body {
  background:
    radial-gradient(circle at 8% 12%, #e8f3ff 0, transparent 30%),
    radial-gradient(circle at 92% 88%, #eef6ff 0, transparent 28%), #f8fafc;
}
.register-container {
  width: min(100%, 1000px);
  min-height: calc(100vh - 76px);
  margin: auto;
  padding: 55px 20px;
  display: grid;
  place-items: center;
}
.register-box {
  width: 100%;
  max-width: 760px;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 22px;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.09);
  padding: 42px;
  position: relative;
  overflow: hidden;
}
.register-box:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #0a66c2, #38bdf8);
}
.register-header {
  margin-bottom: 30px;
}
.register-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  margin-bottom: 15px;
  border: 1px solid #dbeafe;
  border-radius: 999px;
  background: #eff6ff;
  color: #0a66c2;
  font-size: 10px;
  font-weight: 800;
}
.register-badge i {
  font-size: 11px;
}
.register-box h1 {
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: -0.04em;
  color: #102033;
  margin-bottom: 8px;
}
.signin {
  font-size: 12px;
  color: #64748b;
}
.signin a {
  color: #0a66c2;
  font-weight: 800;
  text-decoration: none;
  transition: color 0.2s;
}
.signin a:hover {
  color: #004182;
}
.register-box form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 20px;
}
.input-box {
  margin-bottom: 18px;
}
.input-box label {
  display: block;
  font-size: 11px;
  font-weight: 800;
  color: #334155;
  margin-bottom: 8px;
}
.input-wrapper {
  position: relative;
}
.input-wrapper > i {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  color: #94a3b8;
  font-size: 13px;
  pointer-events: none;
  transition: color 0.2s;
}
.input-wrapper input,
.input-wrapper select {
  width: 100%;
  height: 50px;
  padding: 0 15px 0 42px;
  border: 1px solid #dbe3ed;
  border-radius: 10px;
  background: #fff;
  color: #334155;
  outline: 0;
  font-size: 12px;
  transition:
    border-color 0.2s,
    box-shadow 0.2s,
    background 0.2s;
}
.input-wrapper input::placeholder {
  color: #94a3b8;
}
.input-wrapper input:hover,
.input-wrapper select:hover {
  border-color: #c5d2e0;
}
.input-wrapper input:focus,
.input-wrapper select:focus {
  border-color: #0a66c2;
  box-shadow: 0 0 0 4px rgba(10, 102, 194, 0.09);
  background: #fff;
}
.input-wrapper:focus-within > i {
  color: #0a66c2;
}
.input-wrapper select {
  cursor: pointer;
  appearance: auto;
}
.alert-message {
  grid-column: 1/-1;
  padding: 13px 15px;
  margin-bottom: 20px;
  background: #fff1f2;
  color: #be123c;
  border: 1px solid #fecdd3;
  border-radius: 10px;
  font-size: 11px;
  line-height: 1.6;
}
.alert-message p {
  margin: 0;
}
.register-btn {
  grid-column: 1/-1;
  width: 58%;
  height: 50px;
  margin: 9px auto 0;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(135deg, #0a66c2, #0875d1);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.01em;
  box-shadow: 0 10px 24px rgba(10, 102, 194, 0.2);
  transition:
    transform 0.2s,
    box-shadow 0.2s,
    background 0.2s;
}
.register-btn i {
  font-size: 11px;
  transition: transform 0.2s;
}
.register-btn:hover {
  background: linear-gradient(135deg, #004182, #075ca8);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(10, 102, 194, 0.25);
}
.register-btn:hover i {
  transform: translateX(3px);
}
.register-btn:active {
  transform: translateY(0);
}
.register-footer {
  text-align: center;
  margin-top: 22px;
  color: #94a3b8;
  font-size: 10px;
  line-height: 1.6;
}
@media (max-width: 650px) {
  .register-container {
    min-height: calc(100vh - 68px);
    padding: 35px 15px;
  }
  .register-box {
    padding: 30px 21px;
    border-radius: 18px;
  }
  .register-header {
    margin-bottom: 25px;
  }
  .register-box h1 {
    font-size: 28px;
  }
  .register-box form {
    grid-template-columns: 1fr;
  }
  .alert-message {
    grid-column: auto;
  }
  .register-btn {
    grid-column: auto;
    width: 100%;
  }
}
@media (max-width: 400px) {
  .register-container {
    padding: 25px 12px;
  }
  .register-box {
    padding: 27px 17px;
  }
  .register-box h1 {
    font-size: 25px;
  }
  .input-wrapper input,
  .input-wrapper select,
  .register-btn {
    height: 47px;
  }
  .register-footer {
    font-size: 9px;
  }
}