/* Telegram Web A Stylesheet - Exact Pixel-Perfect Clone */

:root {
  --color-primary: #8774e1;
  --color-primary-rgb: 135, 116, 225;
  --color-primary-shade: #7663db;
  --color-primary-hover: rgba(135, 116, 225, 0.12);
  --color-white: #ffffff;
  --color-error: #ff595a;
  --font-family: "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition-default: 0.18s cubic-bezier(0.2, 0, 0.2, 1);
  --border-radius-default: 10px;
}

/* Dark Theme (Default) */
html.theme-dark, body.theme-dark {
  --color-background: #212121;
  --color-background-secondary: #181818;
  --color-surface: #2c2c2c;
  --color-surface-hover: #333333;
  --color-text: #ffffff;
  --color-text-secondary: #aaaaaa;
  --color-borders-input: #424242;
  --color-borders-input-hover: #545454;
  --color-chat-bubble-out: #8774e1;
  --color-chat-bubble-in: #212121;
  --color-chat-bg: #0f0f0f;
  --color-modal-bg: #212121;
  --color-modal-border: #333333;
  --color-modal-shadow: rgba(0, 0, 0, 0.6);
  --color-scrollbar: #5a5a5a;
}

/* Light Theme */
html.theme-light, body.theme-light {
  --color-background: #ffffff;
  --color-background-secondary: #f4f4f5;
  --color-surface: #ffffff;
  --color-surface-hover: #f1f1f2;
  --color-text: #000000;
  --color-text-secondary: #707579;
  --color-borders-input: #dadce0;
  --color-borders-input-hover: #b5b8bc;
  --color-chat-bubble-out: #eeffde;
  --color-chat-bubble-in: #ffffff;
  --color-chat-bg: #90b396;
  --color-modal-bg: #ffffff;
  --color-modal-border: #e0e0e0;
  --color-modal-shadow: rgba(0, 0, 0, 0.2);
  --color-scrollbar: #c4c9cc;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-background);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-default), color var(--transition-default);
}

/* Utility Top Bar - Discreet so page is 100% clean like official Telegram */
.top-bar {
  position: fixed;
  top: 14px;
  right: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 100;
  opacity: 0.15;
  transition: opacity var(--transition-default);
}

.top-bar:hover {
  opacity: 1;
}

.top-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-borders-input);
  color: var(--color-text-secondary);
  border-radius: 20px;
  padding: 6px 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-default);
}

.top-btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
  border-color: var(--color-primary);
}

.preview-chats-btn {
  background: rgba(var(--color-primary-rgb), 0.12);
  color: var(--color-primary);
  border-color: rgba(var(--color-primary-rgb), 0.3);
}

.preview-chats-btn:hover {
  background: var(--color-primary);
  color: #ffffff;
}

html.theme-dark .sun-icon {
  display: block;
}
html.theme-dark .moon-icon {
  display: none;
}
html.theme-light .sun-icon {
  display: none;
}
html.theme-light .moon-icon {
  display: block;
}

/* Auth Wrapper */
.auth-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem 1.5rem 3rem;
  width: 100%;
}

.auth-card {
  width: 100%;
  max-width: 360px;
  text-align: center;
  animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Big Circular Telegram Logo */
.logo-container {
  margin: 0 auto 2.25rem;
  width: 160px;
  height: 160px;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo-container:hover {
  transform: scale(1.02);
}

.telegram-logo {
  width: 160px;
  height: 160px;
  filter: drop-shadow(0 4px 16px rgba(40, 170, 235, 0.2));
}

/* Headings */
.auth-title {
  font-size: 32px;
  font-weight: 500;
  line-height: 1.25;
  color: var(--color-text);
  margin-bottom: 0.625rem;
  letter-spacing: -0.2px;
}

.auth-subtitle {
  font-size: 16px;
  line-height: 1.4;
  color: var(--color-text-secondary);
  margin-bottom: 2.75rem;
  text-align: center;
}

/* Form Structure */
.auth-form {
  position: relative;
  width: 100%;
}

/* Floating Label Input Group */
.input-group {
  position: relative;
  margin-bottom: 1.125rem;
  text-align: left;
}

.input-group .floating-label {
  position: absolute;
  top: -10px;
  left: 12px;
  font-size: 12px;
  line-height: 1;
  color: var(--color-text-secondary);
  background-color: var(--color-background);
  padding: 0 6px;
  pointer-events: none;
  z-index: 2;
  transition: color var(--transition-default);
  white-space: nowrap;
}

.input-box {
  width: 100%;
  height: 54px;
  border: 1px solid var(--color-borders-input);
  border-radius: var(--border-radius-default);
  background: transparent;
  display: flex;
  align-items: center;
  padding: 0 16px;
  transition: border-color var(--transition-default), box-shadow var(--transition-default);
  position: relative;
}

.input-group:hover .input-box {
  border-color: var(--color-borders-input-hover);
}

.input-group.focused .input-box,
.input-group:focus-within .input-box {
  border-color: var(--color-primary);
  box-shadow: inset 0 0 0 1px var(--color-primary);
}

.input-group.focused .floating-label,
.input-group:focus-within .floating-label {
  color: var(--color-primary);
}

/* Country Selector Field */
.country-group {
  cursor: pointer;
  user-select: none;
}

.country-display-text {
  font-size: 16px;
  color: var(--color-text);
  flex: 1;
}

.css-icon-down {
  border: 2px solid var(--color-text-secondary);
  border-top: 0;
  border-left: 0;
  width: 8px;
  height: 8px;
  transform: rotate(45deg);
  transition: transform var(--transition-default), border-color var(--transition-default);
  margin-left: auto;
}

.country-group:hover .css-icon-down {
  border-color: var(--color-text);
}

.country-group.focused .css-icon-down {
  border-color: var(--color-primary);
  transform: rotate(-135deg);
}

/* Phone Input */
.phone-input {
  width: 100%;
  height: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text);
  font-family: inherit;
  font-size: 16px;
  caret-color: var(--color-primary);
}

/* Custom Checkbox Row */
.custom-checkbox-row {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  margin-top: 1.25rem;
  margin-bottom: 2.75rem;
  user-select: none;
  text-align: left;
}

.real-checkbox {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.custom-checkbox {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 2px solid var(--color-borders-input);
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-default);
  flex-shrink: 0;
}

.real-checkbox:checked + .custom-checkbox {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.custom-checkbox .check-svg {
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.12s ease-in-out, transform 0.12s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.real-checkbox:checked + .custom-checkbox .check-svg {
  opacity: 1;
  transform: scale(1);
}

.checkbox-label {
  font-size: 14.5px;
  color: var(--color-text);
  font-weight: 400;
}

/* Floating Action Button (Next) - Hidden until phone digits entered */
.fab-next {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(var(--color-primary-rgb), 0.38);
  display: none;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  opacity: 0;
  transform: scale(0.8);
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), background-color var(--transition-default), opacity 0.2s;
}

.fab-next.visible {
  display: flex;
  opacity: 1;
  transform: scale(1);
}

.fab-next:hover {
  transform: scale(1.08);
  background-color: var(--color-primary-shade);
  box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.5);
}

.fab-next:active {
  transform: scale(0.96);
}

/* Bottom Text Action Button */
.bottom-action {
  margin-top: 0;
  display: flex;
  justify-content: center;
}

.btn-text-primary {
  background: transparent;
  border: none;
  color: var(--color-primary);
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  padding: 10px 18px;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color var(--transition-default), color var(--transition-default);
}

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

/* QR Code View */
.qr-box-container {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

.qr-code-wrapper {
  position: relative;
  width: 240px;
  height: 240px;
  background: #ffffff;
  border-radius: 20px;
  padding: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

#qrCanvas {
  width: 208px;
  height: 208px;
  display: block;
}

.qr-center-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.qr-steps {
  list-style: none;
  counter-reset: step-counter;
  text-align: left;
  max-width: 320px;
  margin: 1.5rem auto 2.5rem;
  padding: 0;
}

.qr-steps li {
  counter-increment: step-counter;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 14.5px;
  line-height: 1.45;
  color: var(--color-text);
  margin-bottom: 12px;
}

.qr-steps li::before {
  content: counter(step-counter);
  background-color: var(--color-primary);
  color: #ffffff;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Monkey Mascot Container (Exact Telegram Artwork) */
.monkey-wrapper {
  margin: 0 auto 1.5rem;
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 500px;
}

.monkey-stage {
  position: relative;
  width: 140px;
  height: 140px;
  transform-style: preserve-3d;
  transition: transform 0.1s ease-out;
}

.monkey-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}

.monkey-face-img {
  z-index: 1;
}

.monkey-eyes-img {
  z-index: 2;
  transition: transform 0.08s ease-out;
}

/* Code Verification View Elements */
.code-header {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 0.5rem;
}

.sent-phone-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.sent-phone-number {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.3px;
}

.edit-phone-btn {
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-default), transform 0.15s;
}

.edit-phone-btn:hover {
  color: var(--color-primary);
  transform: scale(1.1);
}

.code-subtitle {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.45;
  margin-bottom: 2.5rem;
}

.code-input-group {
  margin-bottom: 2rem;
}

.code-input-field {
  width: 100%;
  height: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text);
  font-family: inherit;
  font-size: 16px;
  caret-color: var(--color-primary);
}

/* Error Shake Animation */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-9px); }
  40%, 80% { transform: translateX(9px); }
}

.shake-error {
  animation: shake 0.38s ease-in-out !important;
  border-color: var(--color-error) !important;
  box-shadow: inset 0 0 0 1px var(--color-error) !important;
}

.input-group.error .floating-label {
  color: var(--color-error) !important;
}

/* Country Modal / Dropdown */
.country-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: fadeIn 0.15s ease-out;
}

.country-modal {
  width: 100%;
  max-width: 440px;
  max-height: 80vh;
  background-color: var(--color-modal-bg);
  border: 1px solid var(--color-modal-border);
  border-radius: 16px;
  box-shadow: 0 10px 40px var(--color-modal-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalPop 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes modalPop {
  from {
    transform: scale(0.94);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

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

.country-modal-header h2 {
  font-size: 19px;
  font-weight: 500;
  color: var(--color-text);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-default);
}

.modal-close-btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.country-search-bar {
  display: flex;
  align-items: center;
  padding: 12px 18px;
  gap: 12px;
  border-bottom: 1px solid var(--color-modal-border);
  background-color: var(--color-surface);
}

.country-search-bar .search-icon {
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.country-search-bar input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text);
  font-family: inherit;
  font-size: 15px;
}

.country-list {
  flex: 1;
  overflow-y: auto;
  max-height: 400px;
}

.country-item {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  cursor: pointer;
  transition: background-color var(--transition-default);
}

.country-item:hover {
  background-color: var(--color-surface-hover);
}

.country-item.selected {
  background-color: rgba(var(--color-primary-rgb), 0.12);
}

.country-item-flag {
  font-size: 22px;
  margin-right: 16px;
  line-height: 1;
}

.country-item-name {
  flex: 1;
  font-size: 15px;
  color: var(--color-text);
  text-align: left;
}

.country-item-code {
  font-size: 15px;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* Custom Scrollbar */
.country-list::-webkit-scrollbar,
.chat-items-list::-webkit-scrollbar,
.chat-messages-container::-webkit-scrollbar {
  width: 6px;
}

.country-list::-webkit-scrollbar-thumb,
.chat-items-list::-webkit-scrollbar-thumb,
.chat-messages-container::-webkit-scrollbar-thumb {
  background: var(--color-scrollbar);
  border-radius: 4px;
}

/* Telegram Chat Full Web App Interface */
.chat-app-container {
  position: fixed;
  inset: 0;
  display: flex;
  background-color: var(--color-background);
  z-index: 500;
  overflow: hidden;
}

.chat-sidebar {
  width: 380px;
  border-right: 1px solid var(--color-borders-input);
  background-color: var(--color-surface);
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-default), color var(--transition-default);
  flex-shrink: 0;
}

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

.search-input-wrapper {
  flex: 1;
  height: 42px;
  background-color: var(--color-background);
  border-radius: 22px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 10px;
  border: 1px solid transparent;
  transition: border-color var(--transition-default);
}

.search-input-wrapper:focus-within {
  border-color: var(--color-primary);
}

.search-input-wrapper input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--color-text);
  font-family: inherit;
  font-size: 14.5px;
  width: 100%;
}

.chat-tabs {
  display: flex;
  padding: 0 10px;
  border-bottom: 1px solid var(--color-borders-input);
  overflow-x: auto;
}

.tab-item {
  padding: 10px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  position: relative;
  white-space: nowrap;
}

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

.tab-item.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 12px;
  right: 12px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 3px 3px 0 0;
}

.chat-items-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
}

.chat-row {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  gap: 12px;
  cursor: pointer;
  transition: background-color var(--transition-default);
}

.chat-row:hover {
  background-color: var(--color-surface-hover);
}

.chat-row.active {
  background-color: rgba(var(--color-primary-rgb), 0.16);
}

.chat-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  color: #ffffff;
  flex-shrink: 0;
}

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

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

.chat-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

.chat-preview {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-last-msg {
  font-size: 14px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.chat-unread-badge {
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  border-radius: 12px;
  padding: 2px 7px;
  margin-left: 8px;
}

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

.chat-area-header {
  height: 60px;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-borders-input);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 10;
}

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

.active-chat-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2aabee, #229ed9);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.active-chat-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
}

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

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

.chat-messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 20px 20px;
}

.message-date-badge {
  align-self: center;
  margin-bottom: 12px;
}

.message-date-badge span {
  background-color: rgba(0, 0, 0, 0.35);
  color: #ffffff;
  padding: 4px 12px;
  border-radius: 14px;
  font-size: 13px;
  font-weight: 500;
}

.messages-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.msg-bubble {
  max-width: 460px;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 15px;
  line-height: 1.4;
  position: relative;
  display: flex;
  flex-direction: column;
  word-break: break-word;
  animation: msgAppear 0.2s ease-out;
}

@keyframes msgAppear {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.msg-bubble.outbound {
  align-self: flex-end;
  background-color: var(--color-primary);
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.msg-bubble.inbound {
  align-self: flex-start;
  background-color: var(--color-surface);
  color: var(--color-text);
  border-bottom-left-radius: 4px;
}

.msg-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  font-size: 11.5px;
  opacity: 0.75;
  margin-top: 4px;
}

/* Chat Input Bar */
.chat-input-bar {
  padding: 12px 18px;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-borders-input);
}

.composer-container {
  display: flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-background);
  border-radius: 24px;
  padding: 4px 8px 4px 14px;
  border: 1px solid var(--color-borders-input);
}

.composer-container input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 15px;
  color: var(--color-text);
  padding: 6px 0;
}

.send-action-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

.send-action-btn:hover {
  transform: scale(1.08);
}

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

/* Responsiveness */
@media (max-width: 768px) {
  .chat-sidebar {
    width: 100%;
  }
  .chat-main-area {
    display: none;
  }
}