:root {
  --bg: #0f1419;
  --panel: #171d25;
  --line: #2a3441;
  --text: #e8eef5;
  --muted: #8b9aab;
  --accent: #3db8a0;
  --accent-ink: #06241e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "IBM Plex Sans", "PingFang SC", "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(61, 184, 160, 0.16), transparent),
    radial-gradient(900px 500px at 100% 0%, rgba(70, 120, 200, 0.12), transparent),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
.top {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(23, 29, 37, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; letter-spacing: 0.04em; color: var(--text); }
.top nav { display: flex; gap: 14px; flex: 1; }
.top nav a { color: var(--muted); }
.top nav a:hover { color: var(--text); }
.auth-slot { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--muted); }
.auth-slot button, .search button, .btn {
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  border-radius: 8px;
  padding: 8px 12px;
  font-weight: 600;
  cursor: pointer;
}
.auth-slot .ghost, .btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.wrap { max-width: 980px; margin: 0 auto; padding: 32px 20px 64px; }
.wrap.narrow { max-width: 640px; }
.hero h1 { font-size: 36px; margin: 0 0 8px; letter-spacing: -0.02em; }
.hero p { color: var(--muted); margin: 0 0 20px; line-height: 1.5; }
.search { display: flex; gap: 8px; }
.search input, .auth-form input {
  flex: 1;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
}
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin-top: 28px; }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card h3 { margin: 0; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.4; flex: 1; }
.card .meta { font-size: 12px; color: var(--muted); }
.muted { color: var(--muted); }
.hidden { display: none !important; }
.detail {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
}
.detail h1 { margin-top: 0; }
.detail .actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.msg { color: #f0a0a0; min-height: 1.2em; font-size: 13px; }
.msg.ok { color: var(--accent); }
dialog {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
  padding: 0;
  width: min(400px, 92vw);
}
.auth-form { display: flex; flex-direction: column; gap: 10px; padding: 20px; }
.auth-form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.auth-form .row { display: flex; gap: 8px; flex-wrap: wrap; }
.table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 13px; }
.table th, .table td { border-bottom: 1px solid var(--line); padding: 10px 8px; text-align: left; }
.table button { font-size: 12px; padding: 4px 8px; }
.mine-tabs { display: flex; gap: 8px; margin: 16px 0; }
.mine-tabs button {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
}
.mine-tabs button.active {
  color: var(--text);
  border-color: var(--accent);
}
@media (max-width: 640px) {
  .hero h1 { font-size: 28px; }
  .top { flex-wrap: wrap; }
}