.chat-page-header h1{max-width:840px;margin-top:9px;font-size:3rem}.chat-frequency.chat-layout{grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:18px;margin-bottom:56px}.chat-frequency__main{border:1px solid var(--color-line);border-top:2px solid var(--color-primary);border-radius:var(--radius-xs);background:var(--color-surface);min-width:0;min-height:700px;box-shadow:var(--shadow-card);grid-template-rows:auto minmax(420px,1fr) auto;display:grid;overflow:hidden}.chat-frequency__header{border-bottom:1px solid var(--color-line);background:var(--color-surface-dark);min-height:88px;padding:17px 20px}.chat-frequency__title{min-width:0}.chat-frequency__title h2{margin-top:5px;font-size:1.55rem}.chat-frequency__title>p:last-child{color:var(--color-muted);font:700 .72rem/1.3 var(--font-mono);margin-top:7px}.chat-connection{border:1px solid var(--color-line);border-radius:var(--radius-xs);width:min(100%,310px);min-height:40px;color:var(--color-ink-soft);font:800 .7rem/1.2 var(--font-mono);background:#06161a;grid-template-columns:10px minmax(108px,1fr) 96px;align-items:center;gap:9px;padding:4px 5px 4px 10px;display:grid}.chat-connection__signal{width:8px;height:8px;color:var(--color-secondary);background:currentColor;border:1px solid;display:block;box-shadow:0 0 10px}.chat-connection[data-chat-state=open]{border-color:#63f3c680}.chat-connection[data-chat-state=open] .chat-connection__signal{color:var(--color-primary);animation:1.8s ease-in-out infinite chat-signal-pulse}.chat-connection[data-chat-state=error]{color:#ffc2cb;border-color:#ff6f8394}.chat-connection[data-chat-state=error] .chat-connection__signal{color:var(--color-danger)}.chat-connection[data-chat-state=closed] .chat-connection__signal{color:var(--color-muted);box-shadow:none}.chat-connection[data-chat-state=reconnecting] .chat-connection__signal{color:var(--color-warm)}.chat-reconnect{border-radius:var(--radius-xs);width:96px;min-height:30px;color:inherit;font:inherit;background:0 0;border:1px solid;padding:4px 8px}.chat-reconnect:not(:disabled):hover{background:var(--color-ink);color:var(--color-bg-deep)}.chat-connection[data-chat-state=connecting] .chat-reconnect,.chat-connection[data-chat-state=open] .chat-reconnect,.chat-connection[data-chat-state=reconnecting] .chat-reconnect{visibility:hidden}.chat-frequency .chat-messages{overscroll-behavior:contain;background:var(--color-bg-deep);scrollbar-color:var(--color-secondary) var(--color-surface-dark);scrollbar-width:thin;border:0;border-radius:0;flex-direction:column;gap:10px;min-width:0;height:min(62vh,620px);min-height:420px;margin:0;padding:18px 20px;display:flex;overflow-y:auto}.chat-frequency .chat-message{border:1px solid var(--color-line);border-left:3px solid var(--color-primary);border-radius:var(--radius-xs);background:#0a2025;width:fit-content;max-width:min(78%,680px);padding:11px 13px;box-shadow:3px 3px #00000038}.chat-frequency .chat-message:nth-of-type(2n){border-left-color:var(--color-secondary);background:#0a1b23}.chat-frequency .chat-message strong{color:var(--color-primary);font:800 .78rem/1.35 var(--font-mono);display:block}.chat-frequency .chat-message p{color:var(--color-ink);white-space:pre-wrap;margin-top:5px}.chat-frequency .chat-message span{color:var(--color-muted);font:700 .67rem/1.3 var(--font-mono);margin-top:6px;display:block}.chat-messages__empty{min-height:100%;color:var(--color-muted);font:800 .76rem/1.4 var(--font-mono);text-align:center;place-items:center;display:grid}.chat-frequency .chat-composer{border-top:1px solid var(--color-line);background:var(--color-surface-dark);grid-template-columns:minmax(0,1fr) 96px;gap:10px;min-width:0;min-height:48px;margin:0;padding:14px 18px;display:grid}.chat-composer__field{min-width:0;min-height:48px;position:relative}.chat-composer__field .search-input{background:#071a1f;border-color:#67dff361;width:100%;height:48px;padding-right:74px}.chat-composer__count{color:var(--color-muted);font:700 .65rem/1 var(--font-mono);pointer-events:none;position:absolute;top:50%;right:11px;transform:translateY(-50%)}.chat-frequency .chat-composer .btn{width:96px;height:48px;min-height:48px;padding-inline:10px}.chat-frequency__rail{min-width:0;top:calc(var(--station-header-height) + 18px);gap:14px;display:grid;position:sticky}.chat-rail-section{border:1px solid var(--color-line);border-top:2px solid var(--color-secondary);border-radius:var(--radius-xs);background:var(--color-surface);min-width:0;padding:15px;box-shadow:5px 5px #02080b85}.chat-rail-section--activity{border-top-color:var(--color-sakura)}.chat-rail-section__heading{border-bottom:1px solid var(--color-line);justify-content:space-between;align-items:center;gap:10px;min-width:0;padding-bottom:11px;display:flex}.chat-rail-section__heading>span{color:var(--color-muted);font:700 .66rem/1.2 var(--font-mono)}.chat-presence{flex-wrap:wrap;align-content:flex-start;gap:7px;min-height:62px;padding-top:12px;display:flex}.chat-presence .tag{min-height:28px;padding:4px 8px;font-size:.68rem}.chat-presence__empty,.chat-activity__empty{color:var(--color-muted);font:700 .7rem/1.5 var(--font-mono)}.chat-activity{gap:0;max-height:390px;margin:0;padding:0;list-style:none;display:grid;overflow-y:auto}.chat-activity__item{border-bottom:1px solid var(--color-line);grid-template-columns:minmax(0,1fr) auto;gap:3px 8px;min-width:0;padding:11px 0;display:grid}.chat-activity__item:last-child{border-bottom:0}.chat-activity__type{color:var(--color-sakura);font:800 .62rem/1.2 var(--font-mono);text-transform:uppercase;grid-column:1/-1}.chat-activity__item strong{min-width:0;color:var(--color-ink-soft);text-overflow:ellipsis;white-space:nowrap;font-size:.78rem;overflow:hidden}.chat-activity__item time{color:var(--color-muted);font:700 .62rem/1.3 var(--font-mono);white-space:nowrap}.chat-activity__empty{padding-top:13px}@keyframes chat-signal-pulse{0%,to{opacity:.52}50%{opacity:1}}@media (width<=1040px){.chat-frequency.chat-layout{grid-template-columns:minmax(0,1fr)}.chat-frequency__rail{grid-template-columns:repeat(2,minmax(0,1fr));position:static}}@media (width<=680px){.chat-page-header h1{font-size:2rem}.chat-frequency__main{min-height:610px}.chat-frequency__header{flex-direction:column;align-items:stretch;min-height:0;padding:15px}.chat-connection{grid-template-columns:10px minmax(0,1fr) 90px;width:100%}.chat-frequency .chat-messages{height:55vh;min-height:360px;padding:13px}.chat-frequency .chat-message{max-width:100%}.chat-frequency .chat-composer{grid-template-columns:minmax(0,1fr) 88px;gap:8px;padding:12px}.chat-frequency .chat-composer .btn{width:88px}.chat-frequency__rail{grid-template-columns:minmax(0,1fr)}}@media (width<=420px){.chat-frequency .chat-composer{grid-template-columns:minmax(0,1fr) 80px}.chat-frequency .chat-composer .btn{width:80px}.chat-composer__field .search-input{padding-right:10px}.chat-composer__count{display:none}}