/* Messenger 2.0 phase 2: message bursts, accessible timeline, navigation and search.
   Every color inherits existing Hypergrid/Theme Engine semantic tokens. */
.hg-messenger-v2 .messenger-messages{gap:8px;position:relative;scroll-padding-block:16px}
.hg-messenger-v2 .messenger-message-row.hg-msg-grouped{margin-top:-6px}
.hg-messenger-v2 .messenger-message-row.hg-msg-grouped .messenger-bubble{border-start-start-radius:8px;border-start-end-radius:8px}
.hg-messenger-v2 .messenger-message-row.hg-msg-grouped.mine .messenger-bubble{border-start-end-radius:5px}
.hg-messenger-v2 .messenger-message-row.hg-msg-grouped.theirs .messenger-bubble{border-start-start-radius:5px}
.hg-messenger-v2 .messenger-message-row .hg-messenger-meta{display:block;margin-top:4px;font-variant-numeric:tabular-nums;white-space:normal}
.hg-messenger-v2 .hg-messenger-date{position:relative;z-index:1;user-select:none;text-align:center;max-width:100%}
.hg-messenger-v2 .hg-messenger-jump{position:absolute;bottom:86px;right:clamp(12px,2vw,25px);z-index:5;min-height:40px;padding:7px 13px;border-radius:999px;border:1px solid var(--kv-border-interactive);background:var(--kv-bg-floating);color:var(--kv-text-primary);box-shadow:var(--kv-shadow-floating);font-size:12px}
.hg-messenger-v2 .hg-messenger-jump[hidden]{display:none}
.hg-messenger-v2 .hg-messenger-jump:hover{background:var(--kv-hover-surface)}
.hg-messenger-v2 .hg-messenger-jump:focus-visible,.hg-messenger-v2 .hg-messenger-search-clear:focus-visible{outline:2px solid var(--kv-focus-ring);outline-offset:3px}
.hg-messenger-v2 .hg-messenger-search-controls{display:flex;gap:6px;align-items:stretch;min-width:0}
.hg-messenger-v2 .hg-messenger-search-controls input{flex:1;min-width:0}
.hg-messenger-v2 .hg-messenger-search-clear{flex:0 0 auto;min-width:38px;min-height:38px;border-radius:var(--kv-radius-control);background:var(--kv-bg-surface-2);border:1px solid var(--kv-border-interactive);color:var(--kv-text-primary);font-size:14px}
.hg-messenger-v2 .hg-messenger-search-status{margin:0;padding:0 14px 4px;font-size:11px;color:var(--kv-text-secondary)}
.hg-messenger-v2 .hg-messenger-search-status:empty{display:none}
.hg-messenger-v2 .messenger-thread:focus-visible{outline:2px solid var(--kv-focus-ring);outline-offset:-3px}
.hg-messenger-v2 .messenger-thread-main b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}
.hg-messenger-v2 .messenger-conversation{position:relative;isolation:isolate}
@media(max-width:767px){.hg-messenger-v2 .hg-messenger-jump{bottom:77px;right:8px;min-height:44px}.hg-messenger-v2 .hg-messenger-search-clear{min-width:44px;min-height:44px}}
@media(prefers-reduced-motion:reduce){.hg-messenger-v2 .hg-messenger-jump{scroll-behavior:auto;transition:none}}