:root{
  --card-bg:#fff;
  --page-bg:#f6f9fb;
  --muted:#6b7785;
  --kbank-green:#0b6f4a;
  --kbank-green-dark:#07583b;
  --input-border:#e0e6ef;
  --radius:14px;
  --topbar-height:92px;
}

/* reset */
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}

/* base page */
body{
  background:var(--page-bg);
  font-family:Inter, "Segoe UI", Arial, sans-serif;
  color:#111;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* TOPBAR: Full-width look, centered content, not overlapping card */
.topbar{
  position:fixed;
  top:0;
  left:0;
  right:0;
  display:flex;
  justify-content:center;
  pointer-events:none; /* non-interactive */
  z-index:9999;
}
.topbar > .line{
  width:100%;
  max-width:100%;
  margin:0;
  background:#fff;
  border-radius:0;
  border:1px solid #e1e7f0;
  box-shadow:0 6px 20px rgba(17,24,39,0.08);
  padding:14px 20px;
  text-align:center;
  font-size:14px;
  color:#333;
  line-height:1.5;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  pointer-events:auto;
  border-left:0;
  border-right:0;
}
.topbar > .line strong{
  font-weight:650;
  color:var(--kbank-green);
}
.topbar > .line .time{
  display:inline;
  color:var(--muted);
}

/* Space reserved so card is not overlapped by topbar */
.main-wrapper{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: calc(var(--topbar-height) + 24px) 20px 40px;
}

/* center column to restrict width */
.center-column{
  width:100%;
  max-width:720px;
  display:flex;
  justify-content:center;
}

/* card (captcha box) centered and balanced */
.card{
  width:100%;
  max-width:560px;
  background:var(--card-bg);
  border-radius:14px;
  box-shadow:0 18px 40px rgba(17,24,39,0.08);
  padding:28px 34px;
  position:relative;
}

/* language toggle (small, clickable) */
.lang-toggle{
  position:absolute;
  right:18px;
  top:18px;
  width:36px;height:36px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;
  border:0;background:transparent;cursor:pointer;
}
.lang-toggle img{width:22px;height:22px;border-radius:50%}

/* visuals */
.logo-row{display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.logo{height:44px;object-fit:contain}

h1{font-size:18px;margin:0 0 8px;text-align:center;font-weight:600}
p.note{text-align:center;color:var(--muted);margin:0 0 18px}

label{display:block;font-size:13px;color:#9aa4b2;margin-bottom:6px}
input[type="text"], input[type="password"], textarea{
  width:100%;
  padding:12px 14px;
  border-radius:8px;
  border:1px solid var(--input-border);
  font-size:15px;
  outline:none;
  background:#fff;
}

.captcha-row{display:flex;gap:12px;align-items:center;margin-top:8px}
.captcha-box{background:#f3f6fb;padding:10px 14px;border-radius:8px;font-weight:700;color:#073b8a;min-width:120px;text-align:center}

button.primary{
  width:100%;
  padding:12px;
  border-radius:10px;
  border:0;
  background:linear-gradient(180deg,var(--kbank-green),var(--kbank-green-dark));
  color:#fff;
  font-weight:600;
  cursor:pointer;
  margin-top:16px;
  box-shadow:0 8px 24px rgba(11,111,74,0.12);
}

/* helpers */
.error-text{color:#d32f2f;font-size:13px;margin-top:6px;display:none}
.muted-center{text-align:center;color:var(--muted);font-size:13px;margin-top:14px}
footer{text-align:center;color:var(--muted);font-size:12px;margin-top:18px}

/* small interactions */
button.primary:hover{transform:translateY(-1px)}
input[type="text"]:focus{box-shadow:0 6px 18px rgba(14,53,90,0.04);border-color:#cfe2ff}

/* Responsive */
@media (max-width:880px){
  .card{max-width:520px;padding:22px}
  .topbar > .line{margin:0 14px;font-size:13px;padding:12px 16px}
}
@media (max-width:520px){
  .card{max-width:420px;padding:18px}
  .logo{height:36px}
  .captcha-box{min-width:90px;font-size:14px}
  .topbar > .line{margin:0 12px}
}