:root {
  --bg: #0d1117;
  --card: #161b22;
  --border: #2d333b;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #f78166;
  --ok: #3fb950;
  --err: #f85149;
  --gap: 24px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--accent);
}
.brand span {
  color: var(--text);
  font-weight: 400;
  letter-spacing: 0;
  font-size: 0.95rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.me { color: var(--muted); font-size: 0.9rem; }
.me b { color: var(--text); }

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}
.nav-link:hover { color: var(--text); }

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 60px;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

main.narrow { max-width: 560px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.card h1 { margin: 0 0 6px; font-size: 1.4rem; }
.card h2 { margin: 0 0 14px; font-size: 1.05rem; }

.muted { color: var(--muted); margin: 8px 0; font-size: 0.9rem; }
.error { color: var(--err); margin: 8px 0 0; font-size: 0.9rem; min-height: 1em; }
.ok { color: var(--ok); margin: 8px 0 0; font-size: 0.9rem; min-height: 1em; }

.hidden { display: none !important; }

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

input, select {
  flex: 1;
  min-width: 160px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.95rem;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  background: var(--accent);
  color: #1a0d09;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  padding: 10px 18px;
  font-size: 0.95rem;
  cursor: pointer;
}
button:hover { filter: brightness(1.1); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
@media (max-width: 760px) { .grid { grid-template-columns: 1fr; } }

.list, .feed {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: rank;
}

.list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 7px 4px;
  border-bottom: 1px solid var(--border);
}
.list li:last-child { border-bottom: none; }
.list li::before {
  counter-increment: rank;
  content: counter(rank);
  color: var(--muted);
  width: 1.4em;
  text-align: right;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}
.list .n {
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.feed li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 7px 4px;
  border-bottom: 1px solid var(--border);
}
.feed li:last-child { border-bottom: none; }
.feed time { color: var(--muted); font-size: 0.85rem; flex-shrink: 0; }

.empty { color: var(--muted); font-style: italic; }
.list .empty::before { content: none; }

.logout {
  display: inline-block;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}
.logout:hover { color: var(--err); }