*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #080808;
  --dark:     #0e0e0e;
  --mid:      #161616;
  --border:   #242424;
  --blue:     #2b7fd4;
  --blue-b:   #4a9fe8;
  --white:    #f2f2f2;
  --muted:    #666;
  --red:      #ef4444;
  --orange:   #f97316;
  --green:    #22c55e;
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 14px;
  min-height: 100vh;
}

/* ── Header ────────────────────────────────────────────────────────────────── */
.header {
  background: var(--dark);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left { display: flex; align-items: center; gap: 16px; }
.header-logo { font-size: 18px; font-weight: 700; letter-spacing: 0.05em; color: var(--white); }
.header-logo span { color: var(--blue); }
.header-last { font-size: 12px; color: var(--muted); }

.header-right { display: flex; align-items: center; gap: 10px; }

.btn {
  padding: 7px 16px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: opacity .15s;
}
.btn:hover { opacity: .85; }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn-blue   { background: var(--blue);  color: #fff; }
.btn-ghost  { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--white); }
.btn-sm { padding: 4px 10px; font-size: 12px; border-radius: 4px; }
.btn-red { background: #2d1515; color: var(--red); border: 1px solid #4d2020; }
.btn-green { background: #0d2d1a; color: var(--green); border: 1px solid #1a4d2a; }

/* ── Main layout ────────────────────────────────────────────────────────────── */
.main { max-width: 1300px; margin: 0 auto; padding: 28px 24px 60px; }

/* ── Stat cards ─────────────────────────────────────────────────────────────── */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 28px; }

.stat-card {
  background: var(--mid);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
}
.stat-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; }
.stat-value { font-size: 32px; font-weight: 700; line-height: 1; }
.stat-value.red    { color: var(--red); }
.stat-value.orange { color: var(--orange); }
.stat-value.green  { color: var(--green); }
.stat-value.blue   { color: var(--blue); }

/* ── Toolbar ─────────────────────────────────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-input {
  background: var(--mid);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 12px;
  color: var(--white);
  font-size: 13px;
  width: 220px;
  outline: none;
}
.search-input::placeholder { color: var(--muted); }
.search-input:focus { border-color: var(--blue); }

.filter-tabs { display: flex; gap: 6px; }
.filter-tab {
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
}
.filter-tab:hover { color: var(--white); }
.filter-tab.active { background: var(--blue); border-color: var(--blue); color: #fff; }

/* ── Tabla de stock ─────────────────────────────────────────────────────────── */
.table-wrap {
  background: var(--mid);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 32px;
}

table { width: 100%; border-collapse: collapse; }
thead { background: var(--dark); }
th {
  text-align: left;
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--muted);
  white-space: nowrap;
}
td {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  vertical-align: middle;
}
tr:hover td { background: rgba(255,255,255,.02); }

.product-name  { font-weight: 600; }
.product-cat   { font-size: 11px; color: var(--muted); margin-top: 2px; }

.units-cell    { font-size: 20px; font-weight: 700; }

/* Pills de estado */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
}
.badge-ok     { background: #0d2d1a; color: var(--green); }
.badge-low    { background: #2d1d0a; color: var(--orange); }
.badge-crit   { background: #2d1515; color: var(--red); }

.actions { display: flex; gap: 6px; align-items: center; }

/* ── Log de movimientos ─────────────────────────────────────────────────────── */
.section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 12px;
}

.log-table td { font-size: 12px; padding: 9px 16px; }
.log-change-pos { color: var(--green); font-weight: 700; }
.log-change-neg { color: var(--red);   font-weight: 700; }

/* ── Modal de ajuste ────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity .15s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--mid);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  width: 380px;
  max-width: 90vw;
}
.modal-title { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.modal-subtitle { font-size: 12px; color: var(--muted); margin-bottom: 20px; }

.form-label { font-size: 12px; color: var(--muted); margin-bottom: 5px; display: block; }
.form-input {
  width: 100%;
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 12px;
  color: var(--white);
  font-size: 14px;
  outline: none;
  margin-bottom: 14px;
}
.form-input:focus { border-color: var(--blue); }

.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 6px; }

/* ── Scrape modal ────────────────────────────────────────────────────────────── */
.scrape-log {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  font-family: monospace;
  font-size: 11px;
  color: #a8e6a3;
  max-height: 280px;
  overflow-y: auto;
  white-space: pre-wrap;
  margin-top: 14px;
}

/* ── Responsive ──────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .header { padding: 0 16px; }
  .main { padding: 20px 12px 40px; }
  th:nth-child(5), td:nth-child(5) { display: none; }
}

/* ── Toast ────────────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--mid);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 13px;
  font-weight: 600;
  z-index: 999;
  transform: translateY(80px);
  opacity: 0;
  transition: all .25s;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.ok   { border-color: var(--green); color: var(--green); }
.toast.err  { border-color: var(--red);   color: var(--red); }

/* ── FAB ─────────────────────────────────────────────────────────────────────── */
.fab {
  position: fixed;
  bottom: 32px;
  right: 32px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 14px 22px 14px 18px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(43,127,212,0.45);
  transition: transform .15s, box-shadow .15s, background .15s;
  z-index: 200;
}
.fab:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(43,127,212,0.55); background: var(--blue-b); }
.fab:active { transform: translateY(0); }
.fab-icon { font-size: 22px; line-height: 1; }
.fab-label { letter-spacing: .02em; }

/* ── Modal grande ────────────────────────────────────────────────────────────── */
.modal-lg { width: 480px; }

/* ── Tipo entrada/salida ─────────────────────────────────────────────────────── */
.move-type-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 4px; }

.move-type-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 14px 10px;
  border-radius: 10px;
  border: 2px solid var(--border);
  background: var(--dark);
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
}
.move-type-btn small { font-size: 11px; font-weight: 400; }
.move-type-btn .move-type-icon { font-size: 22px; }
.move-type-btn:hover { border-color: #444; color: var(--white); }

.move-type-btn[data-type="entrada"].active {
  border-color: var(--green);
  background: #0d2d1a;
  color: var(--green);
}
.move-type-btn[data-type="salida"].active {
  border-color: var(--red);
  background: #2d1515;
  color: var(--red);
}

/* ── Dropdown de búsqueda de producto ────────────────────────────────────────── */
.product-dropdown {
  display: none;
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-top: 4px;
  overflow: hidden;
  max-height: 220px;
  overflow-y: auto;
}

.drop-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}
.drop-item:last-child { border-bottom: none; }
.drop-item:hover { background: rgba(255,255,255,.04); }
.drop-name { font-weight: 600; font-size: 13px; }
.drop-meta { font-size: 11px; color: var(--muted); }
.drop-empty { padding: 14px; text-align: center; color: var(--muted); font-size: 13px; }

/* ── Producto seleccionado ───────────────────────────────────────────────────── */
.selected-product {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #0d1f35;
  border: 1px solid var(--blue-dim);
  border-radius: 8px;
  padding: 10px 14px;
  margin-top: 4px;
}
.sel-name  { font-weight: 700; font-size: 13px; flex: 1; }
.sel-stock { font-size: 12px; color: var(--blue-b); white-space: nowrap; }
.sel-clear {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 16px;
  padding: 0 4px;
  line-height: 1;
}
.sel-clear:hover { color: var(--red); }

/* ── Login ────────────────────────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.login-card {
  background: var(--mid);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 32px;
  width: 340px;
}
.login-title { font-size: 22px; font-weight: 800; margin-bottom: 4px; }
.login-title span { color: var(--blue); }
.login-sub { font-size: 13px; color: var(--muted); margin-bottom: 28px; }
.login-error { color: var(--red); font-size: 12px; margin-bottom: 12px; }
.login-btn { width: 100%; padding: 11px; font-size: 14px; border-radius: 8px; border: none; background: var(--blue); color: #fff; font-weight: 700; cursor: pointer; transition: opacity .15s; }
.login-btn:hover { opacity: .85; }