:root{--bg: #0b1220;--panel: #121b2e;--panel2:#0f1729;--ink: #e7eefb;--muted:#8aa0c4;--teal:#14b8a6;--teal-d:#0e7c7b;--line:#22304d;--pri:#14b8a6}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Arial,sans-serif;background:var(--bg);color:var(--ink)}a{color:var(--teal);text-decoration:none}.shell{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:24px;padding:14px 28px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.brand{font-weight:800;font-size:20px;color:var(--ink)}.brand span{color:var(--teal)}.topbar nav{display:flex;gap:18px;align-items:center}.topbar nav a{color:var(--muted);font-weight:600;font-size:14px}.topbar .right{margin-left:auto;display:flex;gap:8px;align-items:center}.topbar select,.topbar button{background:var(--panel2);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:6px 10px}.help-btn{width:28px;height:28px;border-radius:50%;background:var(--teal-d);color:#fff!important;display:inline-flex;align-items:center;justify-content:center;font-weight:800}main{flex:1;padding:28px;max-width:1180px;margin:0 auto;width:100%}.foot{display:flex;justify-content:space-between;gap:12px;padding:16px 28px;color:var(--muted);font-size:12px;border-top:1px solid var(--line);flex-wrap:wrap}.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px;margin-bottom:20px}.muted{color:var(--muted)}.error{color:#ff8a8a}button.primary{background:var(--teal);color:#04231f;border:none;font-weight:700;border-radius:10px;padding:10px 16px;cursor:pointer}button.ghost{background:transparent;border:1px dashed var(--line);color:var(--muted);border-radius:10px;padding:10px;cursor:pointer}.landing .hero{display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;padding:24px 0 12px}.hero h1{font-size:42px;line-height:1.1;margin:0 0 12px}.hero .sub{color:var(--muted);font-size:18px}.cta-row{display:flex;gap:12px;margin-top:18px}.cta-row button{padding:12px 20px;border-radius:10px;border:1px solid var(--line);background:var(--panel2);color:var(--ink);cursor:pointer}.login-card{background:var(--panel2);border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:12px}.login-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}.login-card input{padding:10px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--ink)}.props{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}.prop{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}.prop h4{margin:0 0 6px;color:var(--teal)}.prop p{margin:0;color:var(--muted);font-size:14px}.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}.tier{background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center}.tier.featured{border-color:var(--teal);box-shadow:0 0 0 1px var(--teal) inset}.tier .price{font-size:24px;font-weight:800;margin:10px 0}.tier .price span{font-size:13px;color:var(--muted);font-weight:500}.tier ul{list-style:none;padding:0;color:var(--muted);font-size:14px}.toggle{display:inline-flex;gap:8px;align-items:center}.grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:14px}.stats div{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center}.stats b{font-size:26px;display:block;color:var(--teal)}.stats span{font-size:12px;color:var(--muted)}.kv{list-style:none;padding:0}.kv li{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line)}.portal-links{display:flex;flex-direction:column;gap:8px}.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}.module{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:14px;font-size:14px}.table{width:100%;border-collapse:collapse;margin-top:14px}.table th,.table td{text-align:left;padding:10px;border-bottom:1px solid var(--line);font-size:14px}.pill{color:#04231f;font-weight:700;padding:3px 9px;border-radius:20px;font-size:12px}.row-between{display:flex;justify-content:space-between;align-items:center}.result{background:var(--panel2);border:1px solid var(--teal-d);border-radius:10px;padding:12px;margin:12px 0;font-size:14px}code{background:var(--panel2);padding:2px 6px;border-radius:6px}@media (max-width:900px){.landing .hero,.grid,.props,.tiers,.module-grid,.stats{grid-template-columns:1fr}}