:root {
  --green: #1D8649;
  --green-ink: #0F4A2A;
  --gold: #E0CC00;
  --ink: #1C2B20;
  --muted: #5F6B62;
  --soft: #F4F7F1;
  --mist: #E8F0E6;
  --line: #DCE5DA;
  --danger: #A33A2B;
  --radius: 14px;
  --shadow: 0 4px 18px rgba(28, 43, 32, 0.08);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--soft);
  line-height: 1.45;
  font-size: 15px;
}
a { color: var(--green); }
button { font: inherit; cursor: pointer; }
input, select { font: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3 { margin: 0 0 .5rem; line-height: 1.2; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
[hidden] { display: none !important; }

/* top bar */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 1.25rem;
  padding: .6rem 1.25rem;
  background: #fff; border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; color: var(--green-ink); text-decoration: none; white-space: nowrap; }
.brand-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px var(--mist); }
.brand-sub { font-weight: 400; color: var(--muted); }
.nav { display: flex; gap: .25rem; }
.nav a { padding: .4rem .8rem; border-radius: 999px; text-decoration: none; color: var(--ink); }
.nav a.active { background: var(--mist); color: var(--green-ink); font-weight: 600; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: .5rem; }
.active-request { display: flex; align-items: center; gap: .5rem; font-size: .85rem; color: var(--muted); }
.active-request select { max-width: 220px; }

/* buttons & inputs */
.btn {
  border: 1px solid var(--green); background: var(--green); color: #fff;
  padding: .45rem .9rem; border-radius: 999px; font-weight: 600;
}
.btn:hover { filter: brightness(1.05); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-ghost { background: #fff; color: var(--green-ink); border-color: var(--line); }
.btn-danger { background: #fff; color: var(--danger); border-color: var(--danger); }
.btn-sm { padding: .25rem .6rem; font-size: .85rem; }
input[type="text"], input[type="number"], input[type="search"], input[type="password"], select {
  padding: .45rem .6rem; border: 1px solid var(--line); border-radius: 10px; background: #fff; width: 100%;
}
input:focus, select:focus { outline: 2px solid var(--mist); border-color: var(--green); }

/* layout */
.view { padding: 1.25rem; max-width: 1400px; margin: 0 auto; }
.catalog { display: grid; grid-template-columns: 260px 1fr; gap: 1.25rem; align-items: start; }
.filters { position: sticky; top: 64px; display: flex; flex-direction: column; gap: .75rem; background: #fff; padding: 1rem; border-radius: var(--radius); box-shadow: var(--shadow); }
.filters label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; color: var(--muted); }
.filters .check { flex-direction: row; align-items: center; gap: .5rem; color: var(--ink); }
.filters .check input { width: auto; }
.results-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: .75rem; gap: 1rem; flex-wrap: wrap; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; }
.card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  display: flex; flex-direction: column; overflow: hidden; position: relative;
}
.card-img { aspect-ratio: 1; background: #fff; display: flex; align-items: center; justify-content: center; cursor: pointer; }
.card-img img { width: 100%; height: 100%; object-fit: contain; }
.card-body { padding: .75rem; display: flex; flex-direction: column; gap: .25rem; flex: 1; }
.card-brand { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--green); font-weight: 700; }
.card-name { font-weight: 600; font-size: .92rem; cursor: pointer; }
.card-meta { font-size: .8rem; color: var(--muted); }
.price-row { display: flex; flex-direction: column; gap: 0; margin-top: auto; }
.price { font-weight: 700; font-size: 1.05rem; }
.price-wh { color: var(--green-ink); font-weight: 700; white-space: nowrap; }
.card .card-actions { margin-top: .5rem; }
.badge { position: absolute; top: .5rem; left: .5rem; font-size: .7rem; padding: .15rem .5rem; border-radius: 999px; background: var(--mist); color: var(--green-ink); font-weight: 600; }
.badge.out { background: #F7E4E0; color: var(--danger); }
.qty { display: flex; align-items: center; gap: .25rem; }
.qty input { width: 56px; text-align: center; padding: .3rem; }
.qty .btn { padding: .25rem .6rem; }
.in-request { font-size: .75rem; color: var(--green-ink); font-weight: 600; }

.pager { display: flex; justify-content: center; align-items: center; gap: .75rem; margin: 1.25rem 0; }

/* modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(28, 43, 32, 0.45); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 1rem; }
.modal { background: #fff; border-radius: var(--radius); max-width: 900px; width: 100%; max-height: 92vh; overflow: auto; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.modal-entry { max-width: 440px; padding: 2rem; text-align: center; margin: 0 auto; }
.stack { display: flex; flex-direction: column; gap: .75rem; text-align: left; margin-top: 1rem; }
.stack label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; color: var(--muted); }
.form-msg { color: var(--danger); font-size: .85rem; min-height: 1.2em; text-align: center; }
.historial-box { margin-top: 1.5rem; border-top: 1px solid var(--line); padding-top: 1rem; }
.historial-box h3 { font-size: .95rem; color: var(--green-ink); }
.historial { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .35rem; font-size: .9rem; }
.historial li span { margin-right: .5rem; }
.state.archivada { background: #ECE9E4; color: #5F5A52; }
.entry-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; margin-top: 1.25rem; }
.btn-person { padding: 1rem; font-size: 1.05rem; }
.modal-close { position: sticky; top: 0; float: right; margin: .5rem; }
.detail { display: grid; grid-template-columns: 320px 1fr; gap: 1.5rem; padding: 1.5rem; }
.detail-img img { width: 100%; object-fit: contain; border-radius: 10px; border: 1px solid var(--line); }
.thumbs { display: flex; gap: .4rem; margin-top: .5rem; flex-wrap: wrap; }
.thumbs img { width: 56px; height: 56px; object-fit: contain; border: 1px solid var(--line); border-radius: 6px; cursor: pointer; }
.chips { display: flex; flex-wrap: wrap; gap: .3rem; margin: .25rem 0 .5rem; }
.chip { font-size: .75rem; padding: .15rem .55rem; border-radius: 999px; background: var(--mist); color: var(--green-ink); }
.detail h2 { font-size: 1.3rem; }
.detail-section { margin-top: 1rem; }
.detail-section h3 { font-size: .95rem; color: var(--green-ink); }
.detail-section p { white-space: pre-line; margin: 0; }

/* requests */
.requests { display: grid; gap: 1rem; }
.request-row { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem; display: grid; grid-template-columns: 1fr auto auto auto; gap: 1rem; align-items: center; }
.request-row a { font-weight: 600; text-decoration: none; }
.state { font-size: .75rem; padding: .15rem .55rem; border-radius: 999px; background: var(--mist); color: var(--green-ink); font-weight: 600; }
.state.enviada { background: #FBF4C2; color: #6B5E00; }

.request-detail { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.25rem; }
.request-head { display: flex; flex-wrap: wrap; gap: 1rem; align-items: flex-end; margin-bottom: 1rem; }
.request-head label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; color: var(--muted); }
.request-head input[type="text"] { min-width: 280px; }
.request-head input[type="number"] { width: 90px; }
.request-actions { margin-left: auto; display: flex; gap: .5rem; flex-wrap: wrap; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .5rem .5rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
td.num, th.num { text-align: right; white-space: nowrap; }
td img { width: 44px; height: 44px; object-fit: contain; }
.totals { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin-top: 1.25rem; }
.totals-box { background: var(--soft); border-radius: 10px; padding: 1rem; }
.totals-box .big { font-size: 1.6rem; font-weight: 800; color: var(--green-ink); }

.toast { position: fixed; bottom: 1.25rem; left: 50%; transform: translateX(-50%); background: var(--ink); color: #fff; padding: .6rem 1rem; border-radius: 999px; z-index: 60; }
.empty { padding: 3rem; text-align: center; color: var(--muted); }

.solo-movil { display: none; }
.filters-head { display: flex; justify-content: space-between; align-items: center; }
.linea-modal { padding: 1.25rem; }
.linea-modal img { width: 100%; max-height: 240px; object-fit: contain; border: 1px solid var(--line); border-radius: 10px; margin-bottom: .75rem; }
.linea-modal h2 { font-size: 1.1rem; }
.linea-datos { margin: 1rem 0; }
.linea-datos td { padding: .5rem 0; }
.linea-datos .qty { justify-content: flex-end; }
.linea-acciones { display: flex; gap: .5rem; }
.linea-acciones .btn { flex: 1; }

@media (max-width: 900px) {
  .detail { grid-template-columns: 1fr; }
  .request-row { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .solo-movil { display: block; }
  .solo-escritorio { display: none !important; }
  .view { padding: .75rem; }

  /* top bar: one compact row, request selector below */
  .topbar { position: static; flex-wrap: wrap; gap: .5rem .75rem; padding: .5rem .75rem; }
  .topbar .btn, .brand { white-space: nowrap; }
  .brand-sub { display: none; }
  .nav { order: 3; width: 100%; }
  .nav a { padding: .3rem .7rem; font-size: .9rem; }
  .topbar-right { margin-left: auto; width: auto; gap: .35rem; }
  .active-request span { display: none; }
  .active-request select { max-width: 130px; font-size: .85rem; padding: .3rem .4rem; }
  .topbar-right .btn { padding: .3rem .6rem; font-size: .85rem; }

  /* catalogue: filters as a sheet, two columns */
  .catalog { grid-template-columns: 1fr; }
  .filters { display: none; position: fixed; inset: 0; z-index: 40; border-radius: 0; overflow: auto; padding: 1rem; }
  .filters.open { display: flex; }
  .results-head { gap: .5rem; }
  .results-head .muted.small:last-child { display: none; }
  .grid { grid-template-columns: 1fr 1fr; gap: .6rem; }
  .card-body { padding: .5rem; }
  .card-name { font-size: .85rem; }
  .card-brand { font-size: .68rem; }
  .price { font-size: .95rem; }
  .price-wh { font-size: .8rem; }
  .card .card-actions .btn-sm { width: 100%; }
  .qty { justify-content: space-between; }

  /* solicitud: sticky header with tabs, sections per tab */
  .request-detail { padding: 0; box-shadow: none; background: transparent; }
  .sol-sticky { position: sticky; top: 0; z-index: 15; background: #fff; margin: -.75rem -.75rem .75rem; padding: .6rem .75rem 0; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .sol-sticky-row { display: flex; justify-content: space-between; align-items: baseline; gap: .75rem; }
  .sol-sticky-nombre { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .sol-tabs { display: flex; margin-top: .5rem; }
  .sol-tabs button { flex: 1; background: none; border: 0; border-bottom: 3px solid transparent; padding: .5rem 0; color: var(--muted); font-weight: 600; }
  .sol-tabs button.active { color: var(--green-ink); border-bottom-color: var(--green); }
  .request-detail[data-tab="lineas"] [data-sec]:not([data-sec="lineas"]),
  .request-detail[data-tab="resumen"] [data-sec]:not([data-sec="resumen"]),
  .request-detail[data-tab="historial"] [data-sec]:not([data-sec="historial"]) { display: none; }
  .request-head, .totals-box, .historial-box { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem; }
  .request-head input[type="text"] { min-width: 0; width: 100%; }
  .request-head label { width: 100%; }
  .request-actions { margin-left: 0; width: 100%; }
  .request-actions .btn { flex: 1 1 45%; }
  .totals { grid-template-columns: 1fr; gap: .75rem; margin-top: .75rem; }
  .historial-box { margin-top: 0; border-top: 0; }
  .lineas-movil { list-style: none; margin: 0; padding: 0; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
  .lineas-movil li { display: flex; align-items: center; gap: .75rem; padding: .6rem .75rem; border-bottom: 1px solid var(--line); cursor: pointer; }
  .lineas-movil li:last-child { border-bottom: 0; }
  .lm-nombre { flex: 1; font-size: .9rem; line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .lm-nombre .card-brand { display: block; font-size: .65rem; }
  .lm-cant input { width: 58px; text-align: center; padding: .35rem; }
  .modal { max-height: 100vh; }
}

@media print {
  .topbar, .request-actions, .filters, .qty, .btn, .no-print { display: none !important; }
  body { background: #fff; }
  .view { padding: 0; }
  .request-detail { box-shadow: none; padding: 0; }
}