/* Main Styles for Telegram-like Messenger */

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

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow: hidden;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* App Container */
#app {
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
}

/* ==================== AUTH SCREEN ==================== */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  padding: 20px;
}

.auth-container {
  width: 100%;
  max-width: 400px;
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.auth-header {
  padding: 40px 30px 20px;
  text-align: center;
  background: var(--bg-secondary);
}

.auth-logo {
  width: 80px;
  height: 80px;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  margin-right: auto;
}

.auth-logo svg {
  width: 40px;
  height: 40px;
  fill: white;
}

.auth-header h1 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.auth-header p {
  color: var(--text-secondary);
  font-size: 14px;
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
}

.auth-tab {
  flex: 1;
  padding: 16px;
  background: none;
  border: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.auth-tab:hover {
  color: var(--text-primary);
}

.auth-tab.active {
  color: var(--accent-primary);
}

.auth-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 2px;
  background: var(--accent-primary);
  border-radius: 2px;
}

.auth-form {
  padding: 30px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(51, 144, 236, 0.1);
}

.form-group input::placeholder {
  color: var(--text-muted);
}

.btn {
  width: 100%;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.auth-footer {
  padding: 20px 30px;
  text-align: center;
  border-top: 1px solid var(--border-light);
}

.auth-footer p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ==================== MAIN MESSENGER ==================== */
.messenger {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* ==================== SIDEBAR ==================== */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal);
}

.sidebar-header {
  height: var(--header-height);
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  object-fit: cover;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.user-avatar:hover {
  transform: scale(1.05);
}

.user-avatar-placeholder {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
}

.menu-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.menu-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.search-container {
  padding: 8px 12px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.search-box {
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 10px 12px 10px 36px;
  font-size: 14px;
  border: none;
  border-radius: var(--border-radius-md);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.search-box input:focus {
  outline: none;
  background: var(--bg-primary);
  box-shadow: 0 0 0 2px var(--accent-primary);
}

.search-box svg {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.chats-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.chat-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  cursor: pointer;
  transition: background var(--transition-fast);
  border-bottom: 1px solid var(--border-light);
}

.chat-item:hover {
  background: var(--bg-hover);
}

.chat-item.active {
  background: var(--bg-active);
}

.chat-item-avatar {
  position: relative;
  margin-right: 12px;
}

.chat-item-avatar img,
.chat-item-avatar-placeholder {
  width: 50px;
  height: 50px;
  border-radius: var(--border-radius-full);
  object-fit: cover;
}

.chat-item-avatar-placeholder {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 18px;
}

.chat-item-status {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--bg-sidebar);
  background: var(--online);
}

.chat-item-status.offline {
  background: var(--offline);
}

.chat-item-info {
  flex: 1;
  min-width: 0;
}

.chat-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.chat-item-name {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-item-time {
  font-size: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.chat-item-message {
  font-size: 14px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-item-message.unread {
  color: var(--text-primary);
  font-weight: 500;
}

.chat-item-badge {
  background: var(--accent-primary);
  color: white;
  font-size: 11px;
  font-weight: 600;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 8px;
  padding: 0 6px;
}

.new-chat-btn {
  position: fixed;
  bottom: 20px;
  left: 300px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-primary);
  color: white;
  border: none;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 100;
}

.new-chat-btn:hover {
  background: var(--accent-secondary);
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.new-chat-btn svg {
  width: 24px;
  height: 24px;
}

.no-chats {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
}

.no-chats svg {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}

/* ==================== CHAT AREA ==================== */
.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-chat);
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%239C92AC' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.chat-header {
  height: var(--header-height);
  padding: 0 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-header-avatar {
  position: relative;
}

.chat-header-avatar img,
.chat-header-avatar-placeholder {
  width: 42px;
  height: 42px;
  border-radius: var(--border-radius-full);
  object-fit: cover;
}

.chat-header-avatar-placeholder {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
}

.chat-header-info {
  display: flex;
  flex-direction: column;
}

.chat-header-name {
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
}

.chat-header-status {
  font-size: 13px;
  color: var(--text-muted);
}

.chat-header-status.online {
  color: var(--online);
}

.chat-header-status.typing {
  color: var(--accent-primary);
}

.chat-header-actions {
  display: flex;
  gap: 8px;
}

.chat-header-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.chat-header-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* ==================== MESSAGES AREA ==================== */
.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
}

.messages-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.message {
  max-width: 70%;
  padding: 8px 12px;
  border-radius: var(--border-radius-lg);
  position: relative;
  word-wrap: break-word;
  animation: messageAppear 0.2s ease-out;
}

@keyframes messageAppear {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message.outgoing {
  align-self: flex-end;
  background: var(--bg-message-out);
  border-bottom-right-radius: 4px;
}

.message.incoming {
  align-self: flex-start;
  background: var(--bg-message-in);
  border-bottom-left-radius: 4px;
}

.message-content {
  font-size: 15px;
  line-height: 1.4;
  color: var(--text-primary);
}

.message-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  margin-top: 4px;
  font-size: 11px;
  color: var(--text-muted);
}

.message-status {
  display: flex;
  align-items: center;
}

.message-status svg {
  width: 14px;
  height: 14px;
}

.message-status.read svg {
  color: var(--accent-primary);
}

.date-separator {
  text-align: center;
  margin: 16px 0;
  position: relative;
}

.date-separator::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--divider);
}

.date-separator span {
  background: var(--bg-chat);
  padding: 4px 12px;
  font-size: 12px;
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

/* ==================== INPUT AREA ==================== */
.chat-input-container {
  padding: 12px 16px;
  background: var(--bg-input);
  border-top: 1px solid var(--border-color);
}

.chat-input-wrapper {
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

.chat-input-actions {
  display: flex;
  gap: 8px;
}

.chat-input-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.chat-input-btn:hover {
  background: var(--bg-hover);
  color: var(--text-secondary);
}

.chat-input {
  flex: 1;
  position: relative;
}

.chat-input textarea {
  width: 100%;
  min-height: 44px;
  max-height: 200px;
  padding: 12px 16px;
  font-size: 15px;
  font-family: inherit;
  border: none;
  border-radius: 22px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  resize: none;
  outline: none;
  transition: all var(--transition-fast);
}

.chat-input textarea:focus {
  background: var(--bg-secondary);
  box-shadow: 0 0 0 2px var(--accent-primary);
}

.chat-input textarea::placeholder {
  color: var(--text-muted);
}

.send-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-full);
  border: none;
  background: var(--accent-primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.send-btn:hover {
  background: var(--accent-secondary);
  transform: scale(1.05);
}

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

.no-chat-selected {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-align: center;
  padding: 40px;
}

.no-chat-selected svg {
  width: 120px;
  height: 120px;
  margin-bottom: 24px;
  opacity: 0.3;
}

.no-chat-selected h2 {
  font-size: 24px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* ==================== MODALS ==================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 90vw;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius-full);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.modal-body {
  padding: 20px 24px;
  overflow-y: auto;
  max-height: calc(90vh - 140px);
}

/* Search Modal */
.search-users-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background: var(--bg-secondary);
  color: var(--text-primary);
  margin-bottom: 16px;
}

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

.search-results {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.search-result-item {
  display: flex;
  align-items: center;
  padding: 12px;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.search-result-item:hover {
  background: var(--bg-hover);
}

.search-result-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  margin-right: 12px;
  object-fit: cover;
}

.search-result-info {
  flex: 1;
}

.search-result-name {
  font-weight: 600;
  color: var(--text-primary);
}

.search-result-username {
  font-size: 13px;
  color: var(--text-muted);
}

.search-result-btn {
  padding: 8px 16px;
  border-radius: var(--border-radius-md);
  border: none;
  background: var(--accent-primary);
  color: white;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-result-btn:hover {
  background: var(--accent-secondary);
}

/* Settings Modal */
.settings-section {
  margin-bottom: 24px;
}

.settings-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
}

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

.settings-item-label {
  font-size: 15px;
  color: var(--text-primary);
}

.settings-item-description {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Toggle Switch */
.toggle {
  width: 48px;
  height: 26px;
  background: var(--bg-tertiary);
  border-radius: 13px;
  position: relative;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.toggle.active {
  background: var(--accent-primary);
}

.toggle-thumb {
  width: 22px;
  height: 22px;
  background: white;
  border-radius: 50%;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform var(--transition-fast);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle.active .toggle-thumb {
  transform: translateX(22px);
}

/* Profile Edit */
.profile-edit-avatar {
  text-align: center;
  margin-bottom: 24px;
}

.profile-edit-avatar img,
.profile-edit-avatar-placeholder {
  width: 100px;
  height: 100px;
  border-radius: var(--border-radius-full);
  object-fit: cover;
  margin-bottom: 12px;
}

.profile-edit-avatar-placeholder {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 36px;
  font-weight: 600;
  margin-left: auto;
  margin-right: auto;
}

.profile-edit-avatar-btn {
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.profile-edit-avatar-btn:hover {
  background: var(--bg-hover);
}

/* Contacts Modal */
.contacts-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-item {
  display: flex;
  align-items: center;
  padding: 12px;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.contact-item:hover {
  background: var(--bg-hover);
}

.contact-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  margin-right: 12px;
  object-fit: cover;
}

.contact-avatar-placeholder {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  margin-right: 12px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 18px;
}

.contact-info {
  flex: 1;
}

.contact-name {
  font-weight: 600;
  color: var(--text-primary);
}

.contact-status {
  font-size: 13px;
  color: var(--text-muted);
}

.contact-status.online {
  color: var(--online);
}

.contact-actions {
  display: flex;
  gap: 8px;
}

.contact-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-full);
  border: none;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.contact-btn:hover {
  background: var(--accent-primary);
  color: white;
}

/* ==================== UTILITY CLASSES ==================== */
.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.fade-in {
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Error Message */
.error-message {
  background: rgba(244, 67, 54, 0.1);
  color: var(--error);
  padding: 12px 16px;
  border-radius: var(--border-radius-md);
  font-size: 14px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.success-message {
  background: rgba(76, 175, 80, 0.1);
  color: var(--success);
  padding: 12px 16px;
  border-radius: var(--border-radius-md);
  font-size: 14px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.back-btn {
  display: none;
}