:root {
  color-scheme: light dark;
  --bg: #f5f5f4;
  --card: #ffffff;
  --text: #1c1c1c;
  --muted: #6b6b6b;
  --accent: #2f6fed;
  --border: #e2e2e0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16161a;
    --card: #202024;
    --text: #ececec;
    --muted: #9a9a9a;
    --border: #2f2f34;
  }
}

* {
  box-sizing: border-box;
}

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

.wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 24px 16px 80px;
}

header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 8px;
}

h1 {
  font-size: 1.4rem;
  margin: 0;
}

.muted {
  color: var(--muted);
  font-size: 0.85rem;
}

.login-box {
  max-width: 360px;
  margin: 15vh auto 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}

.login-box h1 {
  margin-bottom: 16px;
}

input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 12px;
}

button, .btn {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 0.95rem;
  cursor: pointer;
}

button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.error {
  color: #d33;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.chip {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  cursor: pointer;
  background: var(--card);
  color: var(--text);
}

.chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.mention {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

.mention.read {
  opacity: 0.55;
}

.mention-title {
  font-weight: 600;
  text-decoration: none;
  color: var(--text);
}

.mention-meta {
  margin-top: 6px;
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 0.78rem;
  color: var(--muted);
}

.tag {
  background: var(--bg);
  border-radius: 6px;
  padding: 2px 8px;
}

.mention-actions {
  margin-top: 8px;
}

.mention-actions button {
  padding: 4px 10px;
  font-size: 0.75rem;
}

.empty {
  color: var(--muted);
  text-align: center;
  padding: 40px 0;
}