:root {
  --bg: #f4f8f9;
  --surface: #ffffff;
  --ink: #1f2f35;
  --muted: #5a6c73;
  --accent: #11644b;
  --accent-active: #0d4f3b;
  --border: #d5dde1;
  --danger: #8f1f1f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #f2f7f8 0%, #ebf1f5 100%);
  color: var(--ink);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 0.8rem 0.8rem 7.8rem;
}

.site-header {
  position: sticky;
  top: 0;
  background: #11384a;
  z-index: 100;
}

.header-inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand,
.top-link {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.logout-form {
  margin: 0;
}

.top-link-btn {
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  font: inherit;
}

.controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
  margin-bottom: 0.8rem;
}

.mode-toggle,
.view-toggle {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.mode-btn,
.view-btn {
  min-height: 46px;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  background: #fff;
  font-weight: 700;
  font-size: 0.98rem;
}

.mode-btn.active {
  background: #e9f5ef;
  border-color: #2a7b60;
  color: #14553f;
}

.view-btn.active {
  background: #edf4f8;
  border-color: #3c6f87;
  color: #194b61;
}

.mode-hint {
  margin: 0.1rem 0 0.2rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.filters-toggle {
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  background: #fff;
  padding: 0.65rem 0.8rem;
  min-height: 46px;
  font-weight: 700;
}

.filters-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
}

label span {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--muted);
  font-size: 0.84rem;
}

input,
textarea,
select,
.my-plan-link,
.plan-btn {
  min-height: 46px;
}

input,
textarea,
select {
  width: 100%;
  padding: 0.65rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 0.65rem;
  font-size: 1rem;
}

textarea {
  resize: vertical;
  font-family: inherit;
}

.my-plan-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 0.9rem;
  border-radius: 0.65rem;
  text-decoration: none;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}

.export-btn {
  border: 0;
  cursor: pointer;
}

.secondary-btn {
  background: #36586a;
}

.export-note {
  margin: 0 0 0.7rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  color: var(--muted);
  margin-bottom: 0.65rem;
  font-size: 0.92rem;
}

.status-text {
  margin: 0;
}

.recent-section {
  margin-bottom: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 0.8rem;
}

.recent-section h2 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
}

.recent-section ul {
  margin: 0;
  padding-left: 1rem;
}

.site-map-links {
  display: grid;
  gap: 0.65rem;
}

.site-map-card {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: #f7fafb;
  padding: 0.75rem;
}

.map-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.error-box {
  margin-bottom: 0.7rem;
  padding: 0.7rem;
  border-radius: 0.65rem;
  background: #feecec;
  color: var(--danger);
  border: 1px solid #f2c1c1;
}

.empty-state {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 0.8rem;
  padding: 1rem;
  text-align: center;
  color: var(--muted);
}

.event-list {
  display: grid;
  gap: 0.65rem;
}

.event-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.82rem;
  padding: 0.8rem;
}

.event-card.status-cancelled {
  border-color: #efc9c9;
  background: #fff8f8;
}

.event-card.status-full {
  border-color: #e6d8b1;
  background: #fffdf5;
}

.event-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.8rem;
}

.event-time {
  color: #0d4b64;
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 0.2rem;
}

.event-title {
  margin: 0;
  font-size: 1.05rem;
}

.event-title-link {
  color: inherit;
  text-decoration: none;
}

.event-meta {
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.event-description {
  margin: 0.7rem 0 0;
  color: #2b4048;
}

.badges {
  margin-top: 0.55rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.badge {
  border-radius: 999px;
  border: 1px solid #d8e3e8;
  background: #eef4f7;
  color: #2b4550;
  font-size: 0.76rem;
  padding: 0.24rem 0.56rem;
}

.badge.clash {
  background: #ffeaea;
  border-color: #f3c9c9;
  color: #8e1f1f;
}

.status-badge.status-cancelled,
.change-badge {
  background: #fff0d9;
  border-color: #f0d2a0;
  color: #8a5812;
}

.status-badge.status-full {
  background: #fff4dc;
  border-color: #ebd094;
  color: #82611b;
}

.updated-badge {
  background: #e7f6ea;
  border-color: #b7dcbf;
  color: #1b6a38;
}

.plan-btn {
  border: 1px solid #1a6b51;
  background: #fff;
  color: #165d47;
  border-radius: 0.65rem;
  padding: 0.45rem 0.7rem;
  min-width: 118px;
  font-weight: 700;
}

.plan-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent-active);
}

.detail-list {
  margin: 0.75rem 0 0;
  display: grid;
  gap: 0.45rem;
}

.detail-list div {
  display: grid;
  gap: 0.12rem;
}

.detail-list dt {
  font-weight: 700;
  color: var(--muted);
}

.detail-list dd {
  margin: 0;
}

.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.8rem;
}

.inline-link {
  color: #0d5675;
  font-weight: 700;
  text-decoration: none;
}

.group-block h2,
.day-group h2 {
  margin: 0.9rem 0 0.5rem;
}

.group-empty {
  margin: 0;
  color: var(--muted);
}

.change-item.change-cancelled {
  color: #8f1f1f;
}

.change-item.change-moved,
.change-item.change-updated,
.change-item.change-time {
  color: #7a540d;
}

.missing-section {
  margin-top: 1rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 0.8rem;
}

.missing-section h2 {
  margin-top: 0;
}

.about-card,
.detail-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 1rem;
}

.login-main {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.login-card {
  width: min(420px, 100%);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.2rem;
  box-shadow: 0 10px 30px rgba(17, 56, 74, 0.08);
}

.login-card h1 {
  margin-top: 0;
}

.login-form {
  display: grid;
  gap: 0.8rem;
}

.login-submit {
  border: 0;
  cursor: pointer;
}

.detail-kicker {
  color: #0d4b64;
  font-weight: 700;
  margin: 0 0 0.4rem;
}

.detail-card h1 {
  margin: 0;
}

.detail-section {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.detail-section h2 {
  margin-top: 0;
}

.detail-link {
  width: fit-content;
}

.admin-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0.75rem 0;
}

.admin-stat {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 0.9rem;
  display: grid;
  gap: 0.2rem;
}

.admin-stat strong {
  font-size: 1.5rem;
}

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  padding: 0.65rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.admin-table th {
  font-size: 0.88rem;
  color: var(--muted);
}

.admin-table .issue-error td:first-child {
  color: #8f1f1f;
  font-weight: 700;
}

.admin-table .issue-warning td:first-child {
  color: #8a5812;
  font-weight: 700;
}

.refresh-btn {
  position: fixed;
  right: 0.9rem;
  bottom: 5.8rem;
  border: 0;
  border-radius: 999px;
  min-height: 48px;
  padding: 0.7rem 1rem;
  background: #144f6f;
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(20, 79, 111, 0.28);
  z-index: 110;
}

.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 115;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
  background: #fff;
}

.bottom-nav a {
  text-align: center;
  text-decoration: none;
  color: #34484f;
  padding: 0.75rem 0.35rem calc(0.75rem + env(safe-area-inset-bottom));
  font-weight: 700;
}

.bottom-nav a.active {
  color: #0f5a43;
  background: #e8f4ef;
}

.offline-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 4.2rem;
  z-index: 120;
  background: #243b47;
  color: #fff;
  text-align: center;
  padding: 0.56rem 0.8rem;
  font-size: 0.9rem;
}

@media (min-width: 720px) {
  main {
    padding-bottom: 6.5rem;
  }

  .filters-toggle {
    display: none;
  }

  .filters-panel {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    align-items: end;
  }

  .mode-toggle,
  .view-toggle {
    max-width: 360px;
  }

  .refresh-btn {
    bottom: 5.4rem;
  }

  .admin-summary-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}