:root{--bg:#07111d;--panel:#0d1b2b;--panel2:#12243a;--line:#233852;--text:#f3f7fb;--muted:#91a4b9;--blue:#1687ff;--cyan:#42c9ff;--green:#37d67a;--yellow:#f5c451;--red:#ff5364;--radius:16px}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 50% -10%,#15314e 0,#07111d 38%,#050b13 100%);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.shell{min-height:100vh}.topbar{height:66px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;background:rgba(7,17,29,.88);backdrop-filter:blur(16px);position:sticky;top:0;z-index:10}.brand{font-weight:800;font-size:20px;letter-spacing:-.4px}.brand span{color:var(--blue)}.status{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px}.dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 12px rgba(55,214,122,.7)}.hero{max-width:1080px;margin:0 auto;padding:110px 24px 80px;text-align:center}.eyebrow{display:inline-flex;padding:7px 12px;border:1px solid #24486c;border-radius:999px;color:#9dc8ef;background:#0b1c2e;font-size:12px;font-weight:700;letter-spacing:.08em}.hero h1{font-size:clamp(42px,7vw,78px);line-height:.98;margin:24px 0 18px;letter-spacing:-.055em}.hero h1 em{font-style:normal;color:#79bfff}.hero p{max-width:700px;margin:0 auto;color:var(--muted);font-size:18px;line-height:1.65}.actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:34px}.btn{border:1px solid var(--line);border-radius:10px;padding:12px 18px;background:#102136;color:white;cursor:pointer;font-weight:750}.btn.primary{background:linear-gradient(135deg,#087bff,#20a1ff);border-color:#269bff}.btn.ghost:hover,.btn:hover{filter:brightness(1.1)}.joinbox{display:none;max-width:440px;margin:22px auto 0;padding:16px;background:rgba(13,27,43,.9);border:1px solid var(--line);border-radius:var(--radius);gap:8px}.joinbox.show{display:flex}.field{width:100%;background:#081421;border:1px solid var(--line);color:white;border-radius:9px;padding:12px}.features{max-width:980px;margin:40px auto 0;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.feature{padding:16px;border:1px solid #18314b;background:rgba(10,24,39,.68);border-radius:12px;color:#9bb0c6;font-size:13px}.layout{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 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/* v0.3 — Sessão 02: Central operacional */
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