*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: #0b1320;
  background: radial-gradient(circle at top, #f0f4ff 0%, #e4ecff 45%, #dfe8ff 100%);
  min-height: 100vh;
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
}

.card {
  width: min(420px, 100%);
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 20px 60px rgba(25, 42, 80, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.card__header {
  margin-bottom: 24px;
}

.card__header h1 {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: 700;
}

.card__subtitle {
  margin: 0;
  color: #51607a;
  font-size: 14px;
}

.form {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field__label {
  font-size: 13px;
  color: #4c5a73;
}

.field__input {
  width: 100%;
  border-radius: 12px;
  border: 1px solid #d6def2;
  padding: 12px 14px;
  font-size: 15px;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.field__input:focus {
  outline: none;
  border-color: #6f87ff;
  box-shadow: 0 0 0 4px rgba(111, 135, 255, 0.2);
}

.button {
  display: inline-block;
  text-decoration: none;
  text-align: center;
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(120deg, #5b7cfa, #7b5bfa);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(91, 124, 250, 0.25);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
  box-shadow: none;
}

.form__message {
  min-height: 20px;
  font-size: 13px;
  color: #4c5a73;
}

.form__message--error {
  color: #b91c1c;
}

.form__message--success {
  color: #166534;
}