:root{--navy:#071f42;--green:#16845b;--muted:#66768a;--line:#dce4ee;--soft:#f7fafc;--orange:#f97316;--blue:#0d6fb8;--shadow:0 20px 60px rgba(7,31,66,.13);--radius:22px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif;color:var(--navy);background:#f4f7fb}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;min-height:100vh;background:linear-gradient(180deg,#f8fbff,#eef5f2);overflow:hidden}button,input,textarea{font:inherit}button:disabled{opacity:.55;cursor:not-allowed}.app{height:100dvh;min-height:0;display:flex;flex-direction:column;overflow:hidden}.topbar{height:72px;flex:0 0 72px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 28px;border-bottom:1px solid rgba(220,228,238,.9);background:#ffffffdb;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.02em;line-height:1.05}.brand-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:999px;border:1px solid #dce7f1;background:#fff;overflow:hidden;flex-shrink:0}.brand-icon svg{width:42px;height:42px}.brand-title{font-size:15px;font-weight:950}.brand-title span{color:var(--green)}.brand-sub{font-size:11px;font-weight:800;color:var(--muted);margin-top:3px;letter-spacing:0}.top-actions{display:flex;align-items:center;gap:10px}.ghost-link{border:0;background:transparent;color:var(--navy);font-size:13px;font-weight:800;cursor:pointer;text-decoration:none}.signin-btn{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 16px;font-size:13px;font-weight:900;color:var(--navy);cursor:pointer;box-shadow:0 3px 12px #071f420a}.layout{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:18px;padding:22px;max-width:1380px;width:100%;margin:0 auto}.chat-shell,.journey-panel{background:#ffffffeb;border:1px solid rgba(220,228,238,.95);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.chat-shell{display:flex;flex-direction:column;height:100%;min-height:0}.chat-scroll{flex:1;min-height:0;overflow:auto;padding:34px 42px 18px;scroll-behavior:smooth}.hero{max-width:760px;margin:18px auto 26px;text-align:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid #d9eadf;background:#f3fbf6;color:var(--green);border-radius:999px;padding:8px 12px;font-size:12px;font-weight:900;margin-bottom:16px}.hero h1{font-size:44px;line-height:1.06;margin:0;letter-spacing:-.05em}.hero p{margin:16px auto 0;color:var(--muted);font-size:17px;line-height:1.55;max-width:680px}.suggestions{max-width:820px;margin:26px auto 10px;display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.suggestion{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;color:#243a56;font-size:13px;font-weight:800;cursor:pointer;transition:.18s ease;box-shadow:0 5px 18px #071f420d}.suggestion:hover{transform:translateY(-1px);border-color:#b7c7d8}.conversation{max-width:860px;margin:0 auto;display:grid;gap:18px}.msg{display:flex;gap:12px;align-items:flex-start;animation:rise .35s ease both}@keyframes rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.avatar{width:34px;height:34px;border-radius:999px;display:grid;place-items:center;flex-shrink:0;font-weight:900;font-size:13px}.avatar.user{background:#eaf2ff;color:#0b5ca5}.avatar.ai{background:#eaf8f0;color:var(--green)}.bubble{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px 16px;box-shadow:0 5px 18px #071f420d;max-width:720px;line-height:1.52;color:#1d2f48}.bubble.user-bubble{background:#f8fbff}.bubble strong{color:var(--navy)}.thinking{display:grid;gap:8px;padding:10px 0 2px}.checkline{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;font-weight:750}.check{width:18px;height:18px;border-radius:999px;background:#e8f7ef;color:var(--green);display:grid;place-items:center;font-size:12px;font-weight:900;flex:0 0 auto}.ai-card{margin-top:12px;border:1px solid #d7e7de;background:#fbfffd;border-radius:16px;overflow:hidden}.ai-card-head{padding:14px 15px;border-bottom:1px solid #e2eee8;display:flex;align-items:center;justify-content:space-between;gap:12px}.route-title{font-weight:950;letter-spacing:-.03em;font-size:18px}.small-muted{font-size:12px;color:var(--muted);font-weight:750}.mini-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:14px 15px}.mini{background:#fff;border:1px solid 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#cbd7e4;border-radius:22px;background:#fff;box-shadow:0 12px 36px #071f421a;display:flex;align-items:flex-end;gap:10px;padding:10px 10px 10px 18px}.composer textarea{border:0;outline:0;resize:none;min-height:48px;max-height:120px;flex:1;padding:12px 0;color:var(--navy);font-size:15px;line-height:1.4;background:transparent}.send{width:46px;height:46px;border-radius:999px;border:0;background:var(--green);color:#fff;font-weight:900;cursor:pointer;display:grid;place-items:center;flex-shrink:0}.hint{text-align:center;margin-top:10px;color:var(--muted);font-size:12px}.journey-panel{display:flex;flex-direction:column;height:100%;min-height:0;position:sticky;top:94px;max-height:calc(100dvh - 116px);transition:transform .25s ease,opacity .25s ease}.panel-empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:32px;color:var(--muted)}.panel-empty 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