:root{color-scheme:dark;--bg:#0c1018;--panel:#111722;--line:#273141;--text:#ecf0f8;--muted:#8c97a9;--accent:#8b8cf6;--green:#64d7a4;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);height:100dvh}.app-shell{height:100dvh;display:flex;overflow:hidden}.sidebar{width:264px;background:#0e141d;border-right:1px solid #1d2735;display:flex;flex-direction:column;padding:22px 16px 14px;flex:none}.brand{display:flex;align-items:center;gap:11px;padding:0 6px 26px}.brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(145deg,#9495ff,#5868d8);display:grid;place-items:center;color:white;font-weight:750;font-size:19px;box-shadow:0 5px 18px #6470df42}.brand-mark.large{width:54px;height:54px;border-radius:17px;font-size:26px;margin-bottom:25px}.brand strong{display:block;font-size:14px;letter-spacing:.2px}.brand small{display:block;color:var(--muted);font-size:11px;margin-top:3px}.new-chat{height:43px;border:1px solid #303b4d;background:#171f2c;color:#dce4f3;border-radius:11px;text-align:left;padding:0 13px;font-size:17px;cursor:pointer}.new-chat span{font-size:13px;margin-left:5px}.new-chat:hover,.suggestion:hover{border-color:#656de0;background:#1b2432}.history-heading{font-size:11px;color:#7f8ba0;letter-spacing:.08em;margin:28px 8px 10px}.history-list{overflow:auto;flex:1}.history-item{width:100%;display:block;text-align:left;border:0;background:transparent;color:#b7c0d0;padding:10px;border-radius:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:12px;cursor:pointer}.history-item:hover,.history-item.active{background:#1b2431;color:#f2f4fa}.sidebar-bottom{border-top:1px solid #232c3a;margin-top:12px;padding:14px 7px 0;color:#99a4b5;font-size:11px;display:flex;align-items:center;gap:8px}.local-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 9px #64d7a488}.main-panel{min-width:0;flex:1;display:flex;flex-direction:column;position:relative}.topbar{height:62px;border-bottom:1px solid #1d2735;display:flex;align-items:center;padding:0 24px;gap:12px;flex:none}.top-title{font-size:13px;font-weight:600;display:flex;align-items:center;gap:10px}.secure-badge{font-size:10px;color:#9aefc6;background:#183229;padding:4px 7px;border-radius:20px;font-weight:500}.model-picker-wrap{margin-left:auto;display:flex;align-items:center;gap:9px;color:var(--muted);font-size:11px}.model-picker-wrap select{max-width:210px;border:1px solid var(--line);background:#121a26;color:#dce3f1;border-radius:8px;padding:8px 28px 8px 10px;font-size:11px;outline:none}.icon-button{border:0;background:transparent;color:#aeb8c7;font-size:17px;cursor:pointer}.menu-button{display:none}.conversation{flex:1;min-height:0;overflow:auto;padding:46px 22px 24px;scroll-behavior:smooth}.welcome{max-width:650px;margin:6vh auto 0;text-align:center}.welcome-orb{margin:0 auto 28px;width:62px;height:62px;border-radius:21px;background:radial-gradient(circle at 30% 25%,#b3aeff,#676cde 64%,#454fc0);box-shadow:0 10px 55px #6c70de38;display:grid;place-items:center;position:relative}.welcome-orb:before,.welcome-orb:after{content:"";position:absolute;width:8px;height:8px;background:#d5d2ff;border-radius:50%}.welcome-orb:before{top:12px;right:10px}.welcome-orb:after{bottom:10px;left:12px;width:5px;height:5px}.welcome-orb span{width:20px;height:25px;border:2px solid #fff;border-radius:11px 11px 7px 7px;position:relative}.welcome-orb span:after{content:"";position:absolute;width:6px;height:2px;background:#fff;bottom:-6px;left:5px;border-radius:2px}.eyebrow{font-size:9px;letter-spacing:.21em;color:#8e91ef;font-weight:700}.welcome h1{font-weight:620;font-size:30px;letter-spacing:-.04em;margin:11px 0}.welcome-copy{color:#a2adbf;font-size:13px;line-height:1.8;max-width:470px;margin:0 auto}.welcome-copy code{font-size:11px;color:#c2c8f6;background:#202436;border-radius:4px;padding:2px 5px}.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:36px auto 0}.suggestion{min-height:74px;text-align:left;border:1px solid #273141;background:#121a25;color:#c6cede;border-radius:12px;padding:12px;font-size:11px;line-height:1.6;cursor:pointer}.suggestion span{display:block;color:#9a9cff;font-size:15px;margin-bottom:5px}.messages{max-width:780px;margin:0 auto}.message{display:flex;gap:13px;margin:25px 0;align-items:flex-start}.message.user{flex-direction:row-reverse}.avatar{width:28px;height:28px;border-radius:9px;background:#212a3a;color:#a4a6ff;display:grid;place-items:center;font-size:11px;font-weight:700;flex:none}.message.user .avatar{background:#2b3650;color:#d5dafa}.bubble{max-width:min(640px,calc(100% - 48px));font-size:14px;line-height:1.8;color:#d9dfeb;white-space:pre-wrap;overflow-wrap:anywhere;padding:2px 0}.message.user .bubble{background:#1b2534;border:1px solid #2d394b;border-radius:15px 4px 15px 15px;padding:10px 14px}.message.assistant .bubble{padding-top:2px}.bubble.error{color:#ffaaaa}.typing{display:inline-block;width:6px;height:14px;border-radius:5px;background:#999bff;vertical-align:-2px;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.25}}.composer-area{padding:0 max(22px,calc((100% - 760px)/2)) 15px;flex:none}.connection-note{text-align:center;color:#8290a3;font-size:10px;height:24px}.composer{max-width:760px;margin:auto;border:1px solid #303b4e;background:#151d29;border-radius:15px;display:flex;align-items:flex-end;padding:8px 8px 8px 15px;box-shadow:0 8px 30px #05080c55}.composer:focus-within{border-color:#686fda;box-shadow:0 0 0 3px #747bf01c}.composer textarea{resize:none;max-height:180px;min-height:31px;flex:1;background:transparent;border:0;outline:0;color:var(--text);font:inherit;font-size:13px;line-height:1.6;padding:5px 0}.composer textarea::placeholder{color:#78869a}.send-button{width:34px;height:34px;border:0;border-radius:10px;color:white;background:linear-gradient(145deg,#9293fa,#626bd8);font-size:20px;cursor:pointer;flex:none}.send-button:disabled{opacity:.42;cursor:default}.footer-caption{text-align:center;color:#667286;font-size:9px;padding-top:10px}.login-screen{position:fixed;inset:0;z-index:10;background:radial-gradient(ellipse at 50% 42%,#1b2340 0%,#0c1018 55%);display:grid;place-items:center;padding:20px}.login-screen[hidden]{display:none}.login-card{width:min(390px,100%);border:1px solid #2b3549;border-radius:20px;background:#111823;padding:32px;box-shadow:0 25px 80px #0008}.login-card h1{font-size:23px;margin:0 0 9px}.login-card p:not(.eyebrow){font-size:12px;line-height:1.7;color:#9eabba;margin:0 0 20px}.login-card input{width:100%;height:44px;padding:0 12px;background:#0d131c;border:1px solid #313d50;border-radius:9px;color:white;outline:none;font:inherit;font-size:13px}.login-card input:focus{border-color:#8185ec}.login-submit{width:100%;height:43px;margin-top:11px;border:0;border-radius:9px;background:#7379e5;color:#fff;font-weight:600;cursor:pointer}.login-error{color:#f28e8e;font-size:11px;min-height:23px;padding-top:8px}.login-card small{color:#717f94;font-size:10px}.toast{position:fixed;bottom:90px;left:50%;transform:translate(-50%,12px);opacity:0;transition:.2s;pointer-events:none;background:#262f3e;border:1px solid #3b4658;padding:9px 14px;border-radius:9px;font-size:11px;color:#dbe2f0}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:720px){.sidebar{position:fixed;z-index:4;inset:0 auto 0 0;transform:translateX(-102%);transition:transform .2s;box-shadow:20px 0 50px #0008}.sidebar.open{transform:translateX(0)}.menu-button{display:block}.topbar{height:56px;padding:0 13px;gap:8px}.top-title{font-size:12px}.secure-badge{font-size:9px}.model-picker-wrap{gap:5px}.model-picker-wrap label{display:none}.model-picker-wrap select{max-width:138px;padding:7px 20px 7px 7px;font-size:10px}.conversation{padding:32px 16px 18px}.welcome{margin-top:5vh}.welcome h1{font-size:25px}.welcome-copy{font-size:12px}.suggestions{grid-template-columns:1fr;gap:8px;margin-top:26px;max-width:320px}.suggestion{min-height:47px;padding:9px 12px}.suggestion span{display:inline-block;margin:0 7px 0 0}.composer-area{padding:0 12px max(12px,env(safe-area-inset-bottom))}.composer{border-radius:13px}.footer-caption{font-size:8px}.message{gap:9px;margin:20px 0}.bubble{font-size:13px}.login-card{padding:27px 23px}}