:root {
  --bg: #0b0d11;
  --panel: #14181f;
  --panel-2: #1b2129;
  --line: #242b35;
  --text: #e8edf2;
  --muted: #8a94a5;
  --accent: #1f6feb;
  --on:      #1f8b4c;
  --off:     #3b4250;
  --no_show: #c0392b;
  --swap:    #c9a227;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font: 15px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased; }
body { padding-bottom: env(safe-area-inset-bottom); }

.topbar {
  position: sticky; top: 0; z-index: 5;
  display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: .5rem;
  padding: .55rem .8rem; background: var(--panel); border-bottom: 1px solid var(--line);
  padding-top: calc(.55rem + env(safe-area-inset-top));
}
.brand { font-weight: 700; letter-spacing: .04em; color: var(--accent); }
.meta { color: var(--muted); font-size: .85rem; text-align: center; }
.meta .sep { padding: 0 .35rem; }
.nav { background: var(--panel-2); color: var(--text); border: 1px solid var(--line);
  width: 2.1rem; height: 2.1rem; border-radius: .4rem; font-size: 1.1rem; cursor: pointer; }
.nav:active { background: var(--line); }

main { padding: .8rem; max-width: 1100px; margin: 0 auto; }
.status { padding: 1rem; text-align: center; color: var(--muted); }
.shift-block { margin-bottom: 1.2rem; }
.shift-block h2 { font-size: .9rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--muted); margin: .3rem 0 .5rem; }

.grid {
  display: grid; gap: 2px; background: var(--line);
  border: 1px solid var(--line); border-radius: .5rem; overflow: hidden;
  grid-template-columns: 6.5rem repeat(7, minmax(2.4rem, 1fr));
}
.cell, .head {
  background: var(--panel); padding: .35rem .35rem; font-size: .78rem;
  display: flex; align-items: center; justify-content: center; min-height: 2.1rem;
}
.head { background: var(--panel-2); font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: .05em; font-size: .68rem; flex-direction: column; }
.head .dow  { color: var(--text); }
.head .date { font-size: .65rem; opacity: .65; }
.cell.name { background: var(--panel-2); justify-content: flex-start;
  font-weight: 600; padding-left: .55rem; font-size: .82rem; }
.cell.name .role { font-size: .62rem; color: var(--muted); font-weight: 400; margin-left: .3rem; }

.cell.status-on      { background: var(--on); color: #eafbe7; }
.cell.status-off     { background: var(--off); color: var(--muted); }
.cell.status-no_show { background: var(--no_show); color: #fff; }
.cell.status-vacation{ background: #2c4a8b; color: #cfe0ff; }
.cell.status-sick    { background: #6a3b9a; color: #f0e0ff; }
.cell.status-swap_pending,
.cell.swap           { background: var(--swap); color: #2a1f00; }
.cell.empty          { background: var(--panel); color: var(--muted); opacity: .35; }

.legend { display: flex; gap: 1rem; justify-content: center; padding: .8rem;
  color: var(--muted); font-size: .78rem; flex-wrap: wrap; }
.legend i.dot { display: inline-block; width: .7rem; height: .7rem; border-radius: 50%;
  vertical-align: middle; margin-right: .3rem; }
.legend .on { background: var(--on); }
.legend .off { background: var(--off); }
.legend .no_show { background: var(--no_show); }
.legend .swap { background: var(--swap); }

.status.error { color: var(--no_show); }

@media (max-width: 520px) {
  .grid { grid-template-columns: 4.6rem repeat(7, minmax(1.8rem, 1fr)); }
  .cell, .head { font-size: .7rem; padding: .25rem .15rem; }
  .cell.name { font-size: .72rem; padding-left: .35rem; }
  .cell.name .role { display: none; }
}