* {
  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;
}

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

/* Header */
.inquiry-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;
}

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

.inquiry-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;
}

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

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

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

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

.inquiry-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;
}

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

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

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

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

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

/* Main Content */
.inquiry-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);
}

.inquiry-page-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.inquiry-page-title {
  font-size: 2.5rem;
  font-weight: bold;
  color: white;
  margin-bottom: 0.5rem;
}

.inquiry-page-subtitle {
  color: #cbd5e0;
  font-size: 1.1rem;
}

/* Message Stats */
.inquiry-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.inquiry-stat-card {
  background: rgba(45, 55, 72, 0.3);
  border-radius: 15px;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.inquiry-stat-number {
  font-size: 2rem;
  font-weight: bold;
  color: #4fd1c7;
  margin-bottom: 0.5rem;
}

.inquiry-stat-label {
  color: #cbd5e0;
  font-size: 0.9rem;
}

/* Message Filters */
.inquiry-filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.inquiry-filter-btn {
  padding: 0.7rem 1.5rem;
  border: 2px solid rgba(79, 209, 199, 0.3);
  background: rgba(255, 255, 255, 0.1);
  color: #cbd5e0;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.inquiry-filter-btn.active {
  background: linear-gradient(45deg, #2d8a7f, #0891b2);
  border-color: #4fd1c7;
  color: white;
}

.inquiry-filter-btn:hover {
  border-color: #4fd1c7;
  background: rgba(79, 209, 199, 0.2);
}

/* Search Bar */
.inquiry-search {
  margin-bottom: 2rem;
}

.inquiry-search-input {
  width: 100%;
  max-width: 400px;
  padding: 1rem;
  border: 2px solid rgba(79, 209, 199, 0.2);
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.1);
  color: #e2e8f0;
  font-size: 1rem;
  transition: all 0.3s ease;
}

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

.inquiry-search-input::placeholder {
  color: rgba(226, 232, 240, 0.6);
}

/* inquiry List */
.inquiry-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.inquiry-conversation {
  background: rgba(45, 55, 72, 0.6);
  border-radius: 15px;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.inquiry-conversation:hover {
  background: rgba(45, 55, 72, 0.8);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.inquiry-conversation-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.inquiry-conversation-info {
  flex: 1;
}

.inquiry-conversation-title {
  font-size: 1.2rem;
  font-weight: bold;
  color: #e2e8f0;
  margin-bottom: 0.5rem;
}

.inquiry-conversation-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
  color: #9ca3af;
}

.inquiry-conversation-type {
  background: linear-gradient(45deg, #2d8a7f, #0891b2);
  color: white;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.75rem;
  font-weight: 600;
}

.inquiry-conversation-type.received {
  background: linear-gradient(45deg, #27ae60, #2ecc71);
}

.inquiry-conversation-type.sent {
  background: linear-gradient(45deg, #3498db, #2980b9);
}

.inquiry-conversation-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.inquiry-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #27ae60;
}

.inquiry-status-dot.unread {
  background: #e74c3c;
}

.inquiry-status-dot.read {
  background: #9ca3af;
}

.inquiry-game-info {
  display: flex;
  gap: 1rem;
  align-items: center;
  background: rgba(30, 41, 59, 0.5);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.inquiry-game-image {
  width: 80px;
  height: 60px;
  background: linear-gradient(45deg, #2d8a7f, #0891b2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.8rem;
  font-weight: bold;
  flex-shrink: 0;
}

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

.inquiry-game-details h4 {
  color: #e2e8f0;
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

.inquiry-game-details p {
  color: #9ca3af;
  font-size: 0.85rem;
}

.inquiry-last-message {
  color: #cbd5e0;
  font-size: 0.9rem;
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.inquiry-conversation-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: #9ca3af;
}

.inquiry-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: capitalize;
}

.inquiry-actions {
  display: flex;
  gap: 0.5rem;
}

.inquiry-view-btn {
  padding: 0.5rem 1.2rem;
  background: linear-gradient(45deg, #2d8a7f, #0891b2);
  color: white;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.inquiry-view-btn:hover {
  background: linear-gradient(45deg, #1e5b54, #065f73);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(45, 138, 127, 0.4);
}

/* Empty State */
.inquiry-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: #9ca3af;
}

.inquiry-empty-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.inquiry-empty-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #cbd5e0;
}

.inquiry-empty-text {
  font-size: 1rem;
  line-height: 1.6;
}

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

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

  .inquiry-page-title {
    font-size: 2rem;
  }

  .inquiry-stats {
    grid-template-columns: 1fr 1fr;
  }

  .inquiry-filters {
    justify-content: center;
  }

  .inquiry-filter-btn {
    font-size: 0.85rem;
    padding: 0.6rem 1.2rem;
  }

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

  .inquiry-conversation-meta {
    flex-wrap: wrap;
  }

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

  .inquiry-game-image {
    width: 60px;
    height: 45px;
  }
}

@media (max-width: 480px) {
  .inquiry-container {
    padding: 0 10px;
  }

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

  .inquiry-page-title {
    font-size: 1.8rem;
  }

  .inquiry-stats {
    grid-template-columns: 1fr;
  }

  .inquiry-stat-card {
    padding: 1rem;
  }

  .inquiry-conversation {
    padding: 1rem;
  }

  .inquiry-conversation-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}