/* Login Page Styles */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.login-box {
  background: rgba(10, 10, 20, 0.8);
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.4), 
              0 0 40px rgba(0, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  width: 100%;
  max-width: 450px;
  padding: 40px;
  text-align: center;
  border: 1px solid rgba(0, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
}

.login-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, #ff00ff, #00ffff);
  animation: borderGlow 2s infinite linear;
}

@keyframes borderGlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.login-header {
  margin-bottom: 30px;
}

.login-header .logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  margin-bottom: 10px;
}

.login-header .neon-text {
  color: #00ffff;
  text-shadow: 0 0 5px #00ffff, 0 0 10px #00ffff, 0 0 20px #00ffff;
  letter-spacing: 2px;
}

.login-header .world-text {
  color: #ff00ff;
  text-shadow: 0 0 5px #ff00ff, 0 0 10px #ff00ff, 0 0 20px #ff00ff;
}

.login-header .subtitle {
  font-size: 1rem;
  color: #a0a0a0;
  margin-top: 5px;
}

/* Login Methods */
.login-methods {
  margin-bottom: 30px;
}

.login-tabs {
  display: flex;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: #7a7a8c;
  padding: 10px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tab-btn.active {
  color: #00ffff;
  border-bottom: 2px solid #00ffff;
}

.tab-btn:hover:not(.active) {
  color: #ffffff;
}

.login-form {
  display: none;
}

.login-form.active {
  display: block;
}

/* Form Elements */
.form-group {
  margin-bottom: 20px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  color: #a0a0a0;
  margin-bottom: 5px;
}

.form-group input {
  width: 100%;
  padding: 12px 15px;
  background: rgba(20, 20, 35, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  color: #ffffff;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus {
  outline: none;
  border-color: #00ffff;
  box-shadow: 0 0 5px rgba(0, 255, 255, 0.5);
}

.verification-group .verification-input-container {
  display: flex;
  gap: 10px;
}

.verification-input-container input {
  flex: 1;
}

.send-code-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #00ffff;
  padding: 0 15px;
  border-radius: 5px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.send-code-btn:hover {
  background: rgba(0, 255, 255, 0.2);
}

.send-code-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.login-btn {
  width: 100%;
  padding: 12px;
  background: linear-gradient(90deg, #00ffff, #00ccff);
  border: none;
  border-radius: 5px;
  color: #111122;
  font-weight: bold;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 10px;
}

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

/* WeChat Login */
.wechat-qrcode-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
}

.qrcode-placeholder {
  width: 180px;
  height: 180px;
  background: rgba(20, 20, 35, 0.8);
  border: 1px dashed rgba(255, 255, 255, 0.3);
  border-radius: 5px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 15px;
}

.qrcode-placeholder p {
  color: #a0a0a0;
  font-size: 0.9rem;
}

.qrcode-tip {
  color: #a0a0a0;
  font-size: 0.9rem;
}

/* Mock WeChat Login (for development) */
.mock-login-dev {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

.mock-login-btn {
  background: rgba(76, 175, 80, 0.2);
  border: 1px solid rgba(76, 175, 80, 0.4);
  color: #4CAF50;
  padding: 10px 15px;
  border-radius: 5px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.mock-login-btn:hover {
  background: rgba(76, 175, 80, 0.3);
}

/* Login Footer */
.login-footer {
  margin-top: 30px;
  font-size: 0.8rem;
  color: #7a7a8c;
}

.login-footer a {
  color: #00ffff;
  text-decoration: none;
  transition: all 0.3s ease;
}

.login-footer a:hover {
  text-decoration: underline;
  color: #ffffff;
}

.back-link {
  display: inline-block;
  margin-top: 15px;
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 20, 0.9);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(5px);
}

.loading-overlay.hidden {
  display: none;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(0, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #00ffff;
  animation: spin 1s ease-in-out infinite;
}

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

.loading-overlay p {
  margin-top: 20px;
  color: #ffffff;
  font-size: 1rem;
}

/* Responsive Adjustments */
@media (max-width: 480px) {
  .login-box {
    padding: 30px 20px;
  }
  
  .login-header .logo {
    font-size: 1.5rem;
  }
  
  .verification-group .verification-input-container {
    flex-direction: column;
    gap: 5px;
  }
  
  .send-code-btn {
    padding: 10px;
    width: 100%;
  }
}