:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2230;
  --border: #2a3240;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #4f8cff;
  --accent-2: #2ea043;
  --danger: #f85149;
  --warn: #d29922;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #12171f, #0d1117);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 14px; }
.logo { font-size: 30px; color: var(--accent); }
.topbar h1 { margin: 0; font-size: 18px; letter-spacing: .3px; }
.topbar p { margin: 0; color: var(--muted); font-size: 12px; }

.status {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}
.status.ok { color: var(--accent-2); border-color: #1f6f34; background: #0f2417; }
.status.bad { color: var(--danger); border-color: #6e2320; background: #2a1214; }

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 20px 80px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.card h2 { margin: 0 0 6px; font-size: 15px; }
.sub { font-size: 13px; color: var(--muted); margin: 18px 0 8px; }
.hint { color: var(--muted); font-size: 12.5px; margin: 0 0 14px; }
.hint code { background: var(--panel-2); padding: 1px 5px; border-radius: 4px; }

.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

input {
  flex: 1;
  min-width: 180px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  color: var(--text);
  font-size: 13px;
  outline: none;
}
input:focus { border-color: var(--accent); }

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 9px 18px;
  font-size: 13px;
  cursor: pointer;
  transition: opacity .15s;
}
button:hover { opacity: .88; }
button:disabled { opacity: .4; cursor: not-allowed; }
button.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
button.danger { background: transparent; border: 1px solid #6e2320; color: var(--danger); }
button.mini { padding: 3px 10px; font-size: 11px; background: var(--panel-2); border: 1px solid var(--border); color: var(--muted); }

.list { margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }

.item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
}
.item .meta { min-width: 0; }
.item .title { font-size: 13px; font-weight: 600; word-break: break-all; }
.item .desc { font-size: 11.5px; color: var(--muted); word-break: break-all; }
.item .actions { display: flex; gap: 8px; flex-shrink: 0; }

.badge {
  display: inline-block;
  font-size: 11px;
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  margin-left: 8px;
}
.badge.running { color: var(--accent-2); border-color: #1f6f34; }
.badge.downloading { color: var(--warn); border-color: #6b5312; }
.badge.failed { color: var(--danger); border-color: #6e2320; }

.codeblock { display: flex; flex-direction: column; gap: 8px; }
.code-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 14px;
}
.code-row span { width: 80px; color: var(--muted); font-size: 12px; flex-shrink: 0; }
.code-row code { flex: 1; font-family: Consolas, Monaco, monospace; font-size: 12.5px; word-break: break-all; }

.pre {
  background: #0a0e14;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  font-family: Consolas, Monaco, monospace;
  font-size: 12px;
  color: #9fb4cc;
  overflow-x: auto;
  white-space: pre;
}

.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: all .25s;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { border-color: #6e2320; color: var(--danger); }