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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
}

/* Navbar */
.navbar {
  background: #000000;
  color: rgb(0, 0, 0);
  padding: 1rem 0;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: white;
}

.logo-img {
  height: 110px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  color: rgb(255, 255, 255);
  text-decoration: none;
  transition: opacity 0.3s;
}

.nav-links a:hover {
  opacity: 0.7;
}

#logout-btn {
  background: #e74c3c;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.3s;
}

#logout-btn:hover {
  background: #c0392b;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 2rem 0;
  margin-bottom: 2rem;
}

.hero h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.hero p {
  color: #666;
  font-size: 1.1rem;
}

/* Videos Grid */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.video-card {
  background: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.video-thumbnail {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: #ddd;
}

.video-card-info {
  padding: 1rem;
}

.video-card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-card-meta {
  font-size: 0.9rem;
  color: #666;
}

/* Section Header */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-header h3 {
  margin: 0;
}

.language-filter {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.language-filter label {
  font-size: 0.9rem;
  color: #666;
}

.language-filter select {
  padding: 0.5rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  background: white;
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.2s;
}

.language-filter select:focus {
  outline: none;
  border-color: #667eea;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
}

.pagination button {
  padding: 0.5rem 1rem;
  border: 1px solid #ddd;
  background: white;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.3s;
}

.pagination button:hover:not(:disabled) {
  background: #f0f0f0;
}

.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination button.active {
  background: #3498db;
  color: white;
  border-color: #3498db;
}

/* Auth Forms */
.auth-container {
  max-width: 400px;
  margin: 2rem auto;
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.auth-container h2 {
  text-align: center;
  margin-bottom: 1.5rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #3498db;
}

.form-group small {
  color: #666;
  font-size: 0.85rem;
}

.btn-primary {
  width: 100%;
  padding: 0.75rem;
  background: #3498db;
  color: white;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.3s;
}

.btn-primary:hover {
  background: #2980b9;
}

.btn-primary:disabled {
  background: #95a5a6;
  cursor: not-allowed;
}

.auth-link {
  text-align: center;
  margin-top: 1rem;
}

.auth-link a {
  color: #3498db;
  text-decoration: none;
}

/* Upload Section */
.upload-section {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.info-box {
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 4px;
  padding: 1rem;
  margin-bottom: 2rem;
}

.info-box h4 {
  margin-bottom: 0.5rem;
}

.info-box ul {
  margin-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.file-info {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: #666;
}

.progress-container {
  margin: 1rem 0;
}

.progress-bar {
  width: 100%;
  height: 30px;
  background: #f0f0f0;
  border-radius: 15px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3498db, #2ecc71);
  transition: width 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

#progress-text {
  text-align: center;
  margin-top: 0.5rem;
}

/* Video Player */
.video-container {
  max-width: 1000px;
  margin: 0 auto;
}

.video-player {
  background: black;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.video-player video {
  width: 100%;
  height: auto;
  display: block;
}

.video-info {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.video-info h2 {
  margin-bottom: 1rem;
}

.video-meta {
  display: flex;
  gap: 1rem;
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.video-stats {
  background: #f8f9fa;
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.video-stats p {
  margin-bottom: 0.5rem;
}

.compression-info {
  color: #27ae60;
  font-weight: 500;
}

.video-description {
  border-top: 1px solid #eee;
  padding-top: 1rem;
}

/* Messages */
.message {
  padding: 0.75rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.message.error {
  background: #fee;
  color: #c33;
  border: 1px solid #fcc;
}

.message.success {
  background: #efe;
  color: #3c3;
  border: 1px solid #cfc;
}

.loading {
  text-align: center;
  color: #666;
  padding: 2rem;
}

/* Footer */
footer {
  background: #1a1a1a;
  color: white;
  text-align: center;
  padding: 2rem;
  margin-top: 4rem;
}

/* Cookie Notice */
.cookie-notice {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 1.5rem;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
  z-index: 9999;
  animation: slideUp 0.5s ease-out;
}

.cookie-notice.hidden {
  display: none;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.cookie-content p {
  margin: 0;
  flex: 1;
  font-size: 1rem;
  line-height: 1.5;
}

.cookie-btn {
  background: white;
  color: #667eea;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 25px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  white-space: nowrap;
}

.cookie-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

/* User Profile */
.profile-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  margin-bottom: 2rem;
}

.profile-avatar {
  flex-shrink: 0;
}

.avatar-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: bold;
  color: white;
  text-transform: uppercase;
}

.profile-info {
  flex: 1;
}

.profile-username {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #1a1a1a;
}

.profile-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: bold;
  color: #667eea;
}

.stat-label {
  font-size: 0.875rem;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.profile-section {
  margin-bottom: 2rem;
}

.section-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: #1a1a1a;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #667eea;
}

.no-videos {
  background: white;
  padding: 3rem;
  border-radius: 8px;
  text-align: center;
  color: #666;
}

.no-videos p {
  font-size: 1.1rem;
}

.compression-badge {
  background: #27ae60;
  color: white;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: bold;
}

/* Username links */
.video-card-meta a,
.video-info a,
#video-author a {
  color: #667eea;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.video-card-meta a:hover,
.video-info a:hover,
#video-author a:hover {
  color: #764ba2;
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: 1rem;
  }

  .videos-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
  }

  .container {
    padding: 1rem;
  }

  .cookie-content {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .cookie-notice {
    padding: 1rem;
  }

  .profile-header {
    flex-direction: column;
    text-align: center;
  }

  .profile-stats {
    justify-content: center;
  }

  .avatar-circle {
    width: 100px;
    height: 100px;
    font-size: 2.5rem;
  }

  .profile-username {
    font-size: 1.5rem;
  }
}