:root {
  --bg: #0d1117; --panel: #161b22; --border: #2d333b;
  --text: #e6edf3; --muted: #8b949e;
  --accent: #2f81f7; --accent-hover: #1f6feb;
  --green: #3fb950; --red: #f85149; --yellow: #d29922;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  min-height: 100vh; display: flex; flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 24px; border-bottom: 1px solid var(--border); background: var(--panel);
}
.brand { font-size: 18px; font-weight: 700; color: var(--text); }
.brand:hover { text-decoration: none; }
.nav-right { display: flex; gap: 16px; align-items: center; }

.container { flex: 1; width: 100%; max-width: 960px; margin: 0 auto; padding: 32px 20px; }

.hero { text-align: center; padding: 56px 0 40px; }
.hero h1 { font-size: 40px; line-height: 1.3; margin-bottom: 16px; }
.hero .sub { color: var(--muted); font-size: 17px; max-width: 640px; margin: 0 auto 28px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin-top: 24px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.card h3 { margin-bottom: 8px; font-size: 16px; }
.card p { color: var(--muted); font-size: 14px; line-height: 1.6; }

.btn {
  display: inline-block; background: var(--accent); color: #fff; border: none;
  padding: 9px 18px; border-radius: 8px; font-size: 15px; cursor: pointer;
}
.btn:hover { background: var(--accent-hover); text-decoration: none; }
.btn-lg { padding: 12px 26px; font-size: 16px; }
.btn-sm { padding: 5px 12px; font-size: 13px; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--panel); }

.auth-box { max-width: 380px; margin: 48px auto; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.auth-box h2 { margin-bottom: 18px; }
.auth-box label { display: block; margin-bottom: 14px; font-size: 14px; color: var(--muted); }
.auth-box input {
  display: block; width: 100%; margin-top: 6px; padding: 9px 12px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 15px;
}
.auth-box .btn { width: 100%; margin: 8px 0 14px; }

.analyze-form { display: flex; gap: 10px; margin: 16px 0 40px; flex-wrap: wrap; }
.analyze-form input {
  flex: 1; min-width: 260px; padding: 10px 14px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 15px;
}
.analyze-form select {
  padding: 10px 12px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: 15px;
}

table.jobs { width: 100%; border-collapse: collapse; font-size: 14px; }
table.jobs th, table.jobs td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
table.jobs th { color: var(--muted); font-weight: 500; }
.ticker { font-weight: 600; }
.oneliner { color: var(--muted); max-width: 260px; }

.status { padding: 3px 10px; border-radius: 999px; font-size: 12px; }
.status-queued { background: rgba(210,153,34,.15); color: var(--yellow); }
.status-running { background: rgba(47,129,247,.15); color: var(--accent); }
.status-done { background: rgba(63,185,80,.15); color: var(--green); }
.status-failed { background: rgba(248,81,73,.15); color: var(--red); }

.job-box { max-width: 620px; margin: 32px auto; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.status-line { display: flex; align-items: center; gap: 10px; font-size: 17px; margin: 18px 0 8px; }
.spinner {
  width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .8s linear infinite; flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error { color: var(--red); font-size: 14px; margin: 10px 0; white-space: pre-wrap; }
.muted { color: var(--muted); font-size: 14px; }

.footer { text-align: center; padding: 24px; border-top: 1px solid var(--border); }
.footer p { font-size: 13px; color: var(--muted); margin: 4px 0; }

/* ─── 移动端适配 ─── */
@media (max-width: 720px) {
  .nav { padding: 10px 14px; flex-wrap: wrap; gap: 8px; }
  .brand { font-size: 16px; }
  .nav-right { gap: 12px; font-size: 14px; }

  .container { padding: 20px 14px; }

  .hero { padding: 32px 0 24px; }
  .hero h1 { font-size: 26px; }
  .hero .sub { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { text-align: center; }

  .auth-box { margin: 20px auto; padding: 20px; }
  .job-box { margin: 16px auto; padding: 20px; }

  .analyze-form { flex-direction: column; }
  .analyze-form input, .analyze-form select, .analyze-form .btn { width: 100%; min-width: 0; }

  /* 表格横向滚动，避免挤爆屏幕 */
  table.jobs { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table.jobs th, table.jobs td { white-space: nowrap; }
  .oneliner { max-width: 200px; overflow: hidden; text-overflow: ellipsis; }
}