:root {
  --bg: #16181d;
  --bg2: #1c1f26;
  --bg3: #23272f;
  --line: #2e333d;
  --fg: #e6e8ec;
  --dim: #8b93a3;
  --accent: #4a9eff;
  --green: #3fb950;
  --amber: #d29922;
  --red: #f85149;
  --radius: 8px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; height: 100%;
  background: var(--bg); color: var(--fg);
  font: 13px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

.app { display: flex; flex-direction: column; height: 100%; }

/* ---------- 顶栏 ---------- */
.bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: linear-gradient(180deg, var(--bg2), var(--bg));
  border-bottom: 1px solid var(--line);
  -webkit-app-region: drag;
}
.bar .actions { -webkit-app-region: no-drag; display: flex; gap: 8px; }
.brand { display: flex; align-items: center; gap: 10px; }
.logo { font-size: 22px; }
.bar h1 { margin: 0; font-size: 14px; font-weight: 600; }
.sub { margin: 0; font-size: 11px; color: var(--dim); }

/* ---------- 按钮 ---------- */
.btn {
  background: var(--bg3); color: var(--fg);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 6px 13px; font-size: 12px; cursor: pointer;
  transition: background .12s, border-color .12s;
}
.btn:hover:not(:disabled) { background: #2c313a; border-color: #3d4450; }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .4; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #04121f; font-weight: 600; }
.btn.primary:hover:not(:disabled) { background: #62acff; }
.btn.danger { color: var(--red); }
.btn.icon { padding: 6px 9px; }
.mini {
  background: none; border: 1px solid var(--line); color: var(--dim);
  border-radius: 5px; padding: 2px 8px; font-size: 11px; cursor: pointer;
}
.mini:hover { color: var(--fg); }

/* ---------- 统计条 ---------- */
.stats {
  display: flex; align-items: center; gap: 18px;
  padding: 9px 16px; background: var(--bg2);
  border-bottom: 1px solid var(--line); font-size: 11px;
}
.stat { display: flex; align-items: baseline; gap: 5px; color: var(--dim); }
.stat b { font-size: 14px; color: var(--fg); font-variant-numeric: tabular-nums; }
.stat.queued b { color: var(--dim); }
.stat.running b { color: var(--accent); }
.stat.done b { color: var(--green); }
.stat.failed b { color: var(--red); }
.progress-wrap { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.pbar { width: 200px; height: 5px; background: var(--bg3); border-radius: 3px; overflow: hidden; }
.pbar i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .25s; }

/* ---------- 任务表 ---------- */
.main { flex: 1; overflow: auto; position: relative; }
.tasks { width: 100%; border-collapse: collapse; }
.tasks thead th {
  position: sticky; top: 0; z-index: 2;
  background: var(--bg2); text-align: left; font-weight: 500;
  color: var(--dim); font-size: 11px;
  padding: 8px 10px; border-bottom: 1px solid var(--line);
}
.tasks td { padding: 8px 10px; border-bottom: 1px solid #21252c; vertical-align: middle; }
.tasks tr:hover td { background: #1b1e25; }
.c-sel { width: 30px; }
.c-gid { width: 80px; font-variant-numeric: tabular-nums; color: var(--dim); }
.c-prog { width: 190px; }
.c-stat { width: 80px; }
.c-act { width: 110px; text-align: right; white-space: nowrap; }

.title-cell { display: flex; flex-direction: column; gap: 2px; }
.title-cell .t { font-size: 12px; }
.title-cell .e { font-size: 10.5px; color: var(--red); }

.rowprog { display: flex; align-items: center; gap: 8px; }
.rowprog .rb { flex: 1; height: 4px; background: var(--bg3); border-radius: 2px; overflow: hidden; }
.rowprog .rb i { display: block; height: 100%; background: var(--accent); }
.rowprog .rn { font-size: 10.5px; color: var(--dim); font-variant-numeric: tabular-nums; min-width: 62px; text-align: right; }

.badge { display: inline-block; padding: 2px 7px; border-radius: 20px; font-size: 10.5px; }
.b-queued { background: #2a2f38; color: var(--dim); }
.b-running { background: rgba(74,158,255,.15); color: var(--accent); }
.b-done { background: rgba(63,185,80,.15); color: var(--green); }
.b-failed { background: rgba(248,81,73,.15); color: var(--red); }
.b-partial { background: rgba(210,153,34,.15); color: var(--amber); }

.empty { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.empty[hidden] { display: none; }
.empty-inner { text-align: center; color: var(--dim); }
.empty .big { font-size: 15px; color: var(--fg); margin: 0 0 6px; }
.empty code, .hint code { background: var(--bg3); padding: 1px 5px; border-radius: 4px; font-size: 11px; }
.dim { font-size: 11px; opacity: .7; }

/* ---------- 日志 ---------- */
.logpane { border-top: 1px solid var(--line); background: var(--bg2); flex-shrink: 0; }
.log-head {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 14px; font-size: 11px; color: var(--dim); cursor: pointer;
}
.log-head .spacer { flex: 1; }
.log-count { font-variant-numeric: tabular-nums; }
.log-body {
  height: 0; overflow-y: auto; padding: 0 14px;
  font: 11px/1.6 ui-monospace, SFMono-Regular, Menlo, monospace;
  transition: height .18s ease;
}
.logpane.open .log-body { height: 168px; padding: 4px 14px 10px; }
.logpane.open .caret { transform: rotate(90deg); }
.log-line { white-space: pre-wrap; word-break: break-all; }
.log-line .t { color: #555d6b; margin-right: 7px; }
.log-line.info { color: var(--dim); }
.log-line.warn { color: var(--amber); }
.log-line.error { color: var(--red); }
.log-line.ok { color: var(--green); }

/* ---------- 弹窗 ---------- */
.modal {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(0,0,0,.55);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(3px);
}
.modal[hidden] { display: none; }
.sheet {
  width: 540px; max-width: 92vw; max-height: 86vh; overflow: auto;
  background: var(--bg2); border: 1px solid var(--line);
  border-radius: 12px; padding: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.sheet.narrow { width: 400px; }
.sheet h2 { margin: 0 0 4px; font-size: 15px; }
.hint { margin: 0 0 12px; font-size: 11px; color: var(--dim); }
#cf-body { font-size: 12px; color: var(--fg); line-height: 1.65; }
.btn.danger:disabled { opacity: .35; }
.sheet textarea {
  width: 100%; height: 190px; resize: vertical;
  background: var(--bg); color: var(--fg);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 10px; font: 12px/1.6 ui-monospace, Menlo, monospace;
}
.sheet textarea:focus, .sheet input:focus, .sheet select:focus {
  outline: none; border-color: var(--accent);
}
.row { display: flex; gap: 8px; align-items: center; margin-top: 10px; }
.sheet-foot { display: flex; gap: 8px; justify-content: flex-end; align-items: center; margin-top: 16px; }
.sheet-foot .msg { flex: 1; font-size: 11px; color: var(--amber); }

.field { display: block; margin-bottom: 16px; }
.field > span { display: block; margin-bottom: 6px; font-size: 12px; }
.field small { display: block; margin-top: 5px; font-size: 10.5px; color: var(--dim); line-height: 1.5; }
.field input[type=text], .field select {
  width: 100%; background: var(--bg); color: var(--fg);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 7px 10px; font-size: 12px;
}
.field input[type=range] { width: 100%; accent-color: var(--accent); }
.field .row input[type=text] { flex: 1; }

.presets { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.presets button {
  background: var(--bg); color: var(--dim);
  border: 1px solid var(--line); border-radius: 20px;
  padding: 3px 11px; font-size: 11px; cursor: pointer;
  font-family: ui-monospace, Menlo, monospace;
}
.presets button:hover { color: var(--fg); border-color: var(--accent); }
.presets button.on { color: var(--accent); border-color: var(--accent); }
#dir-preview {
  font-family: ui-monospace, Menlo, monospace;
  color: var(--green) !important;
  word-break: break-all;
}
code { background: var(--bg3); padding: 1px 5px; border-radius: 4px; font-size: 10.5px; }