, body.bar-mode .app-header { display: none; }
.bar-top { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.bar-top .btn:first-child { margin-right: auto; }
.bar-title { font-size: 1.75rem; margin: 16px 0 12px; }
.bar-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.bar-step {
  width: 100%; min-height: 64px; display: grid; grid-template-columns: 7.5em 1fr; gap: 12px; align-items: center;
  text-align: left; padding: 12px 16px; font-size: 1.15rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer;
}
.bar-step .amt { font-family: var(--mono); color: var(--accent-text); }
.bar-step[aria-pressed="true"] { opacity: 0.45; }
.bar-step[aria-pressed="true"] .name { text-decoration: line-through; }
.bar-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 16px 0; }
.bar-facts div { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 12px; }
.bar-facts dt { color: var(--muted); font-size: 0.8rem; }
.bar-facts dd { margin: 2px 0 0; font-size: 1.05rem; }
.timer { text-align: center; }
.timer-display { font-family: var(--mono); font-size: 3.5rem; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--accent-text); line-height: 1.1; margin: 4px 0 12px; }
.timer-controls { justify-content: center; }
.timer-controls .btn { min-width: 64px; }

/* ── Ajustes de intensidad y dulce/seco ── */
.adj-controls { display: grid; gap: 8px; margin-bottom: 4px; }
.segmented.adj { display: grid; grid-template-columns: repeat(3, 1fr); }
.segmented.adj button { padding: 0 6px; font-size: 0.9rem; }
.ing-list li.changed .amt { color: var(--warn); }

/* ── Laboratorio ── */
.lab-form { display: grid; gap: 6px; }
.lab-label { font-size: 0.8rem; color: var(--muted); margin-top: 6px; }
.lab-ing { padding: 10px 0; border-bottom: 1px solid var(--border); display: grid; gap: 6px; }
.lab-ing:last-of-type { border-bottom: 0; }
.lab-ing-row { display: grid; grid-template-columns: 5.5em 1fr auto; gap: 6px; align-items: center; }
.lab-ing-row2 { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; }
.lab-ing-row input { min-height: var(--tap); width: 100%; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 0 8px; }
.lab-ing select { min-height: var(--tap); }
.lab-check { display: flex; align-items: center; gap: 8px; min-height: 32px; }
.lab-check input { width: 20px; height: 20px; accent-color: var(--accent); }
.banner ul { margin: 0; padding-left: 1.2em; }

/* ── Comparador ── */
.cmp-grid { display: grid; grid-template-columns: minmax(6.5em, 1.3fr) repeat(var(--cols), minmax(0, 1fr)); padding: 4px 8px; }
.cmp-cell { padding: 8px 4px; border-bottom: 1px solid var(--border); font-size: 0.85rem; overflow-wrap: anywhere; }
.cmp-head { font-weight: 500; display: flex; flex-direction: column; gap: 2px; }
.cmp-name { color: var(--muted); }
.cmp-val { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.d-more, .d-less, .d-added, .d-unit { color: var(--warn); }
.d-removed, .d-absent { color: var(--muted); }
.cmp-summary { padding-left: 1.2em; margin: 0; }
.cmp-summary li { margin-bottom: 6px; }

/* ── F3: ¿Qué tomo hoy?, precios ── */
.today .chips { margin-bottom: 8px; }
.today-list { margin: 8px 0 12px; padding-left: 1.4em; font-size: 1.1rem; }
.today-list li { margin-bottom: 6px; }
.inv-row { flex-wrap: wrap; }
.inv-price { flex-basis: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; font-size: 0.8rem; color: var(--muted); }
.inv-price input { width: 100%; min-height: 40px; margin-top: 2px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 0 8px; }
.today { margin-bottom: 12px; }

/* ── Márgenes seguros (iPhone con notch / isla, app instalada) ──
   La barra de estado es translúcida (index.html): el encabezado baja lo que mide la barra de estado
   y la barra inferior deja libre la zona del indicador de inicio. */
.bottom-nav a { padding-top: 4px; }