@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

body {
  margin: 0;
  font-family: 'Inter', Arial, sans-serif;
  background: linear-gradient(160deg, #003a8c 0%, #004aad 45%, #1a6fd4 100%);
  min-height: 100vh;
}

.sign-in-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.sign-in-card {
  width: min(100%, 420px);
  background: #fff;
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
}

.sign-in-brand {
  text-align: center;
  margin-bottom: 28px;
}

.sign-in-logo {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  object-fit: cover;
  margin-bottom: 16px;
}

.sign-in-brand h1 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 8px;
}

.sign-in-brand p {
  margin: 0;
  color: #64748b;
  font-size: 0.9rem;
  line-height: 1.5;
}

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: 8px;
}

.sign-in-mobile-wrap {
  display: flex;
  align-items: stretch;
  margin-bottom: 16px;
}

.sign-in-prefix {
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  background: #f1f5f9;
  border: 1px solid #dbe3ee;
  border-right: none;
  border-radius: 12px 0 0 12px;
  color: #475569;
  font-weight: 600;
  font-size: 0.92rem;
}

.sign-in-mobile-wrap .form-control {
  border-radius: 0 12px 12px 0;
  border: 1px solid #dbe3ee;
  padding: 12px 14px;
  font-size: 1rem;
}

.sign-in-mobile-wrap .form-control:focus,
.sign-in-otp-input:focus {
  border-color: #004aad;
  box-shadow: 0 0 0 0.2rem rgba(0, 74, 173, 0.15);
}

.sign-in-otp-input {
  letter-spacing: 0.35em;
  text-align: center;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  border-radius: 12px;
  padding: 12px 14px;
}

.sign-in-btn {
  background: linear-gradient(135deg, #003a8c, #004aad);
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.sign-in-btn:disabled {
  opacity: 0.7;
}

.sign-in-sent-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 0.86rem;
}

.sign-in-sent-banner i {
  font-size: 1.2rem;
}

.sign-in-change-number {
  width: 100%;
  margin-top: 10px;
  color: #004aad;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.86rem;
}

.sign-in-error {
  margin-top: 16px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 0.86rem;
  line-height: 1.5;
}

.sign-in-footer-note {
  margin: 24px 0 0;
  text-align: center;
  font-size: 0.84rem;
  color: #64748b;
}

.sign-in-footer-note a {
  color: #004aad;
  font-weight: 600;
  text-decoration: none;
}

.sign-in-footer-note a:hover {
  text-decoration: underline;
}