:root{--ink:#eef7ff;--cyan:#5ae1ff;--cyan-2:#9cedff;--line:rgba(107,214,255,.16);--app-height:100vh;color-scheme:dark}
@supports(height:100dvh){:root{--app-height:100dvh}}
*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden;background:#050811;color:var(--ink);font-family:Inter,system-ui,sans-serif}
body{height:var(--app-height);display:grid;grid-template-rows:auto minmax(0,1fr);background:radial-gradient(circle at 20% 0,rgba(23,147,189,.18),transparent 32rem),#050811}
[hidden]{display:none!important}
.chitrium-top{height:76px;padding:0 clamp(18px,4vw,64px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(5,8,17,.84);backdrop-filter:blur(18px)}
.chitrium-brand{color:inherit;text-decoration:none;display:flex;flex-direction:column;letter-spacing:.18em}.chitrium-brand b{font-size:1.15rem}.chitrium-brand small{font-size:.58rem;color:#77a8ba;letter-spacing:.12em;margin-top:3px}.account-link{color:var(--cyan-2);text-decoration:none;border:1px solid var(--line);padding:9px 14px;border-radius:999px}
.messages-page{min-width:0;min-height:0;padding:28px clamp(12px,3vw,42px);overflow:hidden}
.messenger{width:100%;height:100%;min-width:0;min-height:0;display:grid;grid-template-columns:minmax(260px,340px) minmax(0,1fr);max-width:1400px;margin:auto;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:rgba(6,12,25,.8);box-shadow:0 30px 90px #0008}
.chat-list-panel{min-width:0;min-height:0;border-right:1px solid var(--line);overflow-y:auto;overscroll-behavior:contain;background:rgba(2,5,13,.28);scrollbar-width:thin;scrollbar-color:#245e7b transparent}
.chat-list-head{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;padding:22px;background:rgba(6,12,25,.96)}.chat-list-head span{display:block;font-weight:700}.chat-list-head small{color:#7193a2}.chat-list-head button{border:0;border-radius:50%;width:38px;height:38px;background:#16394b;color:var(--cyan);font-size:1.3rem;cursor:pointer}
.peer-picker{margin:0 10px 12px;padding:12px;border:1px solid var(--line);border-radius:14px;background:rgba(5,12,25,.92)}.peer-picker input{width:100%;border:1px solid var(--line);border-radius:10px;background:#050b16;color:var(--ink);padding:9px 11px;outline:none}.peer-results{max-height:230px;overflow-y:auto;margin-top:7px}.peer-option{width:100%;display:flex;align-items:center;gap:9px;padding:8px;border:0;border-radius:10px;background:transparent;color:var(--ink);cursor:pointer;text-align:left}.peer-option:hover{background:rgba(30,94,159,.25)}.peer-option .chat-avatar{width:32px;height:32px}.peer-none{padding:10px;color:#7893a2;font-size:.8rem}
.chat-list{padding:0 10px}.chat-item{width:100%;border:1px solid transparent;border-radius:14px;padding:12px;display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:11px;align-items:center;text-align:left;color:var(--ink);background:transparent;cursor:pointer}.chat-item:hover,.chat-item.is-active{background:rgba(30,94,159,.2);border-color:rgba(100,169,214,.18)}.chat-item-copy{min-width:0}.chat-item-name{font-weight:650}.presence-dot{display:inline-block;width:7px;height:7px;margin-right:6px;border-radius:50%;background:#4ee08a;box-shadow:0 0 8px #4ee08a99;vertical-align:1px}.chat-item-preview{display:block;color:#7893a2;font-size:.78rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:4px}.chat-unread{min-width:22px;height:22px;padding:0 6px;border-radius:12px;display:grid;place-items:center;background:var(--cyan);color:#051426;font:bold .7rem monospace}.chat-empty{padding:24px;color:#7893a2;line-height:1.55;font-size:.9rem}
.chat-avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;overflow:hidden;background:linear-gradient(135deg,#1e5e9f,#123a66);color:var(--cyan-2);font-weight:700;text-transform:uppercase;flex:0 0 auto}.chat-avatar img{width:100%;height:100%;display:block;object-fit:cover}
.chat-room{min-width:0;min-height:0;overflow:hidden;position:relative}.chat-welcome{height:100%;display:grid;place-content:center;text-align:center;color:#7893a2;padding:24px}.welcome-mark{margin:auto;width:72px;height:72px;display:grid;place-items:center;border:1px solid var(--cyan);border-radius:22px;color:var(--cyan);font-size:2rem}
.chat-active{height:100%;min-width:0;min-height:0;overflow:hidden;display:grid;grid-template-rows:auto minmax(0,1fr) auto}
.chat-head{min-width:0;min-height:74px;display:flex;gap:12px;align-items:center;padding:12px 20px;border-bottom:1px solid var(--line)}.chat-head div{min-width:0;display:flex;flex-direction:column}.chat-head strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-peer-presence{min-height:16px;margin-top:2px;color:#7893a2;font-size:.72rem}.chat-peer-presence.is-online{color:#4ee08a}.chat-head a{color:#6fa7bb;font-size:.72rem}.chat-back{display:none;border:0;background:none;color:var(--cyan-2);font-size:1.35rem;cursor:pointer}
.chat-message-area{position:relative;min-width:0;min-height:0;overflow:hidden}.chat-messages{height:100%;min-height:0;padding:24px;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;scrollbar-width:thin;scrollbar-color:#245e7b rgba(2,5,13,.35);display:flex;flex-direction:column;gap:8px;scroll-behavior:smooth;-webkit-overflow-scrolling:touch}.chat-messages::-webkit-scrollbar{width:9px}.chat-messages::-webkit-scrollbar-track{background:rgba(2,5,13,.35)}.chat-messages::-webkit-scrollbar-thumb{border:2px solid transparent;border-radius:10px;background:#245e7b;background-clip:padding-box}
.new-message-btn{position:absolute;z-index:2;right:20px;bottom:12px;border:1px solid var(--line);border-radius:999px;padding:8px 13px;background:#16394b;color:var(--cyan-2);box-shadow:0 5px 20px #0008;cursor:pointer}
.message{flex:0 0 auto;max-width:min(72%,560px);padding:10px 13px;border-radius:16px 16px 16px 4px;background:rgba(30,94,159,.28);line-height:1.45;overflow-wrap:anywhere}.message.is-mine{align-self:flex-end;border-radius:16px 16px 4px 16px;background:linear-gradient(135deg,#1e5e9f,#123a66)}.message-time{display:block;margin-top:5px;color:rgba(238,245,255,.48);font:500 .62rem monospace;text-align:right}.message-media{display:block;max-width:100%;max-height:360px;border-radius:12px}.message-circle{width:min(250px,60vw);aspect-ratio:1;object-fit:cover;border-radius:50%;background:#02050d}.message.has-media{padding:5px}.message.has-media .message-text:not(:empty){display:block;padding:7px 8px 2px}
.chat-compose{min-width:0;max-height:min(310px,45vh);margin:0;padding:0 18px max(12px,env(safe-area-inset-bottom));overflow-y:auto;overscroll-behavior:contain;background:rgba(6,12,25,.96)}.compose-row{min-width:0;display:flex;gap:10px;align-items:flex-end}.chat-compose textarea{min-width:0;flex:1;resize:none;min-height:46px;max-height:140px;overflow-y:auto;border:1px solid rgba(100,169,214,.25);border-radius:18px;background:rgba(2,5,13,.7);color:var(--ink);font:inherit;line-height:1.35;padding:12px 16px;outline:none}.chat-compose textarea:focus{border-color:var(--cyan)}.media-actions{display:flex;gap:6px}.media-btn{flex:0 0 auto;width:44px;height:44px;border:1px solid rgba(100,169,214,.25);border-radius:50%;background:rgba(30,94,159,.18);color:var(--cyan-2);font-size:1.35rem;cursor:pointer}.circle-btn{font-size:.9rem;color:#ff657e}.send-btn,.recorder-card button{flex:0 0 auto;border:0;border-radius:14px;background:var(--cyan);color:#031017;font-weight:700;padding:13px 18px;cursor:pointer}.attachment-preview{position:relative;width:max-content;max-width:100%;margin:8px 0 9px 100px;padding:7px;border:1px solid var(--line);border-radius:14px}.attachment-preview img,.attachment-preview video{display:block;max-width:min(220px,100%);max-height:120px;border-radius:9px}.remove-attachment{position:absolute;right:-8px;top:-8px;width:25px;height:25px;border:0;border-radius:50%;background:#d84d66;color:white;cursor:pointer}.chat-status{min-height:18px;margin:0;color:#ff9d9d;font-size:.75rem;padding:3px 22px 0}
.load-older{flex:0 0 auto;align-self:center;border:1px solid var(--line);border-radius:999px;padding:8px 14px;background:rgba(30,94,159,.18);color:var(--cyan-2);cursor:pointer}.chat-loading{margin:auto;display:flex;flex-wrap:wrap;justify-content:center;gap:6px;color:#7893a2}.chat-loading span{width:7px;height:7px;border-radius:50%;background:var(--cyan);animation:chat-pulse 1s ease-in-out infinite}.chat-loading b{flex-basis:100%;text-align:center;font-weight:500}@keyframes chat-pulse{50%{opacity:.3;transform:translateY(-4px)}}
.circle-recorder{position:fixed;inset:0;z-index:1000;background:#000b;display:grid;place-items:center}.recorder-card{padding:20px;background:#101827;border:1px solid var(--line);border-radius:24px;text-align:center}.recorder-card video{display:block;width:min(70vw,340px);aspect-ratio:1;object-fit:cover;border-radius:50%;margin-bottom:12px}
@media(max-width:720px){.chitrium-top{height:64px}.messages-page{padding:0}.messenger{border:0;border-radius:0;display:block}.chat-list-panel,.chat-room{height:100%;min-height:0}.chat-list-panel{border:0}.messenger.has-chat .chat-list-panel{display:none}.messenger:not(.has-chat) .chat-room{display:none}.chat-back{display:block}.message{max-width:86%}.chat-messages{padding:16px;scrollbar-gutter:auto}.chat-compose{padding-inline:8px;padding-bottom:max(8px,env(safe-area-inset-bottom))}.compose-row{gap:6px}.media-actions{gap:3px}.media-btn{width:39px;height:39px}.send-btn{width:44px;height:44px;padding:0;font-size:0}.send-btn::after{content:'➤';font-size:1rem}.attachment-preview{margin-left:0}.new-message-btn{right:12px}}