/* OlmiJoya · by OlmiCore. Grafito + oro; mobile-first con menú lateral en el ordenador. */
:root {
  --primary: #24262b;
  --primary-ink: #ffffff;
  --accent: #b8892d;
  --accent-soft: #f6eedc;
  --bg: #f6f5f2;
  --surface: #ffffff;
  --surface-2: #efede8;
  --border: #e0ddd5;
  --text: #17181b;
  --text-2: #4c4f57;
  --muted: #7d8089;
  --good: #1f8a3b;
  --warn: #a8701a;
  --bad: #c43d3d;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #e9e6df;
    --primary-ink: #141518;
    --accent: #d9ab4f;
    --accent-soft: #3a3121;
    --bg: #121315;
    --surface: #1b1c1f;
    --surface-2: #25262a;
    --border: #33353a;
    --text: #f2f1ee;
    --text-2: #c7c5bf;
    --muted: #8f8d87;
    --good: #4cc36c;
    --warn: #e0a83c;
    --bad: #ef6b6b;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; color: inherit; }
a { color: var(--accent); }

/* ------------------------------------------------ estructura */
.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(10px + env(safe-area-inset-top)) 16px 10px;
  background: var(--primary); color: var(--primary-ink);
}
.topbar .brand { font-weight: 700; font-size: 18px; letter-spacing: -0.01em; }
.topbar .brand small { font-weight: 400; opacity: 0.75; font-size: 12px; margin-left: 6px; }
.topbar button { background: transparent; border: 0; color: inherit; font-size: 14px; cursor: pointer; opacity: 0.9; }

main { max-width: 760px; margin: 0 auto; padding: 16px 16px calc(96px + env(safe-area-inset-bottom)); }
h1 { font-size: 22px; margin: 4px 0 14px; letter-spacing: -0.01em; }
h2 { font-size: 16px; margin: 0 0 6px; }
.sub { color: var(--muted); font-size: 14px; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow); margin-bottom: 12px;
}
.card.gold { border-left: 4px solid var(--accent); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 420px) { .grid2 { grid-template-columns: 1fr; } }
.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.kpis .card { margin: 0; }
.kpi .lbl { color: var(--text-2); font-size: 13px; }
.kpi .val { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.kpi .val small { font-size: 14px; font-weight: 500; color: var(--muted); }

.list { list-style: none; margin: 0; padding: 0; }
.list li { display: flex; gap: 10px; align-items: flex-start; padding: 10px 0; border-top: 1px solid var(--border); }
.list li:first-child { border-top: 0; }

.pill { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 99px; background: var(--surface-2); color: var(--text-2); white-space: nowrap; }
.pill.good { color: var(--good); } .pill.warn { color: var(--warn); } .pill.bad { color: var(--bad); }
.pill.gold { background: var(--accent-soft); color: var(--accent); }

/* ------------------------------------------------ formularios */
label { display: block; font-size: 14px; color: var(--text-2); margin: 12px 0 6px; }
input[type="email"], input[type="password"], input[type="text"], input[type="number"], input[type="search"], select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface); color: var(--text);
}
label.check { display: flex; align-items: center; gap: 8px; color: var(--text); }
label.check input { width: 18px; height: 18px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 18px; border-radius: 10px; border: 1px solid transparent; cursor: pointer;
  background: var(--primary); color: var(--primary-ink); font-weight: 600;
}
.btn.gold { background: var(--accent); color: #fff; }
.btn.block { width: 100%; }
.btn.ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn.small { padding: 7px 12px; font-size: 14px; }
.btn:disabled { opacity: 0.6; cursor: default; }
button.link { background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; font-size: 14px; }
.error { color: var(--bad); font-size: 14px; margin-top: 10px; min-height: 1em; }
.ok-msg { color: var(--good); font-size: 14px; margin-top: 10px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.row { display: flex; gap: 8px; align-items: flex-end; }
.row > * { flex: 1; }
.row > .btn { flex: none; }

.login { max-width: 380px; margin: 12vh auto 0; padding: 0 16px; }
.login .logo { font-size: 32px; font-weight: 800; color: var(--text); letter-spacing: -0.02em; }
.login .logo span, .side-brand span, .brand span { color: var(--accent); }

/* ------------------------------------------------ barra inferior (móvil) */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 5;
  display: grid; grid-template-columns: repeat(5, 1fr);
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
}
.tabbar a { display: flex; flex-direction: column; align-items: center; gap: 2px; text-decoration: none; color: var(--muted); font-size: 11px; padding: 4px 0; }
.tabbar a .ico { font-size: 20px; line-height: 1; }
.tabbar a.active { color: var(--accent); font-weight: 600; }
.menu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.menu-grid a { text-decoration: none; color: var(--text); }
.menu-grid .card { margin: 0; }

/* ------------------------------------------------ oro y catálogo */
.metal-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.metal-head .val { font-size: 30px; font-weight: 700; font-variant-numeric: tabular-nums; }
.sug { font-size: 14px; color: var(--text-2); margin-top: 6px; }
.tabla { width: 100%; border-collapse: collapse; font-size: 14px; }
.tabla th { text-align: left; font-size: 12px; font-weight: 600; color: var(--muted); padding: 8px; border-bottom: 2px solid var(--border); white-space: nowrap; }
.tabla td { padding: 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.tabla .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tabla input, .tabla select { padding: 6px 8px; font-size: 14px; }
.tabla input[type="number"] { width: 90px; }
.table-scroll { overflow-x: auto; }
.thumb { width: 40px; height: 40px; object-fit: cover; border-radius: 8px; background: var(--surface-2); display: block; }
.prod-name { font-weight: 600; }
.prod-meta { font-size: 12px; color: var(--muted); }
.aviso { font-size: 12px; color: var(--warn); }
.subida { color: var(--bad); } .bajada { color: var(--good); }
.filtros { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0 12px; }
.filtros button { border: 1px solid var(--border); background: var(--surface); border-radius: 99px; padding: 6px 12px; font-size: 13px; cursor: pointer; }
.filtros button.on { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
.pager { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; font-size: 14px; }

/* ================================================ escritorio (el mostrador suele tener PC) */
.sidebar { display: none; }
@media (min-width: 1024px) {
  body { font-size: 17px; }
  .layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); min-height: 100vh; }
  .topbar, .tabbar { display: none; }
  .sidebar {
    display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
    background: var(--surface); border-right: 1px solid var(--border); padding: 24px 16px;
  }
  .side-brand { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; padding: 0 12px 20px; }
  .side-brand small { display: block; font-size: 12px; font-weight: 400; color: var(--muted); letter-spacing: 0; }
  .side-nav { display: flex; flex-direction: column; gap: 2px; }
  .side-nav a { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px; text-decoration: none; color: var(--text-2); font-size: 16px; }
  .side-nav a:hover { background: var(--surface-2); color: var(--text); }
  .side-nav a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
  .side-nav a .ico { width: 24px; text-align: center; font-size: 18px; }
  .side-foot { margin-top: auto; padding: 12px; border-top: 1px solid var(--border); }
  .side-foot .sub { font-size: 13px; word-break: break-all; margin-bottom: 4px; }
  main { max-width: none; width: 100%; padding: 32px 48px 56px; margin: 0; }
  h1 { font-size: 30px; margin: 0 0 20px; }
  .card { padding: 22px 24px; border-radius: 16px; }
  .kpis { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 16px; }
  .kpi .val { font-size: 34px; }
  .metal-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .metal-grid .card { margin: 0; }
  .menu-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
}