:root {
  --bg: #f6f2ec;
  --surface: #ffffff;
  --surface-2: #f0e9df;
  --text: #2a2420;
  --muted: #6f655c;
  --border: #e2d8cb;
  --accent: #b7793f;
  --accent-strong: #8f5a2a;
  --accent-text: #ffffff;
  --danger: #b3261e;
  --ok: #2e7d4f;
  --highlight: #ffe9a8;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(60, 40, 20, 0.06), 0 4px 14px rgba(60, 40, 20, 0.06);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1815;
    --surface: #25211d;
    --surface-2: #2f2a24;
    --text: #f1ebe4;
    --muted: #b0a597;
    --border: #3d362e;
    --accent: #d39a5f;
    --accent-strong: #e6b47d;
    --accent-text: #1b1815;
    --danger: #ff8a80;
    --ok: #7fd1a0;
    --highlight: #6b5420;
    --shadow: none;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

a {
  color: var(--accent-strong);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.95rem;
}

.user {
  color: var(--muted);
  font-size: 0.85rem;
  max-width: 40vw;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 480px) {
  .user {
    display: none;
  }
}

.hint {
  font-size: 0.8rem;
  color: var(--muted);
  margin: -4px 0 8px;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 16px 16px 80px;
}

h1 {
  font-size: 1.6rem;
  margin: 8px 0 16px;
}

h2 {
  font-size: 1.15rem;
  margin: 24px 0 10px;
}

.muted {
  color: var(--muted);
}

/* Search */
.search {
  position: relative;
  margin: 8px 0 16px;
}

.search input {
  width: 100%;
  padding: 14px 16px 14px 46px;
  font-size: 1.1rem;
  border: 2px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
}

.search input:focus {
  outline: none;
  border-color: var(--accent);
}

.search svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

/* Buttons and forms */
button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 42px;
  padding: 8px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

button:hover,
.btn:hover {
  border-color: var(--accent);
}

.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}

.primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.danger {
  color: var(--danger);
}

.icon-btn {
  min-height: 36px;
  min-width: 36px;
  padding: 4px 8px;
  font-weight: 500;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 4px;
}

input[type='text'],
input[type='number'],
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
}

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

textarea {
  resize: vertical;
  min-height: 60px;
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  color: var(--text);
  font-weight: 500;
  margin: 0;
}

.check input {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
}

.form-grid {
  display: grid;
  grid-template-columns: 110px 1fr 1fr;
  gap: 12px;
}

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

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }
  .form-grid .num {
    grid-column: 1 / -1;
  }
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.box-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.box-card {
  display: block;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.15s;
}

.box-card:hover {
  border-color: var(--accent);
}

.box-card.unpacked {
  opacity: 0.6;
}

.box-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.box-num {
  flex: none;
  min-width: 52px;
  padding: 2px 10px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 800;
  font-size: 1.25rem;
  text-align: center;
}

.box-title {
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.box-meta {
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
}

.box-preview {
  margin-top: 8px;
  font-size: 0.9rem;
  color: var(--text);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.tag {
  display: inline-block;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--surface-2);
  color: var(--muted);
}

.tag.fragile {
  background: #fde2e0;
  color: #9c1c14;
}

@media (prefers-color-scheme: dark) {
  .tag.fragile {
    background: #4a1e1a;
    color: #ffb4ab;
  }
}

mark {
  background: var(--highlight);
  color: inherit;
  border-radius: 3px;
  padding: 0 1px;
}

/* Item search results */
.result-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  color: inherit;
  text-decoration: none;
}

.result:hover {
  border-color: var(--accent);
}

.result .where {
  text-align: right;
  font-size: 0.85rem;
  color: var(--muted);
  flex: none;
}

/* Box detail */
.detail-head {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.detail-head .box-num {
  font-size: 2rem;
  min-width: 80px;
  padding: 6px 14px;
}

.detail-head h1 {
  margin: 0;
  flex: 1;
  min-width: 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.add-item {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.add-item textarea {
  min-height: 46px;
  flex: 1;
}

.items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.items li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-top: 1px solid var(--border);
}

.items li:first-child {
  border-top: none;
}

.items .item-name {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.items .qty {
  width: 70px;
  flex: none;
}

.items .edit-name {
  flex: 1;
}

.items select {
  width: auto;
  max-width: 140px;
  padding: 6px 8px;
  font-size: 0.85rem;
}

.empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--muted);
}

.save-state {
  font-size: 0.85rem;
  color: var(--muted);
  min-height: 1.3em;
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  max-width: calc(100% - 32px);
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  z-index: 50;
}

.toast.error {
  background: var(--danger);
  color: #fff;
}

/* Labels */
.label-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 20px;
}

.label-picker .check {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
}

.labels {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.label {
  background: #fff;
  color: #000;
  border: 2px dashed #999;
  border-radius: 8px;
  padding: 14px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 14px;
  align-items: start;
  break-inside: avoid;
  page-break-inside: avoid;
}

.label .l-num {
  font-size: 4.5rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -2px;
}

.label .l-num small {
  display: block;
  font-size: 0.9rem;
  letter-spacing: 2px;
  font-weight: 700;
}

.label .l-name {
  font-size: 1.2rem;
  font-weight: 700;
  grid-column: 1 / -1;
}

.label .l-room {
  font-size: 1.05rem;
  grid-column: 1 / -1;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.label .l-fragile {
  grid-column: 1 / -1;
  font-weight: 900;
  font-size: 1.1rem;
  border: 3px solid #000;
  text-align: center;
  padding: 2px;
  letter-spacing: 3px;
}

.label .l-qr svg {
  width: 110px;
  height: 110px;
  display: block;
}

@media print {
  @page {
    margin: 10mm;
  }
  body,
  html {
    background: #fff;
  }
  .no-print {
    display: none !important;
  }
  main {
    max-width: none;
    padding: 0;
  }
  .labels {
    grid-template-columns: 1fr 1fr;
    gap: 8mm;
  }
  .label {
    border: 1px dashed #666;
  }
}