/* auth.css */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 20px 40px;
  background: var(--background);
}

.auth-container {
  background: rgba(25, 25, 25, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 40px;
  width: 100%;
  max-width: 450px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  animation: slideUpFade 0.5s ease-out;
}

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

.auth-header {
  text-align: center;
  margin-bottom: 30px;
}

.auth-header h2 {
  color: var(--primary-color);
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  margin-bottom: 10px;
}

.auth-header p {
  color: var(--gray-text);
}

.auth-tabs {
  display: flex;
  margin-bottom: 25px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.auth-tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--gray-text);
  padding: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border-bottom: 2px solid transparent;
}

.auth-tab.active {
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
}

.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

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

.form-group {
  margin-bottom: 20px;
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--light-text);
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: 14px 15px;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: #fff;
  font-size: 1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 10px rgba(255, 90, 0, 0.2);
}

.password-toggle {
  position: absolute;
  right: 15px;
  top: 42px;
  color: var(--gray-text);
  cursor: pointer;
  transition: color 0.3s;
}

.password-toggle:hover {
  color: var(--primary-color);
}

.forgot-password-link {
  display: block;
  text-align: right;
  color: var(--primary-color);
  font-size: 0.9rem;
  text-decoration: none;
  margin-bottom: 20px;
  transition: opacity 0.3s;
}

.forgot-password-link:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.auth-btn {
  width: 100%;
  padding: 15px;
  background: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.auth-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 90, 0, 0.4);
}

.auth-btn:active {
  transform: translateY(0);
}

.auth-error {
  color: #ff4d4d;
  font-size: 0.9rem;
  margin-bottom: 15px;
  display: none;
  text-align: center;
}