:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel2: #1e232d;
  --text: #e6e9ef;
  --muted: #8b93a3;
  --accent: #5b9dff;
  --ok: #3ecf8e;
  --danger: #e5534b;
  --border: #2a303c;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.nav .brand { font-weight: 700; color: var(--text); font-size: 1.05rem; }
.nav-right a { margin-left: 16px; color: var(--muted); }
.container { max-width: 860px; margin: 0 auto; padding: 24px 16px 60px; }
.footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 20px; }
.muted { color: var(--muted); }
.error { color: var(--danger); }

.center-page { display: flex; min-height: 100vh; align-items: center; justify-content: center; }
.login-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 36px 32px; width: 320px; text-align: center;
}
.login-card h1 { margin: 0 0 4px; font-size: 1.4rem; }
.login-card input {
  width: 100%; padding: 10px 12px; margin: 12px 0; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel2); color: var(--text);
}
.login-card button {
  width: 100%; padding: 10px; border: none; border-radius: 8px;
  background: var(--accent); color: #fff; font-size: 1rem; cursor: pointer;
}

button {
  padding: 8px 14px; border: none; border-radius: 8px; cursor: pointer;
  background: var(--accent); color: #fff; font-size: .9rem;
}
button.danger { background: var(--danger); }
input, select {
  padding: 8px 10px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--panel2); color: var(--text); font-size: .9rem;
}

.page-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.page-head h1 { margin: 0; font-size: 1.3rem; }
.filter select { min-width: 180px; }
.back { color: var(--muted); }

.badge {
  display: inline-block; min-width: 20px; padding: 1px 7px; border-radius: 10px;
  background: var(--danger); color: #fff; font-size: .75rem; text-align: center;
}
.brief-list { display: flex; flex-direction: column; gap: 10px; }
.brief-item {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 18px; color: var(--text);
}
.brief-item:hover { border-color: var(--accent); text-decoration: none; }
.brief-item.unread { border-left: 3px solid var(--accent); }
.brief-main { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.brief-main .kw { font-weight: 600; }
.brief-main .date { color: var(--muted); font-size: .9rem; }
.dot {
  background: var(--accent); color: #fff; border-radius: 4px;
  font-size: .72rem; padding: 1px 6px;
}
.empty {
  background: var(--panel); border: 1px dashed var(--border); border-radius: 10px;
  padding: 28px; text-align: center; color: var(--muted);
}
.notice {
  background: var(--panel2); border: 1px solid var(--accent); border-radius: 10px;
  padding: 12px 16px; margin-bottom: 16px;
}

.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 20px; margin-bottom: 20px;
}
.card h2 { margin-top: 0; font-size: 1.05rem; }
.kw-form, .kw-row {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; align-items: center;
}
.kw-form input { flex: 1; min-width: 130px; }
.kw-row input { flex: 1; min-width: 110px; }
.switch { color: var(--muted); font-size: .85rem; display: flex; gap: 4px; align-items: center; }
.inline-del { display: inline; }

table { width: 100%; border-collapse: collapse; font-size: .85rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
td.ok { color: var(--ok); }
td.fail { color: var(--danger); }

.brief-content {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 28px 30px;
}
.brief-content h2 { font-size: 1.1rem; margin-top: 26px; color: var(--accent); }
.brief-content p { margin: 10px 0; }
.brief-content ol, .brief-content ul { padding-left: 22px; }

@media (max-width: 640px) {
  .container { padding: 16px 10px 50px; }
  .brief-content { padding: 18px 16px; }
  .kw-form input, .kw-row input { min-width: 100px; }
}