:root{color-scheme:dark;--bg:#090c11;--panel:#10151e;--panel2:#151b25;--line:#303846;--muted:#a9b2c1;--text:#eef1f7;--gold:#e7bb50;--gold2:#f3d477;--danger:#ff8ca0;--green:#68dc96}
*{box-sizing:border-box}html,body{margin:0;width:100%;min-height:100%;background:var(--bg);color:var(--text);font:15px/1.5 'Segoe UI',Arial,sans-serif}body{overflow:hidden}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,.attach{cursor:pointer}
header{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;border-bottom:1px solid var(--line);background:#0b0f15}.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:750}.logo{width:38px;height:38px;display:grid;place-items:center;background:linear-gradient(135deg,#f4d578,#a2761e);color:#161209;border-radius:12px;font-size:21px}.muted{color:var(--muted);font-size:13px}
button,a.primary{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;padding:10px 16px;background:#1a202b;color:var(--text)}.primary,button.primary{background:linear-gradient(135deg,#f3d477,#bd8d2b);color:#17130a;border:0;font-weight:750}
#welcome{height:calc(100dvh - 68px);position:relative;display:grid;align-items:center;padding:clamp(28px,8vw,120px);background:radial-gradient(ellipse at right bottom,#302613,#090c11 65%);overflow:auto}.intro{max-width:760px}.eyebrow{color:var(--gold);font-size:12px;letter-spacing:1.6px;font-weight:700}.intro h1{font-size:clamp(38px,5vw,68px);line-height:1.12;margin:18px 0}.intro h1 span{color:var(--gold)}.intro p{max-width:650px;color:var(--muted);font-size:17px}.intro .primary{margin-top:26px}.launcher{position:fixed;right:28px;bottom:28px;width:66px;height:66px;display:grid;place-items:center;background:linear-gradient(135deg,#f3d477,#bd8d2b);color:#161209;border-radius:50%;font-size:28px;box-shadow:0 14px 45px rgba(0,0,0,.35)}
#chat{height:calc(100dvh - 68px);width:100%;padding:0;background:#0b0f15}.chat-panel{width:100%;height:100%;margin:0;background:var(--panel);display:flex;flex-direction:column;overflow:hidden;position:relative}.chat-head{min-height:70px;padding:14px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;background:#111720}.chat-head strong{font-size:17px}.chat-head p{margin:3px 0 0;font-size:13px;color:var(--muted)}.chat-head>a{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:#171d27}
#messages{flex:1;min-height:0;overflow:auto;padding:24px max(22px,calc((100vw - 1200px)/2));display:flex;flex-direction:column;gap:12px;background:linear-gradient(180deg,#0e131b,#0a0e14)}
#start{width:min(560px,calc(100% - 32px));margin:auto;padding:26px;border:1px solid var(--line);border-radius:16px;background:#111720;box-shadow:0 24px 70px rgba(0,0,0,.28)}#start h2{margin:0 0 8px}#start label{display:block;margin:13px 0}input,textarea{display:block;width:100%;background:#0c1018;border:1px solid var(--line);border-radius:10px;padding:12px;color:inherit;outline:none}input:focus,textarea:focus{border-color:var(--gold)}
.msg{max-width:min(76%,760px);align-self:flex-start;background:#202835;padding:11px 15px;border-radius:14px;overflow-wrap:anywhere}.msg.visitor{align-self:flex-end;background:#493a1d;border:1px solid #79612e}.msg.system{align-self:center;color:var(--muted);background:transparent;font-size:12px;text-align:center}.msg p{white-space:pre-wrap;margin:0}.msg small{display:block;color:var(--muted);margin-top:6px;font-size:11px}.msg img{max-width:min(520px,100%);max-height:46vh;object-fit:contain;display:block;border-radius:9px;cursor:zoom-in;margin-top:8px}
#composer{padding:14px max(22px,calc((100vw - 1200px)/2));border-top:1px solid var(--line);background:#111720;transition:.15s}#composer.drag{outline:2px dashed var(--gold);outline-offset:-7px}.tools{display:flex;gap:9px;align-items:center;flex-wrap:wrap;min-width:0;margin-bottom:9px}.attach,#new,#clear{border:1px solid var(--line);border-radius:9px;padding:7px 11px;background:#171d27;color:var(--text)}#filename{font-size:12px;max-width:360px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.send-row{display:flex;gap:10px;min-width:0}.send-row textarea{resize:none;flex:1;min-width:0;max-height:130px}.send-row .primary{min-width:86px}
#notice{margin:8px max(22px,calc((100vw - 1200px)/2));padding:9px 12px;background:#292519;border:1px solid #6b572e;border-radius:8px;overflow-wrap:anywhere;color:#ead9aa}#rating{padding:13px max(22px,calc((100vw - 1200px)/2));border-top:1px solid var(--line);background:#111720}.stars{display:flex;gap:5px;margin-top:8px}.stars button{border:0;background:transparent;color:#6b7280;font-size:26px;padding:2px 4px}.stars button:hover,.stars button.selected{color:var(--gold2)}button:disabled{opacity:.5;cursor:wait}dialog{max-width:95vw;max-height:95dvh;border:1px solid var(--line);border-radius:14px;background:#0b0f15;color:var(--text)}dialog::backdrop{background:#000c}dialog img{max-width:86vw;max-height:82dvh;display:block}#closeImage{float:right;margin-bottom:8px}[hidden]{display:none!important}
@media(max-width:700px){body{overflow:hidden}header{height:58px;padding:0 12px}header>.muted{display:none}.brand{font-size:17px}.logo{width:34px;height:34px}#welcome{height:calc(100dvh - 58px);padding:26px 20px}.launcher{right:18px;bottom:18px;width:58px;height:58px}#chat{height:calc(100dvh - 58px)}.chat-head{min-height:62px;padding:10px 12px}#messages{padding:14px 12px}.msg{max-width:90%}#composer{padding:10px 12px}#notice{margin:7px 12px}#rating{padding:10px 12px}.send-row{gap:6px}.send-row .primary{min-width:64px;padding:9px}.tools{gap:6px}.attach,#new,#clear{font-size:12px;padding:6px 8px}#filename{max-width:150px}}