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(max-width:820px){.app{display:block;padding:0;height:100dvh}.chat{height:100dvh;border-radius:0;border:0}.chat::before{background:linear-gradient(90deg,transparent 22px,var(--margin) 22px,var(--margin) 23.5px,transparent 23.5px),repeating-linear-gradient(180deg,transparent 0 31px,var(--rule) 31px 32px)}.chat-head{padding:10px 12px 10px 12px;padding-top:max(10px,env(safe-area-inset-top))}.btn.menu{display:grid;gap:4px;align-content:center;justify-items:center}.menu span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px}.menu span:nth-child(2){width:11px}.title{flex-direction:column;gap:2px}.kicker{font-size:17px}.title h1{font-size:19px;max-width:100%}.model-chip{display:none}.messages{padding:20px 16px 16px 36px;gap:18px}.welcome{grid-template-columns:1fr 92px;gap:6px 14px}.eyebrow{font-size:18px}.hero-title{font-size:33px}.lead{grid-column:1/-1;font-size:16px;margin-top:14px}.sticker{width:108px;padding:9px 8px 6px;grid-row:span 1;margin-top:8px}.tape{width:46px;height:16px;top:-8px}.mode-cards{margin-top:18px}.mode-card{grid-template-columns:34px 1fr}.mode-card .ic{font-size:24px}.mode-card b{font-size:17px}.mode-card small{font-size:13.5px}.msg{grid-template-columns:28px minmax(0,1fr);gap:10px}.avatar{width:28px;height:28px}.composer{margin:0 12px 0 36px}.foot-note{margin:0 12px 8px 36px;font-size:15px;padding-bottom:env(safe-area-inset-bottom)}.side{position:fixed;inset:0 auto 0 0;width:min(330px,88vw);z-index:30;border-radius:0 10px 10px 0;border:0;transform:translateX(-102%);transition:transform .3s ease;box-shadow:12px 0 40px -10px rgba(0,0,0,.35)}.side.open{transform:none}.app:has(.side.open)::after{content:"";position:fixed;inset:0;z-index:20;background:rgba(30,24,14,.4);pointer-events:none}.dialog-actions{flex-wrap:wrap}}@media (prefers-reduced-motion:reduce){*,::after,::before{animation:none!important;transition:none!important;scroll-behavior:auto!important}}[data-theme=dark] .chat::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:-1;opacity:.55;mix-blend-mode:soft-light;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 .95 0 0 0 0 .85 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}[data-theme=dark] .chat{isolation:isolate}[data-theme=dark] .side{background-image:linear-gradient(rgba(255,240,215,.018),rgba(255,240,215,0) 40%)}[data-theme=dark] .chat-head,[data-theme=dark] .composer{border-color:rgba(239,231,214,.82)}[data-theme=dark] .composer:focus-within{border-top-color:var(--accent)}[data-theme=dark] pre{background:#0c0b0a;color:#efe7d6;border:1px solid var(--line)}[data-theme=dark] dialog::backdrop{background:rgba(5,4,3,.65)}[data-theme=dark] .app:has(.side.open)::after{background:rgba(5,4,3,.55)}[data-theme=dark] ::selection{background:rgba(255,212,84,.35);color:#fff8ea}[data-theme=dark] .keynote{background:rgba(255,125,82,.07);border:1.5px dashed rgba(255,125,82,.45);color:#d4cab6}.history{display:flex;flex-direction:column;gap:10px;padding-bottom:18px;border-bottom:1.5px dashed var(--line)}.hist-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.hist-head h2{margin:0;font:700 12px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.btn.new-chat{padding:5px 11px;font-size:13.5px;border-radius:7px 9px 6px 8px;transform:rotate(-.6deg)}.btn.new-chat:hover{transform:rotate(0)}.hist-empty{margin:0;font:600 19px/1.15 var(--hand);color:var(--muted);transform:rotate(-1deg)}.hist-list{list-style:none;margin:0;padding:2px 6px 6px 2px;display:flex;flex-direction:column;gap:9px;max-height:min(300px,38vh);overflow-y:auto;scrollbar-width:thin}.hist-list:empty{display:none}.hist-item{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:2px 3px 2px 4px;background-image:linear-gradient(transparent 27px,var(--margin) 27px,var(--margin) 28px,transparent 28px),repeating-linear-gradient(transparent 0 46px,var(--rule) 46px 47px);box-shadow:1px 2px 0 rgba(0,0,0,.06);transition:transform .15s}.hist-item:nth-child(odd){transform:rotate(-.35deg)}.hist-item:nth-child(2n){transform:rotate(.3deg)}.hist-item:hover{transform:rotate(0) translateX(2px)}.hist-open{display:block;width:100%;text-align:left;background:0 0;border:0;color:var(--ink);cursor:pointer;padding:6px 28px 7px 11px;font:inherit}.hist-title{display:block;font-weight:700;font-size:14px;line-height:21px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hist-when{display:block;margin-top:3px;font:600 16.5px/1.1 var(--hand);color:var(--muted)}.hist-when i{font-style:normal;color:var(--accent)}.hist-item.on{border-color:var(--accent);box-shadow:3px 3px 0 var(--accent-soft)}.hist-item.on .hist-title{background:linear-gradient(transparent 55%,var(--hl) 55%,var(--hl) 92%,transparent 92%);display:inline-block;max-width:100%;vertical-align:top}.hist-del{position:absolute;top:3px;right:4px;width:26px;height:26px;border:0;border-radius:50%;background:0 0;color:var(--faint);font:400 20px/1 var(--sans);cursor:pointer;opacity:0;transition:opacity .15s,color .15s}.hist-del:focus-visible,.hist-item:hover .hist-del{opacity:1}.hist-del:hover{color:var(--bad)}@media (hover:none){.hist-del{opacity:1}}.hist-foot{display:flex;flex-direction:column;gap:8px}.hist-foot .danger{font:700 13.5px/1.2 var(--sans);border:0;background:0 0;color:var(--muted);cursor:pointer;text-decoration:underline;text-decoration-style:wavy;text-decoration-color:var(--margin);text-underline-offset:4px;padding:4px 0;align-self:flex-start}.hist-foot .danger:hover{color:var(--bad)}.hist-confirm{border:1.5px dashed var(--bad);border-radius:4px;padding:10px 11px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}.hist-confirm[hidden]{display:none}.hist-confirm p{margin:0 0 2px;flex-basis:100%;font-size:13.5px;color:var(--ink)}.hist-confirm .btn{padding:5px 11px;font-size:13.5px}.btn.yes{border-color:var(--bad);color:var(--bad)}.btn.yes:hover{background:var(--bad);color:var(--paper)}[data-theme=dark] .hist-item{box-shadow:1px 2px 0 rgba(0,0,0,.4)}[data-theme=dark] .hist-item.on{box-shadow:3px 3px 0 rgba(255,125,82,.18)}@media (prefers-reduced-motion:reduce){.btn.new-chat,.hist-item,.hist-item:nth-child(n){transform:none;transition:none}}