*{box-sizing:border-box}html,body.fsgc-merchant-body{margin:0;min-height:100%;background:#fff;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#1f2937}.fsgc-app{min-height:100vh;padding-bottom:90px;background:#fff}.fsgc-header{background:#f28e2b;color:#fff;text-align:center;padding:18px 14px;box-shadow:0 3px 14px rgba(0,0,0,.08)}.fsgc-header h1{margin:0;font-size:21px;font-weight:800}.fsgc-main{padding:34px 20px 100px}.fsgc-input-wrap{margin:0 auto;max-width:420px}#fsgc-voucher-number,#fsgc-password{width:100%;height:56px;border:1px solid #d7d7d7;border-radius:6px;background:#fff;padding:0 16px;font-size:16px;text-align:center;outline:none}#fsgc-voucher-number:focus,#fsgc-password:focus{border-color:#f28e2b;box-shadow:0 0 0 3px rgba(242,142,43,.15)}.fsgc-divider{text-align:center;margin:32px 0 24px;font-size:14px;color:#7b7b7b;font-weight:600}.fsgc-scan-btn{display:flex;align-items:center;justify-content:center;gap:11px;width:100%;max-width:280px;margin:0 auto;height:54px;border:0;border-radius:999px;background:#ededed;color:#333;font-size:16px;font-weight:700}.fsgc-qr-icon{font-size:22px;line-height:1}.fsgc-submit-btn{position:fixed;left:0;right:0;bottom:0;width:100%;min-height:68px;border:0;background:#e6e6e6;color:#333;font-size:18px;font-weight:800;z-index:50}.fsgc-reader-wrap{max-width:420px;margin:28px auto 0;padding:14px;background:#f7f7f7;border-radius:14px}#fsgc-reader{width:100%;overflow:hidden;border-radius:12px}#fsgc-close-scanner{width:100%;margin-top:12px;height:44px;border:0;border-radius:8px;background:#333;color:#fff;font-weight:700}.fsgc-overlay{position:fixed;inset:0;z-index:100;background:rgba(17,24,39,.82);display:flex;align-items:center;justify-content:center;padding:24px}.fsgc-overlay[hidden]{display:none}.fsgc-overlay-card{width:100%;max-width:420px;min-height:280px;border-radius:26px;padding:32px 24px;text-align:center;color:#fff;display:flex;flex-direction:column;justify-content:center}.fsgc-overlay-card.is-valid{background:#16a34a}.fsgc-overlay-card.is-redeemed{background:#dc2626}.fsgc-overlay-card.is-invalid{background:#374151}.fsgc-overlay-title{font-size:30px;font-weight:900;margin-bottom:16px}.fsgc-overlay-message{font-size:17px;line-height:1.5;margin-bottom:22px}.fsgc-redeem-btn,.fsgc-close-overlay,#fsgc-login-btn{width:100%;height:54px;border:0;border-radius:999px;font-size:16px;font-weight:800}.fsgc-redeem-btn{background:#fff;color:#15803d;margin-bottom:12px}.fsgc-close-overlay{background:rgba(255,255,255,.22);color:#fff}.fsgc-login-screen{min-height:calc(100vh - 70px);display:flex;align-items:center;justify-content:center;padding:24px}.fsgc-login-card{width:100%;max-width:380px;text-align:center}.fsgc-login-card h2{margin-bottom:8px}.fsgc-login-card p{color:#666;margin-bottom:20px}#fsgc-login-btn{margin-top:14px;background:#f28e2b;color:#fff}#fsgc-login-error{margin-top:12px;color:#dc2626;font-weight:700}

#fsgc-username {
  width: 100%;
  height: 56px;
  border: 1px solid #d7d7d7;
  border-radius: 6px;
  background: #ffffff;
  padding: 0 16px;
  font-size: 16px;
  text-align: center;
  outline: none;
  margin-bottom: 12px;
}

#fsgc-username:focus {
  border-color: #f28e2b;
  box-shadow: 0 0 0 3px rgba(242, 142, 43, 0.15);
}

.fsgc-login-help {
  margin-top: 12px;
  color: #777;
  font-size: 13px;
  line-height: 1.4;
}

.fsgc-user-bar {
  max-width: 420px;
  margin: 0 auto 22px;
  padding: 10px 12px;
  border-radius: 10px;
  background: #f6f7f7;
  color: #555;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

#fsgc-logout-btn {
  border: 0;
  border-radius: 999px;
  background: #e5e7eb;
  color: #333;
  font-weight: 700;
  padding: 7px 12px;
}