.auth-page {
  background-color: #090a10;
  color: #f1f5f9;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Inter', sans-serif;
}

.auth-container {
  width: 100%;
  max-width: 440px;
  padding: 1.5rem;
}

.auth-card {
  background-color: #12141a;
  border-radius: 20px;
  padding: 2.5rem 2rem;
  border: 1px solid rgba(255, 255, 255, 0.05); /* Deep Obsidian theme */
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  text-align: center;
}

.hook-badge-container {
  margin-bottom: 1.5rem;
}

.hook-badge {
  background-color: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  color: #3b82f6;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.03); opacity: 1; }
  100% { transform: scale(1); opacity: 0.8; }
}

.auth-header {
  margin-bottom: 2.5rem;
}

.auth-header .logo {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.auth-header h1 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.auth-header span {
  color: var(--accent-blue);
}

.auth-header p {
  font-size: 0.9rem;
  color: #94a3b8; /* text-slate-400 */
}

/* OAuth Buttons */
.btn-oauth {
  background-color: #ffffff;
  color: #000000;
  width: 100%;
  padding: 0.75rem;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: background-color 0.2s;
  margin-bottom: 1.5rem;
}

.btn-oauth:hover {
  background-color: #e2e8f0; /* slate-200 */
}

/* Divider */
.divider {
  position: relative;
  margin-bottom: 1.5rem;
}

.divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.05);
}

.divider span {
  position: relative;
  background-color: #12141a;
  padding: 0 0.5rem;
  font-size: 0.65rem;
  font-weight: 700;
  color: #64748b; /* slate-500 */
  letter-spacing: 1px;
}

/* Auth Form */
.auth-form {
  margin-bottom: 1.5rem;
}

.input-group {
  margin-bottom: 1rem;
}

.input-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: #1c1f26;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  color: #ffffff;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input:focus {
  border-color: rgba(59, 130, 246, 0.5);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.5);
}

.btn-primary {
  width: 100%;
  padding: 0.75rem;
  background-color: #3b82f6;
  color: #ffffff;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s;
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn-primary:hover {
  background-color: #2563eb;
}

.btn-primary:disabled {
  background-color: #1e293b; /* slate-800 */
  color: #64748b;
  cursor: not-allowed;
}

/* Messages */
.auth-message {
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.auth-message.success {
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.auth-message.error {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

.auth-footer {
  font-size: 0.75rem;
  color: #64748b;
}

/* Small Spinner */
.spinner-small {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}