/* ── Reset y base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #FFFFFF;
  --bg-2:        #F7F6F3;
  --bg-3:        #F1EFE8;
  --text:        #1A1A18;
  --text-2:      #5F5E5A;
  --text-3:      #888780;
  --border:      rgba(0,0,0,0.10);
  --border-2:    rgba(0,0,0,0.18);
  --green-bg:    #EAF3DE;
  --green-text:  #27500A;
  --green-mid:   #639922;
  --amber-bg:    #FAEEDA;
  --amber-text:  #633806;
  --amber-mid:   #EF9F27;
  --red-bg:      #FCEBEB;
  --red-text:    #791F1F;
  --red-mid:     #E24B4A;
  --gray-bg:     #F1EFE8;
  --gray-text:   #444441;
  --r-md:        8px;
  --r-lg:        12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg-2);
  min-height: 100vh;
}

#app {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px 40px;
}

/* ── Nav ──────────────────────────────────────────────────── */
.nav {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  margin: 0 -16px 0;
  padding: 0 16px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 13px 18px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  transition: color .15s;
}
.nav-btn.active { color: var(--text); border-bottom-color: var(--text); }
.nav-btn:hover:not(.active) { color: var(--text); }

/* ── Views ────────────────────────────────────────────────── */
.view { padding: 20px 0; }
.hidden { display: none !important; }

/* ── Section ──────────────────────────────────────────────── */
.section { margin-bottom: 20px; }
.section-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
}

/* ── Search ───────────────────────────────────────────────── */
.search-wrap { position: relative; }
.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  pointer-events: none;
}
input[type="text"],
input[type="number"],
input[type="date"],
select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-2);
  border-radius: var(--r-md);
  font-size: 13px;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus {
  border-color: #8BACE8;
  box-shadow: 0 0 0 3px rgba(55,138,221,.12);
}
.search-wrap input { padding-left: 34px; }

/* ── Dropdown ─────────────────────────────────────────────── */
.dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--bg);
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg);
  z-index: 50;
  max-height: 256px;
  overflow-y: auto;
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
}
.dropdown-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  transition: background .1s;
}
.dropdown-item:last-child { border-bottom: none; }
.dropdown-item:hover { background: var(--bg-2); }
.dropdown-meta { font-size: 11px; color: var(--text-3); margin-left: 8px; flex-shrink: 0; }

/* ── Tags ─────────────────────────────────────────────────── */
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  background: var(--bg);
  border: 1px solid var(--border-2);
  border-radius: var(--r-md);
  padding: 4px 11px;
  font-size: 12px;
  cursor: pointer;
  color: var(--text-2);
  transition: all .1s;
}
.tag:hover { border-color: var(--text-3); color: var(--text); background: var(--bg-2); }

/* ── Card ─────────────────────────────────────────────────── */
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 16px;
  margin-bottom: 12px;
}
.card-success {
  background: var(--green-bg);
  border-color: rgba(99,153,34,.25);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
}
.card-title   { font-size: 15px; font-weight: 500; }
.card-subtitle { font-size: 12px; color: var(--text-2); margin-top: 2px; }

/* ── Form ─────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.field-group { display: flex; flex-direction: column; gap: 4px; }
.field-group label { font-size: 12px; color: var(--text-2); }
.field-group.full { grid-column: 1 / -1; }

.info-bar {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 12px;
  padding: 10px 12px;
  background: var(--bg-2);
  border-radius: var(--r-md);
  font-size: 13px;
  color: var(--text-2);
}
.info-bar strong { color: var(--text); }

.form-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 14px;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--text);
  color: var(--bg);
  border: none;
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: opacity .15s;
}
.btn-primary:hover { opacity: .85; }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: none;
  color: var(--text-2);
  border: 1px solid var(--border-2);
  border-radius: var(--r-md);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: background .1s;
}
.btn-secondary:hover { background: var(--bg-2); }

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-3);
  padding: 4px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
}
.icon-btn:hover { color: var(--text); background: var(--bg-2); }

/* ── Confirmación ─────────────────────────────────────────── */
.conf-title  { font-weight: 500; font-size: 14px; color: var(--green-text); margin-bottom: 4px; }
.conf-texto  { font-size: 13px; color: var(--text-2); margin-bottom: 10px; }
.fifo-tip {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--green-text);
  background: rgba(99,153,34,.15);
  border-radius: var(--r-md);
  padding: 8px 12px;
  margin-bottom: 12px;
}

/* ── Lotes de hoy ─────────────────────────────────────────── */
.lote-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.lote-row:last-child { border-bottom: none; }
.lote-nombre { font-weight: 500; }
.lote-meta { font-size: 11px; color: var(--text-2); margin-top: 2px; }

/* ── Badge ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 99px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}
.badge-green { background: var(--green-bg); color: var(--green-text); }
.badge-amber { background: var(--amber-bg); color: var(--amber-text); }
.badge-red   { background: var(--red-bg);   color: var(--red-text);   }
.badge-gray  { background: var(--gray-bg);  color: var(--gray-text);  }
.dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }

/* ── Count badge ──────────────────────────────────────────── */
.count-badge {
  display: inline-block;
  background: var(--bg-3);
  color: var(--text-2);
  border-radius: 99px;
  padding: 1px 7px;
  font-size: 11px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  margin-left: 6px;
}

/* ── Métricas ─────────────────────────────────────────────── */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}
.metric {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 12px 14px;
}
.metric-val  { font-size: 24px; font-weight: 500; line-height: 1.1; }
.metric-lbl  { font-size: 11px; color: var(--text-2); margin-top: 3px; }

/* ── Filtros stock ────────────────────────────────────────── */
.filters-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.filter-group { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border: 1px solid var(--border-2);
  border-radius: 99px;
  background: none;
  font-size: 12px;
  font-family: inherit;
  color: var(--text-2);
  cursor: pointer;
  transition: all .1s;
}
.filter-btn.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}
.filter-btn.active .dot { background: var(--bg) !important; }

/* ── Tabla stock ──────────────────────────────────────────── */
.stock-table {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.stock-header {
  display: grid;
  grid-template-columns: 2fr 90px 70px 110px 1fr;
  gap: 8px;
  padding: 8px 14px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-3);
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}
.stock-header .center, .stock-row .center { text-align: center; }

.stock-row {
  display: grid;
  grid-template-columns: 2fr 90px 70px 110px 1fr;
  gap: 8px;
  align-items: center;
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  transition: background .1s;
}
.stock-row:last-child { border-bottom: none; }
.stock-row:hover { background: var(--bg-2); }
.stock-row.urgente-bg { background: #FFF5F5; }
.stock-row.urgente-bg:hover { background: #FEEEEE; }

.stock-nombre { font-weight: 500; }
.stock-meta { font-size: 11px; color: var(--text-2); margin-top: 1px; }
.stock-merma { color: var(--red-text); margin-left: 6px; }

.bar-wrap { height: 4px; background: var(--bg-3); border-radius: 99px; overflow: hidden; margin-top: 4px; }
.bar-fill { height: 100%; border-radius: 99px; transition: width .3s; }

/* ── Acciones consumo/merma ───────────────────────────────── */
.action-btns { display: flex; gap: 5px; }

.btn-sacar, .btn-merma {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 9px;
  border-radius: var(--r-md);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  transition: background .1s;
}
.btn-sacar {
  border: 1px solid var(--border-2);
  background: none;
  color: var(--text-2);
}
.btn-sacar:hover { background: var(--bg-2); }
.btn-merma {
  border: 1px solid rgba(224,75,74,.35);
  background: none;
  color: var(--red-text);
}
.btn-merma:hover { background: var(--red-bg); }
.btn-sacar:disabled, .btn-merma:disabled { opacity: .35; cursor: not-allowed; }

.inline-form { display: flex; flex-direction: column; gap: 5px; }
.inline-form-label { font-size: 11px; font-weight: 500; color: var(--text-2); }
.inline-form-label.red { color: var(--red-text); }

.qty-row { display: flex; gap: 4px; align-items: center; }
.qty-btn {
  border: 1px solid var(--border-2);
  background: none;
  border-radius: var(--r-md);
  padding: 3px 8px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  font-family: inherit;
  color: var(--text);
}
.qty-btn:hover { background: var(--bg-2); }
.qty-btn.red { border-color: rgba(224,75,74,.4); color: var(--red-text); }

.qty-input {
  width: 46px !important;
  text-align: center;
  padding: 4px 4px !important;
  font-size: 13px !important;
}
.btn-ok {
  padding: 4px 8px;
  border: none;
  border-radius: var(--r-md);
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
  display: flex;
  align-items: center;
}
.btn-ok.green { background: var(--text); color: var(--bg); }
.btn-ok.red   { background: var(--red-mid); color: #fff; }
.btn-cancel { background: none; border: none; cursor: pointer; color: var(--text-3); padding: 3px; border-radius: var(--r-md); display: flex; align-items: center; }
.btn-cancel:hover { color: var(--text); background: var(--bg-2); }

/* ── Área select ──────────────────────────────────────────── */
.area-select {
  font-size: 12px !important;
  padding: 4px 8px !important;
}

/* ── Toast ────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--text);
  color: var(--bg);
  padding: 10px 16px;
  border-radius: var(--r-md);
  font-size: 13px;
  z-index: 100;
  max-width: 320px;
  animation: fadeIn .2s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ── Empty state ──────────────────────────────────────────── */
.empty { text-align: center; padding: 28px 16px; color: var(--text-2); font-size: 13px; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 640px) {
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .stock-header, .stock-row { grid-template-columns: 1fr auto auto; }
  .stock-header > :nth-child(2),
  .stock-header > :nth-child(3),
  .stock-row > :nth-child(2),
  .stock-row > :nth-child(3) { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .field-group.full { grid-column: 1; }
}