/* Futuristic Twitter Clone Styles */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700&family=Exo+2:wght@300;400;500;600;700&display=swap');

:root {
  --primary-dark: #0a0a1a;
  --secondary-dark: #121220;
  --accent-blue: #00f7ff;
  --accent-purple: #bd00ff;
  --accent-pink: #ff00c8;
  --text-primary: #ffffff;
  --text-secondary: #a0a0c0;
  --card-bg: rgba(30, 30, 60, 0.6);
  --glass-bg: rgba(30, 30, 60, 0.3);
  --border-color: rgba(100, 100, 200, 0.2);
  --hover-bg: rgba(100, 100, 200, 0.1);
  --success: #00ff9d;
  --warning: #ffcc00;
  --danger: #ff3860;
}

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

body {
  font-family: 'Exo 2', sans-serif;
  background: var(--primary-dark);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(189, 0, 255, 0.1) 0%, transparent 20%),
    radial-gradient(circle at 90% 80%, rgba(0, 247, 255, 0.1) 0%, transparent 20%);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  display: flex;
  max-width: 1400px;
  margin: 0 auto;
  height: 100vh;
  padding: 10px;
}

/* Sidebar Styles */
.sidebar {
  flex: 0 0 250px;
  padding: 15px;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--glass-bg);
  border-radius: 20px;
  margin-right: 10px;
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
}

.logo h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.8rem;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 30px;
  padding: 10px;
}

.logo img {
  width: 200px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 10px rgba(0, 247, 255, 0.7));
}

.nav-menu ul {
  list-style: none;
}

.nav-menu li {
  margin-bottom: 5px;
}

.nav-menu a {
  display: flex;
  align-items: center;
  padding: 12px 15px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.1rem;
  border-radius: 15px;
  transition: all 0.3s ease;
}

.nav-menu a i {
  margin-right: 15px;
  font-size: 1.3rem;
}

.nav-menu a:hover, .nav-menu .active a {
  background: var(--hover-bg);
  color: var(--accent-blue);
  box-shadow: 0 0 15px rgba(0, 247, 255, 0.3);
}

.tweet-btn {
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  color: white;
  border: none;
  padding: 15px;
  border-radius: 30px;
  font-size: 1.1rem;
  font-weight: 600;
  margin: 20px 0;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 0 20px rgba(189, 0, 255, 0.5);
}

.tweet-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(0, 247, 255, 0.7);
}

.user-profile {
  display: flex;
  align-items: center;
  margin-top: auto;
  padding: 15px;
  border-radius: 15px;
  transition: all 0.3s ease;
}

.user-profile:hover {
  background: var(--hover-bg);
}

.user-profile img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 10px;
  border: 2px solid var(--accent-blue);
}

.user-info h4 {
  font-weight: 600;
}

.user-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Main Content Styles */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--glass-bg);
  border-radius: 20px;
  margin: 0 10px;
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.header h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.icon-btn:hover {
  background: var(--hover-bg);
  color: var(--accent-blue);
}

/* Tweet Composer */
.tweet-composer {
  display: flex;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.tweet-composer img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 15px;
  border: 2px solid var(--accent-blue);
}

.composer-input {
  flex: 1;
}

.composer-input textarea {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-family: 'Exo 2', sans-serif;
  resize: none;
  padding: 10px 0;
  height: 100px;
}

.composer-input textarea:focus {
  outline: none;
}

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

.composer-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
}

.action-icons {
  display: flex;
  gap: 15px;
}

.action-icons .icon-btn {
  color: var(--accent-blue);
}

.tweet-submit {
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tweet-submit:hover {
  box-shadow: 0 0 20px rgba(189, 0, 255, 0.5);
}

/* Tweet Feed */
.tweet-feed {
  flex: 1;
  overflow-y: auto;
}

.tweet-card {
  display: flex;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.tweet-card:hover {
  background: var(--hover-bg);
}

.tweet-card img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 15px;
  border: 2px solid var(--accent-blue);
}

.tweet-content {
  flex: 1;
}

.tweet-header {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.tweet-header h4 {
  font-weight: 600;
  margin-right: 10px;
}

.tweet-header span {
  color: var(--text-secondary);
  margin-right: 5px;
}

.tweet-header .timestamp {
  margin-left: auto;
}

.tweet-content p {
  font-size: 1.1rem;
  line-height: 1.4;
  margin-bottom: 15px;
}

.tweet-actions {
  display: flex;
  justify-content: space-between;
  max-width: 300px;
}

.action-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.action-btn:hover {
  color: var(--accent-blue);
}

.action-btn:hover i {
  transform: scale(1.2);
}

/* Right Sidebar */
.right-sidebar {
  flex: 0 0 350px;
  padding: 15px;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--glass-bg);
  border-radius: 20px;
  margin-left: 10px;
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
}

.search-bar {
  display: flex;
  margin-bottom: 20px;
}

.search-bar input {
  flex: 1;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 30px 0 0 30px;
  padding: 12px 20px;
  color: var(--text-primary);
  font-family: 'Exo 2', sans-serif;
  font-size: 1rem;
}

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

.search-bar input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.search-bar button {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-left: none;
  border-radius: 0 30px 30px 0;
  color: var(--text-primary);
  padding: 0 20px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.search-bar button:hover {
  background: var(--hover-bg);
  color: var(--accent-blue);
}

.trending-card, .crypto-widget {
  background: var(--card-bg);
  border-radius: 15px;
  padding: 20px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
}

.trending-card h3, .crypto-widget h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  font-family: 'Orbitron', sans-serif;
}

.trending-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

.trending-item:last-child {
  border-bottom: none;
}

.trending-category {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 5px;
}

.trending-item h4 {
  font-weight: 600;
  margin-bottom: 5px;
}

.trending-count {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.price-info {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.crypto-symbol {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem;
  margin-right: 10px;
  color: var(--accent-blue);
}

.price {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.5rem;
  margin-right: 10px;
}

.change {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.9rem;
  padding: 3px 8px;
  border-radius: 10px;
}

.change.positive {
  background: rgba(0, 255, 157, 0.2);
  color: var(--success);
}

.chart-placeholder {
  height: 100px;
  background: var(--hover-bg);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .right-sidebar {
    display: none;
  }
  
  .sidebar {
    flex: 0 0 80px;
  }
  
  .logo h1, .nav-menu a span, .tweet-btn span, .user-info {
    display: none;
  }
  
  .logo {
    text-align: center;
  }
  
  .logo i {
    font-size: 2rem;
  }
  
  .nav-menu a {
    justify-content: center;
    padding: 15px;
  }
  
  .nav-menu a i {
    margin-right: 0;
    font-size: 1.5rem;
  }
  
  .tweet-btn {
    border-radius: 50%;
    width: 60px;
    height: 60px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .tweet-btn i {
    margin-right: 0;
  }
  
  .user-profile {
    justify-content: center;
    padding: 10px 0;
  }
  
  .user-profile img {
    margin-right: 0;
  }
}

/* Animations */
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 247, 255, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(0, 247, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 247, 255, 0); }
}

.pulse {
  animation: pulse 2s infinite;
}

/* Preloader Styles */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 26, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  backdrop-filter: blur(5px);
}

.preloader-content {
  text-align: center;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 5px solid var(--accent-blue);
  border-top-color: var(--accent-purple);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

.demo-notice {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.2rem;
  color: var(--text-primary);
  text-shadow: 0 0 10px var(--accent-blue);
  max-width: 300px;
  line-height: 1.5;
}

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

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--primary-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-purple);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}