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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #2c3e50 0%, #3b4371 50%, #4a5568 100%);
  min-height: 100vh;
  color: #333;
}

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

/* Header */
.message-header {
  background: rgba(30, 41, 59, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.message-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
}

.message-logo {
  font-size: 1.8rem;
  font-weight: bold;
  background: linear-gradient(45deg, #4fd1c7, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.message-nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.message-nav-links a {
  text-decoration: none;
  color: #e2e8f0;
  font-weight: 500;
  transition: all 0.3s ease;
}

.message-nav-links a:hover {
  color: #4fd1c7;
}

.message-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #e2e8f0;
  font-size: 1.5rem;
  cursor: pointer;
}

.message-mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(30, 41, 59, 0.98);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem;
}

.message-mobile-menu.active {
  display: block;
}

.message-mobile-menu a {
  display: block;
  color: #e2e8f0;
  text-decoration: none;
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Breadcrumb */
.message-breadcrumb {
  padding: 1rem 0;
  color: #e2e8f0;
  font-size: 0.9rem;
}

.message-breadcrumb a {
  color: #4fd1c7;
  text-decoration: none;
  transition: color 0.3s ease;
}

.message-breadcrumb a:hover {
  color: #2d8a7f;
}

.message-breadcrumb span {
  margin: 0 0.5rem;
  opacity: 0.5;
}

/* Main Content */
.message-main {
  background: rgba(30, 41, 59, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Game Info Header */
.message-game-header {
  background: rgba(45, 55, 72, 0.5);
  border-radius: 15px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.message-game-info {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.message-game-image {
  width: 100px;
  height: 75px;
  background: linear-gradient(45deg, #2d8a7f, #0891b2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9rem;
  font-weight: bold;
  flex-shrink: 0;
}

.message-game-image img {
  height: inherit;
}

.message-game-details h2 {
  color: #e2e8f0;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.message-game-details p {
  color: #9ca3af;
  font-size: 1rem;
}

.message-participants {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e0;
  font-size: 0.9rem;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Comments Thread */
.message-thread {
  margin-bottom: 2rem;
}

.message-thread-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
}

.message-thread-header .btn-messages {
  max-width: 150px;
}

.message-thread-title {
  color: #e2e8f0;
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.message-thread-meta {
  color: #9ca3af;
  font-size: 0.9rem;
}

/* Reply Section */
.message-reply-section {
  background: rgba(45, 55, 72, 0.3);
  border-radius: 15px;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 2rem;
}

.message-reply-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.message-reply-avatar {
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: linear-gradient(45deg, #2d8a7f, #0891b2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.message-reply-title {
  color: #e2e8f0;
  font-size: 1rem;
  font-weight: 600;
}

.message-reply-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.message-reply-textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid rgba(79, 209, 199, 0.2);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: #e2e8f0;
  font-size: 0.95rem;
  font-family: inherit;
  resize: vertical;
  min-height: 100px;
  transition: all 0.3s ease;
}

.message-reply-textarea:focus {
  outline: none;
  border-color: #4fd1c7;
  box-shadow: 0 0 0 3px rgba(79, 209, 199, 0.1);
}

.message-reply-textarea::placeholder {
  color: rgba(226, 232, 240, 0.6);
}

.message-reply-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.message-reply-info {
  color: #9ca3af;
  font-size: 0.8rem;
}

.message-reply-buttons {
  display: flex;
  justify-content: flex-end;
}

.message-reply-btn-send {
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  background: linear-gradient(45deg, #2d8a7f, #0891b2);
  color: white;
}

.message-reply-btn-send:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(45, 138, 127, 0.4);
}

.message-reply-btn-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Comments list */
.message-comments {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* Individual Comment */
.message-comment {
  background: rgba(45, 55, 72, 0.4);
  border-radius: 12px;
  padding: 1.5rem;
  border-left: 4px solid transparent;
  transition: all 0.3s ease;
}

.message-comment:hover {
  background: rgba(45, 55, 72, 0.6);
}

.message-comment.sent {
  border-left-color: #4fd1c7;
  background: rgba(79, 209, 199, 0.1);
}

.message-comment.received {
  border-left-color: #3498db;
  background: rgba(52, 152, 219, 0.1);
}

.message-comment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.message-comment-author {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.message-comment-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(45deg, #2d8a7f, #0891b2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.message-comment-avatar.received {
  background: linear-gradient(45deg, #3498db, #2980b9);
}

.message-comment-name {
  color: #e2e8f0;
  font-weight: 600;
  font-size: 1rem;
}

.message-comment-time {
  color: #9ca3af;
  font-size: 0.8rem;
}

.message-comment-content {
  color: #e2e8f0;
  line-height: 1.6;
  font-size: 0.95rem;
  word-wrap: break-word;
}

/* Responsive Design */
@media (max-width: 768px) {
  .message-nav-links {
    display: none;
  }

  .message-menu-toggle {
    display: block;
  }

  .message-main {
    padding: 1.5rem;
    margin: 1rem 0;
  }

  .message-game-info {
    flex-direction: column;
    text-align: center;
  }

  .message-game-image {
    width: 80px;
    height: 60px;
  }

  .message-game-details h2 {
    font-size: 1.3rem;
  }

  .message-comment {
    padding: 1rem;
  }

  .message-comment-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .message-reply-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .message-reply-buttons {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .message-thread-header {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }

  .message-thread-header .message-thread-title {
    text-align: center;
  }

  .message-thread-header .btn-messages {
    min-width: 150px;
  }

  .message-container {
    padding: 0 10px;
  }

  .message-main {
    padding: 1rem;
  }

  .message-game-header {
    padding: 1rem;
  }

  .message-reply-section {
    padding: 1rem;
  }
}