* {
  box-sizing: border-box;
}
body {
  background: radial-gradient(circle at 30% 20%, #101010, #0c0c0c 40%, #060606);
  color: #fff;
  font-family: "Segoe UI", "Roboto", sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  padding: 20px;
  text-align: center;
}
.logo {
  width: 200px;
  margin-bottom: 25px;
  transition: transform 0.3s ease;
}
.logo:hover {
  transform: scale(1.04);
}
.activation-box {
  background: rgba(35, 35, 35, 0.75);
  backdrop-filter: blur(18px) saturate(130%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  padding: 40px 28px 70px; /* dodatni prostor dole za dugmad */
  width: 100%;
  max-width: 600px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
  transition: all 0.3s ease;
  position: relative;
}
.activation-box h2 {
  font-size: 2.3rem;
  font-weight: 700;
  margin-top: -5px;
  margin-bottom: 28px;
  text-align: center;
  letter-spacing: 0.5px;
}
input {
  width: 100%;
  margin: 12px 0;
  padding: 15px;
  font-size: 1.1rem;
  border-radius: 12px;
  border: 1px solid rgba(0, 170, 255, 0.6);
  background-color: rgba(40, 40, 40, 0.9);
  color: white;
  text-align: center;
  transition: all 0.25s;
}
input:focus {
  outline: none;
  background-color: rgba(50, 50, 50, 0.95);
  box-shadow: 0 0 12px rgba(0, 170, 255, 0.6);
}
.captcha-box {
  margin-top: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 22px;
}
.captcha-box span {
  font-weight: 700;
  color: #00ff99;
  text-shadow: 0 0 10px rgba(0, 255, 180, 0.5);
}
.captcha-box input {
  width: 80px;
  height: 42px;
  font-size: 18px;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid #00aaff;
  background-color: rgba(30, 30, 30, 0.9);
  color: white;
  text-align: center;
}
.captcha-box input:focus {
  box-shadow: 0 0 8px rgba(0, 255, 150, 0.4);
}
.captcha-box input::-webkit-outer-spin-button,
.captcha-box input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.captcha-box input[type="number"] {
  -moz-appearance: textfield;
}
.button-group button {
  width: 100%;
  margin-top: 22px;
  padding: 15px 0;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, #00aaff, #0077ff);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 14px rgba(0, 128, 255, 0.3);
}
.button-group button:hover {
  background: linear-gradient(135deg, #0095ff, #00ccff);
  transform: translateY(-2px);
}
.promo-note {
  margin-top: 28px;
  font-size: 0.95rem;
  color: #ccc;
  line-height: 1.5;
  opacity: 0.85;
}
.promo-note strong {
  color: #ffcc00;
}
.bottom-row {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  gap: 20px;
}
.bottom-row .go-back-btn {
  background: rgba(20, 20, 20, 0.65);
  backdrop-filter: blur(12px) saturate(140%);
  border: 1px solid rgba(0, 170, 255, 0.6);
  color: #00aaff;
  font-weight: 600;
  font-size: 1rem;
  padding: 10px 26px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.25s;
  box-shadow: 0 3px 10px rgba(0, 170, 255, 0.25);
}
.bottom-row .go-back-btn:hover {
  color: #fff;
  background: rgba(0, 170, 255, 0.15);
  box-shadow: 0 4px 14px rgba(0, 170, 255, 0.4);
  transform: translateY(-2px);
}
.bottom-row .language-selector {
  position: relative;
}
.bottom-row .language-selector select {
  appearance: none;
  background: rgba(20, 20, 20, 0.65);
  backdrop-filter: blur(12px) saturate(140%);
  border: 1px solid rgba(0, 170, 255, 0.6);
  border-radius: 12px;
  color: #00aaff;
  font-size: 1rem;
  font-weight: 600;
  padding: 10px 46px 10px 16px;
  cursor: pointer;
  box-shadow: 0 3px 10px rgba(0, 170, 255, 0.25);
  transition: all 0.25s ease;
}
.bottom-row .language-selector select:hover {
  color: #fff;
  background: rgba(0, 170, 255, 0.15);
  box-shadow: 0 4px 14px rgba(0, 170, 255, 0.4);
}
.bottom-row .language-selector::after {
  content: "▾";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: #00aaff;
  font-size: 0.9rem;
  pointer-events: none;
}
@media (max-width: 600px) {
  .activation-box {
    padding-bottom: 80px;
  }
  .bottom-row {
    gap: 14px;
    padding: 0 14px;
  }
  .bottom-row .go-back-btn {
    font-size: 0.9rem;
    padding: 8px 16px;
    flex: 1;
  }
  .bottom-row .language-selector select {
    font-size: 0.9rem;
    padding: 8px 32px 8px 12px;
    flex: 1;
    min-width: 100px;
  }
  .bottom-row {
    flex-wrap: nowrap;
  }
}
.qr-button {
  background: none;
  border: none;
  margin-right: 10px;
  cursor: pointer;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qr-button svg {
  width: 28px;
  height: 28px;
  fill: #00aaff;
  transition: transform 0.2s ease, fill 0.2s ease;
}
.qr-button:hover svg {
  fill: #00ccff;
  transform: scale(1.1);
}
.pin-wrapper {
  position: relative;
  width: 100%;
}
.pin-wrapper .toggle-pin {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  font-size: 20px;
}