:root {
  --primary: #66CCFF;
  --primary-hover: #4db8e8;
  --primary-soft: rgba(102, 204, 255, 0.14);
  --bg: #f5f7fa;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.04);
}

html[data-theme="dark"] {
  --primary: #66CCFF;
  --primary-hover: #8bd9ff;
  --primary-soft: rgba(102, 204, 255, 0.14);
  --bg: #0f172a;
  --card: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --border: #334155;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.22);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, sans-serif;
  line-height: 1.6;
}

.wrap {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
}

.brand-icon svg { width: 20px; height: 20px; }

.brand h1 {
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
}

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.card-title h2 {
  margin: 0;
  font-size: 16px;
}

.card-title svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

.form-grid {
  display: grid;
  gap: 12px;
}

.form-grid.two {
  grid-template-columns: repeat(2, 1fr);
}

.form-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 760px) {
  .form-grid.two,
  .form-grid.three { grid-template-columns: 1fr; }
}

.field label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--text);
  font-size: 14px;
  outline: none;
  font-family: inherit;
}

textarea {
  min-height: 82px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.input-icon { position: relative; }

.input-icon svg {
  position: absolute;
  left: 12px;
  top: 50%;
  width: 16px;
  height: 16px;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}

.input-icon input { padding-left: 36px; }

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}

.btn svg { width: 16px; height: 16px; }

.btn.primary {
  background: var(--primary);
  color: #06202f;
}

.btn.primary:hover { background: var(--primary-hover); }

.btn.ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn.ghost:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
}

.btn.compact {
  padding: 7px 10px;
  font-size: 12px;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
}

.icon-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.icon-btn svg { width: 18px; height: 18px; }

.status {
  margin: 12px 0 0;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--muted);
  font-size: 13px;
  word-break: break-all;
}

.status.ok {
  color: #0f766e;
  border-color: #99f6e4;
  background: rgba(20, 184, 166, 0.08);
}

.status.err {
  color: #b91c1c;
  border-color: #fecaca;
  background: rgba(239, 68, 68, 0.08);
}

html[data-theme="dark"] .status.ok { color: #5eead4; border-color: #115e59; }
html[data-theme="dark"] .status.err { color: #fca5a5; border-color: #7f1d1d; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .stats-grid { grid-template-columns: 1fr; }
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 0;
  padding: 16px;
}

.stat-card svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
  flex: 0 0 auto;
}

.stat-card strong {
  display: block;
  font-size: 20px;
  line-height: 1.2;
}

.stat-card span {
  font-size: 12px;
  color: var(--muted);
}

.list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 8px 0 12px;
}

.list-head h2 {
  margin: 0;
  font-size: 16px;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

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

.item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.item-head h3 {
  margin: 0;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.item-head h3 svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.badge svg { width: 12px; height: 12px; }

.badge.listing { color: #0369a1; border-color: #bae6fd; background: #e0f2fe; }
.badge.claiming { color: #92400e; border-color: #fde68a; background: #fef3c7; }
.badge.completed { color: #166534; border-color: #bbf7d0; background: #dcfce7; }
.badge.cancelled { color: #991b1b; border-color: #fecaca; background: #fee2e2; }

html[data-theme="dark"] .badge.listing { color: #7dd3fc; border-color: #0c4a6e; background: #082f49; }
html[data-theme="dark"] .badge.claiming { color: #fde68a; border-color: #78350f; background: #451a03; }
html[data-theme="dark"] .badge.completed { color: #86efac; border-color: #166534; background: #052e16; }
html[data-theme="dark"] .badge.cancelled { color: #fca5a5; border-color: #7f1d1d; background: #450a0a; }

.item-meta {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.item-meta div {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  word-break: break-all;
}

.item-meta svg {
  width: 14px;
  height: 14px;
  margin-top: 3px;
  color: var(--primary);
  flex: 0 0 auto;
}

.item-meta b { color: var(--text); font-weight: 600; }

.item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.empty {
  grid-column: 1 / -1;
  padding: 32px 12px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--muted);
  text-align: center;
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 14px;
}

.check input { width: auto; }

.site-footer {
  padding: 24px 0;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

code {
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--bg);
  color: var(--primary);
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover { text-decoration: underline; }

.claim-result {
  margin-top: 14px;
  padding: 14px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--muted);
  font-size: 13px;
}

.claim-result h3 {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 8px;
  color: var(--text);
  font-size: 15px;
}

.claim-result h3 svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

.claim-result .item-meta { margin-top: 4px; }
.claim-result .item-actions { margin-top: 12px; }

.image-preview-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  padding: 12px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
}

.image-preview-wrap img {
  width: 120px;
  height: 90px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
}

.item-image-link {
  display: block;
  margin-bottom: 10px;
}

.item-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
}

.hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
}