:root{--blue:#0b6bff;--navy:#08183f;--muted:#66728a;--line:#dbe8f6;--card:#fff;--bg:#f3fbff}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--navy);background:radial-gradient(circle at 80% 15%,#dff4ff,transparent 35%),linear-gradient(180deg,#f4fbff,#fff)}a{text-decoration:none;color:inherit}.topbar{height:82px;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;background:rgba(255,255,255,.78);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:12px;font-weight:900;font-size:28px}.brand img{width:58px;height:58px;object-fit:contain}.topbar nav{display:flex;align-items:center;gap:28px;font-weight:700}.wthome,.btn{border:1px solid #bcd7ff;border-radius:16px;padding:12px 18px;background:#fff;color:#005eea;box-shadow:0 6px 20px rgba(4,73,180,.08)}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;max-width:1320px;margin:58px auto 30px;padding:0 28px}.hero-card,.panel,.step-grid,.admin-card{background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:28px;box-shadow:0 24px 70px rgba(30,110,190,.12)}.hero-card{padding:46px}.badge{display:inline-flex;gap:8px;align-items:center;border:1px solid #cfe2ff;border-radius:999px;background:#fff;padding:10px 16px;color:#006dea;font-weight:800}h1{font-size:58px;line-height:1.04;margin:26px 0 14px;letter-spacing:-2px}.blue{color:#0877ff}.lead{font-size:20px;color:#344762;line-height:1.65}.actions{display:flex;gap:16px;margin-top:28px}.btn.primary,button.primary{background:linear-gradient(135deg,#0b7bff,#0958df);color:#fff;border:0}.hero-logo{text-align:center}.hero-logo img{width:min(470px,90%);filter:drop-shadow(0 25px 35px rgba(0,85,180,.2))}.steps-wrap{max-width:1320px;margin:28px auto 80px;padding:0 28px}.step-grid{padding:30px;display:grid;grid-template-columns:repeat(5,1fr);gap:18px}.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;min-height:210px}.num{position:absolute;top:20px;left:18px;background:#0b6bff;color:#fff;width:28px;height:28px;border-radius:999px;text-align:center;line-height:28px;font-weight:900}.ico{font-size:38px;margin:28px 0 14px}.step h3{font-size:16px;margin:0 0 10px}.step p{font-size:14px;color:var(--muted);line-height:1.5}.status{display:inline-block;margin-top:10px;border-radius:999px;padding:6px 12px;font-size:12px;font-weight:800;background:#e7f8ed;color:#0c8b3b}.pending{background:#fff1d7;color:#bd6900}.locked{background:#eef2f7;color:#526070}.panel{max-width:620px;margin:70px auto;padding:34px}.panel.center{text-align:center}.panel img{width:120px}.field{display:block;width:100%;border:1px solid #cadcf2;border-radius:12px;padding:15px 16px;margin:12px 0;font-size:16px}.notice{background:#edf7ff;border:1px solid #c7e4ff;border-radius:16px;padding:16px;margin:16px 0;color:#005eea}.error{background:#fff0f0;border-color:#ffd1d1;color:#c31717}.challenge{max-width:1220px;margin:40px auto;padding:0 28px}.progress{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin:20px 0}.progress .step{min-height:145px;padding:18px}.wallet-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:0 20px 60px rgba(20,100,180,.08)}button{cursor:pointer;border-radius:13px;padding:14px 18px;font-weight:900;border:1px solid #bcd7ff;background:#fff}.admin{display:grid;grid-template-columns:220px 1fr;max-width:1320px;margin:40px auto;gap:24px;padding:0 24px}.side{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;height:max-content}.side a{display:block;padding:12px;border-radius:12px}.side a.active{background:#eaf4ff;color:#006dea}.admin-card{padding:26px;overflow:auto}table{width:100%;border-collapse:collapse;background:#fff}th,td{border-bottom:1px solid #edf2f7;text-align:left;padding:14px;font-size:14px}th{color:#506078}.footer{border-top:1px solid var(--line);padding:42px 5vw;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:30px;background:#f8fcff}.footer img{width:70px}.footer a{display:block;margin-top:8px;color:#0b6bff}@media(max-width:900px){.topbar{height:auto;padding:14px;align-items:flex-start}.topbar nav{gap:10px;flex-wrap:wrap;font-size:13px}.brand span{font-size:22px}.hero{grid-template-columns:1fr;margin-top:24px}.hero-card{padding:28px}h1{font-size:40px}.step-grid,.progress{grid-template-columns:1fr}.admin{grid-template-columns:1fr}.footer{grid-template-columns:1fr}}
.xp-card{display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap;background:linear-gradient(135deg,#eaf6ff,#fff);border:1px solid var(--line);border-radius:24px;padding:24px;margin:20px 0;box-shadow:0 20px 55px rgba(20,100,180,.08)}.xp-num{font-size:42px;font-weight:1000;color:#086fff;letter-spacing:-1px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:22px 0}.stats div{background:#f1f8ff;border:1px solid var(--line);border-radius:18px;padding:18px}.stats b{display:block;font-size:30px;color:#086fff}.stats span{color:#526070;font-size:13px}.qrbox{background:#f8fcff;border:1px solid var(--line);border-radius:22px;padding:22px;margin:12px 0 22px}select.field{appearance:auto}@media(max-width:900px){.stats{grid-template-columns:1fr 1fr}.xp-num{font-size:34px}}
.scanner-wrap{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:24px;background:#061534;min-height:320px;margin:18px 0;box-shadow:0 20px 50px rgba(5,60,140,.18)}
.scanner-wrap video{display:block;width:100%;min-height:320px;max-height:70vh;object-fit:cover;background:#061534}
#scanOverlay{position:absolute;inset:18px;border:3px solid rgba(255,255,255,.78);border-radius:20px;display:flex;align-items:flex-end;justify-content:center;color:#fff;font-weight:900;padding:18px;text-shadow:0 2px 10px rgba(0,0,0,.8);pointer-events:none}
#scanOverlay:before{content:"";position:absolute;inset:22%;border:4px solid #0bff88;border-radius:18px;box-shadow:0 0 0 999px rgba(0,0,0,.18)}
.scan-page .wallet-card{max-width:820px;margin:0 auto}
@media(max-width:900px){.scanner-wrap{min-height:280px;border-radius:18px}.scanner-wrap video{min-height:280px}.scan-page{padding:0 14px;margin-top:22px}.scan-page .wallet-card{padding:20px}}
/* Clean mobile navigation fix */
.topbar{gap:18px}.topbar nav a{white-space:nowrap}.topbar nav a[href="logout.php"]{color:#0b6bff}.account-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:22px 0}.account-box{background:#f5fbff;border:1px solid var(--line);border-radius:18px;padding:16px;overflow-wrap:anywhere}.account-box b{display:block;color:#526070;font-size:13px;margin-bottom:7px}.account-box span{font-weight:800;color:var(--navy)}
@media(max-width:900px){
  .topbar{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:14px 10px 16px;text-align:center;gap:10px}
  .brand{justify-content:center;gap:8px;font-size:24px;line-height:1}.brand img{width:42px;height:42px}.brand span{font-size:24px}
  .topbar nav{width:100%;display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;font-size:15px;line-height:1.2}
  .topbar nav a{padding:6px 2px}
  .challenge{margin-top:24px;padding:0 16px}.wallet-card h2{font-size:32px;line-height:1.08}.actions{gap:10px}.actions .btn,.actions button,.btn,button.primary{padding:12px 14px;font-size:15px}
  .account-grid{grid-template-columns:1fr}.footer{padding:28px 20px}
}
@media(max-width:430px){.topbar nav{font-size:14px;gap:10px}.brand span{font-size:22px}.brand img{width:38px;height:38px}}