:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#182033;background:#f7f9fc;--blue:#4f7cff;--ink:#182033;--muted:#8791a4;--line:#e9edf4;--card:#fff}
*{box-sizing:border-box;-webkit-user-select:none;user-select:none}
html,body{margin:0;width:100%;min-height:100%;background:radial-gradient(circle at 90% 0,#edf3ff 0,transparent 35%),#f7f9fc}
button,textarea{font:inherit}button{border:0;background:none;color:inherit;cursor:pointer}
textarea{-webkit-user-select:text;user-select:text;resize:none;outline:0}
.app{width:min(100%,720px);min-height:100dvh;margin:auto;display:flex;flex-direction:column;padding:env(safe-area-inset-top) 20px env(safe-area-inset-bottom)}
.topbar{height:74px;display:flex;align-items:center;justify-content:space-between;gap:12px}.icon-button{width:42px;height:42px;border-radius:14px;display:grid;place-content:center;color:#647087;font-size:21px}.icon-button:active,.model-button:active,.quick-card:active{background:#edf1f8}
.menu-button{gap:4px}.menu-button i{display:block;width:18px;height:2px;border-radius:2px;background:#647087}.model-button{display:flex;align-items:center;gap:9px;padding:10px 14px;border-radius:16px;color:#47536a;font-size:14px;font-weight:650}.model-button b{font-size:17px;color:#9ca6b6}.model-dot{display:block;width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,#64a2ff,#846cff);box-shadow:0 0 0 4px #edf2ff}.model-dot.light{background:#49c8a1}.model-dot.pro{background:#f39a62}
.main{flex:1;display:flex;flex-direction:column;justify-content:center;padding:20px 0 50px}.welcome{padding:0 8px 32px}.eyebrow{font-size:11px;letter-spacing:.2em;color:var(--blue);font-weight:800;margin-bottom:15px}.welcome h1{font-size:clamp(36px,9vw,62px);line-height:1.05;letter-spacing:-.055em;margin:0;color:var(--ink);font-weight:760}.welcome p{margin:19px 0 0;color:var(--muted);font-size:15px}
.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.quick-card{min-height:128px;text-align:left;padding:18px;border:1px solid var(--line);border-radius:22px;background:var(--card);box-shadow:0 8px 28px #243b6610;transition:transform .2s,box-shadow .2s}.quick-card:hover{transform:translateY(-2px);box-shadow:0 14px 32px #243b6617}.quick-card strong,.quick-card small{display:block}.quick-card strong{font-size:14px;margin-top:17px}.quick-card small{color:var(--muted);font-size:11px;margin-top:6px;line-height:1.35}.card-icon{display:grid;place-content:center;width:31px;height:31px;border-radius:11px;font-size:18px}.blue{color:#4878ed;background:#edf3ff}.violet{color:#946df1;background:#f3efff}.orange{color:#e6924d;background:#fff3e8}.green{color:#35a982;background:#eafaf4}
.composer-wrap{padding-bottom:12px}.composer{border:1px solid #e0e6f0;background:#fff;border-radius:21px;padding:12px 13px 9px;box-shadow:0 12px 35px #243b6614}.composer textarea{display:block;width:100%;border:0;color:var(--ink);font-size:15px;line-height:1.4;min-height:27px}.composer textarea::placeholder{color:#a7afbd}.composer-actions{height:32px;display:flex;align-items:center}.plus-button{font-size:23px;color:#8994a7}.composer-hint{margin-left:auto;color:#b1b8c5;font-size:10px}.send-button{width:31px;height:31px;border-radius:11px;background:var(--blue);color:#fff;font-size:19px;margin-left:10px}.footer-note{text-align:center;color:#a4adbc;font-size:10px;padding-top:9px}
.drawer-backdrop,.modal-backdrop{position:fixed;inset:0;background:#18203338;opacity:0;pointer-events:none;transition:opacity .22s;z-index:5}.drawer,.model-modal{position:fixed;z-index:6;background:#fff;box-shadow:0 20px 80px #18203335}.drawer{right:0;top:0;height:100dvh;width:min(88vw,390px);padding:28px 22px;transform:translateX(105%);transition:transform .25s}.drawer.open{transform:translateX(0)}.drawer.open~.drawer-backdrop,.modal-open{opacity:1;pointer-events:auto}.drawer-head,.modal-head{display:flex;justify-content:space-between;align-items:center;font-size:19px}.close-button{font-size:27px;color:#9aa4b5}.settings-group{margin-top:34px}.setting-row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}.setting-row strong,.setting-row small{display:block}.setting-row strong{font-size:14px}.setting-row small{color:var(--muted);font-size:11px;margin-top:5px}.switch{flex:none;width:42px;height:24px;border-radius:20px;background:#dfe5ee;padding:3px;transition:.2s}.switch:after{content:"";display:block;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 4px #0002;transition:.2s}.switch.on{background:var(--blue)}.switch.on:after{transform:translateX(18px)}.drawer-foot{position:absolute;bottom:25px;color:#a3adbc;font-size:11px}
.model-modal{left:50%;top:50%;width:min(calc(100vw - 36px),410px);padding:22px;border-radius:26px;transform:translate(-50%,-45%) scale(.96);opacity:0;pointer-events:none;transition:.22s}.model-modal.open{transform:translate(-50%,-50%) scale(1);opacity:1;pointer-events:auto}.model-option{width:100%;display:flex;align-items:center;text-align:left;gap:14px;padding:16px 4px;border-bottom:1px solid var(--line)}.model-option div{flex:1}.model-option strong,.model-option small{display:block}.model-option strong{font-size:14px}.model-option small{font-size:11px;color:var(--muted);margin-top:4px}.model-option>b{opacity:0;color:var(--blue)}.model-option.active>b{opacity:1}.boot{position:fixed;inset:0;background:#0d1220;color:#fff;z-index:20;display:grid;place-content:center;text-align:center;transition:opacity .45s}.boot.done{opacity:0;pointer-events:none}.boot-name{font-size:12px;letter-spacing:.45em;margin-left:.45em;margin-top:20px}.boot-mark{display:flex;justify-content:center;gap:4px}.boot-mark span{width:11px;height:34px;border-radius:8px;background:linear-gradient(#83a8ff,#506eff);transform:rotate(28deg)}.boot-mark span:nth-child(2){height:43px;transform:rotate(0)}.boot-mark span:nth-child(3){transform:rotate(-28deg)}body.lighting:before{content:"";position:fixed;inset:-20%;z-index:-1;background:radial-gradient(circle at 20% 20%,#6b8dff33,transparent 25%),radial-gradient(circle at 80% 70%,#d58cff22,transparent 26%);animation:glow 8s ease-in-out infinite alternate}body.blur .composer,body.blur .drawer,body.blur .model-modal{backdrop-filter:blur(22px);background:#ffffffc9}body.elastic button:active{transform:scale(.96)}body.motion-off *{transition:none!important;animation:none!important}@keyframes glow{to{transform:translate(4%, -3%) scale(1.08)}}
@media(max-width:430px){.app{padding-left:16px;padding-right:16px}.quick-card{min-height:119px;padding:15px}.welcome{padding-left:4px}}