:root {
  --bg: #1a1c22;
  --bg-panel: #22242c;
  --bg-panel-2: #2a2d37;
  --bg-elev: #323540;
  --border: #3a3e4a;
  --text: #e6e8ee;
  --text-dim: #9aa0ad;
  --accent: #5b8cff;
  --accent-2: #7b61ff;
  --danger: #ff5d6c;
  --green: #3ddc97;
  --radius: 10px;
  --radius-sm: 6px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

.hidden { display: none !important; }

/* ---------- 按钮 ---------- */
.btn {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  transition: background .15s, border-color .15s, transform .05s;
  white-space: nowrap;
}
.btn:hover { background: #3b3f4c; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #6b99ff; }
.btn-ghost { background: transparent; }
.btn-block { width: 100%; margin-bottom: 8px; }
.btn-mini { padding: 4px 8px; font-size: 12px; }
.btn:disabled { opacity: .4; cursor: not-allowed; pointer-events: none; }
.btn.danger { color: var(--danger); }
.btn.danger:hover { border-color: var(--danger); background: rgba(255,93,108,.12); }

/* ---------- 登录 ---------- */
.login-view {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 30% 20%, rgba(91,140,255,.18), transparent 45%),
    radial-gradient(circle at 75% 80%, rgba(123,97,255,.16), transparent 45%),
    var(--bg);
}
.login-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  width: 360px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.login-logo {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 2px;
  line-height: 1.15;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 16px;
}
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-sub { margin: 0 0 24px; color: var(--text-dim); }
.field-label { display: block; margin-bottom: 6px; color: var(--text-dim); font-size: 12px; }
.login-card input {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  margin-bottom: 12px;
  font-size: 14px;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.otp-row { display: flex; gap: 8px; }
.otp-row input { flex: 1; }
.otp-row .btn { margin-bottom: 12px; }
.login-error { color: var(--danger); min-height: 18px; margin: 8px 0 0; font-size: 12px; }
.login-hint { color: var(--text-dim); font-size: 12px; margin-top: 16px; }
.login-link { color: var(--accent); cursor: pointer; text-decoration: none; }
.login-link:hover { text-decoration: underline; }

/* ---------- 应用骨架 ---------- */
.app-view { display: flex; flex-direction: column; height: 100vh; }

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  height: 56px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.brand {
  font-weight: 800;
  letter-spacing: 1px;
  font-size: 15px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.tabs { display: flex; gap: 4px; flex: 1; }
.tab {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  transition: color .15s, background .15s;
}
.tab:hover { color: var(--text); background: var(--bg-elev); }
.tab.active { color: #fff; background: var(--bg-elev); font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.user-email { color: var(--text-dim); font-size: 13px; }

.tab-panel { flex: 1; min-height: 0; }

.placeholder-panel { display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--text-dim); }
.placeholder-panel h2 { color: var(--text); margin-bottom: 8px; }

/* ---------- 我的图库 ---------- */
#tab-gallery { display: flex; }
.gallery-panel {
  flex: 1; min-width: 0; min-height: 0;
  display: flex; flex-direction: column;
  background: var(--bg);
  padding: 16px;
  gap: 14px;
}
.gallery-toolbar {
  display: flex; align-items: center; gap: 12px;
  padding-bottom: 10px; border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.gallery-title { font-size: 16px; font-weight: 600; color: var(--text); }
.gallery-hint { font-size: 12px; color: var(--text-dim); }
.gallery-list {
  flex: 1; min-height: 0; overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  align-content: start;
}
.gallery-item {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 12px; border-radius: var(--radius-sm);
  background: var(--bg-panel); border: 1px solid var(--border);
}
.gallery-item img {
  width: 150px; height: 150px;
  image-rendering: pixelated;
  background: repeating-conic-gradient(#c9c9c9 0% 25%, #ffffff 0% 50%) 0 0 / 12px 12px;
  border-radius: 4px;
  object-fit: contain;
}
.gallery-name { font-size: 13px; color: var(--text); max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gallery-meta { font-size: 11px; color: var(--text-dim); }
.gallery-status {
  display: inline-block; margin-left: 6px; padding: 1px 6px;
  font-size: 10px; border-radius: 999px; vertical-align: middle;
  border: 1px solid transparent;
}
.gallery-status.st-pending { color: #e6a23c; border-color: #e6a23c; }
.gallery-status.st-approved { color: #67c23a; border-color: #67c23a; }
.gallery-status.st-rejected { color: var(--danger); border-color: var(--danger); }
.gallery-ops { display: flex; justify-content: center; gap: 4px; }
.gallery-ops .btn { padding: 4px 6px; font-size: 11px; }
.gallery-empty {
  flex: 1; display: flex; align-items: center; justify-content: center;
  color: var(--text-dim); font-size: 14px;
}

/* 首页作品卡片 */
.work-item {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 12px; border-radius: var(--radius-sm);
  background: var(--bg-panel); border: 1px solid var(--border);
}
.work-item img {
  width: 150px; height: 150px;
  image-rendering: pixelated;
  background: repeating-conic-gradient(#c9c9c9 0% 25%, #ffffff 0% 50%) 0 0 / 12px 12px;
  border-radius: 4px;
  object-fit: contain;
}
.work-name { font-size: 13px; color: var(--text); max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.work-info { font-size: 11px; color: var(--text-dim); }

/* 发布对话框：选择展示帧 */
.dialog-publish { max-width: 640px; width: 90vw; }
.publish-frame-list {
  max-height: 55vh; overflow-y: auto;
  display: flex; flex-direction: column; gap: 12px;
  margin-top: 12px;
}
.pf-group { display: flex; flex-direction: column; gap: 6px; }
.pf-label { font-size: 13px; color: var(--text); font-weight: 600; }
.pf-row { display: flex; flex-wrap: wrap; gap: 8px; }
.pf-thumb {
  width: 48px; height: 48px;
  image-rendering: pixelated;
  border: 2px solid var(--border);
  border-radius: 4px;
  background: repeating-conic-gradient(#c9c9c9 0% 25%, #ffffff 0% 50%) 0 0 / 12px 12px;
  cursor: pointer;
  transition: border-color .15s;
}
.pf-thumb:hover { border-color: var(--accent); }
.pf-thumb.selected { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); }

/* 作品详情对话框 */
.work-item { cursor: pointer; }
.dialog-work { max-width: 720px; width: 92vw; }
.work-info-row { font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.work-body {
  display: flex; gap: 16px; margin-top: 14px;
  align-items: flex-start;
}
.work-action-list {
  flex: 0 0 180px;
  display: flex; flex-direction: column; gap: 6px;
  max-height: 320px; overflow-y: auto;
}
.work-action {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; padding: 8px 10px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-elev); color: var(--text);
  cursor: pointer; font-size: 13px; text-align: left;
  transition: all .15s;
}
.work-action:hover { border-color: var(--accent); }
.work-action.active { border-color: var(--accent); background: rgba(94, 130, 255, .12); }
.wa-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wa-fc { font-size: 11px; color: var(--text-dim); flex-shrink: 0; }
.work-action-empty { font-size: 12px; color: var(--text-dim); padding: 8px 0; }
.work-preview {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; min-height: 280px;
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 16px;
  position: relative;
}
#workPreviewCanvas {
  image-rendering: pixelated;
  background: repeating-conic-gradient(#c9c9c9 0% 25%, #ffffff 0% 50%) 0 0 / 12px 12px;
  border-radius: 4px;
  width: 240px; height: 240px;
  object-fit: contain;
}
.work-preview-hint { font-size: 12px; color: var(--text-dim); }

/* ---------- 后台管理 ---------- */
.admin-panel {
  flex: 1; min-height: 0; overflow-y: auto;
  display: flex; flex-direction: column;
  padding: 16px; gap: 16px;
}
.admin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: start;
}
.admin-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  display: flex; flex-direction: column; gap: 10px;
}
.admin-card-wide { grid-column: 1 / -1; }
.admin-card-title {
  font-size: 14px; font-weight: 600; color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.admin-badge {
  background: var(--danger); color: #fff;
  font-size: 11px; padding: 0 7px; border-radius: 999px; line-height: 18px;
}
.admin-field { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-dim); }
.admin-field input {
  padding: 8px 10px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-elev);
  color: var(--text); font-size: 14px; width: 100%;
}
.admin-field input:focus { outline: none; border-color: var(--accent); }
.admin-list {
  display: flex; flex-direction: column; gap: 8px;
  max-height: 360px; overflow-y: auto;
}
.admin-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: var(--bg-elev);
}
.admin-thumb {
  width: 40px; height: 40px; flex-shrink: 0;
  image-rendering: pixelated; border-radius: 4px;
  background: repeating-conic-gradient(#c9c9c9 0% 25%, #ffffff 0% 50%) 0 0 / 12px 12px;
  object-fit: contain;
}
.admin-row-info { flex: 1; min-width: 0; }
.admin-row-name { font-size: 13px; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-row-sub { font-size: 11px; color: var(--text-dim); margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-row-ops { display: flex; gap: 6px; flex-shrink: 0; }
.admin-empty { font-size: 12px; color: var(--text-dim); padding: 10px 0; text-align: center; }
.admin-gallery-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  max-height: 420px; overflow-y: auto;
}
.admin-gallery-item {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 10px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: var(--bg-elev);
}
.admin-gallery-item img {
  width: 100px; height: 100px;
  image-rendering: pixelated; border-radius: 4px;
  background: repeating-conic-gradient(#c9c9c9 0% 25%, #ffffff 0% 50%) 0 0 / 12px 12px;
  object-fit: contain;
}
.admin-gallery-item .admin-row-name { max-width: 100%; }
.admin-gallery-item .admin-row-sub { text-align: center; max-width: 100%; }

/* ---------- 角色设计布局 ---------- */
#tab-character {
  display: grid;
  grid-template-columns: 250px 84px 84px 1fr 280px;
  gap: 0;
  background: var(--bg);
}

.left-panel, .right-panel {
  background: var(--bg-panel);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.left-panel { border-right: 1px solid var(--border); }
.right-panel { border-left: 1px solid var(--border); }

.panel-block { padding: 14px; border-bottom: 1px solid var(--border); }
.block-characters { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.block-tools { flex-shrink: 0; }

.block-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 10px;
  color: var(--text);
}
.block-title > span:first-child { margin-right: auto; }
/* 角色标题：让「存入图库」紧跟「角色」，其余控件靠右 */
.block-characters .block-title > span:first-child { margin-right: 0; }
#saveToGalleryBtn { margin-right: auto; flex-shrink: 0; }

.sub-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-dim);
  margin: 14px 0 8px;
}

/* 角色列表（3 行 × 2 列，分页）/ 动作列表（单行横向滚动） */
.frame-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
}
.character-list {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: repeat(4, 1fr);
  gap: 5px;
  flex: 1;
  min-height: 0;
  align-content: start;
}
/* 角色列表项：单列更紧凑，缩略图与内边距减小 */
.character-list .list-item { padding: 4px 8px; gap: 6px; }
.character-list .list-item .thumb { width: 22px; height: 22px; }
.action-list {
  display: flex;
  flex-direction: row;
  gap: 6px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 4px;
  flex-shrink: 0;
}

/* 分页控件 */
.pager {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
}
.pager-btn {
  width: 24px; height: 24px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  cursor: pointer;
  font-size: 14px; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
}
.pager-btn:hover { border-color: var(--accent); }
.pager-btn:disabled { opacity: .3; cursor: default; }
.pager-label { font-size: 12px; color: var(--text-dim); }

.list-item {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  padding: 8px 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-panel-2);
  border: 1px solid transparent;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.list-item:hover { background: var(--bg-elev); }
.list-item.active { border-color: var(--accent); background: var(--bg-elev); }
.list-item .thumb {
  width: 28px; height: 28px;
  border-radius: 4px;
  background: repeating-conic-gradient(#c9c9c9 0% 25%, #ffffff 0% 50%) 0 0 / 6px 6px;
  image-rendering: pixelated;
  flex-shrink: 0;
}
.list-item .name {
  flex: 1; min-width: 0;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: 12px;
}
.list-item .meta { display: none; }

/* 动作列表项：竖排小卡片 */
.action-list .list-item {
  position: relative;
  flex: 0 0 auto;
  width: 60px;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 8px 4px 5px;
}
.action-list .list-item .thumb { width: 32px; height: 32px; }
.action-list .list-item .name { font-size: 10px; text-align: center; width: 100%; }
.action-list .list-item .item-del { position: absolute; top: 1px; right: 1px; }
.list-item .item-del {
  background: none; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 16px; line-height: 1;
  padding: 2px 4px; border-radius: 4px;
}
.list-item .item-del:hover { color: var(--danger); background: rgba(255,93,108,.15); }

.empty-tip { color: var(--text-dim); font-size: 12px; padding: 10px; text-align: center; }

/* ---------- 临时图块栏（左栏与画布之间，竖向单列） ---------- */
.tile-panel, .palette-panel {
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 8px;
  gap: 8px;
  overflow-y: auto;
  overflow-x: hidden;
}
.tile-title {
  font-weight: 600;
  font-size: 12px;
  color: var(--text);
  flex-shrink: 0;
}
.tile-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  flex: 1;
  width: 100%;
}
.tile-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding: 8px 4px 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-panel-2);
  cursor: grab;
  transition: border-color .15s;
  flex-shrink: 0;
}
.tile-item:hover { border-color: var(--accent); }
.tile-item:active { cursor: grabbing; }
.tile-item canvas {
  max-width: 64px;
  max-height: 64px;
  image-rendering: pixelated;
  background: repeating-conic-gradient(#c9c9c9 0% 25%, #ffffff 0% 50%) 0 0 / 8px 8px;
  border-radius: 3px;
}
.tile-name { font-size: 10px; color: var(--text-dim); margin-top: 4px; }
.tile-item .item-del {
  position: absolute;
  top: 2px; right: 2px;
  background: none; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 13px; line-height: 1;
  padding: 1px 3px; border-radius: 4px;
}
.tile-item .item-del:hover { color: var(--danger); background: rgba(255,93,108,.15); }
.tile-clear { flex-shrink: 0; width: 100%; }
.tile-list .empty-tip { font-size: 11px; padding: 8px 4px; }

/* 工具区 */
.tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin-bottom: 8px; }
.tool {
  padding: 6px 2px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
  line-height: 1.3;
  transition: all .15s;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 3px;
}
.tool .key {
  font-size: 9px;
  line-height: 1;
  opacity: .7;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.tool.active .key { color: #fff; opacity: .9; }
.tool:hover { border-color: var(--accent); }
.tool.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.tool.danger:hover { border-color: var(--danger); color: var(--danger); }
.tool.placeholder { cursor: default; opacity: .4; }
.tool.placeholder:hover { border-color: var(--border); }

.color-row { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.current-color-box {
  display: flex; align-items: center; gap: 6px;
  position: relative;
}
.current-color {
  width: 26px; height: 26px; border-radius: 6px;
  border: 1px solid var(--border);
  display: inline-block;
  background: #000;
  cursor: pointer;
}
#colorPicker {
  position: absolute; left: 0; top: 0;
  width: 26px; height: 26px;
  opacity: 0; cursor: pointer;
  border: none; padding: 0;
}
.color-hex { color: var(--text-dim); font-size: 12px; font-family: monospace; }
.alpha-label { color: var(--text-dim); font-size: 11px; flex-shrink: 0; }
#alphaSlider { flex: 1; min-width: 0; height: 4px; accent-color: var(--accent); cursor: pointer; }
#alphaSlider:disabled { opacity: .35; cursor: default; }

/* 调色板（竖排在图块栏内，2 列纵向） */
.palette { display: grid; grid-template-columns: repeat(2, 1fr); gap: 5px; width: 100%; flex-shrink: 0; padding-bottom: 4px; }
.palette .swatch {
  aspect-ratio: 1;
  border-radius: 4px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform .1s, box-shadow .1s;
}
.palette .swatch:hover { transform: scale(1.15); box-shadow: 0 0 0 2px var(--accent); }
.palette .swatch.active { box-shadow: 0 0 0 2px var(--accent); }
.palette .swatch.fixed { cursor: default; }

/* 透明色块（棋盘格） */
.palette .swatch.transparent,
.current-color.transparent {
  background: repeating-conic-gradient(#6a6f7d 0% 25%, #c9cdd6 0% 50%) 0 0 / 8px 8px;
}

/* ---------- 绘制区 ---------- */
.canvas-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  min-width: 0;
  min-height: 0;
  position: relative;
  background:
    radial-gradient(circle at center, #1f2128 0%, var(--bg) 75%);
}
.canvas-stage {
  background:
    repeating-conic-gradient(#808080 0% 25%, #cccccc 0% 50%) 0 0 / 50% 50%;
  border: 2px solid var(--border);
  border-radius: 4px;
  padding: 8px;
}
#viewCanvas {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  cursor: crosshair;
  border: 1px solid var(--border);
  background:
    repeating-conic-gradient(#808080 0% 25%, #cccccc 0% 50%) 0 0 / 50% 50%;
}

.stage-corner { position: absolute; z-index: 5; }
/* 画布正中央的提示文字（请先创建角色/动作等） */
.stage-hint {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 20;
  max-width: 80%;
  padding: 12px 22px;
  border-radius: 8px;
  background: rgba(18, 18, 24, 0.88);
  border: 1px solid var(--danger);
  color: #ffd7db;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  pointer-events: none;
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}
/* 预览/参考图固定在画布区（canvas-panel）的左上 / 右上角外侧 */
.corner-preview {
  top: 16px; left: 16px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
}
#previewCanvas {
  width: 48px; height: 48px;
  image-rendering: pixelated;
  background: repeating-conic-gradient(#c9c9c9 0% 25%, #ffffff 0% 50%) 0 0 / 8px 8px;
  border: 1px solid var(--border);
  border-radius: 3px;
}
.corner-label { font-size: 10px; color: var(--text-dim); }

.corner-ref {
  top: 16px; right: 16px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
  min-width: 92px;
}
.ref-box {
  width: 80px; height: 80px;
  border: 1px dashed var(--border);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  overflow: hidden;
  color: var(--text-dim);
  font-size: 10px;
  text-align: center;
  background: repeating-conic-gradient(#2a2d37 0% 25%, #23252d 0% 50%) 0 0 / 10px 10px;
}
.ref-box img { width: 100%; height: 100%; object-fit: contain; image-rendering: pixelated; }
#clearRefBtn { margin-top: 6px; width: 100%; }

/* 放大参考图浮窗（可拖动到任意位置） */
.ref-float {
  position: fixed;
  z-index: 1000;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.5);
  overflow: hidden;
  user-select: none;
}
.ref-float-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 10px;
  font-size: 12px; color: var(--text-dim);
  background: var(--bg-elev);
  cursor: move;
}
.ref-float-close {
  border: none; background: transparent; color: var(--text-dim);
  font-size: 18px; line-height: 1; cursor: pointer; padding: 0 2px;
}
.ref-float-close:hover { color: var(--text); }
.ref-float-body { padding: 6px; display: flex; align-items: center; justify-content: center; }
.ref-float-body img {
  display: block;
  max-width: 60vw;
  max-height: 60vh;
  image-rendering: pixelated;
  pointer-events: none;
}

.canvas-size-hint { text-align: center; color: var(--text-dim); font-size: 11px; margin-top: 6px; }

.canvas-footer {
  display: flex; align-items: center; gap: 14px;
  margin-top: 12px;
  color: var(--text-dim); font-size: 12px;
}
.zoom-row { display: flex; align-items: center; gap: 6px; }
.grid-toggle { display: flex; align-items: center; gap: 4px; }

/* ---------- 右侧栏 ---------- */
.preview-stage {
  display: flex; align-items: center; justify-content: center;
  background: repeating-conic-gradient(#c9c9c9 0% 25%, #ffffff 0% 50%) 0 0 / 16px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 10px;
}
#previewPlayCanvas { width: 128px; height: 128px; image-rendering: pixelated; }
.preview-controls { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--text-dim); }
.preview-controls input[type=range] { width: 90px; }

.frame-list { flex-direction: row; flex-wrap: wrap; gap: 8px; max-height: none; }
.frame-item {
  width: 52px;
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-panel-2);
  cursor: pointer;
  text-align: center;
  transition: border-color .15s;
}
.frame-item.active { border-color: var(--accent); }
.frame-item canvas { width: 100%; height: auto; image-rendering: pixelated; display: block; background: repeating-conic-gradient(#c9c9c9 0% 25%, #ffffff 0% 50%) 0 0 / 6px 6px; border-radius: 2px; }
.frame-item .fn { font-size: 10px; color: var(--text-dim); margin-top: 3px; }

.frame-count-row { margin-top: 12px; display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--text-dim); }
.frame-count-btns { display: flex; flex-wrap: wrap; gap: 4px; }
.fc {
  width: 28px; height: 28px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  cursor: pointer;
}
.fc.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  z-index: 999;
}
.toast.error { border-color: var(--danger); color: #ffd7db; }
.toast.success { border-color: var(--green); color: #d3ffe9; }

/* ---------- 对话框 ---------- */
.dialog-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 998;
}
.dialog {
  width: 320px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.dialog-title { font-weight: 700; font-size: 15px; margin-bottom: 16px; color: var(--text); }
.dialog-field { display: flex; flex-direction: column; gap: 4px; }
.dialog-label { font-size: 12px; color: var(--text-dim); }
.dialog-field input {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 14px;
  width: 100%;
}
.dialog-field input:focus { outline: none; border-color: var(--accent); }
.dialog-field textarea {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 14px;
  width: 100%;
  resize: vertical;
  font-family: inherit;
  line-height: 1.5;
}
.dialog-field textarea:focus { outline: none; border-color: var(--accent); }
.dialog-hint { margin: 10px 0 0; font-size: 11px; color: var(--text-dim); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.dialog-actions .btn { min-width: 72px; }
.dialog-error { color: var(--danger); font-size: 12px; min-height: 16px; margin: 10px 0 0; }

/* 新建角色 · 尺寸选择 */
.size-options { display: flex; gap: 8px; margin-top: 8px; }
.size-option {
  flex: 1;
  padding: 10px 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  transition: all .15s;
}
.size-option:hover { border-color: var(--accent); }
.size-option.active { border-color: var(--accent); background: var(--accent); color: #fff; }

/* 角色列表项中的尺寸标注 */
.character-list .list-item .meta {
  display: inline;
  margin-left: 2px;
  font-size: 9px;
  color: var(--text-dim);
  flex-shrink: 0;
}

@media (max-width: 1080px) {
  #tab-character { grid-template-columns: 200px 72px 72px 1fr 240px; }
}