/* ============================================================
   MU Image Web — Apple 风格 UI（亮/暗主题）
   ============================================================ */
:root {
  --accent: #007AFF;
  --accent-hover: #0066d6;
  --bg: #f5f5f7;
  --card: #ffffff;
  --card-border: rgba(0, 0, 0, 0.08);
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --text-3: #a1a1a6;
  --input-bg: #ffffff;
  --input-border: rgba(0, 0, 0, 0.12);
  --hover: rgba(0, 0, 0, 0.04);
  --active: rgba(0, 122, 255, 0.1);
  --red: #ff5f57;
  --green: #34c759;
  --orange: #ff9f0a;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.14);
  --radius: 12px;
  --radius-sm: 8px;
  --sidebar-w: 216px;
}
body.dark {
  --bg: #1c1c1e;
  --card: #2c2c2e;
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #f5f5f7;
  --text-2: #a1a1a6;
  --text-3: #6e6e73;
  --input-bg: #3a3a3c;
  --input-border: rgba(255, 255, 255, 0.12);
  --hover: rgba(255, 255, 255, 0.06);
  --active: rgba(10, 132, 255, 0.18);
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei UI", "Segoe UI", sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  overflow: hidden;
  transition: background 0.25s, color 0.25s;
}
body.dark { color-scheme: dark; }

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: rgba(128,128,128,.35); border-radius: 5px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

#app { display: flex; height: 100vh; }

/* ── 侧边栏 ── */
#sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--card);
  border-right: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  padding: 12px 10px;
  z-index: 10;
}
.sidebar-logo {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px 14px;
  font-weight: 700; font-size: 15px;
}
#nav { flex: 1; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  color: var(--text-2); cursor: pointer; text-decoration: none;
  font-size: 13.5px; transition: background .15s, color .15s;
  user-select: none;
}
.nav-item svg { width: 17px; height: 17px; flex: none; }
.nav-item:hover { background: var(--hover); color: var(--text); }
.nav-item.active { background: var(--active); color: var(--accent); font-weight: 600; }
.sidebar-bottom { display: flex; gap: 6px; padding-top: 10px; border-top: 1px solid var(--card-border); }
.icon-btn {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: var(--radius-sm);
  border: none; background: transparent; color: var(--text-2);
  cursor: pointer; font-size: 16px;
}
.icon-btn:hover { background: var(--hover); color: var(--text); }

/* 侧边栏底部带文字标签的按钮（主题/设置） */
.side-btn {
  display: flex; align-items: center; justify-content: center; gap: 5px;
  flex: 1; padding: 7px 4px; border-radius: var(--radius-sm);
  border: 1px solid var(--card-border); background: transparent;
  color: var(--text-2); cursor: pointer; font-size: 12px; font-family: inherit;
  transition: background .15s, color .15s;
}
.side-btn span { white-space: nowrap; }
.side-btn:hover { background: var(--hover); color: var(--text); }

/* ── 主内容 ── */
#content { flex: 1; overflow-y: auto; position: relative; }
.page { max-width: 1280px; margin: 0 auto; padding: 20px 24px 60px; display: none; animation: pageIn .22s ease; }
.page.active { display: block; }
@keyframes pageIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.page-header { margin-bottom: 16px; }
.page-header h1 { font-size: 21px; font-weight: 700; letter-spacing: -0.2px; }
.page-header p { color: var(--text-2); font-size: 13px; margin-top: 3px; }

/* ── 卡片 ── */
.card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px; margin-bottom: 14px;
}
.card-title {
  font-size: 13px; font-weight: 600; color: var(--text-2);
  margin-bottom: 12px; display: flex; align-items: center; gap: 6px;
}
.card-title .badge { color: var(--accent); }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row + .row { margin-top: 10px; }
.col { display: flex; flex-direction: column; gap: 6px; }
.grow { flex: 1; min-width: 0; }
.spacer { flex: 1; }

/* ── 表单 ── */
label.field-label { font-size: 12px; color: var(--text-2); display: block; margin-bottom: 4px; }
input[type="text"], input[type="password"], input[type="number"], select, textarea {
  width: 100%; padding: 8px 11px;
  background: var(--input-bg); color: var(--text);
  border: 1px solid var(--input-border); border-radius: var(--radius-sm);
  font-size: 13.5px; font-family: inherit; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.15);
}
textarea { resize: vertical; min-height: 76px; line-height: 1.55; }
select { cursor: pointer; appearance: auto; }
input.invalid, select.invalid, textarea.invalid { border-color: var(--red); }

/* ── 按钮 ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px; border-radius: 9px; border: 1px solid transparent;
  font-size: 13.5px; font-weight: 500; cursor: pointer;
  background: var(--card); color: var(--text);
  transition: background .15s, transform .1s, opacity .15s;
  user-select: none;
}
.btn:hover { background: var(--hover); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { opacity: .9; }
.btn-ghost { background: transparent; border-color: var(--input-border); }
.btn-sm { padding: 5px 11px; font-size: 12.5px; border-radius: 7px; }
.btn-block { width: 100%; }

/* ── 上传区 ── */
.dropzone {
  border: 1.5px dashed var(--input-border); border-radius: var(--radius);
  padding: 18px; text-align: center; color: var(--text-2);
  cursor: pointer; transition: border-color .15s, background .15s;
  background: var(--input-bg);
}
.dropzone:hover, .dropzone.drag { border-color: var(--accent); background: var(--active); }
.dropzone .dz-icon { font-size: 26px; margin-bottom: 6px; }
.dropzone img.thumb { max-width: 100%; max-height: 170px; border-radius: var(--radius-sm); display: block; margin: 8px auto 0; }

/* ── 开关（checkbox 样式化） ── */
.switch-row { display: flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; font-size: 13px; }
.switch { position: relative; width: 38px; height: 22px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
  position: absolute; inset: 0; border-radius: 22px; background: rgba(120,120,128,.32);
  transition: background .2s; cursor: pointer;
}
.switch .slider::before {
  content: ""; position: absolute; width: 18px; height: 18px; left: 2px; top: 2px;
  background: #fff; border-radius: 50%; transition: transform .2s;
  box-shadow: 0 1px 3px rgba(0,0,0,.25);
}
.switch input:checked + .slider { background: var(--accent); }
.switch input:checked + .slider::before { transform: translateX(16px); }

.check-row { display: flex; align-items: center; gap: 7px; cursor: pointer; font-size: 13px; user-select: none; }
.check-row input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; }

/* ── 标签 chip ── */
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 11px; border-radius: 20px; font-size: 12px;
  background: var(--hover); color: var(--text-2); border: 1px solid var(--card-border);
}
.chip.active { background: var(--active); color: var(--accent); border-color: var(--accent); font-weight: 500; }

/* ── 结果网格 ── */
.result-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}
.result-card {
  position: relative; border-radius: var(--radius-sm); overflow: hidden;
  border: 1px solid var(--card-border); background: var(--card);
  cursor: pointer; transition: transform .15s, box-shadow .15s;
}
.result-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.result-card img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; background: #fff; }
.result-card .rc-info { padding: 7px 9px; font-size: 11.5px; color: var(--text-2); display: flex; justify-content: space-between; align-items: center; }
.result-card .rc-tools { position: absolute; top: 6px; right: 6px; display: none; gap: 4px; }
.result-card:hover .rc-tools { display: flex; }
.rc-btn {
  width: 26px; height: 26px; border-radius: 6px; border: none;
  background: rgba(0,0,0,.55); color: #fff; cursor: pointer; font-size: 12px;
  display: flex; align-items: center; justify-content: center;
}
.rc-btn:hover { background: rgba(0,0,0,.8); }
.result-card.selected { outline: 2px solid var(--accent); }
.result-card .rc-num {
  position: absolute; top: 6px; left: 6px; background: rgba(0,0,0,.55);
  color: #fff; font-size: 11px; padding: 2px 7px; border-radius: 10px;
}

/* ── 状态 / 进度 ── */
.status-line { font-size: 12.5px; color: var(--text-2); min-height: 18px; }
.status-line.ok { color: var(--green); }
.status-line.err { color: var(--red); }
.progress { height: 5px; background: var(--hover); border-radius: 3px; overflow: hidden; margin-top: 8px; }
.progress .bar { height: 100%; background: var(--accent); border-radius: 3px; transition: width .3s; }

/* ── Toast ── */
#toast-root { position: fixed; top: 18px; left: 50%; transform: translateX(-50%); z-index: 9999; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast {
  background: var(--card); color: var(--text); border: 1px solid var(--card-border);
  border-radius: 10px; padding: 10px 18px; font-size: 13px;
  box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 8px;
  animation: toastIn .25s ease; max-width: 480px;
}
.toast .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.toast.out { opacity: 0; transform: translateY(-8px); transition: all .3s; }

/* ── 弹窗 ── */
#modal-root { position: fixed; inset: 0; z-index: 1000; display: none; align-items: center; justify-content: center; }
#modal-root.show { display: flex; }
.modal-mask { position: absolute; inset: 0; background: rgba(0,0,0,.4); backdrop-filter: blur(3px); animation: fadeIn .2s; }
.modal {
  position: relative; background: var(--card); border-radius: 14px;
  box-shadow: var(--shadow-lg); max-width: min(92vw, 860px); max-height: 90vh;
  display: flex; flex-direction: column; animation: modalIn .22s ease;
  border: 1px solid var(--card-border);
}
.modal.wide { max-width: min(94vw, 1100px); }
.modal.narrow { max-width: min(92vw, 480px); }
.modal-head { padding: 16px 20px 10px; font-size: 16px; font-weight: 600; display: flex; align-items: center; justify-content: space-between; }
.modal-close { border: none; background: transparent; color: var(--text-3); font-size: 20px; cursor: pointer; padding: 2px 6px; border-radius: 6px; }
.modal-close:hover { background: var(--hover); color: var(--text); }
.modal-body { padding: 8px 20px 16px; overflow-y: auto; flex: 1; }
.modal-foot { padding: 12px 20px 16px; display: flex; justify-content: flex-end; gap: 10px; border-top: 1px solid var(--card-border); }
@keyframes fadeIn { from { opacity: 0; } }
@keyframes modalIn { from { opacity: 0; transform: scale(.96) translateY(8px); } to { opacity: 1; transform: none; } }

/* ── 表格 ── */
table.tbl { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.tbl th, .tbl td { padding: 7px 9px; text-align: left; border-bottom: 1px solid var(--card-border); }
.tbl th { color: var(--text-2); font-weight: 600; font-size: 12px; white-space: nowrap; }
.tbl tr:hover td { background: var(--hover); }
.tbl input, .tbl select { padding: 5px 8px; font-size: 12.5px; }

/* ── 聊天 ── */
.chat-wrap { display: flex; flex-direction: column; height: calc(100vh - 130px); min-height: 480px; }
.chat-log { flex: 1; overflow-y: auto; padding: 6px 2px; display: flex; flex-direction: column; gap: 12px; }
.msg { display: flex; gap: 10px; max-width: 86%; }
.msg .avatar { width: 30px; height: 30px; border-radius: 50%; flex: none; display: flex; align-items: center; justify-content: center; font-size: 13px; color: #fff; }
.msg.user { align-self: flex-end; flex-direction: row-reverse; }
.msg .bubble {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 14px; padding: 9px 13px; font-size: 13.5px; line-height: 1.65;
  white-space: pre-wrap; word-break: break-word;
}
.msg.user .bubble { background: var(--accent); color: #fff; border-color: transparent; }
.msg .bubble img.inline-img { max-width: 220px; border-radius: 8px; display: block; margin: 6px 0; }
.msg .bubble .mdown img { max-width: 100%; border-radius: 8px; }
.msg .bubble code { background: var(--hover); padding: 1px 5px; border-radius: 4px; font-size: 12px; font-family: "SF Mono", Consolas, monospace; }
.msg .bubble pre { background: var(--hover); padding: 9px 11px; border-radius: 8px; overflow-x: auto; margin: 6px 0; }
.msg .bubble pre code { background: none; padding: 0; }
.msg .bubble table { border-collapse: collapse; margin: 6px 0; }
.msg .bubble th, .msg .bubble td { border: 1px solid var(--card-border); padding: 4px 8px; font-size: 12.5px; }
.msg .bubble blockquote { border-left: 3px solid var(--accent); padding-left: 10px; margin: 6px 0; color: var(--text-2); }
.chat-input-bar { display: flex; gap: 8px; align-items: flex-end; margin-top: 10px; }
.chat-input-bar textarea { flex: 1; min-height: 44px; max-height: 140px; }
.chat-attach { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.chat-attach .att { position: relative; width: 64px; height: 64px; border-radius: 8px; overflow: hidden; border: 1px solid var(--card-border); }
.chat-attach .att img { width: 100%; height: 100%; object-fit: cover; }
.chat-attach .att .x { position: absolute; top: 2px; right: 2px; width: 18px; height: 18px; border-radius: 50%; background: rgba(0,0,0,.6); color: #fff; border: none; cursor: pointer; font-size: 11px; line-height: 18px; text-align: center; }
.chat-side { border-left: 1px solid var(--card-border); padding-left: 14px; display: flex; flex-direction: column; gap: 8px; }
.chat-session { padding: 8px 10px; border-radius: var(--radius-sm); cursor: pointer; font-size: 12.5px; color: var(--text-2); }
.chat-session:hover { background: var(--hover); }
.chat-session.active { background: var(--active); color: var(--accent); }

/* ── 历史 ── */
.hist-item {
  display: flex; gap: 12px; padding: 11px 13px; border-radius: var(--radius);
  border: 1px solid var(--card-border); background: var(--card); margin-bottom: 9px;
  cursor: pointer; transition: box-shadow .15s;
}
.hist-item:hover { box-shadow: var(--shadow); }
.hist-thumb { width: 58px; height: 58px; border-radius: 8px; object-fit: cover; background: var(--hover); flex: none; }
.hist-info { flex: 1; min-width: 0; }
.hist-title { font-weight: 600; font-size: 13.5px; margin-bottom: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hist-meta { font-size: 12px; color: var(--text-2); display: flex; gap: 10px; flex-wrap: wrap; }
.hist-actions { display: flex; gap: 6px; align-items: flex-start; }
.group-title { font-size: 13px; font-weight: 600; color: var(--text-2); margin: 16px 0 8px; }

/* ── 预览（框选） ── */
.preview-canvas {
  position: relative; display: inline-block; max-width: 100%; line-height: 0;
  border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--card-border);
  background: var(--card);
}
.preview-canvas canvas { max-width: 100%; max-height: 420px; }
.preview-canvas .box {
  position: absolute; border: 2px solid var(--accent); cursor: pointer;
}
.preview-canvas .box.sel { border-color: var(--red); box-shadow: 0 0 0 2px rgba(255,95,87,.35); }
.preview-canvas .box .num {
  position: absolute; top: -8px; left: 4px; background: var(--accent); color: #fff;
  font-size: 10px; padding: 1px 6px; border-radius: 8px;
}
.preview-canvas .box.sel .num { background: var(--red); }

/* ── 任务列表 ── */
.task-item {
  display: flex; align-items: center; gap: 12px; padding: 10px 13px;
  border-radius: var(--radius); border: 1px solid var(--card-border);
  background: var(--card); margin-bottom: 8px;
}
.task-item .t-status { flex: none; width: 64px; text-align: center; font-size: 12px; padding: 3px 0; border-radius: 12px; font-weight: 500; }
.t-status.queued { background: var(--hover); color: var(--text-2); }
.t-status.running { background: rgba(0,122,255,.12); color: var(--accent); }
.t-status.done { background: rgba(52,199,89,.12); color: var(--green); }
.t-status.failed { background: rgba(255,95,87,.12); color: var(--red); }
.t-status.canceled { background: var(--hover); color: var(--text-3); }
.task-item .t-name { flex: 1; min-width: 0; font-size: 13px; }
.task-item .t-name .sub { font-size: 11.5px; color: var(--text-3); }
.task-item .t-progress { width: 130px; flex: none; }
.task-item .t-actions { display: flex; gap: 5px; flex: none; }

/* ── 尺寸图表格 ── */
.dim-table input { width: 88px; }
.dim-preview img { max-width: 100%; max-height: 320px; border-radius: var(--radius-sm); }

/* ── 多PCS 布局 ── */
.pcs-check { display: flex; gap: 8px; flex-wrap: wrap; }
.pcs-check .chip { cursor: pointer; }

/* ── 工具栏 ── */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; align-items: center; }
.search-input { max-width: 260px; }
.seg { display: inline-flex; background: var(--hover); border-radius: 9px; padding: 2px; gap: 2px; }
.seg button {
  border: none; background: transparent; color: var(--text-2);
  padding: 6px 14px; border-radius: 7px; cursor: pointer; font-size: 12.5px;
}
.seg button.active { background: var(--card); color: var(--text); box-shadow: var(--shadow); font-weight: 500; }

/* ── 命令面板 ── */
.cmd-palette input { font-size: 15px; padding: 12px 14px; border: none; border-bottom: 1px solid var(--card-border); border-radius: 0; box-shadow: none; }
.cmd-list { max-height: 380px; overflow-y: auto; }
.cmd-item { display: flex; align-items: center; gap: 10px; padding: 10px 16px; cursor: pointer; font-size: 13.5px; }
.cmd-item:hover, .cmd-item.sel { background: var(--active); color: var(--accent); }
.cmd-item kbd { margin-left: auto; font-size: 11px; color: var(--text-3); }

/* ── 视频播放器 ── */
.video-wrap { background: #000; border-radius: var(--radius); overflow: hidden; }
.video-wrap video { width: 100%; max-height: 480px; display: block; }

/* ── 提示词库 ── */
.lib-item { display: flex; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm); cursor: pointer; border: 1px solid var(--card-border); margin-bottom: 7px; }
.lib-item:hover { background: var(--hover); }
.lib-item .t { font-weight: 600; font-size: 13px; }
.lib-item .d { font-size: 12px; color: var(--text-2); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 420px; }

/* ── 骨架屏 ── */
#skeleton-root { position: fixed; inset: 0; background: var(--bg); z-index: 999; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 14px; transition: opacity .3s; }
#skeleton-root .spin { width: 34px; height: 34px; border: 3px solid var(--hover); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
#skeleton-root .txt { color: var(--text-2); font-size: 13px; }
@keyframes spin { to { transform: rotate(360deg); } }

.empty-tip { text-align: center; color: var(--text-3); padding: 40px 0; font-size: 13px; }

.monospace { font-family: "SF Mono", Consolas, monospace; font-size: 12.5px; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-8 { gap: 8px; }
.gap-4 { gap: 4px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mb-8 { margin-bottom: 8px; }
.text-2 { color: var(--text-2); }
.text-3 { color: var(--text-3); }
.text-sm { font-size: 12.5px; }
.text-xs { font-size: 11.5px; }
.bold { font-weight: 600; }
.wrap { flex-wrap: wrap; }
.hidden { display: none !important; }

/* 响应式 */
@media (max-width: 900px) {
  #sidebar { width: 64px; min-width: 64px; }
  .sidebar-logo span { display: none; }
  .nav-item span { display: none; }
  .nav-item { justify-content: center; }
}