/* ============================================================
   Acopio — Sistema de gestión de inventario
   Paleta: crema cálida + tinta sepia + acento oliva
   ============================================================ */

:root {
  /* Tema crema (por defecto) */
  --bg: #f5f1e8;
  --bg-elevated: #fbf8f1;
  --surface: #ffffff;
  --surface-2: #f9f5ec;
  --ink: #1f1a14;
  --ink-2: #3a3228;
  --ink-3: #6b6052;
  --ink-4: #7a6e5e;
  --line: #e3dccb;
  --line-strong: #c9beA9;

  --accent: #5d6b3a;       /* oliva profundo */
  --accent-soft: #e6e8d8;
  --accent-ink: #2e3a14;

  --danger: #b8462f;
  --danger-soft: #f4dccf;
  --warn: #956b22;
  --warn-soft: #f4e6c5;
  --ok: #4a7042;
  --ok-soft: #d9e6cf;

  --radius: 8px;
  --radius-lg: 14px;
  --radius-sm: 4px;

  --shadow-sm: 0 1px 0 rgba(31, 26, 20, 0.04);
  --shadow-md: 0 2px 12px rgba(31, 26, 20, 0.08), 0 1px 0 rgba(31, 26, 20, 0.04);
  --shadow-lg: 0 12px 40px rgba(31, 26, 20, 0.16);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Instrument Sans', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --row-h: 52px;
  --sidebar-w: 232px;
}

[data-theme="slate"] {
  --bg: #eef0ee;
  --bg-elevated: #f7f8f6;
  --surface: #ffffff;
  --surface-2: #f4f5f3;
  --ink: #15191a;
  --ink-2: #2a3032;
  --ink-3: #5a6164;
  --ink-4: #6b7072;
  --line: #dfe3e0;
  --line-strong: #bdc3bf;
  --accent-soft: #dfe6e0;
}

[data-theme="ink"] {
  --bg: #15140f;
  --bg-elevated: #1d1c16;
  --surface: #23211a;
  --surface-2: #1a1813;
  --ink: #f0ebdc;
  --ink-2: #d4cdb9;
  --ink-3: #968d77;
  --ink-4: #9a8f7a;
  --line: #322f24;
  --line-strong: #4a4534;
  --accent: #a8b76d;
  --accent-soft: #2e3520;
  --accent-ink: #e2eab5;
  --danger: #d76a4f;
  --danger-soft: #3a201a;
  --warn: #d6a44b;
  --warn-soft: #3a2d14;
  --ok: #8aaf6e;
  --ok-soft: #1f2a18;
  --shadow-md: 0 2px 12px rgba(0, 0, 0, 0.35), 0 1px 0 rgba(255,255,255,0.02);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
}

[data-density="compact"] { --row-h: 40px; }
[data-density="comfy"]   { --row-h: 60px; }

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; color: inherit; }

/* ===== Layout ===== */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
  background: var(--bg-elevated);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px 18px;
  border-bottom: 1px solid var(--line);
}
.brand-mark {
  width: 30px; height: 30px;
  border-radius: 7px;
  background: var(--accent);
  display: grid;
  place-items: center;
  color: var(--accent-soft);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
}
.brand-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand-sub {
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.org-pill {
  margin: 14px 14px 6px;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
}
.org-pill:hover { border-color: var(--line-strong); }
.org-avatar {
  width: 24px; height: 24px;
  border-radius: 6px;
  background: var(--ink-2);
  color: var(--bg-elevated);
  display: grid; place-items: center;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
}
.org-info { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.org-name { font-size: 13px; font-weight: 500; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.org-tier { font-size: 10px; color: var(--ink-3); letter-spacing: 0.04em; text-transform: uppercase; }
.org-caret { color: var(--ink-3); }

.nav {
  flex: 1;
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.nav-label {
  padding: 14px 8px 6px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius);
  color: var(--ink-2);
  font-size: 13.5px;
  text-decoration: none;
  border: 1px solid transparent;
  background: transparent;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  position: relative;
}
.nav-item:hover {
  background: var(--surface-2);
  color: var(--ink);
}
.nav-item.active {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
  box-shadow: var(--shadow-sm), inset 3px 0 0 var(--accent);
}
.nav-item .icon {
  width: 18px; height: 18px;
  display: grid; place-items: center;
  color: var(--ink-3);
  flex-shrink: 0;
}
.nav-item.active .icon { color: var(--accent); }
.nav-item .nav-badge {
  margin-left: auto;
  font-size: 10.5px;
  font-family: var(--font-mono);
  background: var(--surface-2);
  color: var(--ink-3);
  padding: 1px 6px;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.nav-item.active .nav-badge { background: var(--accent-soft); color: var(--accent-ink); border-color: transparent; }

.sidebar-foot {
  padding: 10px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ===== Topbar ===== */
.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
}
.crumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-3);
}
.crumbs .sep { color: var(--ink-4); }
.crumbs .now { color: var(--ink); font-weight: 500; }

.search {
  flex: 1;
  max-width: 420px;
  margin-left: auto;
  position: relative;
}
.search input {
  width: 100%;
  height: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 0 12px 0 34px;
  font-size: 13px;
  outline: none;
  color: var(--ink);
}
.search input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search .icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-3);
  pointer-events: none;
}
.search kbd {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-3);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
}

.top-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 36px; height: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  display: grid; place-items: center;
  color: var(--ink-2);
  position: relative;
}
.icon-btn:hover { border-color: var(--line-strong); }
.icon-btn .dot {
  position: absolute;
  top: 7px; right: 8px;
  width: 7px; height: 7px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--surface);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 10px 0 4px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
}
.user-chip .av {
  width: 28px; height: 28px;
  border-radius: 5px;
  background: var(--accent);
  color: var(--accent-soft);
  display: grid; place-items: center;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
}
.user-chip .nm { font-size: 13px; color: var(--ink); font-weight: 500; }

/* ===== Main ===== */
.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--bg);
}
.page {
  padding: 28px 28px 56px;
  max-width: 1480px;
  width: 100%;
}
.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}
.page-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.018em;
  margin: 0 0 4px;
  color: var(--ink);
}
.page-sub { color: var(--ink-3); font-size: 13.5px; margin: 0; }

/* ===== Buttons ===== */
.btn {
  height: 36px;
  padding: 0 14px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-2);
  white-space: nowrap;
}
.btn:hover { border-color: var(--line-strong); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-soft);
}
.btn-primary:hover { filter: brightness(1.08); border-color: var(--accent); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--line); }
.btn-danger { color: var(--danger); border-color: var(--line); background: var(--surface); }
.btn-danger:hover { background: var(--danger-soft); border-color: var(--danger); }
.btn-sm { height: 30px; padding: 0 10px; font-size: 12.5px; }

/* ===== Cards ===== */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.card-head {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}
.card-sub { font-size: 12px; color: var(--ink-3); margin: 2px 0 0; }
.card-body { padding: 18px; }

/* ===== Dashboard KPIs ===== */
.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}
.kpi {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  overflow: hidden;
}
.kpi-label {
  font-size: 11.5px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}
.kpi-value {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.kpi-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--ok);
}
.kpi-trend.down { color: var(--danger); }
.kpi-trend .ctx { color: var(--ink-3); margin-left: 4px; font-family: var(--font-sans); }
.kpi-spark {
  position: absolute;
  right: -4px;
  bottom: 0;
  opacity: 0.5;
}

/* ===== Two-column dashboard ===== */
.dash-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 18px;
}

/* ===== Chart ===== */
.chart {
  height: 240px;
  width: 100%;
  position: relative;
}
.chart-tabs {
  display: flex;
  gap: 4px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 3px;
}
.chart-tab {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 5px;
  border: 0;
  background: transparent;
  color: var(--ink-3);
}
.chart-tab.active { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm); }

/* ===== Activity ===== */
.activity { display: flex; flex-direction: column; }
.activity-row {
  display: flex;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  align-items: flex-start;
}
.activity-row:last-child { border-bottom: 0; }
.activity-icon {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--ink-2);
  flex-shrink: 0;
}
.activity-icon.in { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.activity-icon.out { background: var(--danger-soft); color: var(--danger); border-color: transparent; }
.activity-icon.adj { background: var(--accent-soft); color: var(--accent-ink); border-color: transparent; }
.activity-text { font-size: 13px; color: var(--ink-2); flex: 1; }
.activity-text strong { color: var(--ink); font-weight: 600; }
.activity-time { font-size: 11px; color: var(--ink-4); font-family: var(--font-mono); }

/* ===== Low stock list ===== */
.lowstock-row {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
}
.lowstock-row:last-child { border-bottom: 0; }
.thumb {
  width: 36px; height: 36px;
  border-radius: 6px;
  background:
    repeating-linear-gradient(135deg, var(--surface-2) 0 6px, var(--line) 6px 7px);
  border: 1px solid var(--line);
}
.lowstock-name { font-size: 13px; color: var(--ink); font-weight: 500; }
.lowstock-sku { font-size: 11px; color: var(--ink-3); font-family: var(--font-mono); }
.lowstock-bar {
  width: 80px;
  height: 6px;
  background: var(--surface-2);
  border-radius: 4px;
  position: relative;
  margin-top: 4px;
  overflow: hidden;
}
.lowstock-bar > i {
  display: block;
  height: 100%;
  background: var(--danger);
  border-radius: 4px;
}
.lowstock-qty {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink);
  text-align: right;
}
.lowstock-qty span { color: var(--ink-3); font-size: 11px; display: block; }

/* ===== Toolbar + filters ===== */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--surface);
  border-bottom: 0;
}
.tb-search {
  position: relative;
  flex: 1;
  max-width: 320px;
}
.tb-search input {
  width: 100%;
  height: 34px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface-2);
  padding: 0 10px 0 32px;
  font-size: 13px;
  outline: none;
}
.tb-search input:focus { background: var(--surface); border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.tb-search .icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--ink-3); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 10px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-2);
  font-size: 12.5px;
  cursor: pointer;
}
.chip:hover { border-color: var(--line-strong); }
.chip.active {
  background: var(--accent-soft);
  border-color: transparent;
  color: var(--accent-ink);
}
.chip .x { color: var(--ink-3); margin-left: 2px; }

.spacer { flex: 1; }

/* ===== Data table ===== */
.tbl-wrap {
  border: 1px solid var(--line);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
}
.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.tbl thead th {
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 10px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: sticky;
  top: 0;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
}
.tbl thead th .sort-ind {
  margin-left: 4px;
  opacity: 0.5;
}
.tbl thead th.sort-active .sort-ind { opacity: 1; color: var(--accent); }
.tbl tbody tr {
  border-bottom: 1px solid var(--line);
  transition: background 0.08s;
}
.tbl tbody tr:hover { background: var(--surface-2); }
.tbl tbody tr.selected { background: var(--accent-soft); }
.tbl tbody tr.selected:hover { background: var(--accent-soft); filter: brightness(0.98); }
.tbl tbody tr:last-child { border-bottom: 0; }
.tbl td {
  padding: 0 14px;
  height: var(--row-h);
  color: var(--ink);
  vertical-align: middle;
}
.tbl td.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.tbl td.mono { font-family: var(--font-mono); color: var(--ink-3); font-size: 12px; }

.cell-product {
  display: flex; align-items: center; gap: 10px;
}
.cell-product .thumb { width: 32px; height: 32px; border-radius: 6px; flex-shrink: 0; }
.cell-product .name { font-size: 13px; color: var(--ink); font-weight: 500; line-height: 1.2; }
.cell-product .cat { font-size: 11px; color: var(--ink-3); }

.checkbox {
  width: 16px; height: 16px;
  border: 1.5px solid var(--line-strong);
  border-radius: 4px;
  display: grid; place-items: center;
  background: var(--surface);
  cursor: pointer;
  flex-shrink: 0;
}
.checkbox.checked { background: var(--accent); border-color: var(--accent); color: var(--accent-soft); }
.checkbox.indet { background: var(--accent); border-color: var(--accent); color: var(--accent-soft); }

/* ===== Badges ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 500;
  border: 1px solid transparent;
}
.badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.badge.ok, .badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge.low { background: var(--warn-soft); color: var(--warn); }
.badge.out, .badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge.disc { background: var(--accent-soft); color: var(--accent-ink); }
.badge-neutral { background: var(--surface-2); color: var(--ink-3); border-color: var(--line); }

/* Stock meter */
.stock-meter {
  display: flex;
  align-items: center;
  gap: 8px;
}
.stock-meter .bar {
  width: 64px;
  height: 5px;
  border-radius: 3px;
  background: var(--surface-2);
  overflow: hidden;
}
.stock-meter .bar > i {
  display: block;
  height: 100%;
  background: var(--ok);
}
.stock-meter.low .bar > i { background: var(--warn); }
.stock-meter.out .bar > i { background: var(--danger); }

/* Footer / pagination */
.tbl-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-3);
  background: var(--surface-2);
  position: sticky;
  bottom: 0;
  z-index: 2;
}
.pager {
  display: flex; align-items: center; gap: 4px;
}
.pager button {
  min-width: 28px; height: 28px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 6px;
  font-size: 12px;
  color: var(--ink-2);
  padding: 0 8px;
  font-family: var(--font-mono);
}
.pager button.current { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.pager button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ===== Bulk action bar ===== */
.bulkbar {
  position: sticky;
  bottom: 18px;
  margin: 14px auto 0;
  background: var(--ink);
  color: var(--bg);
  padding: 8px 8px 8px 18px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-lg);
  width: fit-content;
  z-index: 5;
}
.bulkbar .count {
  font-size: 13px;
  font-weight: 500;
}
.bulkbar .count strong { font-family: var(--font-mono); }
.bulkbar .divider { width: 1px; height: 20px; background: rgba(255,255,255,0.15); }
.bulkbar .bb-btn {
  background: transparent;
  color: var(--bg);
  border: 0;
  height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.bulkbar .bb-btn:hover { background: rgba(255,255,255,0.08); }
.bulkbar .bb-btn.primary { background: var(--accent); color: var(--accent-soft); }
.bulkbar .bb-btn.primary:hover { filter: brightness(1.1); background: var(--accent); }

/* ===== Modal ===== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  /* z-index mayor que sidebar (300) y overlay (299) para mostrarse siempre encima */
  background: rgba(31, 26, 20, 0.42);
  backdrop-filter: blur(2px);
  display: grid;
  place-items: center;
  z-index: 500;
  animation: fadeIn 0.16s ease;
}
.modal {
  background: var(--bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  width: 560px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 32px);
  overflow: auto;
  overscroll-behavior: contain;
  box-shadow: var(--shadow-lg);
  animation: pop 0.18s ease;
}
.modal-head {
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--line);
}
.modal-title { font-family: var(--font-display); font-size: 18px; font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.modal-sub { font-size: 12.5px; color: var(--ink-3); margin: 4px 0 0; }
.modal-body { padding: 20px; display: flex; flex-direction: column; gap: 16px; }
.modal-foot {
  padding: 14px 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  background: var(--surface-2);
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop { from { transform: translateY(8px) scale(0.98); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .4; } }

/* ===== Form ===== */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
  letter-spacing: 0.01em;
}
.field .hint { font-size: 11.5px; color: var(--ink-3); }
.field input, .field select, .field textarea {
  height: 38px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 0 12px;
  font-size: 13px;
  outline: none;
  color: var(--ink);
}
.field textarea { height: auto; padding: 10px 12px; resize: vertical; min-height: 80px; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.inp {
  height: 38px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 0 12px;
  font-size: 13px;
  outline: none;
  color: var(--ink);
  width: 100%;
  box-sizing: border-box;
}
.inp::placeholder { color: var(--ink-4); }
.inp:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.input-prefix {
  position: relative;
}
.input-prefix > span {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-3);
  font-family: var(--font-mono);
  font-size: 13px;
  pointer-events: none;
}
.input-prefix input {
  padding-left: 28px;
  padding-right: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  height: 38px;
  font-size: 13px;
  color: var(--ink);
  outline: none;
}
.input-suffix > input {
  padding-right: 36px;
  padding-left: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  height: 38px;
  font-size: 13px;
  color: var(--ink);
  outline: none;
}
.input-prefix input:focus, .input-suffix > input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
/* Disabled inputs: override browser native GrayText to keep readable contrast in all themes */
input:disabled, select:disabled {
  color: var(--ink-3);
  -webkit-text-fill-color: var(--ink-3);
  cursor: not-allowed;
}
.input-suffix > span {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-3);
  font-family: var(--font-mono);
  font-size: 13px;
  pointer-events: none;
}

/* ===== Tabs ===== */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
  position: relative;
}
.tab {
  background: transparent;
  border: 0;
  padding: 10px 4px;
  margin-right: 22px;
  font-size: 14px;
  font-family: inherit;
  color: var(--ink-3);
  cursor: pointer;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}
.tab:hover { color: var(--ink-2); }
.tab.active { color: var(--ink); }
.tab.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
}
.tab .tab-count {
  font-family: var(--font-mono);
  font-size: 10.5px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--ink-3);
  padding: 1px 6px;
  border-radius: 10px;
}
.tab.active .tab-count { background: var(--accent-soft); color: var(--accent-ink); border-color: transparent; }

/* ===== Dropzone ===== */
.dropzone {
  border: 2px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  background: var(--surface-2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.14s, background 0.14s;
}
.dropzone:hover, .dropzone.drag {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.dropzone .dz-ic {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--accent);
}
.dropzone.drag .dz-ic { background: var(--surface); border-color: var(--accent); }
.dropzone h4 { font-family: var(--font-display); font-size: 16px; font-weight: 600; margin: 0; }
.dropzone p { margin: 0; font-size: 13px; color: var(--ink-3); }

/* File chip */
.file-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.file-chip .ic {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--ok-soft);
  color: var(--ok);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.file-chip .nm { font-size: 13.5px; font-weight: 500; color: var(--ink); }
.file-chip .sz { font-size: 11.5px; color: var(--ink-3); font-family: var(--font-mono); }
.file-chip .prog {
  height: 4px;
  background: var(--surface-2);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 6px;
}
.file-chip .prog > i { display: block; height: 100%; background: var(--accent); }

/* Validation summary */
.val-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.val-stat {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  background: var(--surface);
}
.val-stat .lbl { font-size: 11px; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.06em; }
.val-stat .val {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-top: 4px;
  letter-spacing: -0.01em;
}
.val-stat.ok .val { color: var(--ok); }
.val-stat.warn .val { color: var(--warn); }
.val-stat.err .val { color: var(--danger); }

/* Row status pill */
.row-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 20px;
  padding: 0 7px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
}
.row-status.ok { background: var(--ok-soft); color: var(--ok); }
.row-status.warn { background: var(--warn-soft); color: var(--warn); }
.row-status.err { background: var(--danger-soft); color: var(--danger); }

/* ===== Cargar descuento ===== */
.discount-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 18px;
  align-items: start;
}
.disc-types {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.disc-type-card {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  color: var(--ink);
  position: relative;
}
.disc-type-card:hover { border-color: var(--line-strong); }
.disc-type-card.active { border-color: var(--accent); background: var(--accent-soft); }
.disc-type-card .ic { color: var(--ink-3); }
.disc-type-card.active .ic { color: var(--accent); }
.disc-type-card h4 { margin: 0; font-size: 13.5px; font-weight: 600; }
.disc-type-card p { margin: 0; font-size: 11.5px; color: var(--ink-3); line-height: 1.4; }
.disc-type-card .pick {
  position: absolute;
  top: 10px; right: 10px;
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--line-strong);
}
.disc-type-card.active .pick {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 3px var(--surface);
}

.target-list {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  max-height: 280px;
  overflow-y: auto;
}
.target-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
}
.target-row:last-child { border-bottom: 0; }
.target-row .thumb { width: 28px; height: 28px; }
.target-row .name { flex: 1; font-size: 13px; }
.target-row .price { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); }

.preview-card {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--surface-2);
}
.preview-card .label { font-size: 11px; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.06em; }
.preview-card .row { display: flex; justify-content: space-between; padding: 6px 0; font-size: 13px; }
.preview-card .row.t { border-top: 1px dashed var(--line-strong); margin-top: 8px; padding-top: 12px; font-weight: 600; }
.preview-card .row .v { font-family: var(--font-mono); }
.preview-card .row .v.was { color: var(--ink-3); text-decoration: line-through; font-weight: normal; }
.preview-card .row .v.now { color: var(--accent); }

/* ===== Settings ===== */
.settings-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
}
.settings-nav { display: flex; flex-direction: column; gap: 1px; position: sticky; top: 80px; align-self: start; max-height: calc(100vh - 104px); overflow-y: auto; }
.settings-nav button {
  text-align: left;
  background: transparent;
  border: 0;
  padding: 9px 12px;
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--ink-2);
  font-family: inherit;
}
.settings-nav button:hover { background: var(--surface-2); }
.settings-nav button.active { background: var(--surface); color: var(--ink); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }

.setting-section {
  padding: 22px 22px;
  border-bottom: 1px solid var(--line);
}
.setting-section:last-child { border-bottom: 0; }
.setting-section h3 {
  font-family: var(--font-display);
  font-size: 15px;
  margin: 0 0 4px;
  font-weight: 600;
}
.setting-section p.desc { color: var(--ink-3); font-size: 12.5px; margin: 0 0 16px; }
.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.setting-row:first-of-type { border-top: 0; }
.setting-row .lbl { font-size: 13px; color: var(--ink); }
.setting-row .lbl small { display: block; color: var(--ink-3); font-size: 11.5px; margin-top: 2px; }

.toggle {
  width: 36px; height: 20px;
  border-radius: 999px;
  background: var(--line-strong);
  position: relative;
  cursor: pointer;
  transition: background 0.16s;
  flex-shrink: 0;
}
.toggle::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  background: var(--surface);
  border-radius: 50%;
  transition: left 0.16s;
  box-shadow: 0 1px 2px rgba(0,0,0,0.15);
}
.toggle.on { background: var(--accent); }
.toggle.on::after { left: 18px; }

/* ===== Misc ===== */
.empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--ink-3);
}

.kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--ink-3);
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 18px;
  padding: 0 6px;
  border-radius: 4px;
  font-size: 10.5px;
  font-family: var(--font-mono);
  background: var(--surface-2);
  color: var(--ink-3);
  border: 1px solid var(--line);
}

.divider-h { height: 1px; background: var(--line); margin: 18px 0; }

/* responsive */
@media (max-width: 1100px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .dash-grid { grid-template-columns: 1fr; }
  .discount-grid { grid-template-columns: 1fr; }
}
.no-spin::-webkit-outer-spin-button,
.no-spin::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.no-spin { -moz-appearance: textfield; }

/* ===== Botón hamburguesa (oculto en desktop) ===== */
.mob-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border: none;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  border-radius: var(--radius);
  flex-shrink: 0;
}
.mob-menu-btn:hover { background: var(--surface-2); }

/* ===== Dropdown de idiomas ===== */
.lang-menu {
  max-height: min(500px, 75vh);
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.lang-menu::-webkit-scrollbar { width: 4px; }
.lang-menu::-webkit-scrollbar-track { background: transparent; }
.lang-menu::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 4px; }

/* ===== Overlay móvil ===== */
.mob-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 299;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

/* ===== RESPONSIVE MÓVIL ≤ 768px ===== */
@media (max-width: 768px) {
  /* Layout: una sola columna */
  .app {
    grid-template-columns: 1fr;
  }

  /* Sidebar: oculto por defecto, desliza desde la izquierda */
  .sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    width: min(290px, 85vw);
    height: 100%;
    z-index: 300;
    transition: left 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: none;
  }
  .sidebar.mob-open {
    left: 0;
    box-shadow: var(--shadow-lg);
  }

  /* Hamburguesa visible en móvil */
  .mob-menu-btn { display: flex; }

  /* Topbar */
  .topbar {
    padding: 10px 14px;
    gap: 8px;
  }
  .crumbs { display: none; }
  .search {
    flex: 1;
    max-width: none;
    margin-left: 0;
  }

  /* Página */
  .page { padding: 14px; }
  .page-head {
    flex-wrap: wrap;
    gap: 8px;
    padding-bottom: 14px;
  }
  .page-head h1 { font-size: 20px; }
  .page-sub { font-size: 12px; }

  /* KPIs: 2 columnas en móvil (el !important sobreescribe el inline style repeat(3,1fr)) */
  .kpis { grid-template-columns: 1fr 1fr !important; gap: 10px; }
  .kpi { padding: 12px 14px; overflow: visible; }
  .kpi-value { font-size: 15px !important; overflow-wrap: anywhere; word-break: break-word; }
  .kpi-label { font-size: 10px; }

  /* Grids en columna */
  .dash-grid { grid-template-columns: 1fr; }
  .discount-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; gap: 10px; }

  /* Tablas: scroll horizontal */
  .tbl-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius);
  }
  .tbl { font-size: 12.5px; }
  .tbl th, .tbl td { padding: 9px 10px; }

  /* Cards */
  .card { border-radius: var(--radius); }
  .card-head { flex-wrap: wrap; gap: 8px; }
  .card-title { font-size: 14px; }

  /* Modales: bottom-sheet, sube automáticamente cuando aparece el teclado */
  .modal-backdrop {
    align-items: flex-end;
    padding: 0;
    /* iOS 15+: empuja el backdrop hacia arriba cuando el teclado aparece */
    padding-bottom: env(keyboard-inset-height, 0px);
    /* Fallback JS también activo (ver script al final del body) */
  }
  .modal {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    max-width: 100% !important;
    width: 100%;
    /* dvh = dynamic viewport height (se reduce cuando sale el teclado en iOS 16+) */
    max-height: min(92vh, 92dvh);
    margin: 0;
    overflow-y: auto;
    /* Scroll suave cuando se hace focus en un input dentro del modal */
    scroll-behavior: smooth;
  }
  .modal-head { padding: 18px 18px 12px; }
  .modal-body { padding: 0 18px 12px; }
  .modal-foot { padding: 12px 18px 24px; }

  /* Botones en bulk bar */
  .bulk-bar { flex-wrap: wrap; gap: 8px; }
  .bb-btn { font-size: 12px; }

  /* Disc type cards: columna */
  .disc-type-cards { flex-direction: column; }
  .disc-type-card { min-width: 0; }

  /* Toolbar con botones: wrap */
  .toolbar { flex-wrap: wrap; gap: 8px; }

  /* Setting sections */
  .setting-section { padding: 16px 0; }

  /* Tabs de config */
  .config-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* Configuración: cambiar de 2 columnas a 1 columna con nav horizontal */
  .settings-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .settings-nav {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    position: static;
    max-height: none;
    gap: 4px;
    padding-bottom: 2px;
    /* Ocultar scrollbar en móvil para que se vea limpio */
    scrollbar-width: none;
  }
  .settings-nav::-webkit-scrollbar { display: none; }
  .settings-nav button {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 7px 14px;
    font-size: 13px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid transparent;
  }
  .settings-nav button.active {
    background: var(--accent-soft);
    color: var(--accent-ink);
    border-color: var(--accent);
    box-shadow: none;
  }

  /* Sidebar foot más compacto */
  .sidebar-foot { padding: 10px 12px; }

  /* Modales: asegurar que queden sobre el sidebar en móvil */
  .modal-backdrop { z-index: 500; }

  /* ── Inventario ─────────────────────────────── */
  /* Buscador ocupa todo el ancho */
  .tb-search { max-width: 100%; flex-basis: 100%; }

  /* Tabla: scroll horizontal (el inline overflowX:"hidden" se sobreescribe) */
  .inv-tbl-wrap { overflow-x: auto !important; }
  /* La tabla crece más allá del contenedor para que haya algo que scrollear */
  .inv-tbl-wrap .tbl {
    table-layout: auto !important;
    width: max-content !important;
    min-width: 520px;
  }

  /* Segmented control de estados: scroll horizontal en lugar de desbordarse */
  .status-seg {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    max-width: calc(100vw - 56px);
  }
  .status-seg::-webkit-scrollbar { display: none; }

  /* Botones del page-head: permitir que se enrollen en móvil */
  .page-head > div { flex-wrap: wrap; }

  /* ── KPI grids en Reportes ──────────────────── */
  .rep-cards-grid { grid-template-columns: 1fr !important; }

  /* ── Tabs (Recibir / Descontar / etc.) ───────── */
  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-wrap: nowrap;
    margin-bottom: 16px;
  }
  .tabs::-webkit-scrollbar { display: none; }
  .tab { white-space: nowrap; flex-shrink: 0; font-size: 13px; padding: 8px 4px; }

  /* ── Dropzone XLSX: padding reducido ─────────── */
  .dropzone { padding: 28px 16px; }
  .dropzone h4 { font-size: 14px; }

  /* ── Botones small: target táctil mínimo ──────── */
  .btn-sm { min-height: 36px; padding: 0 12px; }

  /* ── Admin table: mínimo ancho para scroll ────── */
  .tbl-wrap .tbl { min-width: 640px; }

  /* ── Dropdown de idiomas en móvil ───────────── */
  .lang-menu {
    position: fixed;
    top: auto;
    right: 8px;
    left: 8px;
    max-height: 55vh;
    border-radius: var(--radius-lg);
    z-index: 400;
  }

  /* ── Targets táctiles mínimos 44px ──────────── */
  .nav-item { min-height: 44px; }
  .icon-btn  { width: 44px; height: 44px; }
  .mob-menu-btn { width: 44px; height: 44px; }

  /* ── Sidebar foot: botones más grandes ───────── */
  .sidebar-foot button { min-height: 44px; width: 100%; justify-content: center; }

  /* ── Evitar zoom en inputs (iOS) ─────────────── */
  input, select, textarea { font-size: max(16px, 1em) !important; }

  /* ── Top-actions: ocultar texto, solo íconos ─── */
  .top-actions .lang-label { display: none; }

  /* ── Padding lateral consistente ─────────────── */
  .page { padding: 12px 14px 60px; }

  /* ── Breadcrumbs ocultos en móvil ────────────── */
  .crumbs { display: none; }

  /* ── Search full width ────────────────────────── */
  .search { max-width: none; width: 100%; margin: 0; }
}

/* ===== RESPONSIVE TABLET ≤ 900px ===== */
@media (max-width: 900px) and (min-width: 769px) {
  :root { --sidebar-w: 200px; }
  .brand-name { font-size: 15px; }
  .nav-item { font-size: 13px; padding: 8px 12px; }
  .page { padding: 20px; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
}