:root {
  --bd: #e5e7eb;
  --fg: #111827;
  --muted: #6b7280;
  --ok: #059669;
  --err: #dc2626;
  --bg: #f9fafb;
}

* {
  box-sizing: border-box;
}

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

header {
  background: #111827;
  color: #fff;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

header h1 {
  margin: 0;
  font-size: 22px;
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.header-actions .btn {
  background: #1f2937;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.header-actions .btn:hover:not(:disabled) {
  background: #374151;
}

.header-actions .btn.toggle[aria-pressed="true"] {
  background: #2563eb;
  border-color: #2563eb;
}

main {
  padding: 32px 16px 60px;
}

.app-shell {
  max-width: 960px;
  margin: 0 auto;
}

.card {
  background: #fff;
  border-radius: 18px;
  padding: 26px;
  box-shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.15);
}

.section {
  margin-bottom: 28px;
}

.section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: 18px;
  margin: 0 0 12px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

.meta strong {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  display: block;
}

.meta code {
  font-size: 15px;
  background: #f3f4f6;
  padding: 6px 8px;
  border-radius: 8px;
}

.qr-code {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.qr-code img {
  background: #fff;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--bd);
}

.qr-code a {
  color: #2563eb;
  word-break: break-all;
}

.upload-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.upload-form input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}

.dropzone {
  border: 2px dashed var(--bd);
  border-radius: 20px;
  padding: 32px;
  text-align: center;
  background: #fff;
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
  cursor: pointer;
}

.dropzone.dragover {
  border-color: #9ca3af;
  transform: scale(1.01);
  background: #f8fafc;
}

.tip {
  color: var(--muted);
  font-size: 14px;
  margin-top: 6px;
}

.label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  padding: 11px 18px;
  border-radius: 12px;
  border: 1px solid var(--bd);
  cursor: pointer;
  font-weight: 600;
  background: #fff;
  color: var(--fg);
  transition: background 0.2s, transform 0.2s;
}

.btn:hover:not(:disabled) {
  background: #f3f4f6;
}

.btn.primary {
  background: #111827;
  color: #fff;
  border-color: #111827;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.upload-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.upload-list-item {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--bd);
  border-radius: 14px;
  padding: 12px;
  background: #fff;
}

.upload-list-item img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 10px;
  flex-shrink: 0;
}

.upload-list-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.upload-name {
  font-weight: 600;
  color: var(--fg);
}

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

.remove {
  position: absolute;
  top: 8px;
  right: 8px;
  border: none;
  background: #fff;
  border-radius: 999px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.18);
}

.remove:after {
  content: "✕";
  display: block;
  font-size: 14px;
  line-height: 30px;
}

.status {
  font-size: 14px;
  margin-top: 6px;
}

.status.ok {
  color: var(--ok);
}

.status.err {
  color: var(--err);
}

.gallery-card {
  margin-top: 28px;
}

.empty-gallery {
  color: var(--muted);
  font-size: 15px;
}

.noscript {
  margin: 30px;
  padding: 16px;
  background: #fff;
  border-left: 4px solid var(--err);
  border-radius: 10px;
  max-width: 480px;
}

@media (max-width: 600px) {
  .card {
    padding: 22px;
  }

  .dropzone {
    padding: 24px;
  }
}
.pending-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 14px;
}

.pending-item {
  position: relative;
  border: 1px solid var(--bd);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
}

.pending-item img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
}

.pending-meta {
  font-size: 13px;
  padding: 7px 10px;
  color: var(--muted);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}