:root {
  --bg: #f4f0e6;
  --paper: #fffdf8;
  --ink: #111;
  --muted: #666;
  --accent: #f2e64d;
  --danger: #c0392b;
  --line: rgba(17, 17, 17, 0.12);
  --sidebar: #111;
  --sidebar-text: #f7f3ea;
  --font-serif: "Noto Serif JP", serif;
  --font-sans: "Space Grotesk", sans-serif;
}

* { box-sizing: border-box; }

[hidden] {
  display: none !important;
}

body.is-admin .login {
  display: none !important;
}

body {
  margin: 0;
  font-family: var(--font-serif);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

button, input, select, textarea {
  font: inherit;
}

.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.login__card {
  width: min(420px, 100%);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 2rem;
}

.login__hint {
  margin: -0.75rem 0 1.5rem;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 0.875rem;
}

.login__label, .admin__label, .panel-header__label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

.login__card h1, .admin-sidebar__brand h1, .panel-header h2 {
  margin: 0;
  font-size: 1.75rem;
}

.login__card label, .guest-modal label {
  display: block;
  margin-bottom: 1rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
}

.login__card input, .guest-modal input,
.guest-modal select, .guest-modal textarea,
.toolbar input, .toolbar select {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  background: var(--bg);
}

.login__card button, .panel-header__actions button:not(.ghost),
.guest-modal__actions button {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding: 0.65rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.login__error, .guest-modal__error {
  min-height: 1.2em;
  color: var(--danger);
  font-size: 0.875rem;
}

.login__status {
  min-height: 1.2em;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 0.875rem;
}

.global-error {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  background: #fce4ec;
  border: 1px solid #ef9a9a;
  color: var(--danger);
  font-family: var(--font-sans);
  font-size: 0.875rem;
}

.login__card button:disabled,
.panel-header__actions button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.admin-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px 1fr;
}

.admin-sidebar {
  background: var(--sidebar);
  color: var(--sidebar-text);
  padding: 2rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.admin-sidebar .admin__label {
  color: rgba(247, 243, 234, 0.55);
}

.admin-sidebar__brand h1 {
  color: var(--sidebar-text);
  font-size: 1.5rem;
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.admin-nav__item {
  border: 1px solid rgba(247, 243, 234, 0.15);
  background: transparent;
  color: var(--sidebar-text);
  padding: 0.85rem 1rem;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  cursor: pointer;
}

.admin-nav__item.is-active,
.admin-nav__item:hover {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--accent);
}

.admin-sidebar__footer {
  margin-top: auto;
}

.admin__logout {
  width: 100%;
  border: 1px solid rgba(247, 243, 234, 0.25);
  background: transparent;
  color: var(--sidebar-text);
  padding: 0.65rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  cursor: pointer;
}

.admin-main {
  padding: 2rem;
}

.admin-panel {
  max-width: 1200px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.panel-header__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.panel-header__actions .ghost {
  background: transparent;
  color: var(--ink);
}

.panel-meta {
  margin: 0 0 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--muted);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1rem;
}

.stat-card strong {
  display: block;
  font-family: var(--font-sans);
  font-size: 1.75rem;
}

.stat-card span {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.toolbar {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.toolbar--logs {
  grid-template-columns: 2fr 1fr;
}

.table-wrap {
  overflow-x: auto;
  background: var(--paper);
  border: 1px solid var(--line);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.data-table th,
.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--bg);
}

.guest-table td:nth-child(4),
.guest-table td.cell-address {
  max-width: 180px;
  word-break: break-word;
  white-space: pre-wrap;
}

.guest-table td.cell-message,
.guest-table td.cell-notes {
  max-width: 200px;
  word-break: break-word;
  white-space: pre-wrap;
}

.guest-table td.cell-message--filled,
.guest-table td.cell-notes--filled {
  background: #fff9e6;
}

.guest-detail-modal__inner {
  max-width: 640px;
}

.guest-detail {
  margin: 0;
}

.guest-detail > div {
  margin-bottom: 0.85rem;
}

.guest-detail dt {
  margin: 0 0 0.15rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.guest-detail dd {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.guest-detail__block {
  padding: 0.75rem;
  border: 1px solid var(--line);
  background: var(--bg);
}

.guest-detail__block--notes {
  background: #fff9e6;
}

.snapshot-card--extras {
  margin-top: 0.5rem;
  background: #fff9e6;
}

.empty-cell {
  text-align: center;
  color: var(--muted);
  padding: 2rem 1rem !important;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--line);
}

.badge--attending { background: #e8f5e9; }
.badge--declined { background: #fce4ec; }
.badge--pending { background: #fff8e1; }
.badge--paper { background: var(--accent); }
.badge--child { background: #e3f2fd; }
.badge--transfer-done { background: #e8f5e9; border-color: #2e7d32; color: #2e7d32; }
.badge--transfer-pending { background: #fff3e0; border-color: #ef6c00; color: #ef6c00; }
.badge--action-create { background: #e8f5e9; }
.badge--action-update { background: #e3f2fd; }
.badge--action-delete { background: #fce4ec; }
.badge--action-rsvp { background: #fff8e1; }

.row-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.row-actions button {
  border: none;
  background: none;
  color: var(--ink);
  text-decoration: underline;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  padding: 0;
}

.row-actions .danger-link {
  color: var(--danger);
}

.guest-modal__child {
  display: flex !important;
  align-items: center;
  gap: 0.5rem;
}

.guest-modal__child input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.guest-modal, .log-modal {
  border: none;
  padding: 0;
  max-width: 560px;
  width: calc(100% - 2rem);
  background: transparent;
}

.guest-modal::backdrop,
.log-modal::backdrop {
  background: rgba(17, 17, 17, 0.45);
}

.guest-modal__inner, .log-modal__inner {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 2rem;
  position: relative;
}

.guest-modal__close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  border: none;
  background: none;
  font-size: 1.5rem;
  cursor: pointer;
}

.guest-modal__actions {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
}

.guest-modal__actions .primary { margin-left: auto; }
.guest-modal__actions .danger {
  background: var(--danger);
  border-color: var(--danger);
}

.log-detail {
  margin: 0;
}

.log-detail > div {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.log-detail dt {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.log-detail dd {
  margin: 0;
}

.change-list {
  margin: 0;
  padding-left: 1.1rem;
}

.snapshot-card {
  display: grid;
  gap: 0.25rem;
  padding: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--line);
  margin-bottom: 0.5rem;
}

.snapshot-card strong {
  font-family: var(--font-sans);
}

.snapshot-card span {
  font-size: 0.875rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    padding: 1.25rem;
  }

  .admin-nav {
    flex-direction: row;
  }

  .admin-nav__item {
    flex: 1;
    text-align: center;
  }

  .toolbar,
  .toolbar--logs {
    grid-template-columns: 1fr;
  }

  .admin-main {
    padding: 1.25rem;
  }
}