/* Loop - Premium Design System (OLED-Black, Neon Cyan & Purple) */
:root {
  --transition-speed: 250ms;
  --transition-curve: cubic-bezier(0.16, 1, 0.3, 1);

  /* Tema Escuro (Padrão de Alto Contraste Neon) */
  --bg-app: #030508;
  --bg-sidebar: #06090D;
  --bg-content: #06090D;
  --bg-card: rgba(12, 17, 26, 0.85);
  
  --border-color: rgba(0, 210, 255, 0.25); /* Cyan Neon */
  --border-hover: rgba(0, 210, 255, 0.55);
  --border-purple: rgba(187, 102, 255, 0.3);
  
  --text-primary: #ffffff;
  --text-secondary: #c2d2e3;
  --text-muted: #7d90a6;
  
  --accent-cyan: #00D2FF;
  --accent-purple: #bb66ff;
  --accent-glow: rgba(0, 210, 255, 0.20);
  --accent-purple-glow: rgba(187, 102, 255, 0.20);
  
  --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.85);
  --shadow-key: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 2px 4px rgba(0, 0, 0, 0.4), 0 0 1px rgba(0, 210, 255, 0.25);
  --shadow-glow: 0 0 14px rgba(0, 210, 255, 0.45);
  --bg-input: rgba(12, 17, 26, 0.95);
}

/* Tema Claro (Suporte de Acessibilidade) */
body.light-theme {
  --bg-app: #f4f6f9;
  --bg-sidebar: #ffffff;
  --bg-content: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.90);
  
  --border-color: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.16);
  --border-purple: rgba(0, 0, 0, 0.1);
  
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  
  --accent-cyan: #0284c7;
  --accent-purple: #7c3aed;
  --accent-glow: rgba(2, 132, 199, 0.1);
  --accent-purple-glow: rgba(124, 58, 237, 0.1);
  
  --shadow-inset: inset 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-key: inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-glow: none;
  --bg-input: rgba(255, 255, 255, 0.95);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  user-select: none;
  -webkit-user-select: none;
}

/* Allow text selection in message content, input/textareas, and copyable text areas */
.msg-bubble,
.msg-bubble *,
.messages-container,
.messages-container *,
input,
textarea,
.selectable,
.selectable *,
pre,
code,
#pix-copia-cola {
  user-select: text !important;
  -webkit-user-select: text !important;
}

html, body {
  width: 100%;
  height: 100%;
  height: 100dvh;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

/* Extension popup fixed size constraint */
html.extension-mode, html.extension-mode body {
  width: 780px;
  height: 580px;
}

body {
  background-color: var(--bg-app);
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background-color var(--transition-speed) ease;
}

/* --- GLOW PULSE FOR E2EE --- */
@keyframes pulseDot {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 8px var(--accent-cyan); }
  100% { transform: scale(0.9); opacity: 0.6; }
}

.e2ee-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  display: inline-block;
  margin-right: 4px;
  animation: pulseDot 2s infinite ease-in-out;
}

/* --- SCROLLBARS --- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-app);
}
::-webkit-scrollbar-thumb {
  background: rgba(0, 210, 255, 0.15);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* --- CONTAINER GERAL --- */
.app-container {
  width: 100%;
  height: 100%;
  display: flex;
  background-color: var(--bg-app);
  position: relative;
  overflow: hidden;
}

/* --- SIDEBAR LATERAL --- */
.sidebar {
  width: 70px;
  height: 100%;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px 0;
  gap: 12px;
  z-index: 10;
  transition: all var(--transition-speed) ease;
  flex-shrink: 0;
}

.logo-area {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(0, 210, 255, 0.3);
  cursor: pointer;
  transition: transform 0.3s ease;
}
.logo-area:hover {
  transform: rotate(180deg) scale(1.05);
}
.logo-icon {
  font-family: 'Orbitron', sans-serif;
  font-size: 24px;
  font-weight: 900;
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}
.logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: inherit;
}

.sidebar-divider {
  width: 32px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  margin: 4px 0;
  opacity: 0.6;
}

.nav-item {
  width: 46px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-speed) var(--transition-curve);
  position: relative;
  outline: none;
}
.nav-icon {
  font-size: 16px;
  margin-bottom: 2px;
}
.nav-img-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
  margin-bottom: 2px;
  filter: opacity(0.7) drop-shadow(0 0 1px rgba(0, 210, 255, 0.3));
  transition: all var(--transition-speed) ease;
}
.nav-item:hover .nav-img-icon {
  filter: opacity(1) drop-shadow(0 0 4px rgba(0, 210, 255, 0.6));
}
.nav-item.active .nav-img-icon {
  filter: opacity(1) drop-shadow(0 0 6px rgba(0, 210, 255, 0.8));
}
.nav-label {
  font-size: 7.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.04);
  border-color: var(--border-color);
  color: var(--text-primary);
}
.nav-item.active {
  background-color: var(--accent-glow);
  border-color: rgba(0, 210, 255, 0.45);
  color: var(--accent-cyan);
  box-shadow: var(--shadow-key);
}
.nav-item.active .nav-label {
  color: var(--accent-cyan);
}

/* --- CONTEÚDO PRINCIPAL --- */
.main-content {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-app);
  overflow: hidden;
  position: relative;
}

/* --- CABEÇALHO --- */
.app-header {
  height: 55px;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-sidebar);
  flex-shrink: 0;
}
.view-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  text-transform: uppercase;
}
.e2ee-status {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  background: rgba(0, 210, 255, 0.08);
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid rgba(0, 210, 255, 0.2);
  margin-left: 10px;
  font-weight: 600;
}
.header-left {
  display: flex;
  align-items: center;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.premium-badge {
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #030508;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  padding: 3px 8px;
  border-radius: 4px;
}
.user-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  font-size: 11px;
  font-weight: 600;
}
.user-avatar-emoji {
  font-size: 13px;
}

/* --- VIEW PANES --- */
.view-pane {
  display: none;
  flex: 1;
  width: 100%;
  height: calc(100% - 55px);
  position: relative;
  overflow: hidden;
}
.view-pane.active {
  display: block;
}

/* --- INPUT RECESSED SYSTEM --- */
.recessed-input {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 6px 12px;
  color: var(--text-primary);
  font-size: 12px;
  outline: none;
  box-shadow: var(--shadow-inset);
  transition: all 0.2s ease;
}
.recessed-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-inset), 0 0 10px rgba(0, 210, 255, 0.2);
}

/* --- SPLIT LAYOUT CHATS --- */
.pane-split {
  display: flex;
  width: 100%;
  height: 100%;
}
.chat-list-sidebar {
  width: 240px;
  height: 100%;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  background-color: rgba(6, 9, 13, 0.6);
  flex-shrink: 0;
}
.search-bar-wrap {
  padding: 12px;
  border-bottom: 1px solid var(--border-color);
}
.chat-items-container {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
}

/* --- CHAT ITEM ELEMENT --- */
.chat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 4px;
  border: 1px solid transparent;
  position: relative;
}
.chat-item:hover {
  background-color: rgba(255, 255, 255, 0.03);
  border-color: rgba(255,255,255,0.05);
}
.chat-item.active {
  background-color: var(--accent-glow);
  border-color: var(--border-color);
}
.chat-item.unread::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 6px var(--accent-cyan);
}
.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}
.chat-item-meta {
  flex: 1;
  min-width: 0;
}
.chat-item-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2px;
}
.chat-item-title-row h4 {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chat-item-time {
  font-size: 8px;
  color: var(--text-muted);
}
.chat-item-last-msg {
  font-size: 10px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- ACTIVE WINDOW CHAT --- */
.chat-window-container {
  flex: 1;
  height: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-app);
}

.no-chat-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 40px;
  text-align: center;
  color: var(--text-muted);
}
.logo-watermark {
  font-family: 'Orbitron', sans-serif;
  font-size: 80px;
  font-weight: 900;
  background: linear-gradient(135deg, rgba(0, 210, 255, 0.05), rgba(187, 102, 255, 0.05));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 15px;
}
.no-chat-state h3 {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.no-chat-state p {
  font-size: 11px;
}

.active-chat-state {
  display: flex;
  flex-direction: column;
  height: 100%;
  width: 100%;
}

/* Chat window Header */
.chat-header {
  height: 50px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(6, 9, 13, 0.4);
  flex-shrink: 0;
}
.chat-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.chat-header-left h3 {
  font-size: 13px;
  font-weight: 600;
}
.chat-header-left span {
  font-size: 9px;
}
.chat-header-actions {
  display: flex;
  gap: 6px;
}
.header-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 600;
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.header-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 8px rgba(0, 210, 255, 0.15);
}

/* Message History container */
.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Message Bubbles */
.msg-bubble-wrap {
  display: flex;
  flex-direction: column;
  max-width: 75%;
}
.msg-bubble-wrap.received {
  align-self: flex-start;
}
.msg-bubble-wrap.sent {
  align-self: flex-end;
}
.msg-sender-name {
  font-size: 9px;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 3px;
  padding-left: 4px;
}
.msg-bubble {
  padding: 10px 12px;
  border-radius: 16px;
  font-size: 11.5px;
  line-height: 1.4;
  position: relative;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.received .msg-bubble {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-top-left-radius: 4px;
  color: var(--text-primary);
}
.sent .msg-bubble {
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.15) 0%, rgba(0, 210, 255, 0.15) 100%);
  border: 1px solid var(--border-color);
  border-top-right-radius: 4px;
  color: var(--text-primary);
}
.msg-meta-row {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
  font-size: 8px;
  color: var(--text-muted);
}

/* Sub-feature elements inside chat bubbles */
.msg-transcription {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px dashed rgba(0, 210, 255, 0.2);
  font-size: 10px;
  color: var(--accent-cyan);
  font-style: italic;
}
.msg-translation-txt {
  margin-top: 4px;
  font-size: 10px;
  color: var(--text-muted);
  border-left: 2px solid var(--accent-purple);
  padding-left: 6px;
}
.audio-card-simulated {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
}
.play-btn-circle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  color: #030508;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  cursor: pointer;
}
.audio-timeline-bar {
  flex: 1;
  height: 4px;
  background-color: rgba(255,255,255,0.1);
  border-radius: 2px;
  position: relative;
}
.audio-timeline-fill {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 40%;
  background-color: var(--accent-cyan);
  border-radius: 2px;
}

/* AI notifications */
.translation-bar {
  background-color: rgba(187, 102, 255, 0.08);
  border-top: 1px solid rgba(187, 102, 255, 0.2);
  border-bottom: 1px solid rgba(187, 102, 255, 0.2);
  padding: 6px 16px;
  font-size: 9.5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}
.translation-close {
  cursor: pointer;
  font-size: 14px;
  color: var(--text-muted);
}
.translation-close:hover {
  color: var(--text-primary);
}

.task-detector-box {
  background-color: rgba(0, 210, 255, 0.08);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 8px 16px;
  flex-shrink: 0;
}
.task-box-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 6px;
}
.task-box-close {
  cursor: pointer;
  font-size: 12px;
}
.task-box-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.detected-task-item {
  font-size: 9.5px;
  background: rgba(12, 17, 26, 0.6);
  padding: 4px 8px;
  border-radius: 6px;
  border: 1px solid rgba(0, 210, 255, 0.1);
  display: flex;
  justify-content: space-between;
}
.task-tag {
  background: rgba(0, 210, 255, 0.15);
  color: var(--accent-cyan);
  padding: 1px 4px;
  border-radius: 4px;
  font-size: 8px;
  font-weight: 700;
}

/* Smart replies */
.smart-replies {
  display: flex;
  gap: 6px;
  padding: 8px 16px;
  overflow-x: auto;
  background-color: var(--bg-app);
  flex-shrink: 0;
  border-top: 1px solid rgba(255,255,255,0.02);
}
.smart-reply-pill {
  font-size: 10px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 20px;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}
.smart-reply-pill:hover {
  border-color: var(--accent-cyan);
  color: var(--text-primary);
  background-color: rgba(0, 210, 255, 0.05);
}

/* Chat Input Bar */
.chat-input-bar {
  min-height: 52px;
  height: auto;
  padding: 8px 16px;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-sidebar);
  flex-shrink: 0;
  position: relative;
}
.input-pill-wrapper {
  flex: 1;
  display: flex;
  align-items: flex-end;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 4px 12px;
  gap: 6px;
  box-shadow: var(--shadow-inset);
  min-height: 38px;
}
.message-input {
  flex: 1;
  background-color: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  resize: none;
  height: 28px;
  max-height: 120px;
  line-height: 20px;
  padding: 4px 0;
  overflow-y: auto;
}
.chat-action-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: all 0.2s ease;
}
.chat-action-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: scale(1.05);
}
.chat-action-btn.inner-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  padding: 0;
  margin-bottom: 5px;
  font-size: 14px;
  flex-shrink: 0;
}
.chat-action-btn.inner-btn:hover {
  transform: scale(1.1);
  color: var(--accent-cyan);
}
#btn-self-destruct.inner-btn {
  font-size: 9px;
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 0 4px;
  min-width: 38px;
  height: 20px;
  margin-bottom: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.send-circle-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
  border: none;
  color: #030508;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(0, 210, 255, 0.4);
  transition: all 0.2s ease;
  margin-bottom: 1px;
}
.send-circle-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.6);
}
.send-circle-btn:active {
  transform: scale(0.94);
}
}

/* --- TYPING INDICATOR (WhatsApp-style) --- */
@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%           { transform: translateY(-6px); opacity: 1; }
}
.typing-indicator-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 10px;
}
.typing-indicator-wrap.hidden {
  display: none;
}
.typing-bubble {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 18px 18px 18px 4px;
  padding: 10px 14px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
  animation: fadeIn 0.2s ease;
}
.typing-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-cyan);
  animation: typingBounce 1.2s infinite ease-in-out;
}
.typing-dot:nth-child(1) { animation-delay: 0s; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.typing-name {
  font-size: 11px;
  color: var(--text-secondary);
  font-style: italic;
  margin-left: 8px;
  align-self: center;
}

/* --- VIEW: COMMUNITIES --- */
.communities-layout {
  padding: 20px;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}
.communities-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.communities-header-bar h2 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: 'Orbitron', sans-serif;
  color: var(--text-primary);
}
.inline-btn {
  width: auto;
  padding: 6px 16px;
  font-size: 11px;
}
.communities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.community-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: all 0.3s ease;
}
.community-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 210, 255, 0.45);
  box-shadow: 0 8px 20px rgba(0, 210, 255, 0.1);
}
.community-card.premium-channel {
  border-color: var(--border-purple);
}
.community-card.premium-channel:hover {
  border-color: rgba(187, 102, 255, 0.5);
  box-shadow: 0 8px 20px rgba(187, 102, 255, 0.1);
}
.channel-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 8px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 20px;
  text-transform: uppercase;
}
.badge-free {
  background-color: rgba(0, 210, 255, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 210, 255, 0.2);
}
.badge-premium {
  background-color: rgba(187, 102, 255, 0.1);
  color: var(--accent-purple);
  border: 1px solid rgba(187, 102, 255, 0.2);
}
.community-card h3 {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
}
.community-card p {
  font-size: 10.5px;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 15px;
  flex: 1;
}
.community-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 9px;
  color: var(--text-muted);
}
.btn-join-channel {
  background-color: var(--accent-cyan);
  color: #030508;
  border: none;
  padding: 4px 12px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
}
.premium-channel .btn-join-channel {
  background-color: var(--accent-purple);
  color: #ffffff;
}

/* --- VIEW: SEARCH --- */
.search-layout {
  padding: 20px;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.search-input-wrap {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}
.search-input {
  flex: 1;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 10px 16px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  box-shadow: var(--shadow-inset);
}
.search-input:focus {
  border-color: var(--accent-cyan);
}
.search-submit-btn {
  width: 140px;
}
.search-filters-row {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.filter-chip {
  font-size: 10px;
  font-weight: 600;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 4px 12px;
  border-radius: 20px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.filter-chip:hover {
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}
.filter-chip.active {
  background: var(--accent-glow);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}
.search-results-container {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.search-ai-answer-card {
  background: linear-gradient(135deg, rgba(0, 210, 255, 0.08) 0%, rgba(12, 17, 26, 0.6) 100%);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.ai-answer-header {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.search-ai-answer-card p {
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--text-secondary);
}
.search-results-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.search-result-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.search-result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 9.5px;
  color: var(--text-muted);
}
.search-result-source {
  font-weight: 700;
  color: var(--accent-cyan);
}
.search-result-text {
  font-size: 11px;
  line-height: 1.4;
  color: var(--text-primary);
}
.search-result-match-type {
  align-self: flex-start;
  font-size: 8px;
  font-weight: 700;
  background-color: rgba(255, 255, 255, 0.04);
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
}
.empty-state-search {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  text-align: center;
  color: var(--text-muted);
}
.search-watermark {
  font-size: 60px;
  margin-bottom: 10px;
  opacity: 0.15;
}

/* --- VIEW: PROFILE --- */
.profile-layout {
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  height: 100%;
  overflow-y: auto;
}
.profile-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 20px;
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}
.profile-header-meta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.profile-avatar-large {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s ease;
}
.profile-avatar-large::after {
  content: "✏️";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 240, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  opacity: 0;
  transition: opacity 0.2s ease;
  border-radius: 16px;
}
.profile-avatar-large:hover::after {
  opacity: 1;
}
.profile-names h2 {
  font-size: 16px;
  font-weight: 700;
}
.text-cyan {
  color: var(--accent-cyan);
}
.profile-details-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  border-top: 1px solid rgba(255,255,255,0.03);
  padding-top: 16px;
}
.detail-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.detail-label {
  font-size: 8px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}
.detail-val {
  font-size: 11px;
  font-weight: 600;
}
.profile-qr-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: rgba(255,255,255,0.01);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 10px;
}
.qr-placeholder {
  width: 120px;
  height: 120px;
  background-color: #030508;
  border-radius: 8px;
  padding: 4px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
}
.qr-square {
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle, #000000 35%, transparent 40%), linear-gradient(45deg, #000 25%, transparent 25%, transparent 75%, #000 75%), linear-gradient(45deg, #000 25%, #fff 25%, #fff 75%, #000 75%);
  background-size: 6px 6px;
}
.qr-help {
  font-size: 9px;
  color: var(--text-muted);
  line-height: 1.3;
}
.invite-link-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.invite-input-row {
  display: flex;
  gap: 8px;
}
.copy-btn {
  width: 80px;
}
.profile-actions {
  display: flex;
  justify-content: flex-end;
  border-top: 1px solid rgba(255,255,255,0.03);
  padding-top: 16px;
}
.danger-btn {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
  font-size: 11px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.danger-btn:hover {
  background-color: #ef4444;
  color: #ffffff;
}

/* --- BUTTONS & LABELS --- */
.form-label {
  font-size: 8px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  display: block;
}
.submit-btn {
  width: 100%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-key);
  outline: none;
}
.submit-btn:hover {
  opacity: 0.95;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 210, 255, 0.25);
}
.submit-btn:active {
  transform: translateY(0);
}

/* --- AUTH OVERLAY & CARDS --- */
.auth-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-app);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-speed) ease;
}
.auth-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.auth-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 24px;
  width: 350px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.auth-logo {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}
.auth-card h2 {
  font-size: 18px;
  font-weight: 700;
}
.auth-card p {
  font-size: 11px;
  color: var(--text-muted);
}
.form-step {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.form-step.hidden {
  display: none;
}
.form-input {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  box-shadow: var(--shadow-inset);
  text-align: center;
}
.form-input:focus {
  border-color: var(--accent-cyan);
}

/* OTP Input grid */
.otp-inputs {
  display: flex;
  justify-content: center;
  gap: 8px;
}
.otp-digit {
  width: 36px;
  height: 40px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-cyan);
  text-align: center;
  outline: none;
  box-shadow: var(--shadow-inset);
}
.otp-digit:focus {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-inset), 0 0 8px rgba(0, 210, 255, 0.2);
}
.resend-text {
  font-size: 10px;
  color: var(--text-muted);
}
.resend-text span {
  color: var(--accent-cyan);
  cursor: pointer;
  font-weight: 600;
}
.resend-text span:hover {
  text-decoration: underline;
}

/* Avatar choices */
.avatar-select-grid {
  display: flex;
  justify-content: center;
  gap: 8px;
}
.avatar-option {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.avatar-option:hover {
  border-color: var(--accent-cyan);
}
.avatar-option.selected {
  background-color: var(--accent-glow);
  border-color: var(--accent-cyan);
}

/* --- MODAL WINDOWS --- */
.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-speed) ease;
}
.modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
}
.modal-card {
  background: var(--bg-sidebar);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 16px;
  width: 340px;
  max-height: 480px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
  transform: scale(0.9);
  transition: transform var(--transition-speed) var(--transition-curve);
  box-sizing: border-box;
}
.modal-overlay.show .modal-card {
  transform: scale(1);
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.02);
  padding-bottom: 8px;
}
.modal-header h3 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: 'Orbitron', sans-serif;
  color: var(--accent-cyan);
}
.modal-close {
  cursor: pointer;
  font-size: 18px;
  color: var(--text-muted);
}
.modal-close:hover {
  color: var(--text-primary);
}
.form-row-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
}
.form-label-checkbox {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-secondary);
}

/* Checkout PIX Modal details */
.pix-price-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 12px;
}
.pix-price-label {
  font-size: 8px;
  font-weight: 700;
  color: var(--text-muted);
}
.pix-price-amount {
  font-size: 15px;
  font-weight: 800;
  color: var(--accent-cyan);
  font-family: 'Fira Code', monospace;
}
.qr-pix-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.qr-placeholder-pix {
  width: 130px;
  height: 130px;
  background-color: #ffffff;
  border-radius: 10px;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.qr-pix-blocks {
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle, #000 40%, transparent 45%), linear-gradient(45deg, #000 25%, transparent 25%, transparent 75%, #000 75%), linear-gradient(45deg, #000 25%, #fff 25%, #fff 75%, #000 75%);
  background-size: 8px 8px;
}

/* --- GLOBAL TOAST NOTIFICATION --- */
.toast-notification {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  z-index: 200;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  pointer-events: none;
  white-space: nowrap;
}
.toast-notification.show {
  transform: translateX(-50%) translateY(0);
}

.hidden {
  display: none !important;
}
.text-muted {
  color: var(--text-muted);
}
.text-center {
  text-align: center;
}
.font-orbitron {
  font-family: 'Orbitron', sans-serif;
}

/* --- ITEM 5: PRIVACY & SECURITY STYLES --- */
.security-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 10px;
}
.profile-security-box, .profile-e2ee-box {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}

/* --- TOGGLE SWITCH SYSTEM --- */
.switch-container {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 20px;
  flex-shrink: 0;
}
.switch-container input {
  opacity: 0;
  width: 0;
  height: 0;
}
.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: .3s;
  border-radius: 20px;
}
.switch-slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 2px;
  bottom: 2px;
  background-color: var(--text-muted);
  transition: .3s;
  border-radius: 50%;
}
.switch-container input:checked + .switch-slider {
  background-color: rgba(0, 210, 255, 0.15);
  border-color: var(--accent-cyan);
}
.switch-container input:checked + .switch-slider:before {
  transform: translateX(18px);
  background-color: var(--accent-cyan);
  box-shadow: 0 0 6px var(--accent-cyan);
}

.e2ee-keys-container {
  background-color: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.key-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.key-label {
  font-size: 8px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}
.key-input-code {
  font-family: 'Fira Code', monospace;
  font-size: 9px;
  padding: 5px 8px;
  background-color: rgba(6, 9, 13, 0.7);
  color: var(--accent-cyan);
}
#btn-self-destruct {
  width: auto;
  min-width: 44px;
  padding: 0 8px;
  font-size: 10px;
  border-radius: 20px;
  color: var(--text-secondary);
}
#btn-self-destruct.active {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 8px rgba(0, 210, 255, 0.25);
}
.msg-destruct-timer {
  font-size: 8.5px;
  color: var(--accent-purple);
  font-weight: 700;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 3px;
}
.pin-digit, .pin-set-digit {
  width: 38px;
  height: 44px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-cyan);
  text-align: center;
  outline: none;
  box-shadow: var(--shadow-inset);
}
.pin-digit:focus, .pin-set-digit:focus {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-inset), 0 0 8px rgba(0, 210, 255, 0.2);
}

/* Drag & Drop Upload Zone */
#chat-messages-history.drag-over {
  border: 2px dashed var(--accent-cyan) !important;
  background-color: rgba(0, 240, 255, 0.05) !important;
  transition: all 0.2s ease-in-out;
}

/* Uploading placeholder and spinner classes */
.message-spinner-container {
  display: flex;
  align-items: center;
  gap: 8px;
}
.message-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: message-spin 0.8s linear infinite;
}
@keyframes message-spin {
  to {
    transform: rotate(360deg);
  }
}
.message-placeholder {
  opacity: 0.7;
  font-style: italic;
}

.back-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 20px;
  cursor: pointer;
  margin-right: 12px;
  padding: 4px;
  align-items: center;
  justify-content: center;
  outline: none;
  transition: transform 0.2s ease;
}
.back-btn:hover {
  transform: scale(1.1);
  color: var(--accent-cyan);
}

/* --- RESPONSIVE MOBILE PORTRAIT LAYOUT --- */
@media (max-width: 767px) {
  /* Bottom navigation bar instead of sidebar */
  .sidebar {
    width: 100% !important;
    height: 60px !important;
    flex-direction: row !important;
    justify-content: space-around !important;
    padding: 0 10px !important;
    border-right: none !important;
    border-top: 1px solid var(--border-color) !important;
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    top: auto !important;
    z-index: 1000 !important;
    background-color: var(--bg-sidebar) !important;
  }
  
  .sidebar .logo-area,
  .sidebar .sidebar-divider {
    display: none !important;
  }
  
  .nav-item {
    flex: 1 !important;
    height: 100% !important;
    width: auto !important;
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    padding: 4px 0 !important;
  }
  
  .nav-item.active {
    background-color: transparent !important;
    border-bottom: 2px solid var(--accent-cyan) !important;
    color: var(--accent-cyan) !important;
  }
  
  /* Main Content adjustment */
  .main-content {
    height: calc(100% - 60px) !important;
    margin-bottom: 60px !important;
  }
  
  .view-pane {
    height: 100% !important;
  }
  
  /* Chat Split Layout (Single Pane transition) */
  .chat-list-sidebar {
    width: 100% !important;
    display: block !important;
    border-right: none !important;
  }
  
  .chat-window-container {
    width: 100% !important;
    display: none !important;
  }
  
  /* Active Chat state full screen */
  .app-container.chat-active .chat-list-sidebar {
    display: none !important;
  }
  
  .app-container.chat-active .chat-window-container {
    display: flex !important;
  }
  
  .app-container.chat-active .no-chat-state {
    display: none !important;
  }
  
  .app-container.chat-active .active-chat-state {
    display: flex !important;
  }
  
  /* Hide headers and sidebar when chat is active on mobile */
  .app-container.chat-active .app-header {
    display: none !important;
  }
  
  .app-container.chat-active .main-content {
    height: 100% !important;
    height: 100dvh !important;
    margin-bottom: 0 !important;
  }
  
  /* Active Chat Header Layout adjustments for mobile */
  .chat-header-actions .btn-text {
    display: none !important;
  }
  
  .chat-header-actions .header-btn {
    width: 32px !important;
    height: 32px !important;
    border-radius: 50% !important;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 14px !important;
  }
  
  .chat-header-left {
    min-width: 0 !important;
    flex: 1 !important;
    gap: 8px !important;
  }
  
  .chat-header-left .chat-avatar {
    width: 32px !important;
    height: 32px !important;
    flex-shrink: 0 !important;
    border-radius: 50% !important;
  }
  
  .chat-header-info {
    min-width: 0 !important;
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
  }
  
  .chat-header-left h3 {
    font-size: 12px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    margin: 0 !important;
  }
  
  .chat-header-left span {
    font-size: 9px !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    display: block !important;
    margin-top: 2px !important;
  }

  
  .app-container.chat-active .sidebar {
    display: none !important;
  }
  
  /* Show back button when chat is active */
  .app-container.chat-active .back-btn {
    display: flex !important;
  }
  
  /* Grid collapsing */
  .communities-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
  
  .profile-details-grid {
    grid-template-columns: 1fr !important;
    gap: 8px !important;
  }
  
  .profile-qr-box {
    flex-direction: column !important;
    text-align: center !important;
    gap: 12px !important;
  }
  
  .qr-placeholder {
    margin: 0 auto !important;
  }
  
  /* Auth Screen mobile scaling */
  .auth-card {
    width: 90% !important;
    max-width: 350px !important;
    padding: 16px !important;
  }
  
  .otp-inputs {
    gap: 4px !important;
  }
  
  .otp-digit {
    width: 32px !important;
    height: 36px !important;
    font-size: 16px !important;
  }
  
  .avatar-select-grid {
    gap: 4px !important;
  }
  
  .avatar-option {
    width: 32px !important;
    height: 32px !important;
    font-size: 16px !important;
  }
  
  /* Modals scaling */
  .modal-card {
    width: 92% !important;
    max-width: 340px !important;
  }
  
  /* Chat inputs responsive layout (WhatsApp-Style) */
  .chat-input-bar {
    padding: 6px 8px !important;
    gap: 6px !important;
    min-height: 48px !important;
  }
  
  .input-pill-wrapper {
    padding: 2px 8px !important;
    gap: 4px !important;
    border-radius: 20px !important;
    min-height: 34px !important;
  }
  
  .message-input {
    padding: 4px 2px !important;
    font-size: 12px !important;
    height: 24px !important;
    line-height: 16px !important;
  }
  
  .chat-action-btn.inner-btn {
    width: 26px !important;
    height: 26px !important;
    font-size: 12px !important;
    margin-bottom: 3px !important;
  }
  
  #btn-self-destruct.inner-btn {
    min-width: 32px !important;
    font-size: 8px !important;
    height: 18px !important;
    margin-bottom: 7px !important;
  }
  
  .send-circle-btn {
    width: 34px !important;
    height: 34px !important;
  }
  
  .msg-bubble-wrap {
    max-width: 85% !important;
  }
  
  /* Header optimization for mobile */
  .hide-mobile {
    display: none !important;
  }
  
  .app-header {
    padding: 0 10px !important;
    height: 48px !important;
  }
  
  .view-title {
    font-size: 13px !important;
  }
  
  .e2ee-status {
    font-size: 8px !important;
    padding: 2px 6px !important;
    margin-left: 6px !important;
  }
  
  .credits-badge {
    padding: 2px 6px !important;
    font-size: 9px !important;
    margin-right: 4px !important;
  }
  
  .user-pill {
    padding: 4px !important;
    border-radius: 50% !important;
    gap: 0 !important;
    width: 28px !important;
    height: 28px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  
  .user-pill .user-username {
    display: none !important;
  }
  
  .user-pill .user-avatar-emoji {
    font-size: 11px !important;
  }
}

/* Emoji Picker Panel (WhatsApp-style) */
.emoji-picker-panel {
  position: absolute;
  bottom: 60px;
  right: 60px;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 10px;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 6px;
  box-shadow: 0 8px 32px rgba(0, 240, 255, 0.15);
  z-index: 100;
  max-width: 280px;
}
.emoji-picker-panel.hidden {
  display: none;
}
.emoji-item {
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}
.emoji-item:hover {
  background-color: var(--accent-glow);
}

/* MODERATION & MEMBERS MODAL */
.member-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  margin-bottom: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  gap: 12px;
  transition: all var(--transition-speed) ease;
}
.member-item:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.05);
}
.member-info {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}
.member-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.member-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.member-username {
  font-size: 11px;
  color: var(--text-muted);
}
.member-role {
  font-size: 10px;
  font-weight: bold;
  padding: 2px 6px;
  border-radius: 12px;
  margin-top: 2px;
  align-self: flex-start;
  text-transform: uppercase;
}
.role-owner {
  background: rgba(234, 179, 8, 0.15);
  color: #eab308;
  border: 1px solid rgba(234, 179, 8, 0.3);
}
.role-moderator {
  background: rgba(168, 85, 247, 0.15);
  color: #a855f7;
  border: 1px solid rgba(168, 85, 247, 0.3);
}
.role-member {
  background: rgba(156, 163, 175, 0.15);
  color: #9ca3af;
  border: 1px solid rgba(156, 163, 175, 0.3);
}
.member-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}
.member-action-btn {
  padding: 4px 8px;
  font-size: 10px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  color: #fff;
  background: var(--bg-button);
}
.member-action-btn:hover {
  opacity: 0.9;
}
.member-action-btn.btn-kick-member {
  background: linear-gradient(90deg, #ef4444 0%, #b91c1c 100%);
}
.member-action-btn.btn-promote-member {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: transparent;
}
.member-action-btn.btn-promote-member:hover {
  background: rgba(0, 240, 255, 0.1);
}
.member-action-btn.btn-demote-member {
  border-color: #ef4444;
  color: #ef4444;
  background: transparent;
}
.member-action-btn.btn-demote-member:hover {
  background: rgba(239, 68, 68, 0.1);
}

/* ==========================================================================
   GOOGLE LOGIN & ONE TAP STYLES
   ========================================================================== */
.google-auth-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  margin-bottom: 16px;
}
.btn-google-login {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 12px 16px;
  background: #ffffff;
  color: #1f2937;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
}
.btn-google-login:hover {
  background: #f3f4f6;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 240, 255, 0.25);
  border-color: var(--accent-cyan);
}
.auth-divider {
  display: flex;
  align-items: center;
  width: 100%;
  margin: 16px 0;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px dashed var(--border-color);
}
.auth-divider span {
  padding: 0 12px;
}

/* ==========================================================================
   PINNED MESSAGE BAR
   ========================================================================== */
.pinned-message-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: linear-gradient(90deg, rgba(0, 240, 255, 0.08) 0%, rgba(15, 23, 42, 0.9) 100%);
  border-bottom: 1px solid rgba(0, 240, 255, 0.25);
  font-size: 12px;
  z-index: 15;
  cursor: pointer;
  transition: all 0.2s ease;
}
.pinned-message-bar:hover {
  background: linear-gradient(90deg, rgba(0, 240, 255, 0.15) 0%, rgba(15, 23, 42, 0.95) 100%);
}
.pin-icon {
  font-size: 14px;
}
.pin-info {
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--text-primary);
}
.pin-title {
  color: var(--accent-cyan);
  font-weight: bold;
  margin-right: 6px;
}
.pin-snippet {
  color: var(--text-secondary);
}
.pin-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
.pin-close-btn:hover {
  color: #ef4444;
}

/* ==========================================================================
   EMOJI REACTIONS ON MESSAGES
   ========================================================================== */
.message-wrapper {
  position: relative;
}
.message-wrapper:hover .message-hover-toolbar {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.message-hover-toolbar {
  position: absolute;
  top: -24px;
  right: 12px;
  background: #0f172a;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
  border-radius: 20px;
  padding: 2px 6px;
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(4px);
  transition: all 0.15s ease;
  z-index: 10;
}
.reaction-quick-btn {
  background: transparent;
  border: none;
  font-size: 14px;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 6px;
  transition: transform 0.1s ease;
}
.reaction-quick-btn:hover {
  transform: scale(1.3);
}
.toolbar-action-btn {
  background: transparent;
  border: none;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
}
.toolbar-action-btn:hover {
  color: var(--accent-cyan);
}
.message-reactions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}
.reaction-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2px 6px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.reaction-pill:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.1);
}
.reaction-pill.active-reacted {
  background: rgba(0, 240, 255, 0.18);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}
.reaction-count {
  font-size: 10px;
  font-weight: 700;
  font-family: monospace;
}

/* ==========================================================================
   AUDIO TRANSCRIPTION & SMART REPLIES
   ========================================================================== */
.btn-toggle-transcription {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 6px;
  padding: 3px 8px;
  margin-top: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-toggle-transcription:hover {
  background: rgba(0, 240, 255, 0.18);
}
.audio-transcript-box {
  margin-top: 6px;
  padding: 8px 10px;
  background: rgba(0, 0, 0, 0.3);
  border-left: 2px solid var(--accent-cyan);
  border-radius: 0 6px 6px 0;
  font-size: 11px;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Open Graph Link Preview Card */
.link-preview-card {
  margin-top: 8px;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-color);
  max-width: 320px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: border-color 0.2s ease;
}
.link-preview-card:hover {
  border-color: var(--accent-cyan);
}
.link-preview-img {
  width: 100%;
  height: 130px;
  object-fit: cover;
  background: #090e17;
}
.link-preview-details {
  padding: 8px 10px;
}
.link-preview-site {
  font-size: 9px;
  color: var(--accent-cyan);
  text-transform: uppercase;
  font-weight: bold;
}
.link-preview-title {
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  margin: 2px 0 4px;
  line-height: 1.3;
}
.link-preview-desc {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================================================
   MEDIA LIGHTBOX MODAL
   ========================================================================== */
.lightbox-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.94);
  backdrop-filter: blur(10px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.lightbox-overlay.hidden {
  display: none;
}
.lightbox-container {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.lightbox-image {
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 0 40px rgba(0, 240, 255, 0.2);
}
.lightbox-close-btn {
  position: absolute;
  top: -40px;
  right: 0;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  font-size: 24px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}
.lightbox-close-btn:hover {
  background: #ef4444;
}
.lightbox-actions {
  margin-top: 12px;
}
.lightbox-action-btn {
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--border-color);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 8px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}
.lightbox-action-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* --- MAGIC WAND POPOVER --- */
.magic-wand-popover {
  position: absolute;
  bottom: 60px;
  left: 10px;
  background: rgba(10, 15, 25, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--accent-cyan);
  border-radius: 12px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 100;
  box-shadow: 0 8px 32px rgba(0, 240, 255, 0.25);
  min-width: 200px;
}
.magic-wand-popover .popover-header {
  font-size: 10px;
  font-weight: 700;
  color: var(--accent-cyan);
  padding: 4px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.tone-option-btn {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 12px;
  text-align: left;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}
.tone-option-btn:hover {
  background: rgba(0, 240, 255, 0.15);
  color: var(--accent-cyan);
}

/* --- EPHEMERAL POPOVER --- */
.ephemeral-popover {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  background: rgba(10, 15, 25, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--accent-cyan);
  border-radius: 10px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 100;
  min-width: 150px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}
.ephemeral-popover .popover-header {
  font-size: 9px;
  font-weight: bold;
  color: var(--accent-cyan);
  padding: 4px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 2px;
}
.ephemeral-opt {
  background: transparent;
  border: none;
  color: #e2e8f0;
  font-size: 11px;
  text-align: left;
  padding: 5px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s;
}
.ephemeral-opt:hover {
  background: rgba(0, 240, 255, 0.15);
  color: var(--accent-cyan);
}

/* --- POLL CARDS --- */
.poll-card-container {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: 12px;
  padding: 12px;
  margin-top: 4px;
  min-width: 240px;
  max-width: 380px;
}
.poll-question {
  font-weight: 700;
  font-size: 13px;
  color: #fff;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.poll-option-row {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 6px;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.2s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.poll-option-row:hover {
  border-color: var(--accent-cyan);
}
.poll-option-row.voted {
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
}
.poll-fill-bar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  background: linear-gradient(90deg, rgba(0, 240, 255, 0.25) 0%, rgba(156, 39, 176, 0.25) 100%);
  z-index: 1;
  transition: width 0.4s ease;
  pointer-events: none;
}
.poll-opt-text {
  position: relative;
  z-index: 2;
  font-size: 12px;
  font-weight: 500;
  color: #fff;
}
.poll-opt-pct {
  position: relative;
  z-index: 2;
  font-size: 11px;
  font-weight: 700;
  font-family: monospace;
  color: var(--accent-cyan);
}
.poll-footer-info {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 6px;
  text-align: right;
}

/* --- REMINDER CHIP --- */
.reminder-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(90deg, rgba(168, 85, 247, 0.15) 0%, rgba(59, 130, 246, 0.15) 100%);
  border: 1px solid rgba(168, 85, 247, 0.4);
  border-radius: 16px;
  padding: 4px 10px;
  font-size: 11px;
  color: #c084fc;
  cursor: pointer;
  margin-top: 6px;
  transition: all 0.2s ease;
  user-select: none;
}
.reminder-chip:hover {
  background: rgba(168, 85, 247, 0.3);
  border-color: #c084fc;
  transform: translateY(-1px);
}

/* --- EPHEMERAL TIMER BADGE ON MESSAGE --- */
.ephemeral-badge {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 9px;
  color: #f59e0b;
  margin-left: 4px;
  font-family: monospace;
}
.ephemeral-badge.expiring-soon {
  color: #ef4444;
}

/* --- WEBRTC CALL OVERLAY --- */
.webrtc-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 5, 8, 0.95);
  backdrop-filter: blur(20px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.webrtc-call-card {
  width: 90%;
  max-width: 600px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--accent-cyan);
  border-radius: 20px;
  box-shadow: 0 0 50px rgba(0, 240, 255, 0.3);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.call-header {
  text-align: center;
  margin-bottom: 16px;
}
.caller-avatar-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.1);
  border: 2px solid var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 8px;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}
.call-status-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.1);
  padding: 2px 10px;
  border-radius: 12px;
  margin-top: 4px;
  display: inline-block;
}
.call-timer {
  display: block;
  font-family: monospace;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}
.video-streams-container {
  width: 100%;
  height: 280px;
  background: #030508;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.remote-video-feed {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.local-video-feed {
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 90px;
  height: 120px;
  border-radius: 8px;
  border: 2px solid var(--accent-cyan);
  object-fit: cover;
  z-index: 10;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.8);
}
.call-controls-bar {
  display: flex;
  gap: 16px;
}
.call-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.call-btn.btn-mute, .call-btn.btn-cam {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}
.call-btn.btn-mute.active, .call-btn.btn-cam.active {
  background: #f59e0b;
}
.call-btn.btn-hangup {
  background: #ef4444;
  color: #fff;
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
}
.call-btn:hover {
  transform: scale(1.1);
}

/* --- INCOMING CALL BANNER --- */
.incoming-call-banner {
  position: fixed;
  top: 20px;
  right: 20px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(16px);
  border: 2px solid var(--accent-cyan);
  border-radius: 14px;
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
  padding: 12px 16px;
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 16px;
}
.incoming-call-info {
  display: flex;
  align-items: center;
  gap: 10px;
}
.call-ringing-icon {
  font-size: 24px;
  animation: ringShake 0.6s infinite ease-in-out;
}
.incoming-call-actions {
  display: flex;
  gap: 8px;
}
.call-accept-btn {
  background: #10b981;
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: bold;
  cursor: pointer;
}
.call-decline-btn {
  background: #ef4444;
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: bold;
  cursor: pointer;
}

@keyframes ringShake {
  0% { transform: rotate(0deg); }
  25% { transform: rotate(-15deg); }
  50% { transform: rotate(15deg); }
  75% { transform: rotate(-10deg); }
  100% { transform: rotate(0deg); }
}