:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #666;
  --accent: #0b5fff;
  --ok: #0a7d32;
  --err: #b00020;
  --border: #e3e5ea;
  --shadow: 0 2px 8px rgba(0,0,0,.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  padding: 20px 24px;
  background: #0f172a;
  color: #fff;
}

header h1 {
  margin: 0;
  font-size: 22px;
  letter-spacing: .3px;
}

.stock {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 24px;
}

.stock-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 260px;
}

.stock-card .icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.stock-card .label {
  margin-top: 10px;
  font-size: 18px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: center;
}

.stock-card .count {
  font-size: 84px;
  font-weight: 800;
  line-height: 1;
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
}

.stock-card.low .count { color: var(--err); }

.panel {
  background: var(--card);
  margin: 0 24px 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 20px 24px;
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 18px;
}

.form-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: end;
}

.form-row label {
  display: flex;
  flex-direction: column;
  font-size: 13px;
  color: var(--muted);
  gap: 4px;
}

.form-row input {
  padding: 10px 12px;
  font-size: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  min-width: 140px;
  background: #fff;
  color: var(--text);
}

.form-row input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.form-row button {
  padding: 10px 18px;
  font-size: 16px;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
}

.form-row button:hover { filter: brightness(1.05); }
.form-row button:active { transform: translateY(1px); }

.form-row button.secondary {
  background: #e3e5ea;
  color: var(--text);
}

.hidden { display: none !important; }

.restock-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.restock-btn {
  flex: 1 1 180px;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 12px;
  background: #fff;
  color: var(--text);
  border: 2px solid var(--border);
  border-radius: 14px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  transition: border-color .15s, transform .05s, box-shadow .15s;
}

.restock-btn:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.restock-btn:active { transform: translateY(1px); }

.restock-btn svg { display: block; }

.hint {
  font-size: 12px;
  color: var(--muted);
  margin: 8px 0 0;
}

.msg {
  margin: 10px 0 0;
  font-size: 14px;
  min-height: 1em;
}
.msg.ok  { color: var(--ok); }
.msg.err { color: var(--err); }

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

th {
  background: #f0f2f5;
  font-weight: 600;
}

tbody tr:hover { background: #fafbfc; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.trip    { background: #e5efff; color: #0b5fff; }
.badge.restock { background: #e3f7e7; color: #0a7d32; }

@media (max-width: 700px) {
  .stock { grid-template-columns: 1fr; }
  .stock-card .count { font-size: 56px; }
}