* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Roboto", sans-serif;
  background: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loading-content {
  text-align: center;
  color: white;
}

.loading-image {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  border-radius: 50%;
}

.loading-content h2 {
  margin-bottom: 30px;
  font-size: 24px;
  font-weight: 300;
}

.progress-bar {
  width: 300px;
  height: 6px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 15px;
}

.progress-fill {
  height: 100%;
  background: white;
  border-radius: 3px;
  transition: width 0.1s ease;
  width: 0%;
}

.progress-text {
  font-size: 14px;
  opacity: 0.8;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
  color: white;
  padding: 100px 0;
  text-align: center;
}

.hero-content h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 20px;
  margin-bottom: 40px;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background: #4a90e2;
  color: white;
}

.btn-primary:hover {
  background: #357abd;
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-secondary:hover {
  background: white;
  color: #4a90e2;
}

.btn-success {
  background: #4caf50;
  color: white;
}

.btn-warning {
  background: #ff9800;
  color: white;
}

.btn-danger {
  background: #f44336;
  color: white;
}

/* Features Section */
.features-section {
  padding: 80px 0;
  background: white;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.feature-card {
  text-align: center;
  padding: 40px 20px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-card .material-icons {
  font-size: 48px;
  color: #4a90e2;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 24px;
  margin-bottom: 15px;
  color: #333;
}

.feature-card p {
  color: #666;
  line-height: 1.6;
}

/* Auth Pages */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 20px;
}

.auth-card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
  overflow: hidden;
}

.auth-header {
  background: #4a90e2;
  color: white;
  padding: 30px;
  text-align: center;
}

.auth-header h1 {
  font-size: 28px;
  margin-bottom: 10px;
}

.auth-header p {
  opacity: 0.9;
}

.auth-form {
  padding: 30px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 2px solid #e0e0e0;
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #4a90e2;
}

.auth-footer {
  padding: 20px 30px;
  background: #f8f9fa;
  text-align: center;
}

.auth-footer a {
  color: #4a90e2;
  text-decoration: none;
}

/* Dashboard */
.dashboard {
  min-height: 100vh;
  background: #f5f5f5;
}

.navbar {
  background: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 15px 0;
}

.navbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  font-size: 24px;
  font-weight: 700;
  color: #4a90e2;
  text-decoration: none;
}

.navbar-menu {
  display: flex;
  gap: 30px;
  align-items: center;
}

.navbar-menu a {
  color: #333;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

.navbar-menu a:hover {
  color: #4a90e2;
}

.dashboard-content {
  padding: 40px 0;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.dashboard-card {
  background: white;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.dashboard-card h3 {
  font-size: 18px;
  margin-bottom: 15px;
  color: #333;
}

.stat-value {
  font-size: 36px;
  font-weight: 700;
  color: #4a90e2;
  margin-bottom: 10px;
}

.stat-label {
  color: #666;
  font-size: 14px;
}

/* Image Slider */
.image-slider {
  width: 100%;
  height: 200px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 30px;
  position: relative;
}

.slider-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.slider-image.active {
  opacity: 1;
}

/* Alerts */
.alert {
  padding: 15px;
  border-radius: 6px;
  margin-bottom: 20px;
  position: relative;
}

.alert-success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.alert-warning {
  background: #fff3cd;
  color: #856404;
  border: 1px solid #ffeaa7;
}

.alert-error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.alert-info {
  background: #d1ecf1;
  color: #0c5460;
  border: 1px solid #bee5eb;
}

.alert-close {
  position: absolute;
  top: 10px;
  right: 15px;
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  opacity: 0.7;
}

.alert-close:hover {
  opacity: 1;
}

/* Tasks */
.task-card {
  background: white;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  gap: 20px;
}

.task-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
}

.task-icon.instagram {
  background: #e4405f;
}
.task-icon.twitter {
  background: #1da1f2;
}
.task-icon.telegram {
  background: #0088cc;
}
.task-icon.youtube {
  background: #ff0000;
}

.task-content {
  flex: 1;
}

.task-content h4 {
  font-size: 18px;
  margin-bottom: 5px;
  color: #333;
}

.task-content p {
  color: #666;
  font-size: 14px;
}

.task-actions {
  display: flex;
  gap: 10px;
}

/* Wallet */
.wallet-illustration {
  width: 100%;
  max-width: 300px;
  height: 200px;
  background: linear-gradient(135deg, #4a90e2, #357abd);
  border-radius: 12px;
  margin: 0 auto 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 48px;
}

.wallet-info {
  text-align: center;
  margin-bottom: 30px;
}

.balance-display {
  font-size: 48px;
  font-weight: 700;
  color: #4a90e2;
  margin-bottom: 10px;
}

.usd-display {
  font-size: 24px;
  color: #666;
  margin-bottom: 20px;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: white;
  border-radius: 12px;
  padding: 30px;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #666;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 36px;
  }

  .hero-content p {
    font-size: 18px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .task-card {
    flex-direction: column;
    text-align: center;
  }

  .navbar-menu {
    gap: 15px;
  }

  .container {
    padding: 0 15px;
  }
}

/* Mobile Navigation */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #333;
  font-size: 24px;
  cursor: pointer;
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .navbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    flex-direction: column;
    padding: 20px;
    z-index: 1000;
  }

  .navbar-menu.show {
    display: flex;
  }

  .navbar-menu a {
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    text-align: center;
  }

  .navbar-menu a:last-child {
    border-bottom: none;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .dashboard-card {
    padding: 20px;
  }

  .referral-section input {
    font-size: 12px;
    padding: 10px;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .btn {
    width: 100%;
    max-width: none;
  }
}

/* Chat Layout Styles */
.chat-layout {
  display: flex;
  height: 600px;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.chat-sidebar {
  width: 300px;
  border-right: 1px solid #eee;
  display: flex;
  flex-direction: column;
}

.chat-sidebar-header {
  padding: 20px;
  border-bottom: 1px solid #eee;
  background: #f8f9fa;
}

.conversations-list {
  flex: 1;
  overflow-y: auto;
}

.conversation-item {
  display: flex;
  padding: 15px 20px;
  border-bottom: 1px solid #eee;
  text-decoration: none;
  color: #333;
  transition: background 0.3s;
}

.conversation-item:hover {
  background: #f8f9fa;
}

.conversation-item.active {
  background: #e3f2fd;
}

.conversation-info {
  flex: 1;
}

.conversation-name {
  font-weight: 600;
  margin-bottom: 5px;
}

.conversation-email {
  font-size: 12px;
  color: #666;
  margin-bottom: 5px;
}

.conversation-time {
  font-size: 11px;
  color: #999;
}

.message-count {
  background: #4a90e2;
  color: white;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
}

.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.chat-header {
  padding: 20px;
  border-bottom: 1px solid #eee;
  background: #f8f9fa;
}

.chat-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #666;
}

.chat-placeholder .material-icons {
  font-size: 64px;
  margin-bottom: 20px;
  opacity: 0.5;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.pulse {
  animation: pulse 2s infinite;
}

/* Utility Classes */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}
.mb-20 {
  margin-bottom: 20px;
}
.mt-20 {
  margin-top: 20px;
}
.p-20 {
  padding: 20px;
}
.hidden {
  display: none;
}
.block {
  display: block;
}
.flex {
  display: flex;
}
.justify-center {
  justify-content: center;
}
.items-center {
  align-items: center;
}
.gap-10 {
  gap: 10px;
}
.gap-20 {
  gap: 20px;
}
.w-full {
  width: 100%;
}
.h-full {
  height: 100%;
}