/* Solicitudes de materiales — interfaz para uso en terreno: alto contraste, objetivos táctiles grandes. */
:root {
  --bg: #f3f5f8;
  --surface: #ffffff;
  --surface-2: #f7f9fb;
  --text: #16202b;
  --muted: #4e5b69;
  --border: #c9d2dc;
  --primary: #1f4e8c;
  --primary-ink: #ffffff;
  --primary-soft: #e3ecf8;
  --ok: #16693a; --ok-soft: #dff3e6;
  --warn: #8a5a00; --warn-soft: #fff1cf;
  --danger: #a4161a; --danger-soft: #fde2e1;
  --info: #0b5d7a; --info-soft: #dcf1f8;
  --neutral: #4a5563; --neutral-soft: #e8ecf0;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --tap: 32px;
  --topbar: 44px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #11161c; --surface: #19212a; --surface-2: #1f2933; --text: #eef2f6; --muted: #b3bfcc;
    --border: #3a4756; --primary: #6ea8ff; --primary-ink: #0b1521; --primary-soft: #1c2d45;
    --ok: #6fd69a; --ok-soft: #173826; --warn: #ffc857; --warn-soft: #3d2f10;
    --danger: #ff8a8a; --danger-soft: #401a1c; --info: #6fd3f5; --info-soft: #11303b;
    --neutral: #c3ccd6; --neutral-soft: #2a3440;
  }
}
* { box-sizing: border-box; }
/* Escala compacta para ver casi todo en una pantalla; el usuario puede ampliar con el zoom del navegador. */
html { -webkit-text-size-adjust: 100%; font-size: 13px; }
body { margin: 0; font-family: var(--font); font-size: 1rem; line-height: 1.45; color: var(--text); background: var(--bg); }
a { color: var(--primary); }
h1 { font-size: 1.45rem; margin: 0 0 .25rem; }
h2 { font-size: 1.15rem; margin: 0 0 .75rem; }
h3 { font-size: 1rem; margin: 1rem 0 .5rem; }
small, .muted { color: var(--muted); }
.hidden { display: none !important; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .92em; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }

/* ---------- Estructura ---------- */
.topbar { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: .5rem; padding: .5rem .75rem;
  background: var(--primary); color: var(--primary-ink); min-height: var(--topbar); }
.topbar .brand { font-weight: 700; font-size: 1.05rem; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar button { background: transparent; color: inherit; border: 1px solid rgba(255,255,255,.35); min-height: 40px; }
.topbar .menu-btn { display: none; }
.layout { display: flex; min-height: calc(100vh - var(--topbar)); }
.sidenav { width: 205px; flex: none; background: var(--surface); border-right: 1px solid var(--border); padding: .75rem .5rem; }
.sidenav a { display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: .45rem .7rem; border-radius: 7px;
  color: var(--text); text-decoration: none; font-weight: 500; min-height: var(--tap); }
.sidenav a:hover { background: var(--surface-2); }
.sidenav a.active { background: var(--primary-soft); color: var(--primary); font-weight: 700; }
.sidenav .user-box { padding: .5rem .8rem 1rem; border-bottom: 1px solid var(--border); margin-bottom: .5rem; font-size: .9rem; }
main { flex: 1; min-width: 0; padding: .8rem 1rem; max-width: 1600px; }
.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: .75rem; margin-bottom: 1rem; }
.banner { padding: .7rem 1rem; border-radius: var(--radius); margin-bottom: .75rem; border: 1px solid; font-weight: 500; }
.banner.demo { background: var(--warn-soft); border-color: var(--warn); color: var(--warn); }
.banner.offline { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }
.banner.info { background: var(--info-soft); border-color: var(--info); color: var(--info); }
.banner.ok { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.banner.warn { background: var(--warn-soft); border-color: var(--warn); color: var(--warn); }
.banner.danger { background: var(--danger-soft); border-color: var(--danger); color: var(--danger); }

@media (max-width: 900px) {
  .topbar .menu-btn { display: inline-flex; }
  .sidenav { position: fixed; top: var(--topbar); bottom: 0; left: 0; z-index: 40; transform: translateX(-100%); transition: transform .2s;
    box-shadow: 4px 0 20px rgba(0,0,0,.2); overflow-y: auto; width: 270px; }
  .sidenav.open { transform: none; }
  main { padding: .75rem; }
}

/* ---------- Tarjetas y secciones ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .75rem .9rem; margin-bottom: .75rem; box-shadow: var(--shadow); }
.card > h2:first-child { display: flex; align-items: center; justify-content: space-between; gap: .5rem; flex-wrap: wrap; }
.section-nav { display: flex; gap: .4rem; overflow-x: auto; padding-bottom: .25rem; margin-bottom: .75rem; position: sticky; top: var(--topbar); z-index: 5; background: var(--bg); padding-top: .4rem; }
.section-nav a { flex: none; padding: .45rem .8rem; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); text-decoration: none; color: var(--text); font-size: .9rem; }
.grid { display: grid; gap: .75rem 1rem; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: .6rem 1rem; }
.kv div span { display: block; font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .02em; }
.kv div strong { font-weight: 600; word-break: break-word; }
.kpis { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); margin-bottom: 1rem; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .8rem 1rem; text-decoration: none; color: var(--text); }
.kpi .n { font-size: 1.6rem; font-weight: 700; line-height: 1.1; }
.kpi .l { color: var(--muted); font-size: .9rem; }
.kpi.alert { border-color: var(--danger); background: var(--danger-soft); }
.kpi.alert .n { color: var(--danger); }

/* ---------- Formularios ---------- */
label.field { display: flex; flex-direction: column; gap: .3rem; font-weight: 600; font-size: .93rem; }
label.field .hint { font-weight: 400; color: var(--muted); font-size: .85rem; }
label.field.req > span:first-child::after { content: " *"; color: var(--danger); }
input, select, textarea, button { font: inherit; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=search], input[type=tel], select, textarea {
  width: 100%; min-height: var(--tap); padding: .3rem .5rem; border: 1px solid var(--border); border-radius: 6px;
  background: var(--surface); color: var(--text); }
textarea { min-height: 80px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px var(--primary-soft); }
.invalid input, .invalid select, .invalid textarea, input.invalid { border-color: var(--danger); background: var(--danger-soft); }
.field-error { color: var(--danger); font-weight: 600; font-size: .88rem; }
.check { display: flex; gap: .55rem; align-items: center; min-height: var(--tap); font-weight: 500; }
.check input { width: 22px; height: 22px; }
.segmented { display: flex; flex-wrap: wrap; gap: .4rem; }
.segmented label { flex: 1; min-width: 90px; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span { display: flex; align-items: center; justify-content: center; min-height: var(--tap); border: 1.5px solid var(--border);
  border-radius: 8px; font-weight: 600; cursor: pointer; background: var(--surface); padding: 0 .6rem; }
.segmented input:checked + span { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.segmented input:focus-visible + span { outline: 3px solid var(--primary); outline-offset: 2px; }
.segmented .urgente input:checked + span { background: var(--danger); border-color: var(--danger); color: #fff; }

/* ---------- Botones ---------- */
button, .btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; min-height: var(--tap); padding: .3rem .8rem;
  border-radius: 8px; border: 1.5px solid var(--border); background: var(--surface); color: var(--text); font-weight: 600; cursor: pointer;
  text-decoration: none; line-height: 1.15; }
button:hover, .btn:hover { filter: brightness(.97); }
button:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.btn-ok { background: var(--ok); color: #fff; border-color: var(--ok); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-warn { background: var(--warn-soft); color: var(--warn); border-color: var(--warn); }
.btn-link { background: none; border: none; color: var(--primary); text-decoration: underline; padding: .25rem; min-height: auto; }
.btn-sm { min-height: 26px; padding: .15rem .55rem; font-size: .9rem; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.action-bar { position: sticky; bottom: 0; z-index: 20; display: flex; flex-wrap: wrap; gap: .5rem; justify-content: flex-end;
  padding: .75rem; margin: 0 -1rem -1rem; background: var(--surface); border-top: 1px solid var(--border); box-shadow: 0 -2px 8px rgba(0,0,0,.06); }
@media (max-width: 600px) { .action-bar > * { flex: 1 1 45%; } .action-bar { margin: 0 -.75rem -.75rem; } }

/* ---------- Estados (texto + ícono + color) ---------- */
.badge { display: inline-flex; align-items: center; gap: .3rem; padding: .18rem .55rem; border-radius: 999px; font-size: .82rem; font-weight: 700;
  border: 1px solid currentColor; white-space: nowrap; }
.badge.ok { color: var(--ok); background: var(--ok-soft); }
.badge.warn { color: var(--warn); background: var(--warn-soft); }
.badge.danger { color: var(--danger); background: var(--danger-soft); }
.badge.info { color: var(--info); background: var(--info-soft); }
.badge.neutral { color: var(--neutral); background: var(--neutral-soft); }
.badge.primary { color: var(--primary); background: var(--primary-soft); }
.badges { display: flex; flex-wrap: wrap; gap: .35rem; }

/* ---------- Tablas (tarjetas en celular) ---------- */
.table-wrap { overflow-x: auto; }
table.rtable { width: 100%; border-collapse: collapse; font-size: .93rem; }
table.rtable th { text-align: left; font-size: .8rem; text-transform: uppercase; letter-spacing: .02em; color: var(--muted); background: var(--surface-2);
  padding: .35rem .45rem; border-bottom: 1.5px solid var(--border); white-space: nowrap; }
table.rtable td { padding: .3rem .45rem; border-bottom: 1px solid var(--border); vertical-align: top; }
table.rtable tr.clickable { cursor: pointer; }
table.rtable tr.clickable:hover td { background: var(--surface-2); }
table.rtable tr.muted-row td { color: var(--muted); text-decoration: line-through; }
@media (max-width: 760px) {
  table.rtable thead { display: none; }
  table.rtable, table.rtable tbody, table.rtable tr, table.rtable td { display: block; width: 100%; }
  table.rtable tr { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: .6rem; padding: .35rem .2rem; }
  table.rtable td { border: none; padding: .3rem .7rem; display: flex; gap: .75rem; justify-content: space-between; text-align: right; }
  table.rtable td::before { content: attr(data-label); font-weight: 600; color: var(--muted); text-align: left; flex: none; max-width: 45%; }
  table.rtable td.full { display: block; text-align: left; }
  table.rtable td.full::before { display: block; margin-bottom: .15rem; }
  table.rtable td:empty { display: none; }
}

/* ---------- Ítems editables ---------- */
.item-card { border: 1px solid var(--border); border-radius: var(--radius); padding: .55rem .65rem; margin-bottom: .5rem; background: var(--surface-2); }
.item-card.has-error { border-color: var(--danger); }
.item-card .item-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin-bottom: .6rem; flex-wrap: wrap; }
.item-card .item-head strong { font-size: 1.05rem; }
.item-main { display: grid; gap: .6rem .75rem; grid-template-columns: minmax(260px, 3fr) minmax(110px, 1fr) minmax(120px, 1fr) minmax(150px, 1.2fr); align-items: start; }
@media (max-width: 900px) { .item-main { grid-template-columns: 1fr 1fr; } .item-main .span-all { grid-column: 1 / -1; } }
.material-picked { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding: .5rem .7rem; border: 1.5px solid var(--ok);
  background: var(--ok-soft); border-radius: 8px; min-height: var(--tap); }
.autocomplete { position: relative; }
.autocomplete .results { position: absolute; left: 0; right: 0; top: 100%; z-index: 25; background: var(--surface); border: 1.5px solid var(--primary);
  border-radius: 8px; max-height: 320px; overflow-y: auto; box-shadow: 0 8px 24px rgba(0,0,0,.18); }
.autocomplete .results button { display: block; width: 100%; text-align: left; border: none; border-bottom: 1px solid var(--border); border-radius: 0;
  font-weight: 400; padding: .55rem .7rem; }
.autocomplete .results button:hover, .autocomplete .results button:focus { background: var(--primary-soft); }
details.more { margin-top: .6rem; }
details.more summary { cursor: pointer; font-weight: 600; color: var(--primary); min-height: 36px; display: flex; align-items: center; }

/* ---------- Modal y avisos ---------- */
.modal-backdrop { position: fixed; inset: 0; background: rgba(10, 16, 24, .55); z-index: 100; display: flex; align-items: flex-start; justify-content: center;
  padding: 4vh .75rem; overflow-y: auto; }
.modal { background: var(--surface); color: var(--text); border-radius: 12px; width: 100%; max-width: 760px; box-shadow: 0 20px 60px rgba(0,0,0,.35); }
.modal.wide { max-width: 1100px; }
.modal header { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1rem .5rem; gap: .5rem; }
.modal header h2 { margin: 0; }
.modal .body { padding: .5rem 1rem 1rem; }
.modal footer { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .5rem; padding: .75rem 1rem; border-top: 1px solid var(--border); }
.toasts { position: fixed; right: 1rem; bottom: 1rem; z-index: 200; display: flex; flex-direction: column; gap: .5rem; max-width: min(420px, calc(100vw - 2rem)); }
.toast { padding: .8rem 1rem; border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.2); font-weight: 600; border: 1.5px solid; background: var(--surface); }
.toast.ok { border-color: var(--ok); color: var(--ok); background: var(--ok-soft); }
.toast.error { border-color: var(--danger); color: var(--danger); background: var(--danger-soft); }
.toast.info { border-color: var(--info); color: var(--info); background: var(--info-soft); }
.notif-panel { position: absolute; right: .5rem; top: var(--topbar); width: min(420px, calc(100vw - 1rem)); max-height: 70vh; overflow-y: auto; z-index: 50;
  background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 12px 30px rgba(0,0,0,.25); }
.notif-panel a { display: block; padding: .7rem .9rem; border-bottom: 1px solid var(--border); color: var(--text); text-decoration: none; }
.notif-panel a.unread { background: var(--primary-soft); }
.count { display: inline-flex; min-width: 22px; height: 22px; padding: 0 6px; border-radius: 11px; align-items: center; justify-content: center;
  background: var(--danger); color: #fff; font-size: .78rem; font-weight: 700; }

/* ---------- Varios ---------- */
.summary-box { background: var(--primary-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: .8rem 1rem; }
.summary-box small { display: block; margin-top: .15rem; }
.stack { display: flex; flex-direction: column; gap: .8rem; }
.mt { margin-top: .9rem; }
.mb { margin-bottom: .9rem; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { padding: .5rem 0 .5rem 1rem; border-left: 3px solid var(--border); margin-left: .3rem; position: relative; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: .9rem; width: 11px; height: 11px; border-radius: 50%; background: var(--primary); }
.diff-old { color: var(--danger); text-decoration: line-through; }
.diff-new { color: var(--ok); font-weight: 700; }
.empty { padding: 1.5rem; text-align: center; color: var(--muted); }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.login-card { width: 100%; max-width: 420px; }
.progress { height: 10px; background: var(--neutral-soft); border-radius: 5px; overflow: hidden; min-width: 80px; }
.progress > div { height: 100%; background: var(--ok); }
.tabs { display: flex; gap: .3rem; border-bottom: 2px solid var(--border); margin-bottom: 1rem; overflow-x: auto; }
.tabs button { border: none; border-bottom: 3px solid transparent; border-radius: 0; background: none; margin-bottom: -2px; flex: none; }
.tabs button.active { border-bottom-color: var(--primary); color: var(--primary); }
.filters { display: grid; gap: .6rem .8rem; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); align-items: end; }
.sample-table { font-size: .82rem; }
.sample-table select { min-height: 36px; padding: .2rem; font-size: .82rem; min-width: 150px; }
.pagination { display: flex; gap: .5rem; align-items: center; justify-content: flex-end; margin-top: .5rem; }
.spinner { display: inline-block; width: 18px; height: 18px; border: 3px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
/* Celular/tablet: algo más grande para el dedo; 16px en campos evita el zoom automático de iOS. */
@media (max-width: 760px) {
  html { font-size: 14.5px; }
  :root { --tap: 40px; }
  input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=search], input[type=tel], select, textarea { font-size: 16px; }
}
@media print { .topbar, .sidenav, .action-bar, .section-nav, button { display: none !important; } main { padding: 0; } }