:root {
  color-scheme: dark;
  --bg: #0d0f13;
  --surface: #16191f;
  --surface-alt: #1c2028;
  --border: #2a2f39;
  --text: #e6e8eb;
  --text-muted: #8b93a1;
  --primary: #4f8cff;
  --primary-dark: #3f74d9;
  --warn: #f5b94f;
  --danger: #ff5c5c;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 20px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 1100px;
  margin: 0 auto;
}

.header-row h1 {
  font-size: 1.25rem;
  margin: 0;
}

.mobile-link {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-decoration: none;
}

.mobile-link:hover {
  color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 16px;
  align-items: start;
}

@media (max-width: 800px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.admin-layout {
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 800px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }
}

.admin-layout .card h3 {
  margin: 16px 0 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.admin-layout .user-filter-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 76px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.card h2 {
  margin: 0 0 12px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.field-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.field-row[hidden] {
  display: none;
}

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.checkbox-inline {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text);
}

.checkbox-inline input {
  width: auto;
}

input,
select,
textarea {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 0.95rem;
  width: 100%;
  font-family: inherit;
}

input[type="color"] {
  padding: 2px;
  height: 36px;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-preset {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.85rem;
  cursor: pointer;
}

.btn-preset:hover {
  border-color: var(--primary);
}

.hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 4px 0 0;
}

.hint-warn {
  color: var(--warn);
}

.add-user summary {
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.member-search {
  margin-bottom: 8px;
}

.user-filter-list {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.user-filter-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.user-filter-list input {
  width: auto;
}

.user-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}

.schedule-toolbar {
  margin-bottom: 12px;
}

.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.date-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.date-group.is-today {
  border-color: var(--primary);
}

.date-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  color: var(--text);
  padding: 12px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.date-header:hover {
  background: var(--surface-alt);
}

.date-header .count {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.date-header .chevron {
  transition: transform 0.15s ease;
  color: var(--text-muted);
}

.date-group.is-open .chevron {
  transform: rotate(90deg);
}

.date-body {
  border-top: 1px solid var(--border);
  padding: 8px 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.event-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--surface-alt);
  border-left: 3px solid var(--primary);
}

.event-main {
  flex: 1;
  min-width: 0;
}

.event-title {
  font-weight: 600;
}

.event-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.event-memo {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
  white-space: pre-wrap;
}

.event-actions {
  display: flex;
  gap: 4px;
}

.icon-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 2px 6px;
  border-radius: 4px;
}

.icon-btn:hover {
  color: var(--text);
  background: var(--border);
}

.icon-btn.danger:hover {
  color: var(--danger);
}

.attendee-picker {
  position: relative;
}

.picker-results {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 30;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-top: 4px;
  max-height: 220px;
  overflow-y: auto;
}

.picker-result {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 0.85rem;
  text-align: left;
  cursor: pointer;
}

.picker-result:hover {
  background: var(--border);
}

.attendee-selected {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 0;
}

.attendee-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  padding: 3px 6px 3px 10px;
  border-radius: 999px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text);
}

.chip-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  padding: 2px 4px;
}

.chip-remove:hover {
  color: var(--danger);
}

.attendee-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.attendee-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
}