.conversation-book { max-width: 960px; margin-inline: auto; }
.conversation-book .conversation-intro { font-size: var(--ga-font-note); color: var(--muted); line-height: 1.65; }
.conversation-filters { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.conversation-filters label { display: grid; gap: 6px; min-width: 0; font-size: var(--ga-font-note); }
.conversation-filters input,.conversation-filters select { width: 100%; min-width: 0; min-height: 44px; font: inherit; font-size: 16px; }
.conversation-filters .conversation-search { grid-column: 1 / -1; }
.conversation-summary { display: grid; gap: 6px; margin-block: 16px 8px; }
.conversation-summary strong { font-size: var(--ga-font-section); }
.conversation-summary span,.conversation-sync,.conversation-result-count { font-size: var(--ga-font-note); color: var(--muted); overflow-wrap: anywhere; }
.conversation-sync { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; min-height: 24px; }
.conversation-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; padding: 0; list-style: none; }
.conversation-list li { min-width: 0; }
.conversation-list button { display: grid; gap: 8px; width: 100%; min-height: 112px; padding: 12px; text-align: left; white-space: normal; background: var(--surface); color: var(--text); border: 1px solid var(--line); border-radius: 4px; overflow-wrap: anywhere; }
.conversation-list button:disabled { opacity: 1; cursor: default; }
.conversation-list button span { color: var(--muted); font-size: var(--ga-font-note); line-height: 1.5; }
.conversation-list button strong { font-size: var(--ga-font-body); line-height: 1.5; }
.conversation-list button small { color: var(--muted); font-size: var(--ga-font-note); }
.conversation-pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin-block: 16px; }
.conversation-pagination button { min-width: 80px; min-height: 44px; }
.conversation-empty { padding-block: 24px; color: var(--muted); }
.conversation-dialog { width: min(560px,calc(100% - 24px)); max-height: calc(100dvh - 32px); padding: 0; background: var(--surface); color: var(--text); border: 1px solid var(--line); border-radius: 4px; }
html:has(.conversation-dialog[open]),body:has(.conversation-dialog[open]) { overflow: hidden; overscroll-behavior: none; }
.conversation-dialog[open] { display: flex; flex-direction: column; }
.conversation-dialog::backdrop { background: rgb(0 0 0 / .65); }
.conversation-dialog header { padding: 16px 16px 8px; flex: none; }
.conversation-dialog header p { margin: 0 0 8px; font-size: var(--ga-font-note); color: var(--muted); overflow-wrap: anywhere; }
.conversation-dialog h2 { margin: 0; font-size: var(--ga-font-page); overflow-wrap: anywhere; }
.conversation-dialog-body { overflow-y: auto; overscroll-behavior: contain; padding: 0 16px; min-height: 0; }
.conversation-dialog-body p { display: grid; gap: 6px; margin-block: 16px; line-height: 1.65; overflow-wrap: anywhere; }
.conversation-dialog-body strong { font-size: var(--ga-font-note); color: var(--muted); }
.conversation-dialog-body span { font-size: var(--ga-font-body); }
.conversation-dialog footer { padding: 8px 16px 16px; flex: none; }
.conversation-dialog footer button { width: 100%; min-height: 44px; }
@media (max-width: 600px) { .conversation-list { grid-template-columns: 1fr; } }