:root {
  --bg: #f8f6f1;
  --ink: #1f2a33;
  --accent: #1a936f;
  --accent-2: #0f5c45;
  --card: #ffffff;
  --muted: #5d6a73;
  --danger: #b4202a;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 20% 10%, #ffffff, var(--bg) 52%);
}

.hidden { display: none !important; }
.button, button {
  border: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .button:hover { background: var(--accent-2); }

.auth-gate {
  max-width: 440px;
  margin: 10vh auto;
  background: var(--card);
  padding: 2rem;
  border-radius: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}

.app { padding: 1rem 1.2rem 2rem; }
.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}
.topbar h1 { margin: 0; font-size: 1.6rem; }
.topbar p { margin: 0.3rem 0 0; color: var(--muted); }
.topbar-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.filters { margin: 0.6rem 0 1rem; display: flex; gap: 0.5rem; }
.filters .active { background: #114f3e; }

.layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 1rem; }

.calendar {
  display: grid;
  grid-template-columns: repeat(7, minmax(80px, 1fr));
  gap: 0.45rem;
}
.day {
  background: var(--card);
  border-radius: 10px;
  min-height: 88px;
  padding: 0.45rem;
  border: 1px solid #dbe3e7;
  cursor: pointer;
}
.day.selected { outline: 2px solid var(--accent); }
.day .date { font-weight: 700; font-size: 0.92rem; }
.badges { margin-top: 0.35rem; display: flex; gap: 0.25rem; flex-wrap: wrap; }
.badge {
  font-size: 0.75rem;
  padding: 0.16rem 0.3rem;
  border-radius: 6px;
  color: #fff;
}
.badge.a { background: #2d7dd2; }
.badge.b { background: #c46b15; }
.badge.warn { background: var(--danger); }

.panel {
  background: var(--card);
  border-radius: 12px;
  border: 1px solid #dbe3e7;
  padding: 0.8rem;
}
.warning { color: var(--danger); font-weight: 600; min-height: 1.2rem; }
.slot-card {
  border: 1px solid #dbe3e7;
  border-radius: 10px;
  padding: 0.6rem;
  margin-bottom: 0.7rem;
}
.slot-card h3 { margin: 0 0 0.3rem; text-transform: uppercase; }
.preview {
  width: min(100%, 360px);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
  margin: 0 auto 0.5rem;
  display: block;
}
.slot-card label { display: block; font-size: 0.85rem; margin: 0.35rem 0; color: #34434c; }
.slot-card input, .slot-card textarea, .slot-card select {
  width: 100%;
  padding: 0.42rem;
  border-radius: 8px;
  border: 1px solid #ced8de;
  margin-top: 0.25rem;
}
.slot-actions { display: flex; gap: 0.4rem; margin-top: 0.5rem; }
.slot-msg { min-height: 1.2rem; font-size: 0.85rem; color: var(--muted); }

#activity { margin: 0; padding-left: 1rem; max-height: 250px; overflow: auto; }
#activity li { margin-bottom: 0.35rem; font-size: 0.88rem; }

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .calendar { grid-template-columns: repeat(4, minmax(70px, 1fr)); }
}

@media (max-width: 620px) {
  .calendar { grid-template-columns: repeat(2, minmax(90px, 1fr)); }
}