/* Inventario de filamentos — estilos móviles primero, tema claro/oscuro automático. */
:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1c1f24;
  --muted: #6b7280;
  --border: #e3e5e9;
  --accent: #0f9d58;
  --accent-text: #ffffff;
  --warn: #c77700;
  --warn-bg: #fff4e0;
  --danger: #c62828;
  --danger-bg: #fdecec;
  --info-bg: #e8f1fd;
  --bar-bg: #e9ebef;
  --shadow: 0 1px 2px rgb(0 0 0 / 6%), 0 1px 6px rgb(0 0 0 / 4%);
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --card: #1b1e24;
    --text: #e8eaed;
    --muted: #9aa0a6;
    --border: #2c3038;
    --accent: #34c47c;
    --accent-text: #0b1a12;
    --warn: #f0a640;
    --warn-bg: #3a2a10;
    --danger: #ef6b6b;
    --danger-bg: #3a1616;
    --info-bg: #16263a;
    --bar-bg: #2c3038;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: calc(68px + env(safe-area-inset-bottom));
}
[x-cloak] { display: none !important; }
h1, h2, h3 { margin: 0 0 .5rem; line-height: 1.2; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; }
a { color: var(--accent); }
small, .muted { color: var(--muted); }

/* Cabecera */
header.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: .5rem;
  padding: .7rem 1rem; background: var(--card); border-bottom: 1px solid var(--border);
}
header.top h1 { font-size: 1.05rem; margin: 0; flex: 1; }
main { max-width: 960px; margin: 0 auto; padding: 1rem; }

/* Navegación inferior (móvil) / superior (escritorio) */
nav.tabs {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 10;
  display: flex; background: var(--card); border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
}
nav.tabs a {
  flex: 1; text-align: center; padding: .5rem 0 .55rem; text-decoration: none;
  color: var(--muted); font-size: .72rem; display: flex; flex-direction: column; align-items: center; gap: 2px;
}
nav.tabs a .ico { font-size: 1.25rem; line-height: 1; }
nav.tabs a.on { color: var(--accent); font-weight: 600; }

/* Tarjetas y rejillas */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: .9rem; box-shadow: var(--shadow); margin-bottom: .75rem;
}
.grid { display: grid; gap: .75rem; }
.grid.stats { grid-template-columns: repeat(3, 1fr); }
.grid.cards { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid.cards { grid-template-columns: 1fr 1fr; } }
.stat { text-align: center; padding: .7rem .4rem; }
.stat b { display: block; font-size: 1.35rem; }
.stat small { font-size: .75rem; }
.row { display: flex; align-items: center; gap: .6rem; }
.row.wrap { flex-wrap: wrap; }
.spacer { flex: 1; }
.section-title { display: flex; align-items: center; justify-content: space-between; margin: 1.2rem 0 .6rem; }
.section-title h2 { margin: 0; }

/* Muestra de color */
.swatch {
  width: 28px; height: 28px; border-radius: 50%; flex: none;
  border: 2px solid var(--border); background: repeating-linear-gradient(45deg, #ccc 0 4px, #eee 4px 8px);
}
.swatch.sm { width: 16px; height: 16px; border-width: 1px; }

/* Barra de peso */
.bar { height: 8px; border-radius: 99px; background: var(--bar-bg); overflow: hidden; margin: .45rem 0 .2rem; }
.bar > span { display: block; height: 100%; background: var(--accent); border-radius: 99px; transition: width .3s; }
.bar.bar-low > span { background: var(--warn); }
.bar.bar-empty > span { background: var(--danger); }

/* Etiquetas */
.badge {
  display: inline-block; font-size: .72rem; padding: .1rem .5rem; border-radius: 99px;
  background: var(--bar-bg); color: var(--text); white-space: nowrap;
}
.badge.ok { background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--accent); }
.badge.warn { background: var(--warn-bg); color: var(--warn); }
.badge.danger { background: var(--danger-bg); color: var(--danger); }

/* Avisos */
.alert { border-radius: var(--radius); padding: .7rem .9rem; margin-bottom: .75rem; font-size: .92rem; }
.alert.warn { background: var(--warn-bg); color: var(--warn); }
.alert.danger { background: var(--danger-bg); color: var(--danger); }
.alert.info { background: var(--info-bg); }

/* Formularios */
label { display: block; font-size: .82rem; color: var(--muted); margin-bottom: .6rem; }
input, select, textarea, button { font: inherit; }
input, select, textarea {
  display: block; width: 100%; margin-top: .25rem; padding: .6rem .7rem;
  border: 1px solid var(--border); border-radius: 9px; background: var(--bg); color: var(--text);
}
input[type="color"] { padding: .15rem; height: 42px; }
input[type="checkbox"], input[type="radio"] { display: inline; width: auto; margin: 0 .4rem 0 0; flex: none; }
textarea { min-height: 70px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 .7rem; }
.form-grid .full { grid-column: 1 / -1; }

button, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .35rem;
  padding: .55rem .9rem; border-radius: 9px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); cursor: pointer; text-decoration: none; font-size: .9rem;
}
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
button.sm, .btn.sm { padding: .3rem .6rem; font-size: .8rem; }
button:disabled { opacity: .55; cursor: default; }
.actions { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .6rem; }

/* Filtros */
.filters { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-bottom: .75rem; }
.filters .full { grid-column: 1 / -1; }
.filters input, .filters select { margin: 0; }

/* Listas */
.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: .55rem 0; border-bottom: 1px solid var(--border); }
.list li:last-child { border-bottom: 0; }
.usage { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem .5rem; font-size: .9rem; padding: .35rem 0; }
.usage .desc { flex: 1 1 9rem; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.clickable { cursor: pointer; }
table { width: 100%; border-collapse: collapse; font-size: .85rem; }
th, td { text-align: left; padding: .4rem .3rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.table-wrap { overflow-x: auto; }

/* Modal (hoja inferior en móvil) */
.modal-bg {
  position: fixed; inset: 0; z-index: 50; background: rgb(0 0 0 / 45%);
  display: flex; align-items: flex-end; justify-content: center;
}
.modal {
  background: var(--card); width: 100%; max-width: 560px; max-height: 92vh; overflow-y: auto;
  border-radius: 16px 16px 0 0; padding: 1rem 1rem calc(1rem + env(safe-area-inset-bottom));
}
@media (min-width: 640px) {
  .modal-bg { align-items: center; }
  .modal { border-radius: 16px; }
}
.modal header { display: flex; align-items: center; gap: .6rem; margin-bottom: .8rem; }
.modal header h2 { flex: 1; margin: 0; }

/* Toast */
.toast {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(80px + env(safe-area-inset-bottom));
  z-index: 60; background: var(--text); color: var(--bg); padding: .6rem 1rem; border-radius: 10px;
  max-width: calc(100% - 2rem); font-size: .9rem; box-shadow: 0 4px 16px rgb(0 0 0 / 25%);
}
.toast.error { background: var(--danger); color: #fff; }

.slot-num {
  width: 34px; height: 34px; border-radius: 9px; flex: none; display: grid; place-items: center;
  background: var(--bar-bg); font-weight: 700; font-size: .85rem;
}
.empty { text-align: center; color: var(--muted); padding: 1.5rem .5rem; }
pre.raw { white-space: pre-wrap; word-break: break-all; font-size: .75rem; max-height: 60vh; overflow: auto; background: var(--bg); padding: .6rem; border-radius: 8px; }

/* Selector de vista (Lista / Por color) */
.segmented { display: inline-flex; background: var(--bar-bg); border-radius: 10px; padding: 3px; margin-bottom: .75rem; }
.segmented button { border: 0; background: transparent; padding: .4rem .9rem; border-radius: 8px; color: var(--muted); }
.segmented button.on { background: var(--card); color: var(--text); font-weight: 600; box-shadow: var(--shadow); }

/* Gráfico de barras verticales (gramos por semana) */
.chart-bars { display: flex; align-items: flex-end; gap: 2px; height: 140px; border-bottom: 1px solid var(--border); }
.chart-bars button {
  flex: 1; height: 100%; padding: 0; border: 0; border-radius: 0; background: transparent;
  display: flex; align-items: flex-end; cursor: pointer;
}
.chart-bars button span { display: block; width: 100%; background: var(--accent); border-radius: 4px 4px 0 0; opacity: .55; transition: opacity .15s; }
.chart-bars button.on span, .chart-bars button:hover span { opacity: 1; }
.chart-x { display: flex; gap: 2px; margin-top: .25rem; }
.chart-x small { flex: 1; font-size: .68rem; color: var(--muted); white-space: nowrap; overflow: visible; }

/* Barras horizontales (más usados) */
.hrow { display: grid; grid-template-columns: minmax(6.5rem, 38%) 1fr auto; align-items: center; gap: .5rem; margin-top: .45rem; font-size: .88rem; }
.hlabel { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hbar { display: block; height: 8px; background: var(--bar-bg); border-radius: 99px; overflow: hidden; }
.hbar > span { display: block; height: 100%; background: var(--accent); border-radius: 99px; }
.hval { font-variant-numeric: tabular-nums; color: var(--muted); }