:root {
  --bg: #101014; --card: #1b1b22; --line: #2a2a33;
  --text: #e8e8ee; --dim: #8a8a96;
  --up: #ff5254; --down: #2ecc71; --accent: #ff5254;
}
* { box-sizing: border-box; margin: 0; }
body { background: var(--bg); color: var(--text);
  font: 15px/1.6 -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 12px 14px 60px; }
nav { display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; border-bottom: 1px solid var(--line); }
.logo { font-weight: 600; }
.nav-links a, .nav-links button { color: var(--dim); margin-left: 12px;
  text-decoration: none; font-size: 14px; }
.inline { display: inline; }
button.ghost { background: none; border: none; cursor: pointer; }
h3 { margin: 18px 0 8px; font-size: 15px; }
h3 small { color: var(--dim); font-weight: 400; margin-left: 6px; font-size: 12px; }
.card { background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px; margin: 10px 0; }
.summary { white-space: pre-wrap; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.cell { background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px; }
.cell .name { color: var(--dim); font-size: 13px; }
.cell .val { font-size: 17px; font-weight: 600; margin: 2px 0; }
.up { color: var(--up); } .down { color: var(--down); } .flat { color: var(--dim); }
.sector summary { display: flex; justify-content: space-between; cursor: pointer;
  list-style: none; }
.sector summary::-webkit-details-marker { display: none; }
.sector .conf { color: var(--dim); font-size: 12px; margin-top: 6px; }
.sector .reason { font-size: 13px; margin-top: 4px; }
.factor { font-size: 12px; color: var(--dim); border-top: 1px dashed var(--line);
  padding-top: 4px; margin-top: 4px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--dim); font-weight: 400; }
.dim { color: var(--dim); }
.badge { font-size: 11px; border: 1px solid var(--accent); color: var(--accent);
  border-radius: 6px; padding: 1px 6px; }
.link-card a { color: var(--accent); text-decoration: none; }
footer { position: fixed; bottom: 0; left: 0; right: 0; text-align: center;
  font-size: 11px; color: var(--dim); background: var(--bg);
  border-top: 1px solid var(--line); padding: 6px; }
.center-page { display: flex; min-height: 100vh; min-height: 100dvh;
  align-items: center; justify-content: center; }
.login-card { width: min(300px, 86vw); display: flex; flex-direction: column;
  gap: 10px; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5); }
.login-card h2 { text-align: center; font-size: 17px; }
input { background: #141419; color: var(--text); border: 1px solid #3a3a47;
  border-radius: 8px; padding: 10px; font-size: 16px; }
input::placeholder { color: #6a6a78; }
input:focus { outline: 1px solid var(--accent); }
.login-card button { background: var(--accent); color: #fff; border: none;
  border-radius: 8px; padding: 10px; cursor: pointer; }
.err { color: var(--up); font-size: 13px; }
.tip { color: var(--dim); font-size: 12px; text-align: center; }