:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --text: #e7ecf1;
  --muted: #93a1b0;
  --accent: #3d9cf0;
  --ok: #3ecf8e;
  --warn: #f0b429;
  --danger: #f07178;
  --line: #2a3542;
  --radius: 12px;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 10% -10%, #1b2a3a, var(--bg));
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
.login {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}
.card {
  width: min(380px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: grid;
  gap: 14px;
}
.card h1 { margin: 0 0 4px; font-size: 1.25rem; }
label { display: grid; gap: 6px; font-size: 0.9rem; color: var(--muted); }
input {
  border: 1px solid var(--line);
  background: #10161d;
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
}
button, .btn {
  border: 0;
  background: var(--accent);
  color: #041018;
  font-weight: 600;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
}
button.secondary { background: #2a3542; color: var(--text); }
.error { color: var(--danger); margin: 0; }

.shell { max-width: 1100px; margin: 0 auto; padding: 20px 16px 48px; }
.top {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.nav { display: flex; gap: 8px; flex-wrap: wrap; }
.nav a, .nav button {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
}
.nav a.active { border-color: var(--accent); color: var(--accent); }
.status { color: var(--muted); font-size: 0.9rem; }

.folder {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
}
.folder > summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.folder > summary::-webkit-details-marker { display: none; }
.folder[open] > summary { border-bottom: 1px solid var(--line); }
.muted { color: var(--muted); font-weight: 400; font-size: 0.9rem; }
.tasks { padding: 8px 16px 14px; display: grid; gap: 8px; }
.task {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #121920;
  border: 1px solid var(--line);
}
.badge {
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 999px;
  align-self: start;
  background: #243041;
  color: var(--muted);
}
.badge.ready { color: var(--ok); }
.badge.needs_input, .badge.claimed, .badge.in_progress { color: var(--warn); }
.badge.failed { color: var(--danger); }

.cal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}
.cal-grid .dow {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 6px 0;
}
.day {
  min-height: 88px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  font-size: 0.8rem;
}
.day.empty { opacity: 0.35; }
.day .n { color: var(--muted); margin-bottom: 6px; }
.day .ev {
  display: block;
  margin-top: 4px;
  padding: 3px 5px;
  border-radius: 5px;
  background: #203246;
  color: var(--text);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

@media (max-width: 720px) {
  .cal-grid { grid-template-columns: repeat(2, 1fr); }
  .cal-grid .dow { display: none; }
  .day { min-height: 72px; }
}