/* img.cd 深色主题样式 */
:root {
  --bg: #0f1115;
  --card: #141821;
  --border: #222734;
  --text: #e5e7eb;
  --muted: #a3a8b8;
  --accent: #4f46e5;
  --accent-hover: #6366f1;
  --danger: #ef4444;
  --success: #10b981;
}

* { box-sizing: border-box; }
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}

.container {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 0 16px;
}

.header {
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #0f1115 0%, #11151b 100%);
}
.header .container {
  padding: 28px 16px;
}
.header h1 {
  margin: 0;
  font-size: 28px;
  letter-spacing: 0.5px;
}
.subtitle {
  margin: 6px 0 0 0;
  color: var(--muted);
  font-size: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  margin: 18px 0;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}
.card h2 {
  margin: 0 0 12px 0;
  font-size: 18px;
}

/* 上传区域 */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  position: relative;
  transition: border-color .2s, background .2s;
}
.dropzone:hover, .dropzone:focus {
  border-color: var(--accent);
  background: rgba(79,70,229,0.06);
  outline: none;
}
.dropzone p {
  margin: 0 0 8px 0;
  color: var(--muted);
}
.dropzone input[type="file"] {
  display: block;
  margin: 10px auto;
  color: var(--text);
}
.status {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}

/* 按钮 */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  transition: background .15s, transform .05s;
}
.btn:hover { background: var(--accent-hover); }
.btn:active { transform: scale(0.98); }
.btn.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn.danger {
  background: var(--danger);
}
.btn.success {
  background: var(--success);
}

/* 图库 */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 1000px) {
  .gallery { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 700px) {
  .gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 460px) {
  .gallery { grid-template-columns: 1fr; }
}
.item {
  background: #12161e;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.thumb {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
  background: #0d1117;
}
.item-body {
  padding: 10px;
}
.item-meta {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
  word-break: break-all;
}
.item-actions {
  display: flex;
  gap: 8px;
}

/* 页脚 */
.footer {
  border-top: 1px solid var(--border);
  margin-top: 26px;
  color: var(--muted);
}
.footer .container {
  padding: 16px;
  text-align: center;
  font-size: 13px;
}

/* 链接与文本 */
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* 容错提示色 */
.error { color: var(--danger); }
.ok { color: var(--success); }

/* 上传区域优化：文件选择行与文件名样式 */
.file-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}
.file-name {
  color: var(--muted);
  font-size: 13px;
  max-width: 60%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
@media (max-width: 460px) {
  .file-name { max-width: 100%; }
}
label.btn { cursor: pointer; }

/* 提示块样式 */
.hint .hint__body { padding-top: 8px; }
.hint[aria-collapsed="true"] .hint__body { display: none; }
.hint .hint__toggle { font-size: 12px; margin-top: 8px; }

/* 拖拽高亮与最小化虚线框样式 */
.dropzone.dragging { border-color: var(--accent); background: rgba(79,70,229,0.08); }
.dropzone.sticky-min {
  position: fixed;
  top: 8px;
  right: 8px;
  width: 220px;
  height: 220px;
  padding: 0;
  z-index: 2;
  background: rgba(0,0,0,0.25);
  backdrop-filter: blur(3px);
  border: 2px dashed #3b82f6;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(59,130,246,0.2);
  cursor: pointer;
}
.dropzone.sticky-min p,
.dropzone.sticky-min .file-row,
.dropzone.sticky-min .status { display: none; }