/* Delta 360 Parts Cage Tracker — shared dark theme (matches the existing Tank Dashboard app) */

:root {
  --bg: #111111;
  --panel: #1a1a1a;
  --border: #2a2a2a;
  --text: #f0f0f0;
  --text-dim: #999999;
  --text-dimmer: #666666;
  --orange: #f47920;
  --green: #4ade80;
  --red: #f87171;
  --red-bg: #7f1d1d;
  --amber: #f59e0b;
  --amber-bright: #fbbf24;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', sans-serif;
  -webkit-tap-highlight-color: transparent;
}

header.app-header {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}

header.app-header h1 {
  margin: 0;
  font-size: 18px;
  border-bottom: 3px solid var(--orange);
  padding-bottom: 4px;
  display: inline-block;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-dim);
}

main {
  padding: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 10px 14px;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
}

.tab-btn.active {
  color: var(--text);
  border-bottom-color: var(--orange);
}

button, .btn {
  background: var(--orange);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

button:disabled { opacity: 0.5; cursor: default; }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-danger { background: var(--red); }

input, select, textarea {
  background: #0d0d0d;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 15px;
  width: 100%;
}

label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 4px;
  margin-top: 12px;
}

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--text-dim); font-weight: 600; font-size: 12px; text-transform: uppercase; }

tr.low-stock td { background: rgba(248, 113, 113, 0.08); color: var(--red); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.badge-take { background: rgba(248,113,113,0.15); color: var(--red); }
.badge-return { background: rgba(74,222,128,0.15); color: var(--green); }
.badge-receive { background: rgba(96,165,250,0.15); color: #60a5fa; }
.badge-reconcile { background: rgba(245,158,11,0.15); color: var(--amber-bright); }

.status-msg { margin-top: 12px; font-size: 14px; }
.status-ok { color: var(--green); }
.status-err { color: var(--red); }

.cart-line {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: #0d0d0d;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 8px;
}
.cart-line .qty-input { width: 70px; flex-shrink: 0; }
.cart-line .line-name { flex: 1; }
.cart-line .remove-btn { background: none; color: var(--text-dimmer); padding: 4px 8px; font-size: 18px; }

.empty-state { color: var(--text-dimmer); text-align: center; padding: 24px 0; }

@media print {
  header.app-header, .tabs, .no-print { display: none !important; }
  body { background: #fff; color: #000; }
}