:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --text: #1f2320;
  --text-muted: #6b7269;
  --border: #e4e1da;
  --accent: #3f6b4f;
  --accent-contrast: #ffffff;
  --danger: #c1443d;
  --danger-bg: #fbeae9;
  --warn: #b9791f;
  --warn-bg: #fbf1de;
  --soon: #a68a1f;
  --soon-bg: #fbf6de;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181a;
    --surface: #1f2225;
    --text: #edeeec;
    --text-muted: #9aa199;
    --border: #33373a;
    --accent: #6fae82;
    --accent-contrast: #10140f;
    --danger: #e2645d;
    --danger-bg: #3a2220;
    --warn: #dba24c;
    --warn-bg: #3a2f18;
    --soon: #d8c04c;
    --soon-bg: #3a3318;
  }
}

* { box-sizing: border-box; }

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

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 80px;
}

h1 {
  font-size: 1.4rem;
  margin: 0 0 4px;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0 0 20px;
}

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

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.form-grid .full { grid-column: 1 / -1; }

label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

input, select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}

input:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

button {
  cursor: pointer;
  font-size: 0.9rem;
  border-radius: 8px;
  border: none;
  font-weight: 600;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 11px 16px;
  width: 100%;
  margin-top: 4px;
}

.btn-primary:active { opacity: 0.85; }

.toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.toolbar input, .toolbar select {
  background: var(--surface);
}

.toolbar input { flex: 1; }
.toolbar select { flex: 0 0 150px; }

.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.items-table {
  width: 100%;
  border-collapse: collapse;
}

.items-table th {
  text-align: left;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}

.items-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.items-table tr:last-child td { border-bottom: none; }

.items-table tbody tr.low {
  background: var(--danger-bg);
}

.items-table tbody tr.expired td:first-child,
.items-table tbody tr.soon td:first-child {
  box-shadow: inset 3px 0 0 var(--danger);
}
.items-table tbody tr.soon td:first-child {
  box-shadow: inset 3px 0 0 var(--warn);
}

.item-name {
  font-weight: 600;
  font-size: 0.98rem;
  overflow-wrap: break-word;
}

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 6px;
}

.badge-expired { background: var(--danger-bg); color: var(--danger); }
.badge-soon { background: var(--warn-bg); color: var(--warn); }
.badge-week { background: var(--soon-bg); color: var(--soon); }

@media (max-width: 640px) {
  .items-table thead { display: none; }
  .items-table, .items-table tbody, .items-table tr, .items-table td {
    display: block;
    width: 100%;
  }
  .items-table tr {
    border-bottom: 1px solid var(--border);
    padding: 10px 14px;
  }
  .items-table td {
    border-bottom: none;
    padding: 4px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .items-table td::before {
    content: attr(data-label);
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
  }
  .items-table td:not([data-label]):empty,
  .items-table td[data-label=""] {
    justify-content: flex-end;
  }
  .items-table td[data-label=""]::before { content: ""; }
  .items-table tbody tr.expired,
  .items-table tbody tr.soon {
    border-left: 3px solid var(--danger);
  }
  .items-table tbody tr.soon { border-left-color: var(--warn); }
}

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

.qty-btn {
  width: 30px;
  height: 30px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 1.1rem;
  color: var(--text);
  line-height: 1;
}

.qty-value {
  min-width: 20px;
  text-align: center;
  font-weight: 600;
}

.delete-btn {
  background: transparent;
  color: var(--text-muted);
  font-size: 1.1rem;
  padding: 6px;
}

.delete-btn:hover { color: var(--danger); }

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 20px;
  font-size: 0.9rem;
}

.status-banner {
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  display: none;
}