:root{--y-green:#008069;--y-dark:#075e54;--y-light:#25d366;--y-bg:#efeae2;--y-in:#fff;--y-out:#d9fdd3;--y-text:#111b21;--y-muted:#667781}
html:has(.ychat-app),body:has(.ychat-app){overflow:hidden!important}
.ychat-app{position:fixed;inset:0;z-index:999999;background:var(--y-bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--y-text);display:grid;grid-template-rows:64px 1fr auto auto;overflow:hidden}
.ychat-app *{box-sizing:border-box}
.ychat-header{height:64px;background:var(--y-dark);color:#fff;display:flex;align-items:center;padding:8px 16px;gap:12px;box-shadow:0 1px 4px rgba(0,0,0,.18);z-index:3}
.ychat-avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-size:24px;font-weight:900;background:#fff;color:var(--y-green);border:2px solid rgba(255,255,255,.5)}
.ychat-head-copy{display:flex;flex-direction:column;min-width:0}.ychat-head-copy strong{font-size:16px}.ychat-head-copy span{font-size:12px;opacity:.86}
.ychat-lucky{margin-left:auto;background:rgba(0,0,0,.2);border:1px solid rgba(255,255,255,.22);padding:7px 10px;border-radius:12px;font-size:12px;line-height:1.1;text-align:center}.ychat-lucky b{font-size:18px;display:block;letter-spacing:1px}
.ychat-messages{overflow-y:auto;padding:18px max(12px,calc((100vw - 980px)/2));background-color:var(--y-bg);background-image:radial-gradient(rgba(17,27,33,.045) 1px,transparent 1px);background-size:20px 20px;scroll-behavior:smooth}
.ychat-welcome{max-width:620px;margin:0 auto 18px;background:#fff3c7;border-radius:9px;padding:9px 12px;text-align:center;font-size:12px;box-shadow:0 1px 1px rgba(0,0,0,.08)}
.ychat-msg-row{display:flex;margin:3px 0}.ychat-msg-row.mine{justify-content:flex-end}.ychat-msg{position:relative;max-width:min(78%,720px);background:var(--y-in);border-radius:8px;padding:7px 9px 5px;box-shadow:0 1px 1px rgba(11,20,26,.12);overflow:hidden}.mine .ychat-msg{background:var(--y-out)}
.ychat-msg.broadcast{border-left:4px solid var(--y-green)}.ychat-msg.winner{background:#fff0a8;border:2px solid #f0b400;font-weight:700;animation:ychatWinner .55s ease both}.ychat-msg video{display:block;max-width:100%;max-height:440px;border-radius:7px;margin-top:6px;background:#000}.ychat-msg audio{display:block;width:min(420px,70vw);margin-top:4px}.ychat-msg-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14.5px;line-height:1.38}.ychat-msg-time{display:block;text-align:right;color:var(--y-muted);font-size:10.5px;margin:2px 0 0 8px}.ychat-inline-emoji{width:30px;height:30px;object-fit:contain;vertical-align:middle;margin:0 1px}.ychat-msg.sticker{background:transparent!important;box-shadow:none!important;padding:2px 4px;overflow:visible}.ychat-sticker-message{display:block;width:min(230px,58vw);height:auto;max-height:260px;object-fit:contain;filter:drop-shadow(0 2px 2px rgba(0,0,0,.12))}.ychat-msg.sticker .ychat-msg-time{display:inline-block;background:rgba(255,255,255,.88);padding:2px 5px;border-radius:8px;margin-top:-16px;position:relative;float:right}
.ychat-compose{min-height:62px;background:#f0f2f5;padding:8px 10px;display:flex;align-items:flex-end;gap:7px;border-top:1px solid rgba(0,0,0,.04)}.ychat-compose textarea{flex:1;max-height:120px;resize:none;border:0!important;outline:0!important;background:#fff;border-radius:22px;padding:11px 14px;font:inherit;line-height:20px;box-shadow:none!important}.ychat-icon-btn,.ychat-send{border:0!important;box-shadow:none!important;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;cursor:pointer;font-size:20px;background:transparent}.ychat-send{background:var(--y-green);color:#fff;font-size:19px}.ychat-icon-btn:hover{background:#e3e6e8}.ychat-send:hover{background:var(--y-dark)}
.ychat-media-panel{position:absolute;bottom:65px;left:10px;z-index:6;width:min(390px,calc(100vw - 20px));max-height:min(440px,62vh);background:#fff;border-radius:14px;box-shadow:0 5px 24px rgba(0,0,0,.22);overflow:hidden}.ychat-media-tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid #e7eaec;background:#f7f8fa}.ychat-media-tabs button{border:0;background:transparent;padding:12px 8px;font-size:11px;font-weight:800;color:#667781;cursor:pointer;border-bottom:3px solid transparent}.ychat-media-tabs button.active{color:var(--y-green);border-bottom-color:var(--y-green);background:#fff}.ychat-emoji-grid{padding:10px;display:grid;grid-template-columns:repeat(4,1fr);gap:6px;overflow:auto;max-height:320px}.ychat-emoji-item{aspect-ratio:1;border:0;background:#f7f8fa;border-radius:12px;cursor:pointer;display:grid;place-items:center;padding:5px}.ychat-emoji-item:hover{background:#edf8f4}.ychat-emoji-item img{width:100%;height:100%;max-width:64px;max-height:64px;object-fit:contain}.ychat-sticker-grid{padding:9px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;overflow:auto;max-height:350px}.ychat-sticker-item{border:0;background:transparent;border-radius:12px;cursor:pointer;padding:5px;display:flex;flex-direction:column;align-items:center;gap:2px;min-width:0}.ychat-sticker-item:hover{background:#f2f7f5}.ychat-sticker-item img{width:100%;aspect-ratio:1;object-fit:contain}.ychat-sticker-item span{font-size:9px;color:#667781;white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}
.ychat-recording{background:#fff0f0;color:#c62828;text-align:center;padding:7px;font-size:13px;font-weight:700;border-top:1px solid #ffd5d5}.ychat-recording span{font-variant-numeric:tabular-nums}.ychat-recording:not([hidden]){display:block}.ychat-media-panel[hidden],.ychat-emoji-grid[hidden],.ychat-sticker-grid[hidden],.ychat-login[hidden],.ychat-lucky[hidden]{display:none!important}
.ychat-login{position:absolute;inset:0;z-index:20;background:linear-gradient(180deg,var(--y-dark) 0 32%,#f0f2f5 32%);display:grid;place-items:center;padding:20px}.ychat-login-card{width:min(430px,100%);background:#fff;border-radius:18px;padding:30px;box-shadow:0 12px 45px rgba(0,0,0,.2);text-align:center}.ychat-login-card .ychat-logo{width:74px;height:74px;margin:-5px auto 12px;border-radius:50%;display:grid;place-items:center;background:var(--y-green);color:white;font-size:42px;font-weight:900}.ychat-login-card h1{margin:5px 0}.ychat-login-card p{color:var(--y-muted)}.ychat-login-card input{width:100%;margin:7px 0;border:1px solid #d8dcdf!important;border-radius:10px;padding:13px;box-shadow:none!important}.ychat-login-card button{width:100%;margin-top:10px;border:0;border-radius:10px;background:var(--y-green);color:#fff;padding:13px;font-weight:800;cursor:pointer}
@keyframes ychatWinner{0%{transform:scale(.96);opacity:.35}70%{transform:scale(1.025)}100%{transform:scale(1);opacity:1}}
@media(max-width:600px){.ychat-app{grid-template-rows:58px 1fr auto auto}.ychat-header{height:58px;padding:7px 10px}.ychat-avatar{width:40px;height:40px}.ychat-messages{padding:12px 8px}.ychat-msg{max-width:88%}.ychat-compose{min-height:58px;padding:7px 6px;gap:3px}.ychat-icon-btn,.ychat-send{width:39px;height:39px}.ychat-lucky{padding:5px 7px}.ychat-lucky b{font-size:15px}.ychat-media-panel{bottom:61px;left:5px;width:calc(100vw - 10px);max-height:58vh}.ychat-emoji-grid{grid-template-columns:repeat(4,1fr)}.ychat-sticker-grid{grid-template-columns:repeat(3,1fr)}.ychat-sticker-message{width:min(210px,66vw)}}