:root{--bg: #0a0e1a;--bg-2: #111827;--panel: #131a2b;--border: #243049;--text: #e6ebf5;--muted: #8b97b0;--accent: #4fd1c5;--accent-2: #6366f1;--down: #34d399;--up: #f87171;--grid: rgba(79, 209, 197, .08)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Apple SD Gothic Neo,Malgun Gothic,sans-serif;line-height:1.6}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;border-bottom:1px solid var(--border);background:var(--bg-2);position:sticky;top:0;z-index:10}.brand{font-weight:800;letter-spacing:1px}.brand span{color:var(--accent);font-weight:600;margin-left:6px;font-size:.9em}.topbar-right{display:flex;align-items:center;gap:12px}.user-email{color:var(--muted);font-size:.9rem}.link-btn{background:none;border:1px solid var(--border);color:var(--text);padding:6px 14px;border-radius:8px;cursor:pointer;font-size:.9rem}.link-btn:hover{border-color:var(--accent)}.hero{position:relative;padding:72px 24px;text-align:center;overflow:hidden;background:radial-gradient(ellipse at top,#16203a 0%,var(--bg) 70%)}.hero-grid{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:40px 40px;-webkit-mask-image:radial-gradient(ellipse at center,black 30%,transparent 75%);mask-image:radial-gradient(ellipse at center,black 30%,transparent 75%)}.hero-content{position:relative}.hero h1{font-size:2.6rem;margin:0 0 12px;font-weight:800}.accent{color:var(--accent)}.hero-sub{font-size:1.2rem;color:var(--text);margin:0 0 6px}.hero-note{color:var(--muted);margin:0}.container{width:100%;max-width:1080px;margin:0 auto;padding:32px 24px 64px;flex:1}.error-banner{background:#f871711f;border:1px solid var(--up);color:#fecaca;padding:12px 16px;border-radius:10px;margin-bottom:20px}.input-section{margin-bottom:28px}.preset-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}.preset-chip{background:var(--panel);border:1px solid var(--border);color:var(--text);padding:8px 16px;border-radius:20px;cursor:pointer;font-size:.9rem}.preset-chip:hover{border-color:var(--accent)}.preset-chip.active{background:var(--accent);color:#06281f;border-color:var(--accent);font-weight:600}.prompt-form{display:flex;flex-direction:column;gap:14px}.prompt-wrap{position:relative}.prompt-input{width:100%;background:var(--panel);border:1px solid var(--border);color:var(--text);border-radius:12px;padding:16px;font-size:1rem;resize:vertical;font-family:inherit}.prompt-input:focus{outline:none;border-color:var(--accent)}.prompt-wrap.blurred .prompt-input{filter:blur(4px);pointer-events:none}.blur-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}.cta-btn,.run-btn{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#06281f;border:none;padding:14px 28px;border-radius:12px;font-size:1rem;font-weight:700;cursor:pointer}.run-btn{align-self:flex-start}.run-btn:disabled{opacity:.5;cursor:not-allowed}.loading{position:relative;padding:48px 24px;text-align:center;margin:24px 0;border:1px solid var(--border);border-radius:16px;background:var(--bg-2);overflow:hidden}.loading-grid{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:28px 28px;animation:drift 6s linear infinite}@keyframes drift{0%{background-position:0 0}to{background-position:28px 28px}}.progress-row{position:relative;display:flex;justify-content:center;gap:36px;margin-bottom:28px}.progress-item{display:flex;flex-direction:column;align-items:center;gap:10px;color:var(--muted)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.ad-slide{position:relative;font-size:1.15rem;min-height:1.6em;animation:fade .6s ease}@keyframes fade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.ad-dots{position:relative;display:flex;justify-content:center;gap:8px;margin-top:16px}.dot{width:8px;height:8px;border-radius:50%;background:var(--border)}.dot.active{background:var(--accent)}.results{margin-top:32px}.results-title{font-size:1.6rem;margin:0 0 4px}.results-prompt{color:var(--muted);margin:0 0 24px;font-style:italic}.highlight-bar{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:24px}.highlight{flex:1;min-width:200px;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px;text-align:center}.highlight.carbon{border-color:var(--down)}.highlight-num{font-size:2rem;font-weight:800;color:var(--accent)}.highlight.carbon .highlight-num{color:var(--down)}.highlight-label{color:var(--muted);font-size:.85rem;margin-top:4px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px;display:flex;flex-direction:column}.card-b{border-color:#6366f180}.card-c{border-color:#4fd1c580}.card-head h3{margin:0 0 2px;font-size:1.05rem}.card-sub{color:var(--muted);font-size:.8rem}.metrics{margin:16px 0 0;display:flex;flex-direction:column;gap:6px}.metrics>div{display:flex;justify-content:space-between;align-items:baseline}.metrics dt{color:var(--muted);font-size:.85rem;margin:0}.metrics dd{margin:0;font-weight:600;text-align:right}.metric-sub dt,.metric-sub dd{font-size:.78rem;color:var(--muted);font-weight:400}.reduction{font-size:.72rem;margin-left:8px;padding:1px 6px;border-radius:6px}.reduction.down{color:var(--down);background:#34d3991f}.reduction.up{color:var(--up);background:#f871711f}.response-detail{margin-top:16px;border-top:1px solid var(--border);padding-top:12px}.response-detail summary{cursor:pointer;color:var(--accent);font-size:.9rem}.response-text{white-space:pre-wrap;word-break:break-word;font-size:.82rem;color:var(--muted);margin:10px 0 0;max-height:320px;overflow:auto}.result-banner{margin-top:28px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;background:var(--bg-2);border:1px solid var(--border);border-radius:12px;padding:16px 20px;max-height:80px}.banner-cta{background:var(--accent);color:#06281f;text-decoration:none;padding:8px 18px;border-radius:8px;font-weight:700;font-size:.9rem}.d-section{margin-top:40px}.d-toggle{width:100%;display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#15203a,var(--panel));border:1px solid var(--border);color:var(--text);padding:18px 22px;border-radius:14px;cursor:pointer;font-size:1.05rem;font-weight:700}.d-chevron{color:var(--accent);font-size:1.4rem}.d-body{border:1px solid var(--border);border-top:none;border-radius:0 0 14px 14px;padding:22px;background:var(--panel)}.d-lead{margin:0 0 18px}.d-cards{display:flex;gap:12px;flex-wrap:wrap}.d-card{flex:1;min-width:140px;text-align:center;background:var(--bg-2);border:1px solid var(--border);border-radius:10px;padding:14px;color:var(--accent);font-weight:600}.d-foot{color:var(--muted);margin:18px 0 0;font-size:.9rem}.footer{border-top:1px solid var(--border);background:var(--bg-2)}.footer-inner{max-width:1080px;margin:0 auto;padding:24px;display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:.85rem;justify-content:center}.footer-inner a{color:var(--accent);text-decoration:none}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}.modal{position:relative;width:100%;max-width:420px;background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:28px}.modal-close{position:absolute;top:14px;right:16px;background:none;border:none;color:var(--muted);font-size:1.6rem;cursor:pointer;line-height:1}.modal-tabs{display:flex;gap:8px;margin-bottom:20px}.modal-tabs button{flex:1;background:var(--bg-2);border:1px solid var(--border);color:var(--muted);padding:10px;border-radius:8px;cursor:pointer;font-weight:600}.modal-tabs button.active{background:var(--accent);color:#06281f;border-color:var(--accent)}.auth-form{display:flex;flex-direction:column;gap:12px}.auth-form input[type=email],.auth-form input[type=password],.auth-form input[type=text]{background:var(--bg-2);border:1px solid var(--border);color:var(--text);padding:12px;border-radius:8px;font-size:.95rem}.auth-form input:focus{outline:none;border-color:var(--accent)}.consent{display:flex;align-items:flex-start;gap:8px;font-size:.85rem;color:var(--muted);cursor:pointer}.consent input{margin-top:3px}.form-error{color:#fecaca;font-size:.85rem}@media (max-width: 760px){.cards{grid-template-columns:1fr}.hero h1{font-size:2rem}}