.signin-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 9999;
  animation: fadeIn 0.2s ease-in-out;
  padding: 20px;
}

.signin-modal {
  background: #fff;
  max-width: 420px;
  margin: 12% auto;
  /* padding: 28px 24px; */
  border-radius: 10px;
  /* text-align: center; */
  position: relative;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
  animation: slideUp 0.25s ease-out;
}

/* .signin-modal h3 {
  margin: 0 0 10px;
  font-size: 22px;
  color: #222;
} */

.signin-modal p {
  margin: 0 0 22px;
  color: #666;
  font-size: 15px;
}

.signin-btn {
  display: inline-block;
  padding: 12px 22px;
  background: #143658;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.1s ease;
}

/* .signin-btn:hover {
  background: #112d4a;
  color: #fff;
  transform: translateY(-1px);
}

.signin-close {
  position: absolute;
    top: 12px;
    right: 12px;
    background: transparent;
    border: none;
    color: #64748b;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.signin-close:hover {
    background: #f1f5f9;
    color: #143658;
} */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}