@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap");

:root{--bg:#0b0d10;--bg2:#10151a;--accent:#ff5500;--accent2:#ff8a5b;--text:#f4f0eb;--muted:#9299a2;--line:rgba(255,255,255,.1);--glass:rgba(19,23,28,.72);--danger:#ff6b68;--radius:18px}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{background:radial-gradient(900px 600px at 50% 105%,rgba(255,85,0,.08),transparent 65%),var(--bg);color:var(--text);font:15px/1.6 Manrope,sans-serif;overflow:hidden}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.035;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E")}
#particleCanvas{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.38}
.glass{background:linear-gradient(135deg,rgba(255,255,255,.075),rgba(255,255,255,.025));backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border:1px solid var(--line);box-shadow:0 24px 80px rgba(0,0,0,.22)}
.navbar{position:fixed;top:16px;left:18px;right:18px;height:64px;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-radius:16px}
.navbar-brand{display:flex;align-items:center;gap:11px;font:600 16px Space Grotesk,sans-serif;letter-spacing:-.3px}
.brand-mark{display:grid;place-items:center;width:31px;height:31px;border-radius:10px;background:var(--accent);box-shadow:0 0 24px rgba(255,85,0,.34)}
.brand-mark svg{width:19px;fill:none;stroke:#fff;stroke-width:1.5;stroke-linejoin:round}
.brand-name strong{color:var(--accent2);font-weight:700}
.navbar-actions{display:flex;align-items:center;gap:12px}.model-switcher{display:flex;align-items:center;gap:9px}
.model-switcher-label,.field>span{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted)}
.model-switcher select,.field input,.field textarea,.field select{background:rgba(0,0,0,.24);color:var(--text);border:1px solid var(--line);border-radius:10px;font:inherit}
.model-switcher select{padding:8px 12px;max-width:220px;cursor:pointer}
select option{background:#171b20}.icon-btn,.send-btn{display:inline-grid;place-items:center;cursor:pointer;transition:transform .18s ease,border-color .2s ease,box-shadow .2s ease}
.icon-btn{width:40px;height:40px;border-radius:11px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text)}
.icon-btn svg,.send-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{transform:translateY(-2px);border-color:rgba(255,85,0,.6);box-shadow:0 8px 24px rgba(255,85,0,.16)}.icon-btn:active,.send-btn:active{transform:scale(.93)}
.wand-btn{color:var(--accent2)}
.primary-btn{background:var(--accent);color:white;border:0;border-radius:11px;padding:12px 20px;font-weight:800;cursor:pointer;transition:transform .18s,box-shadow .2s}
.primary-btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(255,85,0,.28)}.primary-btn:disabled,.send-btn:disabled{opacity:.5;cursor:not-allowed}
.chat-shell{position:relative;z-index:5;height:100dvh;display:flex;flex-direction:column}.messages{flex:1;overflow-y:auto;padding:112px 16px 30px;scroll-behavior:smooth}
.messages::-webkit-scrollbar{width:6px}.messages::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:9px}
.welcome{max-width:700px;margin:12vh auto 0;padding:44px 42px;border-radius:24px;text-align:center;animation:rise .65s both}
.welcome:before{content:"";display:block;width:55px;height:3px;margin:0 auto 25px;background:var(--accent);box-shadow:0 0 18px var(--accent)}
.welcome h1{font:600 clamp(28px,5vw,44px)/1.05 Space Grotesk,sans-serif;letter-spacing:-1.8px;margin-bottom:18px}.accent{color:var(--accent2)}
.welcome p{color:var(--muted);max-width:550px;margin:0 auto 12px}.welcome-hint{font-size:12px!important;color:#747c86!important;margin-top:22px!important}.welcome strong{color:var(--text)}
.message{display:flex;max-width:860px;margin:0 auto 20px;animation:rise .35s both}.message.user{justify-content:flex-end}.bubble{max-width:78%;padding:15px 18px;border-radius:18px;overflow-wrap:anywhere;box-shadow:0 12px 35px rgba(0,0,0,.13)}
.message.user .bubble{background:linear-gradient(145deg,rgba(255,85,0,.26),rgba(255,85,0,.09));border:1px solid rgba(255,115,65,.35);border-bottom-right-radius:5px}
.message.ai .bubble{background:rgba(23,28,34,.7);border:1px solid var(--line);border-bottom-left-radius:5px}.message.error .bubble{background:rgba(255,70,70,.1);border:1px solid rgba(255,90,90,.35);color:#ffb8b5}
.bubble-label{display:block;font:500 10px DM Mono,monospace;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted);margin-bottom:7px}.message.user .bubble-label{color:var(--accent2)}
.bubble p{margin:0 0 11px}.bubble p:last-child{margin-bottom:0}.bubble h1,.bubble h2,.bubble h3{font-family:Space Grotesk,sans-serif;margin:16px 0 8px}.bubble ul,.bubble ol{margin:7px 0 12px 22px}.bubble a{color:var(--accent2)}
.bubble code{background:rgba(255,255,255,.08);border-radius:5px;padding:2px 6px;font:13px DM Mono,monospace}.bubble pre{background:#0b0f13;border:1px solid var(--line);border-radius:12px;padding:15px;overflow:auto;margin:12px 0}.bubble pre code{background:none;padding:0;line-height:1.55}.bubble table{border-collapse:collapse;width:100%;margin:12px 0;font-size:13px}.bubble th,.bubble td{border:1px solid var(--line);padding:8px 11px;text-align:left}.bubble th{background:rgba(255,85,0,.12)}.bubble blockquote{border-left:2px solid var(--accent);padding-left:13px;color:var(--muted);margin:12px 0}
.bubble img.chat-image{display:block;max-width:100%;border-radius:13px;margin:8px 0;border:1px solid var(--line)}.bubble .chip{display:inline-flex;gap:6px;background:rgba(255,255,255,.07);border:1px solid var(--line);border-radius:8px;padding:4px 9px;font-size:12px;margin:0 6px 8px 0}
.typing .bubble{display:flex;gap:6px;align-items:center;padding:17px 19px}.typing .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:bounce 1.2s infinite}.typing .dot:nth-child(2){animation-delay:.15s}.typing .dot:nth-child(3){animation-delay:.3s}
.composer{width:min(860px,calc(100% - 28px));margin:0 auto 20px;padding:11px;border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.4),0 0 0 1px rgba(255,85,0,.05)}.composer-row{display:flex;align-items:flex-end;gap:9px}.message-input{flex:1;resize:none;min-height:44px;max-height:160px;background:rgba(0,0,0,.3);border:1px solid var(--line);border-radius:12px;color:var(--text);font:14px/1.5 Manrope,sans-serif;padding:11px 14px;transition:border-color .2s,box-shadow .2s}.message-input:focus,.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,85,0,.12)}.message-input::placeholder{color:#69717b}.send-btn{width:44px;height:44px;border:0;border-radius:12px;background:var(--accent);color:#fff}.send-btn:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(255,85,0,.3)}
.attachment-tray{display:flex;flex-wrap:wrap;gap:8px;padding:0 2px 10px}.attachment-tray .chip{display:inline-flex;align-items:center;gap:7px;background:rgba(0,0,0,.25);border:1px solid var(--line);border-radius:10px;padding:5px 8px 5px 10px;font-size:12px}.attachment-tray .chip img{width:25px;height:25px;object-fit:cover;border-radius:6px}.chip-remove{border:0;background:none;color:var(--muted);cursor:pointer;font-size:13px;padding:2px 5px}.chip-remove:hover{color:var(--danger)}
.drop-overlay{position:fixed;inset:0;z-index:60;display:grid;place-items:center;background:rgba(11,13,16,.82);backdrop-filter:blur(10px);opacity:0;pointer-events:none;transition:opacity .2s}.drop-overlay.visible{opacity:1;pointer-events:all}.drop-overlay-inner{text-align:center;border:1px dashed var(--accent);border-radius:20px;padding:55px 70px;background:rgba(255,85,0,.1)}.drop-overlay-icon{display:block;color:var(--accent);margin-bottom:12px}.drop-overlay-icon svg{width:42px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}.drop-overlay-inner small{color:var(--muted)}
.modal-backdrop{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:18px;background:rgba(5,7,9,.76);backdrop-filter:blur(8px);animation:fade .2s}.modal{width:min(500px,100%);max-height:90dvh;display:flex;flex-direction:column;border-radius:22px;animation:pop .3s cubic-bezier(.2,.9,.3,1.1)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:23px 24px 13px}.modal-header h2{font:600 23px Space Grotesk,sans-serif;letter-spacing:-.7px}.title-kicker{display:block;color:var(--accent);font:500 9px DM Mono,monospace;letter-spacing:1.7px;text-transform:uppercase;margin-bottom:5px}.modal-close{width:32px;height:32px}.modal-body{padding:8px 24px;overflow-y:auto}.modal-note{font-size:12px;color:var(--muted);background:rgba(255,85,0,.08);border:1px solid rgba(255,85,0,.2);border-radius:11px;padding:11px 13px;margin-bottom:18px}.modal-note code{color:var(--accent2)}.modal-footer{padding:15px 24px 24px;display:flex;justify-content:flex-end}.field{display:block;margin-bottom:17px}.field>span{display:block;margin-bottom:7px}.field>span em{text-transform:none;letter-spacing:0;font-weight:400}.field input,.field textarea,.field select{width:100%;padding:11px 13px;font-size:14px}.field textarea{resize:vertical}.field small{display:block;margin-top:5px;font-size:11px;color:var(--muted)}.image-status{font-size:13px;color:var(--muted);padding-top:5px}.image-status.error{color:var(--danger)}
@keyframes rise{from{opacity:0;transform:translateY(13px)}to{opacity:1;transform:none}}@keyframes fade{from{opacity:0}to{opacity:1}}@keyframes pop{from{opacity:0;transform:translateY(15px) scale(.97)}to{opacity:1;transform:none}}@keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-6px);opacity:1}}
@media(max-width:640px){.navbar{top:9px;left:9px;right:9px;height:58px;padding:0 11px}.brand-name{font-size:14px}.brand-mark{width:29px;height:29px}.model-switcher-label{display:none}.model-switcher select{max-width:132px;font-size:11px;padding:7px 8px}.messages{padding:88px 10px 20px}.welcome{margin-top:7vh;padding:32px 20px;border-radius:19px}.welcome h1{font-size:30px}.bubble{max-width:91%;padding:13px 14px}.composer{width:calc(100% - 16px);margin-bottom:9px;padding:8px;border-radius:17px}.composer-row{gap:6px}.icon-btn{width:37px;height:37px}.message-input{font-size:14px;min-width:0}.send-btn{width:42px;height:42px}.modal-backdrop{padding:8px}.modal{max-height:calc(100dvh - 16px);border-radius:18px}.modal-header,.modal-body{padding-left:18px;padding-right:18px}.modal-footer{padding:12px 18px 18px}.drop-overlay-inner{padding:44px 30px}}