/* Herramienta de trabajo: densa, legible, verde clínico como acento; tablas primero. */
:root {
  --bg: #f6f8f7; --panel: #ffffff; --fg: #17201c; --muted: #5d6b65; --line: #dfe5e2;
  --accent: #0f6e56; --accent-fg: #ffffff; --accent-soft: #e3f1ec;
  --ok: #17794f; --ok2: #5aa77f; --warn: #b86a00; --bad: #b42318; --neutral: #8a9691; --sea: #2f6fb3; --sea2: #a9c8e8; --focus: #2b6cb0;
  --font: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 8px; color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1412; --panel: #161d1a; --fg: #e6ece9; --muted: #98a6a0; --line: #26312c;
    --accent: #3fb68f; --accent-fg: #06120d; --accent-soft: #15302a;
    --ok: #4cc38a; --ok2: #8fd9b3; --warn: #f0a63c; --bad: #ff7b6e; --neutral: #7d8a85; --sea: #5f9be0; --sea2: #2b4f75; --focus: #7ab4ff; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1412; --panel: #161d1a; --fg: #e6ece9; --muted: #98a6a0; --line: #26312c;
  --accent: #3fb68f; --accent-fg: #06120d; --accent-soft: #15302a;
  --ok: #4cc38a; --ok2: #8fd9b3; --warn: #f0a63c; --bad: #ff7b6e; --neutral: #7d8a85; --sea: #5f9be0; --sea2: #2b4f75; --focus: #7ab4ff; color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--fg); font: 14px/1.45 var(--font); }
[hidden] { display: none !important; }
.muted { color: var(--muted); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.grow { flex: 1; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

.btn { font: inherit; border: 1px solid var(--line); background: var(--panel); color: var(--fg); padding: 6px 12px; border-radius: var(--radius); cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-google { width: 100%; padding: 10px; }
input, select { font: inherit; color: var(--fg); background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 8px; min-width: 0; }
.num-sm { width: 5.5em; }
.msg { min-height: 1.2em; margin: 8px 0 0; }
.msg-bad, .bad { color: var(--bad); }
.ok { color: var(--ok); } .warn { color: var(--warn); }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px max(16px, env(safe-area-inset-left)); }
.login-card { width: min(420px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 28px; display: grid; gap: 12px; }
.login-card h1 { margin: 0; font-size: 1.6rem; font-weight: 600; }
.eyebrow { margin: 0; text-transform: uppercase; letter-spacing: .08em; font-size: .75rem; color: var(--accent); }
.stack { display: grid; gap: 8px; }
.sep { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .85rem; }
.sep::before, .sep::after { content: ""; flex: 1; border-top: 1px solid var(--line); }

/* layout */
.top { position: sticky; top: 0; z-index: 5; background: var(--panel); border-bottom: 1px solid var(--line); }
.top-in { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; padding: 8px max(16px, env(safe-area-inset-left)); max-width: 1400px; margin: 0 auto; }
.brand { display: grid; line-height: 1.2; } .brand span { font-size: .8rem; }
.tabs { display: flex; gap: 2px; flex-wrap: wrap; flex: 1; }
.tabs button { font: inherit; background: none; border: 0; padding: 8px 12px; border-radius: var(--radius); color: var(--muted); cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--accent-soft); color: var(--fg); font-weight: 600; }
.badge { display: inline-block; min-width: 1.5em; padding: 0 6px; border-radius: 999px; background: var(--accent); color: var(--accent-fg); font-size: .75rem; text-align: center; }
.user { display: flex; align-items: center; gap: 8px; font-size: .85rem; }
.wrap { max-width: 1400px; margin: 0 auto; padding: 20px max(16px, env(safe-area-inset-left)) 48px; display: grid; gap: 16px; }
.tab { display: grid; gap: 14px; min-width: 0; }
.lead { font-size: 1.35rem; font-weight: 400; margin: 0; max-width: 60ch; text-wrap: balance; }
.lead b { font-weight: 600; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; display: grid; gap: 8px; align-content: start; }
.card h3 { margin: 0; font-size: .85rem; color: var(--muted); font-weight: 500; }
.card .accion { font-size: 1.25rem; font-weight: 600; }
.card p { margin: 0; }
.card dl { margin: 4px 0 0; padding-top: 8px; border-top: 1px solid var(--line); display: grid; gap: 4px; font-size: .85rem; }
.card dl div { display: flex; justify-content: space-between; gap: 8px; }
.card dt { color: var(--muted); } .card dd { margin: 0; font-variant-numeric: tabular-nums; }
.card .btn { justify-self: start; margin-top: 4px; }
.notes { margin: 0; padding-left: 18px; color: var(--muted); font-size: .85rem; display: grid; gap: 4px; max-width: 90ch; }

.bar { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
.bar input[type=search] { flex: 1 1 16rem; }
.bar label, .chk { display: inline-flex; gap: 6px; align-items: center; }
.rule { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }

.table-box { overflow: auto; max-height: 70vh; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
.t { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.t th, .t td { padding: 6px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.t th { position: sticky; top: 0; background: var(--panel); font-size: .8rem; color: var(--muted); font-weight: 500; z-index: 1; white-space: nowrap; }
.t th[data-sort] { cursor: pointer; } .t th[aria-sort] { color: var(--fg); }
.t .r { text-align: right; white-space: nowrap; }
.t td.name { min-width: 16rem; }
.t .sub { display: block; font-size: .78rem; color: var(--muted); }
.t a { color: inherit; } .t a:hover { color: var(--accent); }
.t tr.sel td { background: var(--accent-soft); }
.c-chk { width: 2rem; }
.pill { display: inline-block; margin-left: 6px; padding: 0 6px; border-radius: 999px; border: 1px solid var(--line); font-size: .72rem; color: var(--accent); white-space: nowrap; }
.t input[type=number] { width: 6.5em; text-align: right; }

.kpis { display: flex; flex-wrap: wrap; gap: 12px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; min-width: 9rem; }
.kpi span { display: block; font-size: .78rem; color: var(--muted); } .kpi b { font-size: 1.3rem; font-variant-numeric: tabular-nums; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr)); gap: 10px; }
.form-grid label { display: grid; gap: 4px; font-size: .85rem; color: var(--muted); }
.form-grid .span2 { grid-column: span 2; } @media (max-width: 520px) { .form-grid .span2 { grid-column: auto; } }
.empty { background: var(--panel); border: 1px dashed var(--line); border-radius: 10px; padding: 24px; }
.empty p { margin: 4px 0; }
.promos { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr)); gap: 12px; }

/* precios por cadena */
.chip { font: inherit; font-size: .8rem; border: 1px solid var(--line); background: var(--bg); color: var(--fg); border-radius: 999px; padding: 1px 8px; cursor: pointer; }
.chip:hover, .chip[aria-expanded="true"] { border-color: var(--accent); color: var(--accent); }
.pop { position: absolute; z-index: 20; width: min(22rem, calc(100vw - 16px)); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 8px 24px rgb(0 0 0 / .14); padding: 10px 12px; font-size: .85rem; }
.pop-h { margin: 0 0 6px; font-weight: 600; }
.pop ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.pop li { display: flex; justify-content: space-between; gap: 12px; padding: 3px 0; border-bottom: 1px solid var(--line); }
.pop li:last-child { border-bottom: 0; }
.pop-c { display: inline-flex; gap: 6px; align-items: center; }
.pop-p { display: inline-flex; gap: 6px; align-items: center; font-variant-numeric: tabular-nums; }
.pop a { color: inherit; font-weight: 600; } .pop a:hover { color: var(--accent); }
.pop-f { margin: 6px 0 0; color: var(--muted); font-size: .8rem; }
.tag { font-size: .7rem; border: 1px solid var(--line); border-radius: 999px; padding: 0 6px; color: var(--muted); }
.tag.ok { color: var(--ok); border-color: currentColor; } .tag.bad { color: var(--bad); border-color: currentColor; }
.lead-sub { margin: 0; font-size: 1.05rem; max-width: 70ch; }
.pop-us { margin: 0 0 6px; padding: 6px 8px; border-radius: 6px; background: var(--accent-soft); }
.pop .sub { display: block; font-size: .78rem; color: var(--muted); margin-top: 2px; }
.recs { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 34rem), 1fr)); gap: 12px; }
.rec { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; display: grid; gap: 10px; align-content: start; min-width: 0; }
.rec h2 { margin: 0; font-size: 1.1rem; }
.rec p { margin: 0; }
.rec .table-box { max-height: 26rem; }
.small { font-size: .8rem; }
.t td .arrow { color: var(--muted); }
.rec .t td.name { min-width: 11rem; }
.rec .t th, .rec .t td { padding: 6px 8px; }

/* nosotros vs. la más barata: flechas y barra */
.lv { display: inline-flex; align-items: center; justify-content: center; width: 1.45em; height: 1.45em; margin-right: 5px;
  border-radius: 5px; color: #fff; font-weight: 800; font-size: .95rem; line-height: 1; vertical-align: middle; }
.lv-up2 { background: var(--bad); } .lv-up1 { background: var(--warn); } .lv-eq { background: var(--neutral); }
.lv-dn1 { background: var(--ok2); } .lv-dn2 { background: var(--ok); }
.t .sub .lv, .pop .lv { font-size: .85rem; }
.lv-legend .lv { font-size: .75rem; width: 1.5em; height: 1.5em; }
.cero { color: var(--bad); font-weight: 700; }
.lv-bar { display: flex; height: 14px; border-radius: 4px; overflow: hidden; background: var(--line); gap: 1px; }
.lv-bar button { border: 0; padding: 0; cursor: pointer; min-width: 3px; }
.lv-bar button:hover { filter: brightness(1.1); outline: 2px solid var(--fg); outline-offset: -2px; }
.bg-up2 { background: var(--bad); } .bg-up1 { background: var(--warn); } .bg-eq { background: var(--neutral); }
.bg-dn1 { background: var(--ok2); } .bg-dn2 { background: var(--ok); }
.lv-legend { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: .78rem; color: var(--muted); }
.lv-legend span { white-space: nowrap; font-variant-numeric: tabular-nums; }
.lv-box { display: grid; gap: 6px; }
.lv-box .t-cap { font-size: .8rem; color: var(--muted); }
.nos-resumen { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; display: grid; gap: 8px; max-width: 70rem; }
.t .sub.cero, .pop .sub .cero, .cero { color: var(--bad); font-weight: 700; }
.ocultos { display: inline-flex; gap: 8px; align-items: center; color: var(--warn); font-size: .85rem; }
.lv-cero { background: var(--sea); } .lv-nom { background: var(--sea2); color: var(--fg); }
.bg-cero { background: var(--sea); } .bg-nom { background: var(--sea2); }
.oc { color: var(--sea); font-weight: 600; }
.lv-legend .sep-leg { flex-basis: 100%; height: 0; }

/* resumen en dos bloques */
.bloque { display: grid; gap: 14px; padding: 18px; border-radius: 12px; border: 1px solid var(--line); background: color-mix(in srgb, var(--panel) 55%, var(--bg)); }
.bloque-2 { border-color: color-mix(in srgb, var(--sea) 45%, var(--line)); }
.bloque-h { display: grid; gap: 8px; max-width: 75rem; }
.bloque-h h2 { margin: 0; font-size: 1.25rem; }
.bloque-2 .bloque-h h2 { color: var(--sea); }
.bloque-h p { margin: 0; max-width: 75ch; }
.rec h3 { margin: 0; font-size: 1.05rem; }
.b2-cat { max-width: 48rem; }

/* acciones */
.ac { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: .78rem; font-weight: 600; white-space: nowrap; color: #fff; }
.ac-bajar { background: var(--bad); } .ac-negociar { background: var(--warn); } .ac-mantener { background: var(--ok); }
.ac-resurtir { background: var(--sea); } .ac-alta { background: var(--sea2); color: var(--fg); }
.t input[type=checkbox]:disabled { opacity: .3; cursor: not-allowed; }
/* la oportunidad */
.oportunidad { display: grid; gap: 12px; padding: 18px; border-radius: 12px; background: var(--panel); border: 1px solid var(--line); }
.op-h { display: grid; gap: 6px; }
.op-h h2 { margin: 0; font-size: 1.25rem; }
.op-total { margin: 0; font-size: 1.15rem; font-weight: 600; }
.op-h .sup { margin: 0; max-width: 90ch; } .op-h .sup input { width: 4em; padding: 2px 6px; }
.op-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); gap: 12px; }
.op { border: 1px solid var(--line); border-top-width: 4px; border-radius: 10px; padding: 12px 14px; display: grid; gap: 4px; align-content: start; background: var(--bg); }
.op h3 { margin: 0 0 4px; }
.op p { margin: 0; }
.op .op-que { color: var(--muted); font-size: .85rem; }
.op .op-big { font-size: 1.25rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.op .op-mid { font-weight: 600; font-variant-numeric: tabular-nums; }
.op .btn { justify-self: start; margin-top: 6px; }
.ac-bajar-b { border-top-color: var(--bad); } .ac-negociar-b { border-top-color: var(--warn); }
.ac-resurtir-b { border-top-color: var(--sea); } .ac-alta-b { border-top-color: var(--sea2); }
.op-btns { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.op .op-btns .btn { margin-top: 0; }
details.sup { border: 1px dashed var(--line); border-radius: 8px; padding: 8px 12px; }
details.sup summary { cursor: pointer; font-size: .85rem; color: var(--muted); }
.sup-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); gap: 8px 16px; margin: 10px 0 6px; }
.sup-grid label { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: .85rem; }
.sup-grid input { width: 5em; text-align: right; }
#op-techo { flex: 1 1 30rem; }
.sup-grid select { width: auto; max-width: 14rem; }

/* listas de proveedores */
.lista-sube input[type=file] { font: inherit; max-width: 100%; }
.lista-avisos { margin: 0; padding: 10px 12px 10px 28px; border: 1px solid var(--warn); border-radius: 8px; color: var(--warn); display: grid; gap: 4px; font-size: .9rem; }
.lista-h3 { margin: 8px 0; font-size: .95rem; }
.en-uso { color: var(--ok); font-weight: 600; }
.btn:disabled { opacity: .55; cursor: wait; }
.progreso { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.progreso::before { content: ""; width: 1em; height: 1em; border-radius: 50%; border: 2px solid var(--line); border-top-color: var(--accent); animation: giro .8s linear infinite; }
@keyframes giro { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .progreso::before { animation: none; } }
#lista-msg.ok { font-weight: 600; padding: 8px 12px; border: 1px solid var(--ok); border-radius: 8px; }
#lista-msg.msg-bad { font-weight: 600; padding: 8px 12px; border: 1px solid var(--bad); border-radius: 8px; }