:root {
  --bg: #0f1420;
  --card: #161d2e;
  --border: #26314a;
  --text: #e8ecf5;
  --muted: #8b96ac;
  --accent: #4f7cff;
  --green: #2ecc71;
  --red: #e74c3c;
  --gray: #3a445c;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.wrap {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px;
}

.wrap.wide { max-width: 960px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  margin-top: 16px;
}

h1, h2, h3 { margin-top: 0; }

.center { text-align: center; }

label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 4px; }

input[type=text], input[type=password], input[type=time], input[type=number] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0d1220;
  color: var(--text);
  font-size: 15px;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 600;
  background: var(--accent);
  color: white;
}

button.secondary { background: var(--gray); }
button.danger { background: var(--red); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-marcar {
  width: 100%;
  padding: 26px;
  font-size: 22px;
  border-radius: 16px;
  margin-top: 20px;
}

.error { color: var(--red); font-size: 14px; margin-top: 10px; }
.msg-ok { background: rgba(46,204,113,.15); border: 1px solid var(--green); color: var(--green); padding: 14px; border-radius: 10px; margin-top: 16px; }
.msg-tarde { background: rgba(231,76,60,.15); border: 1px solid var(--red); color: var(--red); padding: 14px; border-radius: 10px; margin-top: 16px; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}

.grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 6px;
  margin-top: 14px;
}

.sq {
  aspect-ratio: 1;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: rgba(255,255,255,.85);
}
.sq.a_tiempo { background: var(--green); }
.sq.tarde { background: var(--red); }
.sq.ausente { background: #a33; }
.sq.pendiente { background: var(--accent); opacity: .6; }
.sq.futuro { background: var(--gray); opacity: .35; }

.legend { display: flex; gap: 14px; margin-top: 10px; font-size: 12px; color: var(--muted); flex-wrap: wrap; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }

table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 14px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; }
.badge { padding: 2px 8px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge.a_tiempo { background: rgba(46,204,113,.2); color: var(--green); }
.badge.tarde { background: rgba(231,76,60,.2); color: var(--red); }
.badge.sin_marcar { background: rgba(139,150,172,.2); color: var(--muted); }
.badge.no_laboral { background: rgba(139,150,172,.1); color: var(--muted); }

.days { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.day-chip {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  cursor: pointer; user-select: none; font-size: 13px; color: var(--muted);
}
.day-chip.active { background: var(--accent); color: white; border-color: var(--accent); }

.muted { color: var(--muted); font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }