/* DEGX Design System */
:root {
  --primary: #006ba1;
  --primary-light: rgba(0, 107, 161, 0.1);
  --secondary: #f0b90b;
  --accent: #00c6ff;
  --dark-bg: #0a0a0a;
  --card-bg: #111111;
  --surface: #1a1a1a;
  --border: #222222;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --success: #00d68f;
  --warning: #ffaa00;
  --danger: #ff3d71;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow: 0 4px 40px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
  --gradient-primary: linear-gradient(135deg, var(--primary), var(--accent));
  --gradient-secondary: linear-gradient(135deg, var(--secondary), #ffd700);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated Background */
.background-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.floating-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
}

.shape {
  position: absolute;
  border-radius: 50%;
  background: var(--gradient-primary);
  opacity: 0.1;
  animation: float 20s infinite linear;
}

.shape-1 {
  width: 200px;
  height: 200px;
  top: 10%;
  left: 5%;
  animation-delay: 0s;
}

.shape-2 {
  width: 150px;
  height: 150px;
  top: 60%;
  right: 10%;
  background: var(--gradient-secondary);
  animation-delay: -5s;
}

.shape-3 {
  width: 100px;
  height: 100px;
  bottom: 20%;
  left: 20%;
  animation-delay: -10s;
}

.shape-4 {
  width: 120px;
  height: 120px;
  top: 20%;
  right: 20%;
  animation-delay: -15s;
}

.gradient-overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 80%, rgba(0, 107, 161, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(240, 185, 11, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(0, 198, 255, 0.05) 0%, transparent 50%);
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  33% {
    transform: translateY(-30px) rotate(120deg);
  }
  66% {
    transform: translateY(30px) rotate(240deg);
  }
}

/* Main Layout */
.main-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
}

/* Brand Panel */
.brand-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: 
    linear-gradient(135deg, rgba(0, 107, 161, 0.1) 0%, rgba(0, 198, 255, 0.05) 100%);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border);
}

.brand-content {
  text-align: center;
  max-width: 400px;
}

.brand-logo {
  width: 80px;
  height: 80px;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 4px 20px rgba(0, 198, 255, 0.3));
}

.brand-title {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.brand-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.feature-item:hover {
  border-color: var(--primary);
  transform: translateX(5px);
}

.feature-item i {
  color: var(--accent);
  font-size: 1.2rem;
}

.market-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s infinite;
}

.status-indicator.online {
  background: var(--success);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Login Panel */
.login-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--card-bg);
}

.login-section {
  width: 100%;
  max-width: 400px;
  display: none;
}

.login-section.active {
  display: block;
  animation: slideInUp 0.5s ease;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-header {
  text-align: center;
  margin-bottom: 2rem;
  position: relative;
}

.back-button {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.back-button:hover {
  border-color: var(--primary);
  color: var(--accent);
}

.form-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.form-header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* Form Styles */
.auth-form {
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-label i {
  color: var(--accent);
  width: 16px;
}

.form-input {
  width: 100%;
  padding: 1rem 1.5rem;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-input::placeholder {
  color: var(--text-secondary);
}

.password-input-container {
  position: relative;
}

.toggle-password {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.3s ease;
}

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

/* Form Options */
.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.checkbox-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.checkbox-container input {
  display: none;
}

.checkmark {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.checkbox-container input:checked + .checkmark {
  background: var(--primary);
  border-color: var(--primary);
}

.checkbox-container input:checked + .checkmark::after {
  content: '✓';
  color: white;
  font-size: 12px;
}

.forgot-password {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  width: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border);
  width: 100%;
}

.btn-outline:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}

.btn-text {
  background: transparent;
  color: var(--accent);
  padding: 0.5rem 1rem;
}

.btn-text:hover {
  color: var(--primary);
}

.btn-lg {
  padding: 1.25rem 2rem;
}

.btn-icon {
  font-size: 0.9rem;
}

/* Divider */
.auth-divider {
  display: flex;
  align-items: center;
  margin: 2rem 0;
  color: var(--text-secondary);
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-divider span {
  padding: 0 1rem;
  font-size: 0.9rem;
}

/* Security Notice */
.security-notice {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.security-notice i {
  color: var(--success);
}

/* 2FA Specific Styles */
.verification-container {
  text-align: center;
}

.verification-input {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.5em;
  padding: 1.5rem;
  font-family: 'Courier New', monospace;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.verification-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.verification-input::placeholder {
  letter-spacing: 0.5em;
  color: var(--text-secondary);
}

.verification-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.verification-hint i {
  color: var(--accent);
}

/* Alternative Options */
.alternative-options {
  margin-top: 2rem;
}

.option-divider {
  display: flex;
  align-items: center;
  margin: 1.5rem 0;
  color: var(--text-secondary);
}

.option-divider::before,
.option-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.option-divider span {
  padding: 0 1rem;
  font-size: 0.9rem;
}

.alternative-buttons {
  display: flex;
  gap: 1rem;
}

.alternative-buttons .btn {
  flex: 1;
}

/* Backup Code Section */
.backup-code-section {
  display: none;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.backup-code-section.active {
  display: block;
  animation: slideInUp 0.3s ease;
}

.backup-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.backup-actions .btn {
  flex: 1;
}

.input-hint {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
}

.modal-backdrop {
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
}

.modal-content {
  position: relative;
  background: var(--card-bg);
  margin: 10% auto;
  padding: 0;
  border-radius: var(--radius-lg);
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.modal-close {
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.modal-close:hover {
  color: var(--danger);
}

.modal-body {
  padding: 2rem;
}

.modal-footer {
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--border);
  text-align: right;
}

.modal.success .modal-header h3 {
  color: var(--success);
}

.modal.error .modal-header h3 {
  color: var(--danger);
}

.modal.warning .modal-header h3 {
  color: var(--warning);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .main-container {
    grid-template-columns: 1fr;
  }
  
  .brand-panel {
    display: none;
  }
  
  .login-panel {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .alternative-buttons {
    flex-direction: column;
  }
  
  .backup-actions {
    flex-direction: column;
  }
  
  .form-options {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }
}

/* Loading States */
.btn-loading {
  position: relative;
  color: transparent;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  top: 50%;
  left: 50%;
  margin-left: -10px;
  margin-top: -10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-right-color: white;
  animation: spin 0.75s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}