/* Shared create/search/access cards. Service colors are passed as CSS variables. */
.room-create-page,
.room-search-page {
  min-height: auto;
  display: flex;
  justify-content: center;
  padding: 2rem 1rem;
}

.room-create-card,
.room-search-card,
.room-access-card {
  width: 100%;
  max-width: 440px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.room-create-card__header,
.room-search-card__header {
  position: relative;
  padding: 2rem;
  color: white;
  text-align: center;
  background: linear-gradient(135deg, var(--room-create-start, var(--room-search-start, #166534)), var(--room-create-end, var(--room-search-end, #22c55e)));
}

.room-create-card__header::after,
.room-search-card__header::after {
  position: absolute;
  right: calc(50% - 15px);
  bottom: -10px;
  width: 0;
  height: 0;
  content: '';
  border-right: 15px solid transparent;
  border-left: 15px solid transparent;
  border-top: 10px solid var(--room-create-end, var(--room-search-end, #22c55e));
}

.room-create-card__title,
.room-search-card__title {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 600;
  font-family: 'Kaisei Opti', serif;
}

.room-create-card__body,
.room-search-card__body,
.room-access-card {
  padding: 2rem;
}

.room-create-fieldset {
  margin: 0 0 1.5rem;
  padding: 0;
  border: 0;
}

.room-create-label,
.room-search-label,
.room-access-label {
  display: block;
  margin-bottom: 0.5rem;
  color: #374151;
  font-size: 0.95rem;
  font-weight: 600;
}

.room-create-radio-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.room-create-radio {
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
  cursor: pointer;
}

.room-create-form-group,
.room-search-form-group,
.room-access-form-group {
  margin-bottom: 1.25rem;
}

.room-create-control,
.room-search-control,
.room-access-control {
  box-sizing: border-box;
  width: 100%;
  padding: 0.9rem 1rem;
  border: 2px solid #e5e7eb;
  border-radius: 12px;
  background: #f9fafb;
  color: #1f2937;
  font-size: 1rem;
}

.room-create-control:focus,
.room-search-control:focus,
.room-access-control:focus {
  border-color: var(--room-create-end, var(--room-search-end, var(--room-access-end, #22c55e)));
  outline: 3px solid color-mix(in srgb, var(--room-create-end, var(--room-search-end, var(--room-access-end, #22c55e))) 28%, transparent);
  background: white;
}

.room-create-control--readonly {
  background: #f3f4f6;
}

.room-create-help,
.room-access-help {
  display: block;
  margin-top: 0.4rem;
  color: #64748b;
  font-size: 0.82rem;
}

.room-create-preview {
  margin-top: 0.8rem;
  padding: 0.8rem 1rem;
  border: 1px solid color-mix(in srgb, var(--room-create-end, #22c55e) 22%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--room-create-end, #22c55e) 9%, white);
  color: #365314;
}

.room-create-preview strong {
  display: block;
  margin-bottom: 0.2rem;
}

.room-create-feedback {
  display: none;
  margin: 0.8rem 0;
  padding: 0.8rem 1rem;
  border: 1px solid rgba(220, 38, 38, 0.22);
  border-radius: 12px;
  background: rgba(254, 242, 242, 0.95);
  color: #b91c1c;
  font-weight: 600;
}

.room-create-feedback.is-visible {
  display: block;
}

.room-create-submit,
.room-search-submit,
.room-access-submit {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--room-create-start, var(--room-search-start, var(--room-access-start, #166534))), var(--room-create-end, var(--room-search-end, var(--room-access-end, #22c55e))));
  color: white;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
}

.room-create-submit[disabled],
.room-search-submit[disabled],
.room-access-submit[disabled] {
  cursor: wait;
  opacity: 0.65;
}

.room-access-page {
  display: flex;
  justify-content: center;
  padding: 2rem 1rem;
}

.room-access-shell {
  width: min(100%, 760px);
}

.room-access-intro {
  margin-bottom: 1.5rem;
  color: #334155;
  text-align: center;
}

.room-access-intro__title {
  margin: 0 0 0.75rem;
  color: var(--room-access-end, #22c55e);
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.room-access-intro__text {
  max-width: 44rem;
  margin: 0 auto;
  line-height: 1.7;
}

.room-access-intro__points {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  color: #64748b;
  font-size: 0.9rem;
}

.room-access-intro__points li::before {
  margin-right: 0.35rem;
  color: var(--room-access-end, #22c55e);
  content: '✓';
  font-weight: 700;
}

.room-access-card {
  max-width: 640px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.9);
}

.room-access-card__title {
  margin: 0 0 1rem;
  color: #374151;
  font-size: 1.35rem;
}

.room-access-password {
  position: relative;
}

.room-access-password .room-access-control {
  padding-right: 5.5rem;
}

.room-access-password-toggle {
  position: absolute;
  top: 50%;
  right: 0.5rem;
  transform: translateY(-50%);
  padding: 0.35rem 0.55rem;
  border: 0;
  border-radius: 7px;
  background: #e2e8f0;
  color: #334155;
  cursor: pointer;
}

/*
 * サービス固有の追加コンテンツ（Note のデモエディタ等）。
 * .room-access-card と同じ幅・中央寄せに揃える。
 * Extra service-specific content (e.g. Note's demo editor), aligned to the
 * same width/centering as .room-access-card.
 */
.room-access-extra {
  max-width: 640px;
  margin: 1.5rem auto 0;
}

.room-access-demo-editor {
  min-height: 160px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  line-height: 1.6;
  resize: vertical;
}

.room-access-demo-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.room-access-demo-badge {
  flex: none;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(107, 114, 128, 0.92) 0%, rgba(75, 85, 99, 0.96) 100%);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  box-shadow: 0 8px 16px rgba(75, 85, 99, 0.18);
}

/* Group のアクセスページ用デモ（アップロード領域＋ファイル一覧のプレビュー）。
   Group's access-page demo (upload dropzone + file list previews). */
.room-access-demo-upload {
  padding: 2rem;
  margin-bottom: 2rem;
  border: 3px dashed rgba(34, 197, 94, 0.28);
  text-align: center;
  opacity: 0.82;
}

.room-access-demo-upload__icon {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
  color: #6b7280;
}

.room-access-demo-upload__text {
  margin-bottom: 1rem;
  color: #6b7280;
  font-size: 1.1rem;
  line-height: 1.6;
}

.room-access-demo-upload__text small {
  color: #9ca3af;
}

.room-access-demo-btn {
  padding: 0.75rem 1.5rem;
  border: 0;
  border-radius: 10px;
  color: #6b7280;
  font-size: 1rem;
  font-weight: 600;
  cursor: not-allowed;
}

.room-access-demo-list {
  margin-bottom: 2rem;
}

.room-access-demo-list__title {
  margin: 0 0 1rem;
  color: #374151;
  font-size: 1.05rem;
}

.room-access-demo-list__panel {
  min-height: 80px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.room-access-demo-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem;
  border-radius: 10px;
}

.room-access-demo-item + .room-access-demo-item {
  margin-top: 0.5rem;
}

.room-access-demo-item__status {
  color: #6b7280;
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .room-create-page,
  .room-search-page,
  .room-access-page {
    padding: 1rem 0.25rem;
  }

  .room-create-card__body,
  .room-search-card__body,
  .room-access-card {
    padding: 1.25rem 1rem;
  }

  .room-access-intro__points {
    display: block;
  }

  .room-access-intro__points li + li {
    margin-top: 0.35rem;
  }
}

.room-quick-create__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.room-quick-create__advanced {
  color: var(--room-access-link, var(--room-access-start, #166534));
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.room-quick-create__advanced:hover {
  text-decoration-thickness: 2px;
}

.room-access-join {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid #e5e7eb;
}

.room-access-join > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  color: #374151;
  font-size: 1.1rem;
  font-weight: 600;
  list-style: none;
  cursor: pointer;
}

.room-access-join > summary::-webkit-details-marker {
  display: none;
}

/* Chevron drawn with borders so it follows the service color. */
.room-access-join > summary::after {
  flex-shrink: 0;
  width: 0.5rem;
  height: 0.5rem;
  margin-top: -0.25rem;
  border-right: 2px solid var(--room-access-link, var(--room-access-start, #166534));
  border-bottom: 2px solid var(--room-access-link, var(--room-access-start, #166534));
  content: '';
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.room-access-join[open] > summary::after {
  margin-top: 0.25rem;
  transform: rotate(225deg);
}

.room-access-join .room-access-panel {
  padding-top: 1rem;
}