:root {
  --bg: #f4f6f8;
  --card-bg: #ffffff;
  --border: #dfe3e8;
  --text: #1f2933;
  --muted: #697586;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --warning-bg: #fff4e5;
  --warning-border: #f0b429;
  --danger: #d64545;
  --success-bg: #e8f8ee;
  --success-text: #1e7d3c;
  --error-bg: #fdeaea;
  --error-text: #a31414;
}

* { box-sizing: border-box; }

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  background: #10233f;
  color: white;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.topbar .brand {
  color: white;
  font-weight: 700;
  text-decoration: none;
  font-size: 1.1rem;
}

.topbar nav a {
  color: #cdd8ea;
  text-decoration: none;
  margin-left: 1.1rem;
  font-size: 0.92rem;
}

.topbar nav a:hover { color: white; }

.container {
  max-width: 1150px;
  margin: 1.5rem auto;
  padding: 0 1.2rem 3rem;
}

h1 { font-size: 1.4rem; margin-bottom: 1rem; }

.stats-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem 1.4rem;
  min-width: 160px;
}

.stat-card-warning { border-color: var(--warning-border); background: var(--warning-bg); }

.stat-number { font-size: 1.6rem; font-weight: 700; }
.stat-label { font-size: 0.82rem; color: var(--muted); }

.filter-bar {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.filter-bar input[type="text"] {
  flex: 1;
  min-width: 220px;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.filter-bar select {
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.checkbox-label { font-size: 0.9rem; display: flex; align-items: center; gap: 0.35rem; }

button, .btn-secondary, input[type="submit"] {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-block;
}

button:hover { background: var(--accent-dark); }

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

.link-btn {
  background: none;
  border: none;
  color: var(--danger);
  padding: 0;
  font-size: 0.88rem;
  text-decoration: underline;
}

.inventory-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}

.inventory-table th, .inventory-table td {
  padding: 0.6rem 0.7rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: 0.9rem;
}

.inventory-table th a { color: var(--text); text-decoration: none; }
.inventory-table thead { background: #eef1f5; }

.row-low-stock { background: var(--warning-bg); }
.qty-low { color: var(--danger); font-weight: 700; }

.qty-cell { display: flex; align-items: center; gap: 0.4rem; white-space: nowrap; }
.qty-form { display: inline; }
.qty-btn { padding: 0.1rem 0.55rem; font-weight: 700; }

.actions-cell { white-space: nowrap; }
.actions-cell form { display: inline; margin-left: 0.6rem; }

.muted { color: var(--muted); font-size: 0.85rem; }
.empty-state { text-align: center; padding: 2rem; color: var(--muted); }

.flashes { margin-bottom: 1rem; }
.flash { padding: 0.6rem 0.9rem; border-radius: 6px; margin-bottom: 0.5rem; font-size: 0.9rem; }
.flash-success { background: var(--success-bg); color: var(--success-text); }
.flash-error { background: var(--error-bg); color: var(--error-text); }

.component-form { max-width: 720px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem 1.2rem; }
.form-grid label { display: flex; flex-direction: column; font-size: 0.85rem; color: var(--muted); gap: 0.3rem; }
.form-grid .span-2 { grid-column: span 2; }
.form-grid input, .form-grid textarea {
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  color: var(--text);
  font-family: inherit;
}
.form-actions { margin-top: 1.3rem; display: flex; gap: 0.7rem; }

.input-with-button { display: flex; gap: 0.5rem; align-items: flex-start; }
.input-with-button input, .input-with-button textarea { flex: 1; }
.copy-btn {
  background: white;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.4rem 0.7rem;
  font-size: 0.8rem;
  white-space: nowrap;
}
.copy-btn:hover { background: #eef4ff; }

.copy-row { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.pre-wrap { white-space: pre-wrap; }

.shortcut-buttons { display: flex; gap: 0.8rem; margin: 1rem 0 1.6rem; flex-wrap: wrap; }
.shortcut-instructions { max-width: 640px; }
.shortcut-instructions li { margin-bottom: 0.4rem; }

/* Category combobox */
.combo { position: relative; }
.combo input[type="text"] {
  width: 100%;
  padding: 0.5rem 2.1rem 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
}
.combo-toggle {
  position: absolute;
  right: 2px;
  top: 2px;
  bottom: 2px;
  width: 1.8rem;
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
}
.combo-list {
  position: absolute;
  z-index: 20;
  left: 0;
  right: 0;
  top: calc(100% + 2px);
  margin: 0;
  padding: 0.2rem 0;
  list-style: none;
  background: white;
  border: 1px solid var(--border);
  border-radius: 6px;
  max-height: 220px;
  overflow-y: auto;
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}
.combo-list li {
  padding: 0.4rem 0.7rem;
  cursor: pointer;
  font-size: 0.9rem;
}
.combo-list li:hover { background: #eef4ff; }
.combo-list li.combo-empty { color: var(--muted); cursor: default; font-style: italic; }
.combo-list li.combo-empty:hover { background: none; }

/* Bottom Activity Log panel */
.log-toggle-tab {
  position: fixed;
  right: 1.2rem;
  bottom: 0;
  z-index: 40;
  background: #10233f;
  color: white;
  border: none;
  border-radius: 8px 8px 0 0;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  cursor: pointer;
}
.log-toggle-tab.active { background: var(--accent); }

.log-panel {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 39;
  height: 260px;
  background: #10233f;
  color: #e6ebf5;
  display: flex;
  flex-direction: column;
  box-shadow: 0 -4px 14px rgba(0,0,0,0.25);
}
.log-panel-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  flex-shrink: 0;
}
.log-panel-hint { flex: 1; color: #a9b6cc; }
.log-panel-close {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
}
.log-entries {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem 1rem;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.82rem;
}
.log-entry { padding: 0.15rem 0; white-space: pre-wrap; word-break: break-word; }
.log-entry.log-warning { color: #ffcf6b; }
.log-entry.log-error { color: #ff8080; }
.log-entry.log-info { color: #cfe0ff; }

body { padding-bottom: 3rem; }

.logout-form { display: inline; margin-left: 1.1rem; }
.logout-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: #cdd8ea;
  padding: 0.3rem 0.7rem;
  font-size: 0.85rem;
}
.logout-btn:hover { color: white; border-color: white; }

.auth-card {
  max-width: 380px;
  margin: 3rem auto;
  background: white;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
}
.auth-card h1 { font-size: 1.3rem; text-align: center; margin-bottom: 0.3rem; }
.auth-card p.muted { text-align: center; }
.auth-card .component-form { max-width: none; }
.auth-card .form-actions { justify-content: center; }

.columns-dnd {
  display: flex;
  gap: 1.5rem;
  margin: 1rem 0 1.5rem;
  flex-wrap: wrap;
}
.columns-dnd-col { flex: 1; min-width: 220px; }
.dnd-list {
  list-style: none;
  margin: 0;
  padding: 0.4rem;
  min-height: 220px;
  background: white;
  border: 1px dashed var(--border);
  border-radius: 8px;
}
.dnd-list li {
  padding: 0.5rem 0.7rem;
  margin-bottom: 0.35rem;
  background: #eef1f5;
  border-radius: 6px;
  cursor: grab;
  font-size: 0.9rem;
  user-select: none;
}
.dnd-list li:active { cursor: grabbing; }
#visible-list li { background: #e3edff; }

.detail-layout { display: flex; gap: 2rem; flex-wrap: wrap; }
.detail-info { flex: 1; min-width: 300px; }
.detail-qr { text-align: center; }
.detail-table { border-collapse: collapse; margin-top: 0.8rem; }
.detail-table th { text-align: left; color: var(--muted); padding: 0.35rem 1rem 0.35rem 0; vertical-align: top; }
.detail-table td { padding: 0.35rem 0; }

.label-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.8rem;
}
.label-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: white;
  padding: 0.7rem;
  display: flex;
  gap: 0.7rem;
  align-items: center;
}
.label-text { display: flex; flex-direction: column; font-size: 0.85rem; }
.label-text span { color: var(--muted); }
.label-text span:first-child { color: var(--text); font-weight: 600; }

.label-field-picker {
  margin: 0.8rem 0 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  background: white;
}
.label-field-picker summary { cursor: pointer; font-size: 0.9rem; color: var(--accent); }
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.4rem 1rem;
  margin: 0.8rem 0;
}

pre {
  background: #eef1f5;
  padding: 0.8rem;
  border-radius: 6px;
  font-size: 0.82rem;
  overflow-x: auto;
}

@media print {
  .topbar, .no-print, .flashes { display: none !important; }
  .label-card { break-inside: avoid; }
}

@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .span-2 { grid-column: span 1; }
}