:root {
  --bg: #0f172a;
  --card: #1e293b;
  --fg: #e2e8f0;
  --muted: #94a3b8;
  --accent: #6366f1;
  --danger: #ef4444;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
}

body.centered {
  display: flex;
  align-items: center;
  justify-content: center;
}

.card {
  background: var(--card);
  padding: 2rem;
  border-radius: 12px;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.card h1 { margin-top: 0; }

label {
  display: block;
  margin: 1rem 0 0.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}

input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid #334155;
  border-radius: 8px;
  background: #0f172a;
  color: var(--fg);
  font-size: 1rem;
}

button {
  margin-top: 1.5rem;
  width: 100%;
  padding: 0.7rem;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-size: 1rem;
  cursor: pointer;
}

button:hover { opacity: 0.9; }

button.link {
  width: auto;
  margin: 0;
  background: transparent;
  color: var(--muted);
  padding: 0;
}

.alert {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--danger);
  color: #fecaca;
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--card);
  border-bottom: 1px solid #334155;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.navbar-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.75rem 1.5rem;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  flex: 1;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--fg);
  background: rgba(255, 255, 255, 0.06);
}

.nav-links a.active {
  color: white;
  background: var(--accent);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-username {
  font-size: 0.9rem;
  color: var(--fg);
}

.container { max-width: 800px; margin: 0 auto; padding: 2rem 1.5rem; }

.badge {
  background: var(--accent);
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
}

a { color: #a5b4fc; }

/* ---- Inventory / tables ---- */
.container.wide { max-width: 1200px; }

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.muted { color: var(--muted); }
.muted.small { font-size: 0.8rem; }
.ok { color: #34d399; }
.warn { color: #fbbf24; }

.btn {
  display: inline-block;
  width: auto;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
}
.btn:hover { opacity: 0.9; }

.searchbar {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin: 1rem 0;
}
.searchbar input { width: 320px; margin: 0; }
.searchbar button { width: auto; margin: 0; padding: 0.55rem 1rem; }
.searchbar .link { width: auto; }

.panel {
  background: var(--card);
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin: 1rem 0;
}
.panel h2 { margin-top: 0; font-size: 1.05rem; }
.panel input[type="file"] {
  width: auto;
  display: inline-block;
  margin-right: 0.5rem;
}
.panel button { width: auto; margin: 0; padding: 0.55rem 1rem; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid #334155;
  border-radius: 12px;
  margin-top: 0.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
th, td {
  text-align: left;
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid #2a3a52;
  white-space: nowrap;
}
thead th {
  background: #16233b;
  color: var(--muted);
  font-weight: 600;
  position: sticky;
  top: 0;
}
tbody tr:hover { background: rgba(255, 255, 255, 0.03); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.empty { text-align: center; color: var(--muted); padding: 1.5rem; }

.tag {
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.tag-inbound { background: rgba(52, 211, 153, 0.18); color: #6ee7b7; }
.tag-outbound { background: rgba(239, 68, 68, 0.18); color: #fca5a5; }
.tag-adjust { background: rgba(251, 191, 36, 0.18); color: #fcd34d; }
.tag-delete { background: rgba(239, 68, 68, 0.18); color: #fca5a5; }

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0.5rem 0;
}

.btn.danger { background: var(--danger); }
.btn.danger:disabled {
  background: #475569;
  opacity: 0.6;
  cursor: not-allowed;
}

.checkcol { width: 36px; text-align: center; }
.rowcheck, #checkAll { width: 16px; height: 16px; cursor: pointer; }

.head-actions { display: flex; gap: 0.6rem; }
.btn.secondary { background: #334155; }
.btn.secondary:hover { background: #3e4d68; }

.toolbar-left { display: flex; align-items: center; gap: 0.85rem; }
.pagesize select {
  width: auto;
  margin: 0;
  padding: 0.35rem 0.5rem;
  background: #0f172a;
  color: var(--fg);
  border: 1px solid #334155;
  border-radius: 8px;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: center;
  margin: 1.25rem 0 0.25rem;
}
.pagebtn {
  min-width: 38px;
  text-align: center;
  padding: 0.4rem 0.7rem;
  border: 1px solid #334155;
  border-radius: 8px;
  color: var(--fg);
  text-decoration: none;
  font-size: 0.9rem;
}
.pagebtn:hover { background: rgba(255, 255, 255, 0.06); }
.pagebtn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.pagebtn.disabled {
  opacity: 0.4;
  pointer-events: none;
}
.pagedots { padding: 0.4rem 0.2rem; color: var(--muted); }
.center { text-align: center; }