:root{--up-navy:#0e1c34;--up-ink:#1d2b45;--up-sky:#2f7df6;--up-sky-deep:#1f63d6;--up-sky-bright:#5ea0ff;--up-sky-soft:#e8f0fe;--up-bg:#f4f7fc;--up-card:#fff;--up-border:#dfe7f2;--up-text:#20293a;--up-muted:#67738d;--radius:16px;--font-display:"Bricolage Grotesque", "Avenir Next", system-ui, sans-serif;--font-body:"Schibsted Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;font-family:var(--font-body)}*{box-sizing:border-box}body{background:var(--up-bg);color:var(--up-text);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0}button{font:inherit;background:var(--up-sky);color:#fff;cursor:pointer;border:none;border-radius:999px;padding:.6rem 1.4rem;font-weight:700}button:disabled{opacity:.5;cursor:default}input,textarea{font:inherit;border:1px solid var(--up-border);border-radius:var(--radius);background:var(--up-card);width:100%;padding:.65rem 1rem}input:focus,textarea:focus{outline:2px solid var(--up-sky);border-color:#0000}.brand{font-family:var(--font-display);letter-spacing:-.02em;color:var(--up-navy);font-weight:800}.brand .accent{color:var(--up-sky)}.chat-shell{background:radial-gradient(120% 50% at 50% -10%, #dcebff 0%, #dcebff00 70%), radial-gradient(#2f7df612 1px, transparent 1.5px), var(--up-bg);background-size:auto,26px 26px,auto;flex-direction:column;max-width:680px;height:100dvh;margin:0 auto;display:flex}.chat-header{-webkit-backdrop-filter:blur(14px)saturate(1.4);backdrop-filter:blur(14px)saturate(1.4);z-index:2;background:#ffffffb8;border-bottom:1px solid #dfe7f2e6;padding:.9rem 1.25rem .85rem;position:sticky;top:0}.chat-header .brand{font-size:1.25rem}.chat-header .subtitle{color:var(--up-muted);margin-top:1px;font-size:.88rem}.progress-track{background:var(--up-sky-soft);border-radius:3px;height:5px;margin-top:.65rem;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--up-sky-deep), var(--up-sky-bright));border-radius:3px;height:100%;transition:width .7s cubic-bezier(.3,.8,.3,1)}.chat-scroll{overscroll-behavior:contain;flex-direction:column;flex:1;gap:.7rem;padding:1.25rem 1.25rem .9rem;display:flex;overflow-y:auto}.bubble{white-space:pre-wrap;border-radius:18px;max-width:85%;padding:.75rem 1.05rem;font-size:1rem;line-height:1.5;animation:.35s cubic-bezier(.2,.8,.3,1) both rise}.bubble.assistant{background:var(--up-card);border:1px solid var(--up-border);border-bottom-left-radius:6px;align-self:flex-start;box-shadow:0 2px 10px #101e360d}.bubble.user{background:linear-gradient(135deg, var(--up-sky) 0%, var(--up-sky-deep) 100%);color:#fff;border-bottom-right-radius:6px;align-self:flex-end;box-shadow:0 3px 12px #2f7df647}@keyframes rise{0%{opacity:0;transform:translateY(10px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.typing{gap:5px;padding:1rem 1.05rem;display:inline-flex}.typing span{background:var(--up-sky);border-radius:50%;width:7px;height:7px;animation:1.1s cubic-bezier(.45,0,.55,1) infinite lift}.typing span:nth-child(2){animation-delay:.14s}.typing span:nth-child(3){animation-delay:.28s}@keyframes lift{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}.chat-input{padding:.8rem 1.25rem calc(.8rem + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#ffffffd9;border-top:1px solid #dfe7f2e6;align-items:center;gap:.6rem;display:flex}.chat-input input{border-radius:999px;padding:.75rem 1.2rem;font-size:1rem;box-shadow:inset 0 1px 4px #101e360a}.send-btn{background:linear-gradient(160deg, var(--up-sky-bright) 0%, var(--up-sky-deep) 90%);flex-shrink:0;place-items:center;width:46px;height:46px;padding:0;transition:transform .15s,box-shadow .15s;display:grid;box-shadow:0 4px 12px #2f7df659}.send-btn:not(:disabled):hover{transform:translateY(-2px);box-shadow:0 6px 16px #2f7df666}.send-btn:not(:disabled):active{transform:translateY(0)}.attach-btn{background:var(--up-card);width:46px;height:46px;color:var(--up-muted);border:1px solid var(--up-border);flex-shrink:0;place-items:center;padding:0;transition:color .15s,border-color .15s;display:grid}.attach-btn:not(:disabled):hover{color:var(--up-sky);border-color:var(--up-sky)}.attach-spinner{border:2px solid var(--up-sky-soft);border-top-color:var(--up-sky);border-radius:50%;width:16px;height:16px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.bubble{animation:none}.typing span{animation-duration:1.6s}.send-btn,.progress-fill{transition:none}}.admin-shell{max-width:880px;margin:0 auto;padding:2rem 1.25rem}.admin-shell,.admin-login{--font-display:"Ubuntu", system-ui, sans-serif;--font-body:"Ubuntu", system-ui, sans-serif;font-family:var(--font-body)}.card{background:var(--up-card);border:1px solid var(--up-border);border-radius:var(--radius);margin-bottom:1rem;padding:1.25rem}.session-row{color:inherit;justify-content:space-between;align-items:center;gap:1rem;text-decoration:none;display:flex}.pill{background:var(--up-sky-soft);color:var(--up-sky);border-radius:999px;padding:.2rem .7rem;font-size:.78rem;font-weight:600}.pill.completed{color:#1e9e55;background:#e5f6ec}.muted{color:var(--up-muted);font-size:.9rem}.center-page{text-align:center;place-items:center;min-height:100dvh;padding:1.25rem;display:grid}.brief-markdown h1,.brief-markdown h2{color:var(--up-navy);font-family:var(--font-display)}.brief-markdown{line-height:1.6}.logo-card{align-items:center;gap:1rem;display:flex}.logo-preview{object-fit:contain;border:1px solid var(--up-border);background:repeating-conic-gradient(#f0f3f9 0% 25%,#fff 0% 50%) 0 0/16px 16px;border-radius:10px;width:84px;height:84px;padding:6px}