/* ================================================================
   V39 — WHATSAPP WEB COMPLETE DESIGN SYSTEM (PC & MOBILE)
   Authentic WhatsApp Web & Mobile Theme Overhaul:
   1. WhatsApp Color Tokens & Surfaces (Dark & Light)
   2. Navigation Rail & Sidebar Conversation List (72px rows, 49px avatars)
   3. Chat Canvas (#0b141a with subtle doodle pattern)
   4. Message Bubbles (#005c4b outgoing, #202c33 incoming, timestamp + double checks)
   5. WhatsApp Composer (62px bar, emoji, attachment popup, send button)
   6. Group Info & Settings / Admin Panels (WhatsApp style slide-ins & modals)
   ================================================================ */

:root {
  --wa-teal: #008069;
  --wa-green: #00a884;
  --wa-green-hover: #008f6f;
  --wa-green-active: #0a332c;
  --wa-blue-tick: #53bdeb;
}

:root[data-theme="dark"] {
  --wa-bg-deep: #0b141a;
  --wa-bg-panel: #111b21;
  --wa-bg-header: #202c33;
  --wa-bg-hover: #202c33;
  --wa-bg-input: #2a3942;
  --wa-bubble-out: #005c4b;
  --wa-bubble-in: #202c33;
  --wa-text-primary: #e9edef;
  --wa-text-secondary: #8696a0;
  --wa-border: rgba(134, 150, 160, 0.15);
  --wa-border-light: rgba(255, 255, 255, 0.06);
}

:root[data-theme="light"] {
  --wa-bg-deep: #efeae2;
  --wa-bg-panel: #ffffff;
  --wa-bg-header: #f0f2f5;
  --wa-bg-hover: #f5f6f6;
  --wa-bg-input: #ffffff;
  --wa-bubble-out: #d9fdd3;
  --wa-bubble-in: #ffffff;
  --wa-text-primary: #111b21;
  --wa-text-secondary: #667781;
  --wa-border: rgba(11, 20, 26, 0.08);
  --wa-border-light: rgba(11, 20, 26, 0.04);
}

/* ================================================================
   1. LEFT NAVIGATION RAIL (PC >= 768px)
   ================================================================ */
@media (min-width: 768px) {
  .sidebar-icon {
    width: 64px !important;
    min-width: 64px !important;
    background: var(--wa-bg-header, #202c33) !important;
    border-right: 1px solid var(--wa-border, rgba(134, 150, 160, 0.15)) !important;
    padding: 12px 0 10px !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: space-between !important;
    box-sizing: border-box !important;
    z-index: 40 !important;
  }

  .sidebar-top {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 14px !important;
    width: 100% !important;
  }

  .sidebar-top .avatar {
    width: 40px !important;
    height: 40px !important;
    border-radius: 50% !important;
    background: linear-gradient(135deg, #00a884, #008f6f) !important;
    color: #ffffff !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25) !important;
    transition: transform 0.2s ease, filter 0.2s ease !important;
  }
  .sidebar-top .avatar:hover {
    transform: scale(1.06) !important;
    filter: brightness(1.08) !important;
  }

  .nav-icons {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 8px !important;
    width: 100% !important;
  }
}

/* Nav Icon Styling (Applies to both PC and Mobile) */
.nav-icon {
  width: 42px !important;
  height: 42px !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  color: var(--wa-text-secondary, #8696a0) !important;
  background: transparent !important;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
  position: relative !important;
  box-shadow: none !important;
  cursor: pointer !important;
}

.nav-icon svg {
  width: 24px !important;
  height: 24px !important;
  fill: none !important;
  stroke: currentColor !important;
  stroke-width: 1.8 !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
}

@media (max-width: 767px) {
  .nav-icon {
    width: 48px !important;
    height: 48px !important;
    flex: 1 !important;
  }
}

.nav-icon:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  color: var(--wa-text-primary, #e9edef) !important;
  transform: scale(1.06) !important;
}

:root[data-theme="light"] .nav-icon {
  color: #54656f !important;
}

:root[data-theme="light"] .nav-icon:hover {
  background: rgba(0, 0, 0, 0.06) !important;
  color: #111b21 !important;
}

.nav-icon.active {
  background: rgba(255, 255, 255, 0.1) !important;
  color: var(--wa-green, #00a884) !important;
  box-shadow: none !important;
}

:root[data-theme="light"] .nav-icon.active {
  background: rgba(0, 168, 132, 0.1) !important;
  color: var(--wa-green, #00a884) !important;
}

@media (min-width: 768px) {
  .nav-icon.active::before {
    content: '' !important;
    position: absolute !important;
    left: 2px !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    width: 4px !important;
    height: 20px !important;
    background: var(--wa-green, #00a884) !important;
    border-radius: 2px !important;
  }
}

/* ================================================================
   2. CONVERSATION & CONTACT LIST SIDEBAR (PC >= 768px)
   ================================================================ */
@media (min-width: 768px) {
  .sidebar-menu {
    width: 380px !important;
    min-width: 340px !important;
    max-width: 420px !important;
    background: var(--wa-bg-panel, #111b21) !important;
    border-right: 1px solid var(--wa-border, rgba(134, 150, 160, 0.15)) !important;
    display: flex !important;
    flex-direction: column !important;
    box-sizing: border-box !important;
    z-index: 30 !important;
  }
}

/* ================================================================
   2.5. SEARCH BOX (PC & MOBILE)
   ================================================================ */
/* Search Area */
.sidebar-menu .search-box-area {
  padding: 10px 14px 8px !important;
  background: var(--wa-bg-panel, #111b21) !important;
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
  border-bottom: 0 !important;
  position: relative !important;
}

.sidebar-menu .search-input {
  width: 100% !important;
  height: 36px !important;
  border-radius: 8px !important;
  background: var(--wa-bg-header, #202c33) !important;
  border: 1px solid transparent !important;
  padding: 0 14px 0 38px !important;
  font-size: 13.5px !important;
  color: var(--wa-text-primary, #e9edef) !important;
  box-sizing: border-box !important;
  outline: none !important;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease !important;
}

:root[data-theme="light"] .sidebar-menu .search-input {
  background: #f0f2f5 !important;
  color: #111b21 !important;
}

.sidebar-menu .search-box-area::before {
  content: '' !important;
  width: 16px !important;
  height: 16px !important;
  position: absolute !important;
  left: 26px !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238696a0' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='7'%3E%3C/circle%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'%3E%3C/line%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: center !important;
  background-size: contain !important;
  pointer-events: none !important;
  z-index: 3 !important;
}

.sidebar-menu .search-input:focus {
  border-color: var(--wa-green, #00a884) !important;
  background: var(--wa-bg-input, #2a3942) !important;
  box-shadow: 0 0 0 2px rgba(0, 168, 132, 0.2) !important;
}

@media (min-width: 768px) {
  /* Create button only needed on PC if using old layout, 
     but now we use the WhatsApp header action, so this is just fallback */

  .sidebar-menu .create-btn {
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
    border-radius: 50% !important;
    background: var(--wa-green, #00a884) !important;
    color: #ffffff !important;
    font-size: 20px !important;
    font-weight: 300 !important;
    line-height: 1 !important;
    border: none !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.2s ease !important;
    box-shadow: 0 2px 8px rgba(0, 168, 132, 0.35) !important;
  }
  .sidebar-menu .create-btn:hover {
    transform: scale(1.08) !important;
    background: var(--wa-green-hover, #008f6f) !important;
  }

  /* Filter Tabs (WhatsApp Pill Style) */
  .filter-tabs {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 4px 14px 10px !important;
    background: var(--wa-bg-panel, #111b21) !important;
    border-bottom: 1px solid var(--wa-border, rgba(134, 150, 160, 0.1)) !important;
    box-sizing: border-box !important;
  }

  .filter-tab {
    border-radius: 16px !important;
    padding: 5px 12px !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    background: var(--wa-bg-header, #202c33) !important;
    color: var(--wa-text-secondary, #8696a0) !important;
    cursor: pointer !important;
    user-select: none !important;
    transition: all 0.18s ease !important;
    border: 1px solid transparent !important;
  }

  :root[data-theme="light"] .filter-tab {
    background: #f0f2f5 !important;
    color: #667781 !important;
  }

  .filter-tab:hover {
    background: var(--wa-bg-input, #2a3942) !important;
    color: var(--wa-text-primary, #e9edef) !important;
  }

  .filter-tab.active {
    background: var(--wa-green-active, #0a332c) !important;
    color: var(--wa-green, #00a884) !important;
    border-color: rgba(0, 168, 132, 0.35) !important;
    font-weight: 600 !important;
  }

  /* Section Header */
  .section-header {
    font-size: 11.5px !important;
    font-weight: 600 !important;
    color: var(--wa-green, #00a884) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.6px !important;
    padding: 12px 16px 4px !important;
  }

  /* Conversation Item Row (72px WhatsApp Standard) */
  .room-item {
    height: 72px !important;
    min-height: 72px !important;
    padding: 0 16px !important;
    display: flex !important;
    align-items: center !important;
    gap: 14px !important;
    background: transparent !important;
    border-radius: 0 !important;
    border-bottom: 1px solid rgba(134, 150, 160, 0.07) !important;
    cursor: pointer !important;
    position: relative !important;
    transition: background 0.15s ease !important;
    box-sizing: border-box !important;
  }

  .room-item:hover {
    background: var(--wa-bg-hover, #202c33) !important;
  }

  :root[data-theme="light"] .room-item:hover {
    background: #f5f6f6 !important;
  }

  .room-item.active,
  .room-item.room-selected {
    background: var(--wa-bg-input, #2a3942) !important;
  }

  /* 49px Round Avatar */
  .room-item .room-avt,
  .room-item .room-avt-wrap {
    width: 49px !important;
    height: 49px !important;
    min-width: 49px !important;
    min-height: 49px !important;
    border-radius: 50% !important;
    overflow: hidden !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 18px !important;
    font-weight: 600 !important;
    flex-shrink: 0 !important;
    position: relative !important;
    background: linear-gradient(135deg, #00a884, #008f6f) !important;
    color: #ffffff !important;
  }

  .room-item .room-avt.is-group {
    background: linear-gradient(135deg, #1f2c34, #2a3942) !important;
    color: #25d366 !important;
    border: 1px solid rgba(37, 211, 102, 0.3) !important;
  }

  .room-item .presence-dot {
    width: 12px !important;
    height: 12px !important;
    border: 2px solid var(--wa-bg-panel, #111b21) !important;
    border-radius: 50% !important;
    position: absolute !important;
    bottom: 1px !important;
    right: 1px !important;
    z-index: 2 !important;
  }
  .room-item .presence-dot.online {
    background: var(--wa-green, #00a884) !important;
  }

  .room-item .room-info {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    gap: 3px !important;
  }

  .room-item .room-title {
    font-size: 16px !important;
    font-weight: 500 !important;
    color: var(--wa-text-primary, #e9edef) !important;
    line-height: 21px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .room-item .room-sub {
    font-size: 13.5px !important;
    font-weight: 400 !important;
    color: var(--wa-text-secondary, #8696a0) !important;
    line-height: 19px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  /* WhatsApp Green Unread Badge */
  .room-item .unread-badge {
    background: var(--wa-green, #00a884) !important;
    color: #111b21 !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    min-width: 20px !important;
    height: 20px !important;
    border-radius: 10px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 6px !important;
    flex-shrink: 0 !important;
    box-shadow: 0 2px 6px rgba(0, 168, 132, 0.4) !important;
  }
}

/* ================================================================
   3. CHAT CANVAS & MESSAGE BUBBLES
   ================================================================ */
.chat-main {
  background: var(--wa-bg-deep, #0b141a) !important;
}

/* Subtle WhatsApp background aesthetic */
:root[data-theme="dark"] .chat-window {
  background-color: #0b141a !important;
  background-image: radial-gradient(circle at 50% 50%, rgba(17, 27, 33, 0.6) 0%, rgba(11, 20, 26, 0.95) 100%) !important;
}

:root[data-theme="light"] .chat-window {
  background-color: #efeae2 !important;
}

.chat-window {
  padding: 16px 24px !important;
  gap: 3px !important;
}

/* Message Rows */
.msg-row {
  max-width: 78% !important;
  margin-bottom: 2px !important;
}

/* Outgoing Messages (Me) */
.msg-row.me .msg-bubble {
  background: var(--wa-bubble-out, #005c4b) !important;
  color: var(--wa-text-primary, #e9edef) !important;
  border-radius: 8px 8px 0 8px !important;
  border: none !important;
  box-shadow: 0 1px 0.5px rgba(11, 20, 26, 0.16) !important;
  padding: 6px 9px 8px !important;
  min-width: 80px !important;
}

:root[data-theme="light"] .msg-row.me .msg-bubble {
  background: #d9fdd3 !important;
  color: #111b21 !important;
}

/* Incoming Messages (Other) */
.msg-row.other .msg-bubble {
  background: var(--wa-bubble-in, #202c33) !important;
  color: var(--wa-text-primary, #e9edef) !important;
  border-radius: 8px 8px 8px 0 !important;
  border: none !important;
  box-shadow: 0 1px 0.5px rgba(11, 20, 26, 0.16) !important;
  padding: 6px 9px 8px !important;
  min-width: 80px !important;
}

:root[data-theme="light"] .msg-row.other .msg-bubble {
  background: #ffffff !important;
  color: #111b21 !important;
}

/* Bubble Text Typography */
.msg-bubble {
  font-size: 14.2px !important;
  line-height: 19px !important;
  word-break: break-word !important;
}

/* Sender Name */
.msg-row.other .msg-sender {
  font-size: 12.5px !important;
  font-weight: 600 !important;
  color: var(--wa-blue-tick, #53bdeb) !important;
  margin-bottom: 2px !important;
  padding-left: 2px !important;
}

/* Timestamp & Double Checkmarks */
.msg-time {
  font-size: 11px !important;
  color: rgba(255, 255, 255, 0.6) !important;
  float: right !important;
  margin-left: 8px !important;
  margin-top: 4px !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 4px !important;
}

:root[data-theme="light"] .msg-row.me .msg-time {
  color: rgba(17, 27, 33, 0.6) !important;
}

/* Reply Reference Box */
.reply-quote-box,
.v2415-reply-reference {
  background: rgba(0, 0, 0, 0.22) !important;
  border-left: 4px solid var(--wa-green, #00a884) !important;
  border-radius: 6px !important;
  padding: 5px 8px !important;
  margin-bottom: 5px !important;
}

.reply-quote-sender {
  color: var(--wa-green, #00a884) !important;
  font-weight: 600 !important;
  font-size: 12px !important;
}

.reply-quote-content {
  color: rgba(255, 255, 255, 0.8) !important;
  font-size: 12px !important;
}

/* ================================================================
   4. WHATSAPP COMPOSER TOOLBAR (PC & TABLET >= 768px)
   ================================================================ */
@media (min-width: 768px) {
  .chat-main .chat-input-zone {
    height: 62px !important;
    min-height: 62px !important;
    max-height: 62px !important;
    background: var(--wa-bg-header, #202c33) !important;
    border-top: 1px solid var(--wa-border, rgba(134, 150, 160, 0.15)) !important;
    padding: 0 16px !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    box-sizing: border-box !important;
  }

  :root[data-theme="light"] .chat-main .chat-input-zone {
    background: #f0f2f5 !important;
    border-top: 1px solid rgba(11, 20, 26, 0.08) !important;
  }

  .chat-main .chat-input-zone .zalo-toolbar {
    display: flex !important;
    align-items: center !important;
    gap: 4px !important;
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
    flex-shrink: 0 !important;
  }

  .chat-main .chat-input-zone .z-tool-icon {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px !important;
    min-height: 40px !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    color: var(--wa-text-secondary, #8696a0) !important;
    background: transparent !important;
    border: none !important;
    cursor: pointer !important;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
  }

  .chat-main .chat-input-zone .z-tool-icon:hover {
    color: var(--wa-text-primary, #e9edef) !important;
    background: rgba(255, 255, 255, 0.08) !important;
    transform: scale(1.06) !important;
  }

  :root[data-theme="light"] .chat-main .chat-input-zone .z-tool-icon:hover {
    color: #111b21 !important;
    background: rgba(0, 0, 0, 0.06) !important;
  }

  .chat-main .chat-input-zone .z-tool-icon svg {
    width: 22px !important;
    height: 22px !important;
    stroke-width: 1.8 !important;
  }

  .chat-main .chat-input-zone .zalo-input-area {
    flex: 1 1 auto !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 0 !important;
    background: transparent !important;
    min-width: 0 !important;
  }

  .chat-main .chat-input-zone .zalo-input-box {
    flex: 1 1 auto !important;
    min-height: 40px !important;
    height: 40px !important;
    border-radius: 8px !important;
    background: var(--wa-bg-input, #2a3942) !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 14px !important;
    display: flex !important;
    align-items: center !important;
    box-sizing: border-box !important;
  }

  :root[data-theme="light"] .chat-main .chat-input-zone .zalo-input-box {
    background: #ffffff !important;
    box-shadow: 0 1px 2px rgba(11, 20, 26, 0.08) !important;
  }

  .chat-main .chat-input-zone .chat-input {
    width: 100% !important;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    color: var(--wa-text-primary, #e9edef) !important;
    font-size: 14.5px !important;
    line-height: 20px !important;
    padding: 0 !important;
    min-height: auto !important;
    resize: none !important;
  }

  :root[data-theme="light"] .chat-main .chat-input-zone .chat-input {
    color: #111b21 !important;
  }

  .chat-main .chat-input-zone .chat-input::placeholder {
    color: var(--wa-text-secondary, #8696a0) !important;
  }

  /* WhatsApp Send Button */
  .chat-main .chat-input-zone .send-submit-btn {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px !important;
    min-height: 40px !important;
    border-radius: 50% !important;
    background: var(--wa-green, #00a884) !important;
    color: #ffffff !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border: none !important;
    cursor: pointer !important;
    flex-shrink: 0 !important;
    box-shadow: 0 2px 8px rgba(0, 168, 132, 0.4) !important;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.2s ease !important;
  }

  .chat-main .chat-input-zone .send-submit-btn:hover {
    background: var(--wa-green-hover, #008f6f) !important;
    transform: scale(1.08) !important;
  }
  .chat-main .chat-input-zone .send-submit-btn:active {
    transform: scale(0.92) !important;
  }
}

/* ================================================================
   5. RIGHT PANEL & SETTINGS MODALS (WHATSAPP PARITY)
   ================================================================ */
.right-info-panel {
  background: var(--wa-bg-panel, #111b21) !important;
  border-left: 1px solid var(--wa-border, rgba(134, 150, 160, 0.15)) !important;
}

.right-info-panel .panel-top {
  height: 60px !important;
  min-height: 60px !important;
  background: var(--wa-bg-header, #202c33) !important;
  border-bottom: 1px solid var(--wa-border, rgba(134, 150, 160, 0.15)) !important;
  padding: 0 16px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  box-sizing: border-box !important;
}

.right-info-panel .panel-top .panel-title {
  font-size: 16px !important;
  font-weight: 600 !important;
  color: var(--wa-text-primary, #e9edef) !important;
}

/* Modals & Dialogs (Admin / Account / Settings) */
.modal-content,
.admin-card,
.account-modal-content {
  background: var(--wa-bg-panel, #111b21) !important;
  border: 1px solid var(--wa-border, rgba(134, 150, 160, 0.2)) !important;
  border-radius: 12px !important;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5) !important;
  color: var(--wa-text-primary, #e9edef) !important;
}

:root[data-theme="light"] .modal-content,
:root[data-theme="light"] .admin-card,
:root[data-theme="light"] .account-modal-content {
  background: #ffffff !important;
  color: #111b21 !important;
}

.modal-header {
  background: var(--wa-bg-header, #202c33) !important;
  border-bottom: 1px solid var(--wa-border, rgba(134, 150, 160, 0.15)) !important;
  padding: 14px 20px !important;
}

/* Buttons in Modals */
.btn-primary,
.modal-save-btn,
.admin-primary-btn {
  background: var(--wa-green, #00a884) !important;
  color: #ffffff !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
  transition: all 0.2s ease !important;
}
.btn-primary:hover,
.modal-save-btn:hover,
.admin-primary-btn:hover {
  background: var(--wa-green-hover, #008f6f) !important;
}

/* Form Inputs in Modals */
.modal-input,
.admin-input,
.settings-input {
  background: var(--wa-bg-input, #2a3942) !important;
  border: 1px solid var(--wa-border, rgba(134, 150, 160, 0.2)) !important;
  border-radius: 8px !important;
  color: var(--wa-text-primary, #e9edef) !important;
  padding: 8px 12px !important;
  outline: none !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease !important;
}
.modal-input:focus,
.admin-input:focus,
.settings-input:focus {
  border-color: var(--wa-green, #00a884) !important;
  box-shadow: 0 0 0 2px rgba(0, 168, 132, 0.25) !important;
}

/* ================================================================
   6. MOBILE WHATSAPP REFINEMENTS (<= 767px)
   ================================================================ */
@media (max-width: 767px) {
  /* WhatsApp App Bar */
  .chat-header {
    background: var(--wa-bg-header, #1f2c34) !important;
    height: 56px !important;
    min-height: 56px !important;
    border-bottom: 1px solid var(--wa-border, rgba(134, 150, 160, 0.12)) !important;
  }

  .chat-header-left #headerAvt {
    width: 38px !important;
    height: 38px !important;
    min-width: 38px !important;
  }

  .chat-header-name {
    font-size: 15px !important;
  }

  /* WhatsApp mobile messages */
  .msg-row {
    max-width: 86% !important;
  }

  /* WhatsApp mobile bottom nav */
  .sidebar-icon {
    background: var(--wa-bg-header, #1f2c34) !important;
    border-top: 1px solid var(--wa-border, rgba(134, 150, 160, 0.15)) !important;
  }
}