/* ImToIM Web Client Styles */

:root {
  --primary-color: #6366f1;
  --primary-hover: #4f46e5;
  --secondary-color: #64748b;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all 0.2s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.5;
  height: 100vh;
  overflow: hidden;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

/* Page Layout */
.page {
  width: 100%;
  height: 100vh;
}

/* Auth Page */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: 20px;
}

.auth-container {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.logo {
  text-align: center;
  margin-bottom: 32px;
}

.logo h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 8px;
}

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

/* Tabs */
.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  background: var(--bg-color);
  padding: 4px;
  border-radius: var(--radius);
}

.tab-btn {
  flex: 1;
  padding: 10px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active {
  background: var(--card-bg);
  color: var(--primary-color);
  box-shadow: var(--shadow);
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 14px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  width: 100%;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

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

.btn-secondary:hover {
  background: var(--border-color);
}

.icon-btn {
  background: transparent;
  border: none;
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.icon-btn:hover {
  background: var(--bg-color);
}

.link-btn {
  background: none;
  border: none;
  color: var(--primary-color);
  font-size: 13px;
  cursor: pointer;
  text-decoration: underline;
}

/* Messages */
.error-message {
  color: var(--danger-color);
  font-size: 13px;
  margin-top: 12px;
  text-align: center;
}

.success-message {
  color: var(--success-color);
  font-size: 13px;
  margin-top: 12px;
  text-align: center;
}

/* Server Config */
.server-config {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

#server-config-panel {
  margin-top: 12px;
}

/* Main Page Layout */
.main-page {
  display: flex;
}

/* Sidebar */
.sidebar {
  width: 320px;
  background: var(--card-bg);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

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

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.avatar.large {
  width: 80px;
  height: 80px;
  font-size: 40px;
  margin: 0 auto 16px;
}

.user-details {
  display: flex;
  flex-direction: column;
}

.user-id {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

.status {
  font-size: 12px;
  color: var(--text-secondary);
}

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

.status.offline {
  color: var(--text-secondary);
}

/* Search */
.search-box {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.search-box input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 14px;
  background: var(--bg-color);
}

/* Contacts List */
.contacts-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

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

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

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

.contact-item .contact-name {
  font-weight: 500;
  font-size: 14px;
  margin-bottom: 2px;
}

.contact-item .last-message {
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-item .contact-meta {
  text-align: right;
}

.contact-item .time {
  font-size: 12px;
  color: var(--text-secondary);
}

.contact-item .unread-badge {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 10px;
  margin-top: 4px;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
}

/* Chat Area */
.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-color);
}

/* Empty State */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.empty-icon {
  font-size: 64px;
  margin-bottom: 16px;
}

.empty-state h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

/* Chat Container */
.chat-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
}

.chat-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.contact-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.contact-details h3 {
  font-size: 16px;
  font-weight: 600;
}

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

/* Messages Container */
.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.message {
  max-width: 70%;
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  position: relative;
}

.message.sent {
  align-self: flex-end;
  background: var(--primary-color);
  color: white;
  border-bottom-right-radius: 4px;
}

.message.received {
  align-self: flex-start;
  background: var(--bg-color);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

.message .message-content {
  font-size: 14px;
  line-height: 1.5;
  word-wrap: break-word;
}

.message .message-time {
  font-size: 11px;
  opacity: 0.7;
  margin-top: 4px;
  text-align: right;
}

.message .message-status {
  font-size: 11px;
  margin-top: 2px;
  text-align: right;
}

/* Message Input Area */
.message-input-area {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: flex-end;
  gap: 12px;
  background: var(--card-bg);
}

.input-wrapper {
  flex: 1;
  background: var(--bg-color);
  border-radius: 20px;
  padding: 10px 16px;
}

#message-input {
  width: 100%;
  border: none;
  background: transparent;
  resize: none;
  font-size: 14px;
  max-height: 120px;
  font-family: inherit;
}

#message-input:focus {
  outline: none;
}

#send-btn {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
}

/* Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

.modal-content {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
  z-index: 1001;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.close-btn {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
}

.modal-body {
  padding: 20px;
}

/* Profile */
.profile-info {
  text-align: center;
}

.profile-info h4 {
  font-size: 18px;
  margin-bottom: 8px;
}

.key-display {
  font-family: monospace;
  font-size: 12px;
  color: var(--text-secondary);
  word-break: break-all;
  background: var(--bg-color);
  padding: 12px;
  border-radius: var(--radius);
  margin-top: 12px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius);
  color: white;
  font-size: 14px;
  animation: slideIn 0.3s ease;
  box-shadow: var(--shadow-lg);
}

.toast.success {
  background: var(--success-color);
}

.toast.error {
  background: var(--danger-color);
}

.toast.info {
  background: var(--primary-color);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

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

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

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

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

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    position: absolute;
    z-index: 100;
  }

  .sidebar.hidden {
    display: none;
  }

  .auth-container {
    padding: 24px;
  }
}

/* Connection Status Indicator */
.connection-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}

.connection-indicator.online {
  background: var(--success-color);
}

.connection-indicator.connecting {
  background: var(--warning-color);
  animation: pulse 1s infinite;
}

.connection-indicator.offline {
  background: var(--danger-color);
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}