:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --border: #dde3ea;
  --text: #1c2530;
  --muted: #64748b;
  --accent: #2f8a4c;
  --accent-hover: #256e3c;
  --danger: #d9534f;
  --warn: #c98a12;
  --overlay-1: rgba(0,0,0,0.03);
  --overlay-2: rgba(0,0,0,0.015);
  --overlay-hover: rgba(0,0,0,0.05);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1720;
  --panel: #16212c;
  --border: #263544;
  --text: #e7edf3;
  --muted: #93a3b3;
  --accent: #3ba55d;
  --accent-hover: #2f8a4c;
  --danger: #d9534f;
  --warn: #e0a020;
  --overlay-1: rgba(255,255,255,0.03);
  --overlay-2: rgba(255,255,255,0.015);
  --overlay-hover: rgba(255,255,255,0.05);
}

* { box-sizing: border-box; }

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

header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header h1 { font-size: 18px; margin: 0; }

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 16px;
  font-size: 14px;
}

nav a.active, nav a:hover { color: var(--text); }

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 20px;
}

main.wide {
  max-width: 1100px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

input[type="text"], input[type="number"], select {
  width: 100%;
  padding: 12px;
  font-size: 18px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  margin-bottom: 14px;
}

input:focus { outline: 2px solid var(--accent); }

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 15px;
  cursor: pointer;
}

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

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

.row { display: flex; gap: 10px; }
.row > * { flex: 1; }

.msg {
  margin-top: 14px;
  padding: 12px;
  border-radius: 8px;
  font-size: 14px;
  white-space: pre-wrap;
}

.msg.ok { background: rgba(59,165,93,0.15); border: 1px solid var(--accent); }
.msg.error { background: rgba(217,83,79,0.15); border: 1px solid var(--danger); }
.msg.hidden { display: none; }

.hidden { display: none; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 640px;
}

th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-weight: 600;
  background: var(--overlay-1);
  position: sticky;
  top: 0;
}

tbody tr:hover { background: var(--overlay-1); }
tbody tr:nth-child(even) { background: var(--overlay-2); }
tbody tr:last-child td { border-bottom: none; }

td select {
  margin-bottom: 0;
  padding: 6px 8px;
  font-size: 13px;
  width: auto;
  min-width: 110px;
}

.shelf-manager {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.shelf-manager input[type="text"] {
  margin-bottom: 0;
  width: auto;
  flex: 1;
  min-width: 160px;
  font-size: 14px;
  padding: 8px 10px;
}

.filter-bar {
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.filter-bar input, .filter-bar select {
  margin-bottom: 0;
  font-size: 13px;
  padding: 8px 10px;
}

.shelf-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 6px 4px 12px;
  font-size: 13px;
}

.shelf-chip button {
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 2px 8px;
  font-size: 14px;
  line-height: 1;
  border-radius: 999px;
}

.shelf-chip button:hover { background: rgba(217,83,79,0.2); color: var(--danger); }

.action-cell { text-align: center; width: 1%; white-space: nowrap; }

.action-cell button {
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 4px 8px;
  font-size: 14px;
  line-height: 1;
  border-radius: 999px;
  cursor: pointer;
}

.action-cell button:hover { background: rgba(217,83,79,0.2); color: var(--danger); }

#search-results {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.search-result {
  padding: 10px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
}

.search-result:last-child { border-bottom: none; }
.search-result:hover { background: var(--overlay-hover); }
.search-result .name { display: block; }
.search-result .meta { display: block; font-size: 12px; color: var(--muted); }

#scanner-box {
  margin-bottom: 14px;
  border-radius: 8px;
  overflow: hidden;
}

.small { font-size: 12px; color: var(--muted); }

.brand { display: flex; align-items: center; }

.brand-logo {
  height: 32px;
  width: auto;
  max-width: 45vw;
  display: block;
  background: #ffffff;
  border-radius: 6px;
  padding: 4px 10px;
  object-fit: contain;
}

.login-logo {
  height: 48px;
  width: auto;
  max-width: 100%;
  display: block;
  margin: 0 auto 20px;
  background: #ffffff;
  border-radius: 8px;
  padding: 8px 16px;
  object-fit: contain;
}

.theme-toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.theme-toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.theme-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.theme-toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s;
}

.theme-toggle-slider::before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  top: 3px;
  background: #ffffff;
  border-radius: 50%;
  transition: transform 0.2s;
}

.theme-toggle input:checked + .theme-toggle-slider { background: var(--accent); }
.theme-toggle input:checked + .theme-toggle-slider::before { transform: translateX(20px); }

.dashboard-cards {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.dashboard-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  flex: 1;
  min-width: 160px;
}

.dashboard-card .label { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.dashboard-card .value { font-size: 28px; font-weight: 700; }