:root {
  --bg: #f5f7f4;
  --card: #ffffff;
  --text: #173222;
  --muted: #5d7266;
  --green: #daf5df;
  --green-border: #7dc78b;
  --red: #f9dada;
  --red-border: #d46868;
  --line: #d6e1d9;
  --soft: #eef4ef;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.site-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: white;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-actions {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.session-bar {
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--soft);
}
.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1rem;
  padding: 1rem;
}
.filters, .event-card, .calendar-grid, dialog form, #dayDialogContent {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.04);
}
.filters {
  padding: 1rem;
  height: fit-content;
}
.filters label, dialog label {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.8rem;
}
input, select, textarea, button {
  font: inherit;
}
input, select, textarea {
  padding: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 10px;
}
button {
  padding: 0.7rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: white;
  cursor: pointer;
}
button.primary, button.active {
  background: #173222;
  color: white;
  border-color: #173222;
}
button.danger {
  border-color: var(--red-border);
}
#listView {
  display: grid;
  gap: 1rem;
}
.event-card {
  padding: 1rem;
}
.event-card.active-event {
  background: var(--green);
  border-color: var(--green-border);
}
.event-card.canceled-event {
  background: var(--red);
  border-color: var(--red-border);
}
.card-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}
.card-meta p {
  margin: 0.2rem 0;
}
.card-actions, .row, .toggle-row, .occurrence-row {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
}
.muted-text {
  color: var(--muted);
}
.small-note {
  color: var(--muted);
  font-size: 0.92rem;
}
.hidden { display: none !important; }
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
  overflow: hidden;
}
.cal-cell {
  min-height: 130px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 0.5rem;
  background: white;
}
.cal-cell h4 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
}
.cal-stack {
  display: grid;
  gap: 0.35rem;
}
.cal-pill {
  padding: 0.35rem 0.45rem;
  border-radius: 8px;
  font-size: 0.82rem;
  cursor: pointer;
}
.cal-pill.active-pill { background: var(--green); }
.cal-pill.canceled-pill { background: var(--red); }
.occurrence-badge {
  display: inline-block;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,0.08);
  background: rgba(255,255,255,0.65);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}
.owner-tools {
  position: relative;
}
.hover-tools {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}
.owner-tools:hover .hover-tools,
.owner-tools:focus-within .hover-tools {
  opacity: 1;
  pointer-events: auto;
}
.empty-state {
  padding: 1.5rem;
  border: 1px dashed var(--line);
  border-radius: 16px;
  background: white;
}
dialog {
  border: none;
  border-radius: 16px;
  width: min(720px, 92vw);
}
dialog form, #dayDialogContent {
  padding: 1rem;
}
.padded-top {
  padding-top: 0.75rem;
}
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .card-top { flex-direction: column; }
}