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

:root {
  --brand-ttw: #1aa6b7;
  --ink: #1a1a1a;
  --ink-soft: #5d6a7a;
  --bg-soft: #f9fbff;
}

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--bg-soft);
  color: var(--ink);
}

.signup-container {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 5rem 1rem;
  min-height: calc(100vh - 200px);
}

.signup-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  padding: 2.5rem 2rem;
  max-width: 440px;
  width: 100%;
  text-align: left;
}

.signup-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.signup-subtitle {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin-bottom: 2rem;
}

.signup-form .form-group {
  margin-bottom: 1.2rem;
}

.signup-form label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.signup-form input[type="text"],
.signup-form input[type="email"],
.signup-form input[type="password"] {
  width: 100%;
  padding: 0.85rem 1.2rem;
  border: 1.5px solid #cfd8e3;
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.03);
  transition: all 0.3s ease;
}

.signup-form input:focus {
  outline: none;
  border-color: var(--brand-ttw);
  box-shadow: 0 0 0 3px rgba(26,166,183,0.15);
}

.signup-btn {
  width: 100%;
  padding: 0.9rem 1.4rem;
  border-radius: 12px;
  background-color: var(--brand-ttw);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.3s;
  margin-top: 0.5rem;
}

.signup-btn:hover {
  background-color: #138a98;
  transform: translateY(-2px);
}

.divider {
  text-align: center;
  color: var(--ink-soft);
  margin: 2rem 0;
  position: relative;
}

.divider span {
  background: #fff;
  padding: 0 1rem;
  position: relative;
  z-index: 2;
}

.divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: #ddd;
  z-index: 1;
}

.oauth-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.oauth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  border: 1.5px solid #e2e8f0;
  background: #fff;
  color: var(--ink);
  font-weight: 500;
  font-size: 0.95rem;
  cursor: not-allowed;
  opacity: 0.6;
  transition: all 0.3s ease;
}

.oauth-btn img {
  height: 20px;
}

@media (max-width: 600px) {
  .signup-card {
    padding: 2rem 1.5rem;
  }
  .signup-title {
    font-size: 1.5rem;
  }
}