:root {
  --primary-color: #6c5ce7;
  --primary-dark-color: #4834d4;
  --primary-light-color: #a29bfe;
  --secondary-color: #00cec9;
  --secondary-dark-color: #00a8a3;
  --user-message: #6c5ce7;
  --bot-message: #f1f1f1;
  --text-dark: #2d3436;
  --text-light: #636e72;
  --white: #ffffff;
  --light-bg: #f8f9fa;
  --gray-light: #dfe6e9;
  --danger-color: #e17055;
  --warning-color: #fdcb6e;
  --success-color: #00b894;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --radius: 10px;
  --radius-lg: 15px;
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light-color));
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background-color: var(--light-bg);
  color: var(--text-dark);
  overflow-x: hidden;
}

.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

/* Sidebar */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  flex: 0 0 300px;
  width: 280px;
  height: 100vh;
  background-color: var(--white);
  border-right: 1px solid var(--gray-light);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--gray-light);
}

.sidebar-header h2,
.app-brand {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.app-brand i {
  margin-right: 10px;
  font-size: 1.3rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.user-profile,
.profile-link,
.sidebar-menu,
.menu-item,
.menu-section,
.section-title,
.characters-list {
  /* preserved structural blocks — styling within */
}

.profile-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-dark);
  padding: 10px;
  border-radius: var(--radius);
  transition: all 0.3s ease;
}
.profile-link:hover {
  background-color: rgba(108, 92, 231, 0.1);
  transform: translateY(-2px);
}
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 12px;
  color: var(--white);
  box-shadow: 0 2px 5px rgba(108, 92, 231, 0.3);
}
.username {
  font-weight: 500;
  font-size: 0.95rem;
}

.language-selector {
  margin-top: 15px;
  padding: 10px;
  background-color: rgba(108, 92, 231, 0.08);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
}

.language-selector label {
  color: var(--primary-color);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.language-selector select {
  padding: 8px 10px;
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  background-color: var(--white);
  color: var(--text-dark);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.language-selector select:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

.menu-item {
  display: flex;
  align-items: center;
  padding: 12px 15px;
  margin-bottom: 8px;
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text-dark);
  transition: all 0.3s ease;
}
.menu-item i {
  width: 24px;
  margin-right: 12px;
  color: var(--primary-color);
  text-align: center;
}
.menu-item:hover {
  background-color: rgba(108, 92, 231, 0.1);
  color: var(--primary-color);
  transform: translateX(5px);
}

.section-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 15px;
  padding: 0 10px;
  letter-spacing: 0.5px;
}

.character {
  display: flex;
  align-items: center;
  padding: 10px 15px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.3s ease;
}
.character img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 12px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}
.character span {
  font-weight: 500;
  font-size: 0.9rem;
}
.character:hover {
  background-color: rgba(108, 92, 231, 0.1);
}
.character:hover img {
  transform: scale(1.1);
}
.character.active {
  background-color: var(--primary-color);
  color: var(--white);
}
.character.active i {
  color: var(--white);
}

/* Chat area */
.chat-area {
  flex: 1;
  margin-left: 280px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--white);
  overflow: hidden;
}

.chat-header {
  padding: 15px 20px;
  border-bottom: 1px solid var(--gray-light);
  display: flex;
  align-items: center;
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  position: relative;
}

.character-info {
  display: flex;
  align-items: center;
  padding: 6px 0;
  margin-left: 12px;
}
.character-info img {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 12px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  border: 2px solid var(--primary-light-color);
}
.character-details {
  display: flex;
  flex-direction: column;
}
.character-info h2 {
  font-size: 1.1rem;
  margin-bottom: 3px;
  color: var(--text-dark);
}
.character-status {
  display: flex;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-light);
}
.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 5px;
}
.status-indicator.online {
  background-color: var(--success-color);
  box-shadow: 0 0 5px var(--success-color);
}
.status-indicator.offline {
  background-color: var(--text-light);
}
.status-indicator.typing {
  background-color: var(--warning-color);
  animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
  100% { transform: scale(1); opacity: 1; }
}
.messages-container {
  flex-grow: 1;
  padding: 20px;
  overflow-y: auto;
  overflow-x: hidden;
  background-color: var(--light-bg);
  display: flex;
  flex-direction: column;
}
.message {
  max-width: 80%;
  margin-bottom: 15px;
  padding: 12px 16px;
  border-radius: 18px;
  line-height: 1.4;
  position: relative;
  animation: fadeIn 0.3s ease;
  word-break: break-word;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.message-content {
  display: block;
  width: 100%;
}

.message.user {
  align-self: flex-end;
  background: var(--gradient-primary);
  color: var(--white);
  border-bottom-right-radius: 4px;
}
.message.bot {
  align-self: flex-start;
  background-color: var(--bot-message);
  color: var(--text-dark);
  border-bottom-left-radius: 4px;
}
.message .action {
  color: var(--primary-color);
  cursor: pointer;
  margin-left: 5px;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.message:hover .action {
  opacity: 1;
}
.message-time {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.7);
  display: block;
  text-align: right;
  margin-top: 5px;
  margin-bottom: -2px;
  position: relative;
}
.message.bot .message-time {
  color: var(--text-light);
}
.message-input {
  display: flex;
  padding: 15px;
  background-color: var(--white);
  border-top: 1px solid var(--gray-light);
  align-items: center;
  gap: 10px;
  position: relative;
}
.input-container {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  background-color: var(--light-bg);
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--gray-light);
  transition: all 0.3s ease;
}
.input-container:focus-within {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}
.input-container input {
  flex: 1;
  padding: 12px 15px;
  border: none;
  font-size: 1rem;
  background-color: transparent;
}
.input-container input:focus {
  outline: none;
}
.input-actions {
  display: flex;
  padding-right: 10px;
}
.emoji-button {
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 5px;
  transition: color 0.3s ease;
}
.emoji-button:hover {
  color: var(--primary-color);
}
.message-input button {
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 5px rgba(108, 92, 231, 0.3);
}
.message-input button:hover {
  background-color: var(--primary-dark-color);
  transform: translateY(-3px);
  box-shadow: 0 5px 10px rgba(108, 92, 231, 0.4);
}
.message-input button:disabled {
  background-color: var(--gray-light);
  cursor: not-allowed;
}
.message-input button#genImageButton {
  background-color: var(--secondary-color);
}
.message-input button#genImageButton:hover {
  background-color: var(--secondary-dark-color);
}
.danger-button {
  background-color: var(--danger-color) !important;
}
.danger-button:hover {
  background-color: #d63031 !important;
}
/* Загрузка */
.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.loading-animation {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}
.loading-circle {
  width: 12px;
  height: 12px;
  background-color: var(--primary-color);
  border-radius: 50%;
  margin: 0 5px;
  animation: bounce 1.5s infinite ease-in-out;
}
.loading-circle:nth-child(1) {
  animation-delay: 0s;
}
.loading-circle:nth-child(2) {
  animation-delay: 0.2s;
}
.loading-circle:nth-child(3) {
  animation-delay: 0.4s;
}
.loading-text {
  font-size: 1.1rem;
  color: var(--text-dark);
  font-weight: 500;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.typing-indicator {
  display: inline-block;
  padding: 10px 15px;
  background-color: var(--bot-message);
  border-radius: 18px;
  margin-bottom: 15px;
  align-self: flex-start;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}
.typing-indicator span {
  height: 8px;
  width: 8px;
  background-color: var(--text-light);
  border-radius: 50%;
  display: inline-block;
  margin: 0 2px;
  animation: bounce 1.5s infinite ease-in-out;
}
@keyframes bounce {
  0%,60%,100%{transform:translateY(0);}
  30%{transform:translateY(-5px);}
}
/* Mobile menu toggle button */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-color);
  padding: 8px;
  cursor: pointer;
  z-index: 100;
  transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
  color: var(--primary-dark-color);
  transform: rotate(90deg);
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.active {
    transform: translateX(0);
    box-shadow: 2px 0 15px rgba(0,0,0,0.1);
  }
  .chat-area {
    margin-left: 0;
    width: 100%;
  }
  
  /* Special handling for mobile-menu when it has the mobile-only class */
  .mobile-menu.mobile-only {
    display: flex;
    transform: translateX(-100%);
    visibility: visible;
    opacity: 0;
  }
  
  .mobile-menu.active {
    transform: translateX(0) !important;
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  .navigation {
    display: none;
  }
  .message {
    max-width: 85%;
  }
  .app-container {
    flex-direction: column;
    height: auto;
    min-height: 100vh;
  }
}
@media (max-width: 480px) {
  .message {
    max-width: 90%;
  }
  .message-time {
    font-size: 0.65rem;
    margin-top: 3px;
  }
  .message-input {
    padding: 10px;
  }
  .message-input button {
    width: 40px;
    height: 40px;
  }
  .input-container input {
    padding: 10px 12px;
    font-size: 0.95rem;
  }
  .character-info h2 {
    font-size: 1rem;
  }
}

/* Mobile Menu Styles */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 80%;
  height: 100vh;
  background: var(--white);
  z-index: 1000;
  transform: translateX(-100%);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-lg);
  display: none;
}

.mobile-menu.active {
  transform: translateX(0);
  display: flex !important;
  flex-direction: column;
}

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

.mobile-menu-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 500;
}

.mobile-menu-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.mobile-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  color: var(--dark);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
}

.mobile-menu-item:hover {
  background: var(--light-bg);
  color: var(--primary-color);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark);
  cursor: pointer;
  padding: 5px;
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .mobile-only {
    display: block;
  }
  
  .mobile-menu.mobile-only {
    display: flex;
  }
  
  .navigation:not(.mobile-menu) {
    display: none;
  }
}