@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap");:root{--background:#080d18;--surface:#111a2b;--surface-light:#172338;--primary:#8b7cff;--primary-light:#b4aaff;--text:#f1f3fa;--muted:#929db2;--border:hsla(0,0%,100%,.09)}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--background);color:var(--text);font-family:DM Sans,sans-serif}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.app-container{width:100%;min-height:100vh;overflow:hidden;background:radial-gradient(ellipse at 50% 0,rgba(105,85,220,.14),transparent 50%),var(--background)}.navbar{max-width:1180px;margin:auto;padding:25px 24px;justify-content:space-between;border-bottom:1px solid var(--border)}.brand,.navbar{display:flex;align-items:center}.brand{gap:12px}.brand-icon{width:44px;height:44px;border-radius:13px;background:linear-gradient(135deg,#9886ff,#5946d9);display:grid;place-items:center;font-size:25px;font-weight:800;color:#fff}.brand h2,.brand-icon{font-family:Outfit,sans-serif}.brand h2{font-size:22px}.brand span{font-size:11px;color:var(--muted)}.nav-right{display:flex;align-items:center;gap:24px}.status{font-size:13px;color:var(--muted)}.status-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#35d69b;margin-right:7px}.nav-button{background:var(--primary);color:#fff;border:none;border-radius:9px;padding:11px 20px;font-weight:600}.hero{text-align:center;max-width:800px;margin:75px auto 45px;padding:0 20px}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border:1px solid rgba(139,124,255,.3);background:rgba(139,124,255,.09);border-radius:30px;color:var(--primary-light);font-size:12px;font-weight:600;margin-bottom:25px}.hero h1{font-family:Outfit,sans-serif;font-size:clamp(36px,5vw,58px);line-height:1.12;letter-spacing:-1.8px}.hero h1 span{background:linear-gradient(90deg,#a99aff,#68c9fa);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-description{color:var(--muted);max-width:660px;margin:23px auto 0;font-size:15px;line-height:1.8}.chat-section{max-width:820px;margin:0 auto 75px;border:1px solid var(--border);border-radius:18px;overflow:hidden;background:rgba(17,26,43,.92);box-shadow:0 25px 80px rgba(0,0,0,.35)}.chat-header{padding:20px 25px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.assistant-profile{display:flex;align-items:center;gap:12px}.assistant-avatar,.welcome-icon{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,#9985ff,#5743d8);display:grid;place-items:center;font-size:22px;color:#fff}.assistant-profile h3{font-size:14px;margin-bottom:4px}.assistant-profile span{font-size:11px;color:var(--muted)}.online-label{color:#42d9a1;font-size:11px}.chat-content{padding:35px 30px 22px}.welcome-message{text-align:center;max-width:530px;margin:0 auto 40px}.welcome-icon{margin:0 auto 18px;width:55px;height:55px;font-size:26px}.welcome-message h2{font-family:Outfit,sans-serif;font-size:25px;margin-bottom:12px}.welcome-message p{color:var(--muted);font-size:13px;line-height:1.8}.suggestions-title{font-size:12px;color:var(--muted);margin-bottom:13px}.suggestions{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px;margin-bottom:25px}.suggestion{display:flex;justify-content:space-between;padding:14px;border:1px solid var(--border);border-radius:9px;background:var(--surface-light);color:#d6d9e8;font-size:12px;text-align:left;transition:.2s}.suggestion:hover{border-color:var(--primary);background:rgba(139,124,255,.1)}.suggestion span{color:var(--primary-light)}.input-area{display:flex;align-items:center;gap:12px;background:#0b1322;border:1px solid rgba(139,124,255,.3);border-radius:12px;padding:9px 12px}.input-area input{flex:1 1;min-width:0;outline:none;border:none;background:transparent;color:#fff;font-size:13px}.input-area input::placeholder{color:#748097}.send-button,.upload-button{width:36px;height:36px;flex-shrink:0;border:none;border-radius:9px;font-size:22px}.upload-button{background:var(--surface-light);color:var(--primary-light)}.send-button{background:var(--primary);color:#fff;font-size:23px}.input-note{text-align:center;color:#6f7b91;font-size:10px;margin-top:13px}.selected-file{display:flex;justify-content:space-between;align-items:center;background:var(--surface-light);padding:10px 14px;border-radius:8px;margin-bottom:12px;font-size:12px}.selected-file button{border:none;background:none;color:var(--muted)}.messages{display:flex;flex-direction:column;gap:20px;margin-bottom:30px}.message{display:flex;align-items:flex-start;gap:12px}.message.user{flex-direction:row-reverse}.message-avatar{width:32px;height:32px;flex-shrink:0;display:grid;place-items:center;border-radius:10px;background:var(--surface-light);font-size:13px}.message.assistant .message-avatar{background:var(--primary)}.message-text{max-width:85%;padding:13px 16px;border-radius:10px;background:var(--surface-light);color:#dce1ee;font-size:13px;line-height:1.7}.message.user .message-text{background:rgba(139,124,255,.17)}.features{max-width:1050px;padding:0 24px;margin:0 auto 80px;display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}.feature-card{padding:25px;background:rgba(17,26,43,.7);border:1px solid var(--border);border-radius:13px;transition:.2s}.feature-card:hover{transform:translateY(-4px);border-color:rgba(139,124,255,.5)}.feature-icon{width:42px;height:42px;display:grid;place-items:center;background:rgba(139,124,255,.13);color:var(--primary-light);border-radius:10px;font-size:22px;margin-bottom:18px}.feature-card h3{font-family:Outfit,sans-serif;font-size:17px;margin-bottom:10px}.feature-card p{font-size:12px;color:var(--muted);line-height:1.8}.footer{max-width:1180px;margin:auto;padding:25px 24px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:11px}.footer-brand strong{color:#fff}@media (max-width:650px){.navbar{padding:18px 15px}.brand span{font-size:9px}.nav-right{gap:10px}.status{display:none}.nav-button{padding:9px 12px;font-size:11px}.hero{margin-top:55px}.hero h1{letter-spacing:-1px}.hero-description{font-size:13px}.chat-section{margin:0 12px 55px}.chat-content{padding:28px 15px 18px}.features,.suggestions{grid-template-columns:1fr}.features{padding:0 15px}.footer{flex-direction:column;text-align:center}.input-area input{font-size:11px}}