.feedback-dialog { color: var(--g-text, #172b35); background: var(--g-solid, #fff); border: 1px solid var(--g-divider, #899aa333); border-radius: 26px; padding: clamp(20px, 4vw, 32px); width: min(540px, calc(100vw - 32px)); max-height: min(85dvh, 850px); overflow: auto; box-shadow: 0 24px 90px #08182540; }
.feedback-dialog::backdrop { background: #08152560; backdrop-filter: blur(8px); }
.feedback-dialog .modal-head { margin-bottom: 20px; gap: 16px; }
.feedback-dialog h2 { margin: 0; font-size: 1.4rem; }
.feedback-dialog label { display: grid; gap: 8px; margin: 16px 0; }
.feedback-dialog label.toggle-row { display: flex; }
.feedback-dialog input, .feedback-dialog textarea, .feedback-dialog select { box-sizing: border-box; width: 100%; font: inherit; padding: 12px; border: 1px solid #899aa366; border-radius: 12px; color: inherit; background: transparent; }
.feedback-dialog input[type=checkbox] { width: 22px; height: 22px; }
.feedback-dialog button { min-height: 44px; margin: 6px 4px 6px 0; }
.feedback-dialog p { overflow-wrap: anywhere; line-height: 1.6; }
.feedback-member { display: flex; flex-wrap: wrap; align-items: center; padding: 8px 0; border-bottom: 1px solid #899aa333; }
.feedback-member > a { flex: 1 1 100%; min-width: 0; overflow-wrap: anywhere; margin-bottom: 4px; }
.group-info-dialog { width: min(620px, calc(100vw - 24px)); max-height: min(90dvh, 900px); padding: 24px; }
.group-info-dialog .modal-head { position: sticky; top: -24px; z-index: 2; align-items: center; margin: -24px -24px 0; padding: 20px 24px; border-bottom: 1px solid var(--g-divider, #dfe4e3); background: var(--g-solid, #fff); }
.group-info-dialog .modal-head h2 { font-size: clamp(21px, 4vw, 26px); letter-spacing: -.035em; }
.group-info-dialog .modal-head .close-button { flex: none; width: 42px; height: 42px; min-height: 42px; margin: 0; }
.group-info-summary { display: flex; align-items: center; gap: 14px; padding: 24px 0; border-bottom: 1px solid var(--g-divider, #dfe4e3); }
.group-info-summary > div { min-width: 0; }
.group-info-summary strong { display: block; color: var(--g-text, #20232b); font-size: 17px; line-height: 1.35; overflow-wrap: anywhere; }
.group-info-summary small { display: block; margin-top: 4px; color: var(--g-secondary, #626875); font-size: 13px; }
.group-info-avatar { flex: none; display: grid; place-items: center; width: 54px; height: 54px; border-radius: 17px; background: var(--g-well, #eef0f5); color: var(--g-text, #20232b); font-size: 25px; font-weight: 700; }
.group-info-section { padding: 22px 0; border-bottom: 1px solid var(--g-divider, #dfe4e3); }
.group-info-section h3 { margin: 0 0 15px; color: var(--g-text, #20232b); font-size: 16px; font-weight: 700; letter-spacing: -.02em; }
.group-details-fields { display: grid; grid-template-columns: minmax(0, 1fr) 126px; gap: 12px; }
.group-info-dialog .group-details-fields label { display: grid; gap: 8px; min-width: 0; margin: 0; color: var(--g-secondary, #626875); font-size: 13px; font-weight: 650; }
body:is(.theme-dark, :not(.theme-dark)) .feedback-dialog.group-info-dialog :is(input:not([type=checkbox]):not([type=range]):not([type=color]):not([type=file]), select) { min-width: 0; height: 46px; margin: 0; border: 1px solid var(--g-divider, #dfe4e3); border-radius: 12px; background: var(--g-well, #eef0f5); color: var(--g-text, #20232b); font-size: 16px; }
.group-info-dialog input::placeholder { color: var(--g-secondary, #626875); opacity: 1; }
.group-icon-field input { text-align: center; }
.group-info-dialog .group-save-button { display: block; margin: 16px 0 0 auto; min-height: 42px; }
.group-section-heading { display: flex; align-items: center; gap: 9px; }
.group-section-heading h3 { margin-bottom: 10px; }
.group-member-count { color: var(--g-secondary, #626875); font-size: 13px; }
.group-info-dialog .group-add-toggle { min-height: 36px; margin: 0 0 10px auto; padding: 0 12px; border: 1px solid var(--g-divider, #dfe4e3); border-radius: 9px; background: var(--g-well, #eef0f5); color: var(--g-text, #20232b); font-size: 12px; font-weight: 650; }
.group-info-dialog .group-add-toggle:hover { background: var(--g-panel, #fff); }
.group-member-list { border-top: 1px solid var(--g-divider, #dfe4e3); }
.group-info-dialog .feedback-member { min-height: 72px; gap: 12px; padding: 9px 0; border-color: var(--g-divider, #dfe4e3); }
.group-info-dialog .feedback-member:last-child { border-bottom: 0; }
.group-info-dialog .group-member-profile { display: flex; flex: 1 1 auto; align-items: center; gap: 11px; min-width: 0; min-height: 48px; margin: 0; padding: 4px; border: 0; border-radius: 12px; background: transparent; color: var(--g-text, #20232b); text-align: left; }
.group-info-dialog .group-member-profile:hover { background: var(--g-well, #eef0f5); }
.group-member-profile .avatar { width: 40px; height: 40px; font-size: 14px; }
.group-member-identity { display: block; min-width: 0; }
.group-member-identity strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.group-member-identity small { display: block; margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--g-secondary, #626875); font-size: 12px; }
.group-member-actions { display: flex; flex: none; align-items: center; gap: 6px; }
.group-info-dialog .group-member-action { min-height: 36px; margin: 0; padding: 0 10px; border: 1px solid var(--g-divider, #dfe4e3); border-radius: 9px; background: transparent; color: var(--g-text, #20232b); font-size: 12px; font-weight: 650; }
.group-info-dialog .group-member-action:hover { background: var(--g-well, #eef0f5); }
.group-info-dialog .group-member-remove { border-color: transparent; color: var(--danger, #bd4c59); }
.group-add-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 9px; }
.group-add-section { padding: 18px 0 0; }
.group-info-dialog .group-add-button { min-width: 68px; min-height: 44px; margin: 0; padding: 0 14px; border: 1px solid var(--g-divider, #dfe4e3); border-radius: 11px; background: var(--g-well, #eef0f5); color: var(--g-text, #20232b); font-weight: 650; }
.group-info-dialog .group-add-button:hover { background: var(--g-panel, #fff); }
.group-info-dialog .group-add-button:disabled { opacity: .5; cursor: not-allowed; }
.group-info-footer { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 20px; }
.group-info-dialog .group-footer-action { min-height: 42px; margin: 0; padding: 0 12px; border: 0; border-radius: 10px; background: transparent; color: var(--g-secondary, #626875); font-size: 13px; font-weight: 650; }
.group-info-dialog .group-footer-action:hover { background: var(--g-well, #eef0f5); color: var(--g-text, #20232b); }
.group-info-dialog .group-delete-action { margin-left: auto; color: var(--danger, #bd4c59); }
.group-permissions-dialog { color: var(--g-text, #20232b); }
.group-permissions-dialog .modal-head { border-bottom: 1px solid var(--g-divider, #dfe4e3); background: var(--g-solid, #fff); }
.group-permissions-dialog label.toggle-row { margin: 0; padding: 12px 0; color: var(--g-text, #20232b); }
.group-permissions-help { color: var(--g-secondary, #626875); font-size: 13px; }
@media (max-width: 520px) {
  .group-info-dialog { width: calc(100vw - 16px); max-height: calc(100dvh - 16px); padding: 20px; border-radius: 20px; }
  .group-info-dialog .modal-head { top: -20px; margin: -20px -20px 0; padding: 16px 20px; }
  .group-details-fields { grid-template-columns: 1fr; }
  .group-icon-field { max-width: 130px; }
  .group-info-dialog .feedback-member { flex-wrap: wrap; }
  .group-member-actions { width: 100%; padding-left: 55px; }
  .group-info-dialog .group-member-action { min-height: 40px; }
}
.profile-link, .message-receipt[role=button] { cursor: pointer; }
.profile-link:focus-visible, .message-receipt:focus-visible { outline: 3px solid #3789fa; outline-offset: 3px; }
.avatar.has-unread { position: relative; overflow: visible; }
.avatar.has-unread::after { content: ''; position: absolute; width: 11px; height: 11px; right: -1px; top: -1px; border-radius: 50%; background: #24bf69; border: 2px solid var(--surface, #fff); box-shadow: 0 0 0 1px #123b3020; }
.avatar.has-unread img { border-radius: inherit; }
.edited-mark { border: 0; background: none; color: inherit; opacity: .7; font-size: .72rem; padding: 6px; text-decoration: underline; }
.original-message, .official-notice-text { white-space: pre-wrap; }
.official-notice-dialog { border-top: 5px solid #3986f5; }
.official-notice-dialog h2 { font-size: clamp(1.5rem, 4vw, 2rem); }
.official-notice-text { font-size: 1.15rem; }
.official-notice-dialog article { border-bottom: 1px solid #899aa333; padding: 12px 0; }
.notice-author { color: #347fda; font-weight: 700; }
.suspension-note { border-left: 3px solid #d48140; padding-left: 12px; }
.friend-link-actions { padding: 12px 0; border-bottom: 1px solid #899aa333; margin-bottom: 12px; }
.friend-code-card { display: grid; justify-items: center; gap: 9px; padding: 14px; border: 1px solid #899aa333; border-radius: 18px; background: var(--g-panel, var(--surface, #fff)); }
.friend-code-card img { display: block; width: min(230px, 65vw); height: auto; aspect-ratio: 1; border: 10px solid #fff; border-radius: 12px; background: #fff; }
.friend-code-card strong { font-size: 1rem; letter-spacing: .04em; }
.friend-code-card small { text-align: center; }
.friend-code-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.friend-qr-open { margin: 10px 0 2px; }
.friend-qr-panel { display: grid; gap: 12px; margin: 10px 0 18px; padding: 14px; border: 1px solid var(--g-divider, #d9e3df); border-radius: 16px; background: var(--g-well, #f4f7f5); }
.friend-qr-panel.hidden { display: none; }
.friend-qr-panel p { margin: 0; line-height: 1.5; }
.friend-qr-video { display: block; width: 100%; max-height: min(48vh, 360px); aspect-ratio: 4 / 3; object-fit: cover; border-radius: 12px; background: #152326; }
.friend-qr-video.hidden { display: none; }
.friend-qr-controls { display: flex; flex-wrap: wrap; gap: 8px; }
.friend-qr-controls :is(button, label) { min-height: 44px; }
.friend-qr-image-label { position: relative; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; }
.friend-qr-image-label input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.friend-qr-image-label:focus-within { outline: 2px solid var(--green, #257e70); outline-offset: 3px; }
.mention-suggestions { display: grid; max-height: 210px; overflow-y: auto; padding: 5px; border: 1px solid #899aa366; border-radius: 14px; background: var(--g-solid, var(--surface, #fff)); box-shadow: 0 12px 32px #08182524; }
.mention-suggestions.hidden { display: none; }
.mention-option { width: 100%; min-height: 42px; padding: 8px 12px; border: 0; border-radius: 9px; background: transparent; color: inherit; font: inherit; text-align: left; cursor: pointer; }
.mention-option[aria-selected="true"], .mention-option:hover { background: var(--green-pale, #e7f3ee); color: var(--green-dark, #173f45); }
.mention-link { display: inline; padding: 0 2px; border: 0; border-radius: 4px; background: #277aa51c; color: var(--green-dark, #17697a); font: inherit; font-weight: 700; cursor: pointer; }
.mention-link:hover { text-decoration: underline; }
.message.mentioned-me .message-body { border-left: 3px solid #3986f5; }
body.theme-dark .mention-option[aria-selected="true"], body.theme-dark .mention-option:hover { background: #24534a; color: #ecfff7; }
body.theme-dark .mention-link { background: #6cc7ac30; color: #91e5c9; }
#group-info-button { font-size: .8rem; padding: 4px 10px; min-height: 32px; }
.interest-browser { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.interest-category { display: grid; gap: 10px; min-height: 116px; text-align: left; padding: 20px; border: 1px solid #899aa344; border-radius: 20px; color: inherit; background: #8298b00a; font: inherit; cursor: pointer; transition: transform .18s, background .18s; }
.interest-category:hover { background: #638ff019; transform: translateY(-2px); }
.interest-category span:first-child { font-size: 1.7rem; }
@media (prefers-reduced-motion: reduce) { .interest-category { transition: none; } }
.space-choice { width: 100%; text-align: left; display: block; }
.shared-editor { min-height: min(38dvh, 360px); resize: vertical; }
.shared-shortcut { width: calc(100% - 24px); }
.reversi-board { display: grid; grid-template-columns: repeat(8, minmax(0,1fr)); gap: 2px; width: min(90vw, 480px); aspect-ratio: 1; background: #114936; padding: 6px; border-radius: 16px; }
.reversi-cell { border: 0; border-radius: 4px; background: #3c8964; color: #dfffd7; font-size: clamp(14px, 5vw, 36px); min-width: 0; padding: 0; }
.reversi-cell[data-mark=B] { color: #142922; text-shadow: 0 1px 1px #ffffff50; }
.reversi-cell[data-mark=W] { color: #fff; text-shadow: 0 2px 5px #172d28; }
.reversi-cell:disabled { opacity: 1; }
.reversi-cell:not(:disabled):hover { background: #65af7c; }
.rps-board { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; padding: 24px; }
.rps-board button { min-width: 120px; min-height: 86px; border: 1px solid #819aa166; border-radius: 18px; font: inherit; cursor: pointer; }
.rps-board p { flex-basis: 100%; text-align: center; }