:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --text: #e6e8eb;
  --muted: #8b93a1;
  --border: #2a2f3a;
  --up: #e5484d;
  --down: #2f9e44;
  --accent: #4c8dff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; font-size: 17px; }
.topbar nav a { margin-left: 16px; }

.container { max-width: 1080px; margin: 0 auto; padding: 20px; }
.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.page-head h1 { font-size: 20px; margin: 0; }

.muted { color: var(--muted); font-size: 13px; }
.pos { color: var(--up); }
.neg { color: var(--down); }
.error { color: var(--up); }
.warn {
  background: rgba(255, 196, 0, 0.12);
  border: 1px solid rgba(255, 196, 0, 0.4);
  padding: 10px 12px;
  border-radius: 8px;
  color: #ffd666;
  font-size: 13px;
}

.btn {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.active { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }

.notice {
  background: rgba(76, 141, 255, 0.12);
  border: 1px solid rgba(76, 141, 255, 0.4);
  color: #9dc0ff;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  margin: 0 0 12px;
}

.add-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.add-form select,
.add-form input {
  padding: 7px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 14px;
}
.add-form input[name="symbol"] { flex: 1 1 240px; }
.add-form input[name="name"] { flex: 1 1 160px; }

.actions { white-space: nowrap; }
.actions form { display: inline; margin-left: 10px; }
.link-danger {
  background: none;
  border: none;
  color: var(--down);
  cursor: pointer;
  padding: 0;
  font-size: 14px;
}
.link-danger:hover { text-decoration: underline; }

table.grid { width: 100%; border-collapse: collapse; }
table.grid th, table.grid td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table.grid th { color: var(--muted); font-weight: 500; font-size: 13px; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.act-strong_buy { background: rgba(229, 72, 77, 0.2); color: #ff8a8d; }
.act-buy { background: rgba(229, 72, 77, 0.14); color: #ff9a9c; }
.act-hold { background: rgba(139, 147, 161, 0.2); color: var(--muted); }
.act-reduce { background: rgba(47, 158, 68, 0.16); color: #6bd07f; }
.act-sell { background: rgba(47, 158, 68, 0.24); color: #7ee08f; }

.score { font-size: 12px; margin-top: 4px; }

.cards { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.card {
  flex: 1 1 320px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.card-title { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.card-score { font-size: 34px; font-weight: 700; margin: 8px 0 2px; }
.card-score .unit { font-size: 14px; color: var(--muted); margin-left: 4px; }
.reasons { list-style: none; padding: 0; margin: 12px 0 0; }
.reasons li { padding: 5px 0; border-top: 1px solid var(--border); font-size: 13px; }
.risk { margin-top: 12px; }

.chart { width: 100%; height: 560px; margin-top: 12px; }

.metrics { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0; }
.metric {
  flex: 1 1 120px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
}
.metric-k { display: block; color: var(--muted); font-size: 12px; }
.metric-v { font-size: 20px; font-weight: 600; }

.login-card {
  max-width: 360px;
  margin: 12vh auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
}
.login-card h1 { margin: 0 0 16px; font-size: 20px; }
.login-card input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  margin-bottom: 12px;
}
.login-card button {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  cursor: pointer;
}
code {
  background: var(--panel-2);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
}

.disclaimer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding: 24px 16px;
}

@media (max-width: 640px) {
  .container { padding: 12px; }
  .chart { height: 420px; }
  table.grid th:nth-child(3), table.grid td:nth-child(3) { display: none; }
}