/* ═══════════════════════════════════════════════════════════
   PGP Messenger – WhatsApp-Style Dark Theme
   ═══════════════════════════════════════════════════════════ */

:root {
  --wa-dark: #111b21;
  --wa-dark2: #1f2c34;
  --wa-dark3: #2a3942;
  --wa-green: #00a884;
  --wa-green-light: #25d366;
  --wa-green-dark: #005c4b;
  --wa-blue: #53bdeb;
  --wa-text: #e9edef;
  --wa-text-secondary: #8696a0;
  --wa-bubble-out: #005c4b;
  --wa-bubble-in: #202c33;
  --wa-border: #2a3942;
  --wa-hover: #2a3942;
  --wa-input-bg: #2a3942;
  --wa-header: #1f2c34;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--wa-dark);
  color: var(--wa-text);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

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

/* ── Scrollbar ──────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--wa-dark3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--wa-text-secondary); }

/* ── Auth Screen ────────────────────────────────────── */
.auth-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: linear-gradient(135deg, var(--wa-dark) 0%, #0b141a 100%);
  padding: 20px;
}

.auth-container {
  background: var(--wa-dark2);
  border-radius: 16px;
  padding: 40px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.auth-logo {
  text-align: center;
  margin-bottom: 30px;
}

.auth-logo i {
  font-size: 48px;
  color: var(--wa-green);
  margin-bottom: 12px;
}

.auth-logo h1 {
  font-size: 24px;
  font-weight: 600;
  color: var(--wa-text);
}

.auth-logo p {
  color: var(--wa-text-secondary);
  font-size: 14px;
  margin-top: 6px;
}

.auth-form { display: flex; flex-direction: column; gap: 16px; }

.input-group { position: relative; }

.input-group label {
  display: block;
  font-size: 13px;
  color: var(--wa-green);
  margin-bottom: 6px;
  font-weight: 500;
}

.input-group input {
  width: 100%;
  padding: 12px 16px;
  background: var(--wa-input-bg);
  border: 2px solid transparent;
  border-radius: 8px;
  color: var(--wa-text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}

.input-group input:focus {
  border-color: var(--wa-green);
}

.btn-primary {
  padding: 14px;
  background: var(--wa-green);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary:hover { background: var(--wa-green-light); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
  padding: 12px;
  background: transparent;
  border: 2px solid var(--wa-dark3);
  border-radius: 8px;
  color: var(--wa-text-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

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

.auth-divider {
  text-align: center;
  color: var(--wa-text-secondary);
  font-size: 13px;
  position: relative;
  margin: 4px 0;
}

/* ── Key generation progress ───────────────────────── */
.keygen-progress {
  text-align: center;
  padding: 20px;
}

.keygen-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--wa-dark3);
  border-top: 4px solid var(--wa-green);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

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

/* ── Main Layout ────────────────────────────────────── */
.messenger-layout {
  display: flex;
  height: 100vh;
  width: 100%;
}

/* ── Sidebar ────────────────────────────────────────── */
.sidebar {
  width: 100%;
  max-width: 420px;
  background: var(--wa-dark);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--wa-border);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--wa-header);
  height: 60px;
  min-height: 60px;
}

.sidebar-header .user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.header-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: none;
  border: none;
  color: var(--wa-text-secondary);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  position: relative;
}

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

.badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--wa-green);
  color: white;
  font-size: 10px;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* Search bar */
.search-bar {
  padding: 8px 12px;
  background: var(--wa-header);
}

.search-bar input {
  width: 100%;
  padding: 8px 36px;
  background: var(--wa-input-bg);
  border: none;
  border-radius: 8px;
  color: var(--wa-text);
  font-size: 14px;
  outline: none;
}

.search-bar .search-wrapper {
  position: relative;
}

.search-bar .search-wrapper i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--wa-text-secondary);
  font-size: 14px;
}

/* Conversation list */
.conversation-list {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.conversation-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  cursor: pointer;
  transition: background 0.15s;
  border-bottom: 1px solid rgba(134,150,160,0.08);
}

.conversation-item:hover { background: var(--wa-hover); }
.conversation-item.active { background: var(--wa-dark3); }

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}

.avatar-sm { width: 36px; height: 36px; font-size: 14px; }

.conversation-info {
  flex: 1;
  margin-left: 12px;
  min-width: 0;
}

.conversation-info .name {
  font-size: 16px;
  font-weight: 500;
  color: var(--wa-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.conversation-info .name .time {
  font-size: 12px;
  color: var(--wa-text-secondary);
  font-weight: 400;
}

.conversation-info .last-msg {
  font-size: 13px;
  color: var(--wa-text-secondary);
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.conversation-info .last-msg .text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.unread-badge {
  background: var(--wa-green);
  color: white;
  font-size: 11px;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  margin-left: 8px;
  flex-shrink: 0;
}

/* ── Chat Area ──────────────────────────────────────── */
.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: #0b141a;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23111b21' fill-opacity='0.6'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.chat-header {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  background: var(--wa-header);
  height: 60px;
  min-height: 60px;
  gap: 12px;
}

.chat-header .chat-user-info { flex: 1; }
.chat-header .chat-user-info .name { font-size: 16px; font-weight: 500; }
.chat-header .chat-user-info .status { font-size: 13px; color: var(--wa-text-secondary); }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px 60px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.message-bubble {
  max-width: 65%;
  padding: 8px 12px;
  border-radius: 8px;
  position: relative;
  word-wrap: break-word;
  line-height: 1.4;
  font-size: 14.2px;
}

.message-bubble.sent {
  background: var(--wa-bubble-out);
  align-self: flex-end;
  border-top-right-radius: 0;
}

.message-bubble.received {
  background: var(--wa-bubble-in);
  align-self: flex-start;
  border-top-left-radius: 0;
}

.message-bubble .msg-text { margin-bottom: 2px; }

.message-bubble .msg-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  font-size: 11px;
  color: rgba(255,255,255,0.45);
  margin-top: 2px;
}

.message-bubble .msg-meta .lock-icon { font-size: 9px; }

/* Date separator */
.date-separator {
  text-align: center;
  margin: 12px 0;
}

.date-separator span {
  background: var(--wa-dark3);
  padding: 5px 12px;
  border-radius: 8px;
  font-size: 12px;
  color: var(--wa-text-secondary);
}

/* ── Chat Input ─────────────────────────────────────── */
.chat-input-area {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  gap: 8px;
  background: var(--wa-header);
}

.chat-input-area input {
  flex: 1;
  padding: 10px 16px;
  background: var(--wa-input-bg);
  border: none;
  border-radius: 8px;
  color: var(--wa-text);
  font-size: 15px;
  outline: none;
}

.send-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--wa-green);
  border: none;
  color: white;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
}

.send-btn:hover { background: var(--wa-green-light); transform: scale(1.05); }

/* ── Empty Chat State ───────────────────────────────── */
.empty-chat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--wa-text-secondary);
  text-align: center;
  padding: 40px;
}

.empty-chat i { font-size: 64px; margin-bottom: 20px; color: var(--wa-green); opacity: 0.4; }
.empty-chat h2 { font-size: 28px; font-weight: 300; color: var(--wa-text); margin-bottom: 12px; }
.empty-chat p { font-size: 14px; max-width: 480px; line-height: 1.6; }

/* ── Modal / Panel ──────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 20px;
}

.modal-content {
  background: var(--wa-dark2);
  border-radius: 12px;
  width: 100%;
  max-width: 440px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.modal-header {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  background: var(--wa-header);
  border-radius: 12px 12px 0 0;
  gap: 16px;
}

.modal-header h3 { font-size: 18px; font-weight: 500; flex: 1; }

.modal-header .close-btn {
  background: none;
  border: none;
  color: var(--wa-text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
}

.modal-body { padding: 20px; }

/* ── User search results ────────────────────────────── */
.user-search-item {
  display: flex;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(134,150,160,0.08);
}

.user-search-item .user-info { flex: 1; margin-left: 12px; }
.user-search-item .user-info .name { font-size: 15px; font-weight: 500; }
.user-search-item .user-info .fingerprint { font-size: 11px; color: var(--wa-text-secondary); font-family: monospace; }

.add-friend-btn {
  padding: 6px 14px;
  background: var(--wa-green);
  border: none;
  border-radius: 6px;
  color: white;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.add-friend-btn:hover { background: var(--wa-green-light); }
.add-friend-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Friend request items ───────────────────────────── */
.request-item {
  display: flex;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(134,150,160,0.08);
}

.request-item .req-info { flex: 1; margin-left: 12px; }
.request-item .req-info .name { font-size: 15px; font-weight: 500; }
.request-item .req-info .detail { font-size: 12px; color: var(--wa-text-secondary); }

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

.accept-btn {
  padding: 6px 14px;
  background: var(--wa-green);
  border: none;
  border-radius: 6px;
  color: white;
  font-size: 13px;
  cursor: pointer;
}

.reject-btn {
  padding: 6px 14px;
  background: var(--wa-dark3);
  border: none;
  border-radius: 6px;
  color: var(--wa-text-secondary);
  font-size: 13px;
  cursor: pointer;
}

/* ── Fingerprint display ────────────────────────────── */
.fingerprint-display {
  background: var(--wa-dark);
  border-radius: 8px;
  padding: 12px;
  margin-top: 12px;
  text-align: center;
}

.fingerprint-display .fp-label {
  font-size: 11px;
  color: var(--wa-green);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.fingerprint-display .fp-value {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: var(--wa-text-secondary);
  word-break: break-all;
  line-height: 1.6;
}

/* ── Encryption badge ───────────────────────────────── */
.encryption-notice {
  text-align: center;
  padding: 8px;
  margin: 8px 0;
}

.encryption-notice span {
  background: rgba(0,168,132,0.15);
  color: var(--wa-green);
  padding: 5px 16px;
  border-radius: 8px;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ── Profile panel ──────────────────────────────────── */
.profile-section {
  text-align: center;
  padding: 20px;
}

.profile-section .big-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 600;
  color: white;
}

.profile-section .username { font-size: 20px; font-weight: 500; }
.profile-section .display-name { font-size: 14px; color: var(--wa-text-secondary); margin-top: 4px; }

/* ── Toast notifications ────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s;
  white-space: nowrap;
}

.toast.success { background: var(--wa-green); color: white; }
.toast.error { background: #e74c3c; color: white; }
.toast.info { background: var(--wa-dark3); color: var(--wa-text); }

@keyframes toastIn { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; } }

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { max-width: 100%; }
  .chat-area.hidden-mobile { display: none; }
  .sidebar.hidden-mobile { display: none; }
  .chat-messages { padding: 12px 16px; }
  .message-bubble { max-width: 85%; }
}

@media (min-width: 769px) {
  .sidebar { max-width: 420px; }
  .back-btn-mobile { display: none !important; }
}

/* ── Loading spinner ────────────────────────────────── */
.loading-dots { display: inline-flex; gap: 4px; }
.loading-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--wa-text-secondary);
  animation: dotPulse 1.4s ease-in-out infinite;
}
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dotPulse {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* ═══════════════════════════════════════════════════════════
   NFC LOCK SCREEN
   ═══════════════════════════════════════════════════════════ */

.lock-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: linear-gradient(135deg, #0b141a 0%, var(--wa-dark) 50%, #0d1f2d 100%);
  padding: 20px;
}

.lock-container {
  text-align: center;
  max-width: 400px;
  width: 100%;
}

.lock-icon-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 120px;
  margin-bottom: 28px;
}

.lock-main-icon {
  font-size: 48px;
  color: var(--wa-green);
  z-index: 2;
  position: relative;
}

.nfc-pulse {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 2px solid var(--wa-green);
  opacity: 0;
  animation: nfcPulse 2.5s ease-out infinite;
}

.nfc-pulse::before,
.nfc-pulse::after {
  content: '';
  position: absolute;
  inset: -15px;
  border-radius: 50%;
  border: 2px solid var(--wa-green);
  opacity: 0;
  animation: nfcPulse 2.5s ease-out infinite;
}

.nfc-pulse::before { animation-delay: 0.5s; }
.nfc-pulse::after { animation-delay: 1s; }

@keyframes nfcPulse {
  0% { transform: scale(0.8); opacity: 0.6; }
  100% { transform: scale(1.6); opacity: 0; }
}

.lock-screen h1 {
  font-size: 26px;
  font-weight: 600;
  color: var(--wa-text);
  margin-bottom: 10px;
}

.lock-screen p {
  font-size: 14px;
  color: var(--wa-text-secondary);
  line-height: 1.6;
  margin-bottom: 28px;
}

.lock-info {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(0,168,132,0.08);
  border: 1px solid rgba(0,168,132,0.2);
  border-radius: 12px;
  padding: 14px 16px;
  margin-top: 24px;
  text-align: left;
}

.lock-info i {
  color: var(--wa-green);
  font-size: 18px;
  margin-top: 2px;
  flex-shrink: 0;
}

.lock-info span {
  font-size: 12px;
  color: var(--wa-text-secondary);
  line-height: 1.5;
}

/* ── NFC Scan Button ───────────────────────────────── */
.btn-nfc-scan {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 24px;
  background: linear-gradient(135deg, var(--wa-green) 0%, #00c896 100%);
  border: none;
  border-radius: 12px;
  color: white;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  box-shadow: 0 4px 20px rgba(0,168,132,0.3);
}

.btn-nfc-scan:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,168,132,0.4);
}

.btn-nfc-scan:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-nfc-scan i {
  font-size: 20px;
}

/* NFC Scanning Animation */
.nfc-scanning {
  display: inline-flex;
  animation: nfcScanPulse 1.2s ease-in-out infinite;
}

@keyframes nfcScanPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

/* ═══════════════════════════════════════════════════════════
   SETTINGS PANEL
   ═══════════════════════════════════════════════════════════ */

.settings-section {
  margin-bottom: 8px;
}

.settings-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--wa-green);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.settings-section-title i {
  font-size: 14px;
}

.settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(134,150,160,0.08);
}

.settings-item-info { flex: 1; margin-right: 16px; }

.settings-item-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--wa-text);
  margin-bottom: 3px;
}

.settings-item-desc {
  font-size: 12px;
  color: var(--wa-text-secondary);
  line-height: 1.4;
}

/* Toggle Switch */
.toggle-btn {
  position: relative;
  width: 52px;
  height: 28px;
  border-radius: 14px;
  background: var(--wa-dark3);
  border: none;
  cursor: pointer;
  transition: background 0.3s;
  flex-shrink: 0;
}

.toggle-btn.active {
  background: var(--wa-green);
}

.toggle-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.toggle-slider {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: white;
  transition: transform 0.3s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.toggle-btn.active .toggle-slider {
  transform: translateX(24px);
}

/* Settings Select */
.settings-select {
  padding: 8px 12px;
  background: var(--wa-input-bg);
  border: 1px solid var(--wa-dark3);
  border-radius: 8px;
  color: var(--wa-text);
  font-size: 13px;
  outline: none;
  cursor: pointer;
  flex-shrink: 0;
}

.settings-select option {
  background: var(--wa-dark2);
}

/* NFC Action Buttons */
.btn-nfc-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px;
  background: var(--wa-dark);
  border: 1px solid var(--wa-dark3);
  border-radius: 8px;
  color: var(--wa-text);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-nfc-action:hover {
  border-color: var(--wa-green);
  color: var(--wa-green);
}

.btn-nfc-action.danger:hover {
  border-color: #e74c3c;
  color: #e74c3c;
}

/* NFC Promo Box */
.nfc-promo-box {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: rgba(0,168,132,0.06);
  border: 1px dashed rgba(0,168,132,0.3);
  border-radius: 12px;
  padding: 16px;
  margin-top: 16px;
}

.nfc-promo-box strong {
  display: block;
  font-size: 14px;
  color: var(--wa-text);
  margin-bottom: 4px;
}

.nfc-promo-box p {
  font-size: 12px;
  color: var(--wa-text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* NFC Unsupported Banner */
.nfc-unsupported-banner {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: rgba(231,76,60,0.08);
  border: 1px solid rgba(231,76,60,0.2);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 16px;
}

.nfc-unsupported-banner i {
  color: #e74c3c;
  font-size: 18px;
  margin-top: 2px;
  flex-shrink: 0;
}

.nfc-unsupported-banner strong {
  display: block;
  font-size: 13px;
  color: #e74c3c;
  margin-bottom: 4px;
}

.nfc-unsupported-banner p {
  font-size: 12px;
  color: var(--wa-text-secondary);
  line-height: 1.4;
  margin: 0;
}

/* NFC Write Animation */
.nfc-write-animation {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  margin: 0 auto 8px;
}

.nfc-pulse-lg {
  position: absolute;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 2px solid var(--wa-green);
  animation: nfcPulse 2s ease-out infinite;
}

.nfc-pulse-lg::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 2px solid var(--wa-green);
  animation: nfcPulse 2s ease-out 0.4s infinite;
}

/* NFC Warning Box */
.nfc-warning-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(243,156,18,0.1);
  border: 1px solid rgba(243,156,18,0.3);
  border-radius: 10px;
  padding: 12px 14px;
  margin-top: 16px;
}

.nfc-warning-box i {
  color: #f39c12;
  font-size: 16px;
  flex-shrink: 0;
}

.nfc-warning-box span {
  font-size: 12px;
  color: var(--wa-text-secondary);
  line-height: 1.4;
}

/* NFC Badge Inline */
.nfc-badge-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,168,132,0.12);
  border: 1px solid rgba(0,168,132,0.3);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--wa-green);
}

/* NFC Status Dot in Header */
.nfc-status-dot {
  display: inline-flex;
  align-items: center;
  margin-left: 4px;
}

/* ═══════════════════════════════════════════════════════════
   SETTINGS HUB
   ═══════════════════════════════════════════════════════════ */

.settings-hub {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.settings-hub-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 8px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s;
}

.settings-hub-item:hover {
  background: var(--wa-hover);
}

.settings-hub-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: white;
  flex-shrink: 0;
}

.settings-hub-info {
  flex: 1;
  min-width: 0;
}

.settings-hub-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--wa-text);
}

.settings-hub-desc {
  font-size: 13px;
  color: var(--wa-text-secondary);
  margin-top: 2px;
}

/* ── Contacts in Settings ──────────────────────────── */
.settings-contact-item {
  display: flex;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(134,150,160,0.08);
}

/* ── Password-Reset Method Tabs ────────────────────── */
.reset-method-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 4px;
}

.reset-tab {
  flex: 1;
  padding: 10px 12px;
  background: var(--wa-dark);
  border: 2px solid var(--wa-dark3);
  border-radius: 8px;
  color: var(--wa-text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.reset-tab.active {
  border-color: var(--wa-green);
  color: var(--wa-green);
  background: rgba(0,168,132,0.08);
}

.reset-tab:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.reset-tab:hover:not(:disabled):not(.active) {
  border-color: var(--wa-text-secondary);
  color: var(--wa-text);
}

/* ── Button Link ───────────────────────────────────── */
.btn-link {
  background: none;
  border: none;
  color: var(--wa-green);
  font-size: 14px;
  cursor: pointer;
  padding: 8px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: color 0.2s;
}

.btn-link:hover {
  color: var(--wa-green-light);
  text-decoration: underline;
}

/* ═══════════════════════════════════════════════════════════
   APPEARANCE / COLOR PICKER
   ═══════════════════════════════════════════════════════════ */

.color-picker-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.color-swatch {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.color-swatch:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.color-swatch.active {
  border-color: white;
  box-shadow: 0 0 0 2px var(--wa-dark), 0 0 0 4px white;
}

.color-swatch.active::after {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

/* Bubble color picker */
.bubble-picker-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.bubble-swatch {
  display: flex;
  gap: 3px;
  padding: 6px 10px;
  border: 2px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  background: var(--wa-dark);
  transition: all 0.2s;
}

.bubble-swatch span {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: block;
}

.bubble-swatch:hover {
  border-color: var(--wa-text-secondary);
}

.bubble-swatch.active {
  border-color: var(--wa-green);
  background: rgba(0,168,132,0.08);
}

/* Chat background option */
.bg-option {
  flex: 1;
  padding: 14px 12px;
  background: var(--wa-dark);
  border: 2px solid var(--wa-dark3);
  border-radius: 10px;
  color: var(--wa-text-secondary);
  font-size: 12px;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
}

.bg-option i {
  font-size: 20px;
  display: block;
  margin-bottom: 6px;
}

.bg-option:hover {
  border-color: var(--wa-text-secondary);
  color: var(--wa-text);
}

.bg-option.active {
  border-color: var(--wa-green);
  color: var(--wa-green);
  background: rgba(0,168,132,0.08);
}

/* Font size slider */
.font-size-slider {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--wa-dark3);
  border-radius: 2px;
  outline: none;
}

.font-size-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--wa-green);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.font-size-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--wa-green);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

/* ═══════════════════════════════════════════════════════════
   SIDEBAR FOOTER (Contacts + Add Friend)
   ═══════════════════════════════════════════════════════════ */

.sidebar-footer {
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid var(--wa-border);
  background: var(--wa-header);
  min-height: 52px;
  flex-shrink: 0;
}

.sidebar-footer-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 12px;
  background: none;
  border: none;
  color: var(--wa-text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.sidebar-footer-btn:first-child {
  border-right: 1px solid var(--wa-border);
}

.sidebar-footer-btn:hover {
  background: var(--wa-hover);
  color: var(--wa-green);
}

.sidebar-footer-btn i {
  font-size: 16px;
}

/* ═══════════════════════════════════════════════════════════
   VOICE MESSAGES
   ═══════════════════════════════════════════════════════════ */

/* Voice/Send button toggle */
.voice-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--wa-green);
  border: none;
  color: white;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
}

.voice-btn:hover {
  background: var(--wa-green-light);
  transform: scale(1.05);
}

/* Voice recording bar */
.voice-recording-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 4px 0;
}

.voice-cancel-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(231,76,60,0.15);
  border: none;
  color: #e74c3c;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
}

.voice-cancel-btn:hover {
  background: #e74c3c;
  color: white;
}

.voice-rec-indicator {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
}

.voice-rec-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #e74c3c;
  animation: voiceRecPulse 1s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes voiceRecPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.voice-rec-indicator span {
  font-size: 15px;
  font-weight: 600;
  color: var(--wa-text);
  font-family: 'Courier New', monospace;
  letter-spacing: 1px;
}

.voice-send-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--wa-green);
  border: none;
  color: white;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
}

.voice-send-btn:hover {
  background: var(--wa-green-light);
  transform: scale(1.05);
}

/* Voice message bubble */
.voice-bubble {
  min-width: 220px;
  max-width: 320px;
}

.voice-msg {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
}

.voice-play-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: none;
  color: white;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
}

.voice-play-btn:hover {
  background: rgba(255,255,255,0.25);
  transform: scale(1.1);
}

.voice-waveform {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.voice-progress {
  height: 100%;
  width: 0%;
  background: var(--wa-green);
  border-radius: 3px;
  transition: width 0.1s linear;
}

.voice-dur {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  font-family: 'Courier New', monospace;
  min-width: 32px;
  text-align: right;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .voice-bubble {
    min-width: 180px;
    max-width: 80%;
  }
  .sidebar-footer-btn span { display: none; }
  .sidebar-footer-btn i { font-size: 20px; }
}

/* ═══════════════════════════════════════════════════════════
   ATTACHMENT MENU
   ═══════════════════════════════════════════════════════════ */
.attach-btn {
  background: none;
  border: none;
  color: var(--wa-text-secondary);
  font-size: 20px;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: all 0.2s;
  flex-shrink: 0;
}
.attach-btn:hover { color: var(--wa-green); background: rgba(0,168,132,0.1); }

.attach-menu {
  position: absolute;
  bottom: 100%;
  left: 8px;
  background: var(--wa-dark2);
  border: 1px solid var(--wa-border);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  gap: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  z-index: 100;
  animation: slideUp 0.2s ease-out;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.attach-menu-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 11px;
  color: var(--wa-text-secondary);
  transition: all 0.2s;
}
.attach-menu-item:hover { color: var(--wa-text); }
.attach-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: white;
  transition: transform 0.2s;
}
.attach-menu-item:hover .attach-icon { transform: scale(1.1); }

/* ═══════════════════════════════════════════════════════════
   IMAGE & FILE MESSAGE BUBBLES
   ═══════════════════════════════════════════════════════════ */
.image-bubble {
  padding: 4px !important;
  max-width: 320px;
}
.msg-image {
  border-radius: 8px;
  max-width: 100%;
  max-height: 300px;
  object-fit: contain;
  cursor: pointer;
  display: block;
  transition: opacity 0.2s;
}
.msg-image:hover { opacity: 0.9; }

.file-bubble {
  min-width: 240px;
}
.file-msg {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.2s;
}
.file-msg:hover { background: rgba(255,255,255,0.05); }
.file-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(0,168,132,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--wa-green);
  flex-shrink: 0;
}
.file-info { flex: 1; min-width: 0; }
.file-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--wa-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.file-size {
  font-size: 11px;
  color: var(--wa-text-secondary);
}
.file-dl-btn {
  background: none;
  border: none;
  color: var(--wa-green);
  font-size: 16px;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: all 0.2s;
  flex-shrink: 0;
}
.file-dl-btn:hover { background: rgba(0,168,132,0.1); }

/* ═══════════════════════════════════════════════════════════
   FRIEND REQUEST BADGE ANIMATION (Sidebar Footer)
   ═══════════════════════════════════════════════════════════ */
.sidebar-footer-btn.has-requests {
  position: relative;
}
.pulse-badge {
  animation: pulseBadge 2s ease-in-out infinite;
}
@keyframes pulseBadge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}
.sidebar-footer-btn.has-requests i {
  animation: shake 3s ease-in-out infinite;
}
@keyframes shake {
  0%, 100% { transform: rotate(0deg); }
  10%, 30% { transform: rotate(-8deg); }
  20%, 40% { transform: rotate(8deg); }
  50% { transform: rotate(0deg); }
}

@media (max-width: 768px) {
  .image-bubble { max-width: 260px; }
  .file-bubble { min-width: 200px; }
  .attach-menu { left: 4px; gap: 12px; padding: 10px; }
}

/* ═══════════════════════════════════════════════════════════
   EPHEMERAL / SELF-DESTRUCTING MESSAGES
   ═══════════════════════════════════════════════════════════ */
.ephemeral-btn {
  background: none;
  border: none;
  color: var(--wa-text-secondary);
  font-size: 18px;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: all 0.2s;
  flex-shrink: 0;
}
.ephemeral-btn:hover { color: #f39c12; background: rgba(243,156,18,0.1); }
.ephemeral-btn.active { color: #f39c12; animation: ephPulse 2s ease-in-out infinite; }
@keyframes ephPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.ephemeral-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(243,156,18,0.12);
  color: #f39c12;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.2s;
}
.ephemeral-banner:hover { background: rgba(243,156,18,0.2); }

.ephemeral-menu {
  position: absolute;
  bottom: 100%;
  left: 40px;
  background: var(--wa-dark2);
  border: 1px solid var(--wa-border);
  border-radius: 12px;
  padding: 8px;
  min-width: 220px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  z-index: 100;
  animation: slideUp 0.2s ease-out;
}
.ephemeral-menu-title {
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 600;
  color: #f39c12;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--wa-border);
  margin-bottom: 4px;
}
.ephemeral-option {
  padding: 10px 12px;
  font-size: 13px;
  color: var(--wa-text);
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.15s;
  display: flex;
  align-items: center;
  gap: 10px;
}
.ephemeral-option:hover { background: var(--wa-hover); }
.ephemeral-option.active { background: rgba(0,168,132,0.1); color: var(--wa-green); }
.ephemeral-option i { width: 16px; text-align: center; }

/* ═══════════════════════════════════════════════════════════
   BITCOIN WALLET
   ═══════════════════════════════════════════════════════════ */
.wallet-card {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border: 1px solid rgba(247,147,26,0.2);
  border-radius: 16px;
  padding: 20px;
  position: relative;
  overflow: hidden;
}
.wallet-card::before {
  content: '\f379';
  font-family: 'Font Awesome 6 Brands';
  font-weight: 400;
  position: absolute;
  right: -10px;
  top: -10px;
  font-size: 100px;
  color: rgba(247,147,26,0.06);
}
.wallet-balance { text-align: center; position: relative; z-index: 1; }
.wallet-balance-label { font-size: 12px; color: var(--wa-text-secondary); text-transform: uppercase; letter-spacing: 1px; }
.wallet-balance-amount { font-size: 28px; font-weight: 700; color: #f7931a; margin: 8px 0 4px; }
.wallet-balance-fiat { font-size: 13px; color: var(--wa-text-secondary); }

.wallet-address {
  background: var(--wa-dark);
  border-radius: 10px;
  padding: 12px;
  margin-top: 16px;
  position: relative;
  z-index: 1;
}
.wallet-addr-label { font-size: 11px; color: var(--wa-green); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.wallet-addr-value { font-family: 'Courier New', monospace; font-size: 12px; color: var(--wa-text-secondary); word-break: break-all; cursor: pointer; transition: color 0.2s; }
.wallet-addr-value:hover { color: var(--wa-text); }

.wallet-qr-placeholder {
  width: 200px;
  height: 200px;
  margin: 0 auto;
  background: var(--wa-dark);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Transaction items */
.tx-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(134,150,160,0.08);
}
.tx-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--wa-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.tx-info { flex: 1; min-width: 0; }
.tx-label { font-size: 14px; font-weight: 500; color: var(--wa-text); }
.tx-date { font-size: 12px; color: var(--wa-text-secondary); margin-top: 2px; }
.tx-amount { font-size: 14px; font-weight: 600; white-space: nowrap; flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════════
   MESSAGE CONTEXT MENU (Long-Press)
   ═══════════════════════════════════════════════════════════ */
.msg-context-menu {
  position: fixed;
  z-index: 5000;
  background: var(--wa-dark2);
  border: 1px solid var(--wa-border);
  border-radius: 12px;
  padding: 6px;
  min-width: 200px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  animation: ctxMenuIn 0.15s ease-out;
}
@keyframes ctxMenuIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
.ctx-item {
  padding: 12px 14px;
  font-size: 14px;
  color: var(--wa-text);
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.15s;
  display: flex;
  align-items: center;
  gap: 12px;
}
.ctx-item:hover { background: var(--wa-hover); }
.ctx-item i { width: 18px; text-align: center; color: var(--wa-text-secondary); font-size: 14px; }
.ctx-item.ctx-danger { color: #e74c3c; }
.ctx-item.ctx-danger i { color: #e74c3c; }
.ctx-item.ctx-danger:hover { background: rgba(231,76,60,0.1); }

/* Highlight message on long-press */
.message-bubble {
  transition: background 0.15s, box-shadow 0.15s;
  -webkit-user-select: none;
  user-select: none;
}
.message-bubble:active {
  box-shadow: 0 0 0 2px var(--wa-green);
}

/* ═══════════════════════════════════════════════════════════
   MEDIA GRID (in chat info)
   ═══════════════════════════════════════════════════════════ */
.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  border-radius: 8px;
  overflow: hidden;
}
.media-thumb {
  aspect-ratio: 1;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
.media-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s, opacity 0.2s;
}
.media-thumb:hover img { transform: scale(1.05); opacity: 0.85; }

/* Chat user-info clickable area */
.chat-header .chat-user-info {
  transition: opacity 0.15s;
}
.chat-header .chat-user-info:hover {
  opacity: 0.8;
}

@media (max-width: 768px) {
  .msg-context-menu { min-width: 180px; }
  .media-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ═══════════════════════════════════════════════════════════════
   ADMIN PANEL
   ═══════════════════════════════════════════════════════════════ */

.admin-panel {
  display: flex; height: 100vh; width: 100vw;
  background: var(--wa-bg-deep);
  position: fixed; top: 0; left: 0; z-index: 9999;
}

.admin-sidebar {
  width: 260px; background: var(--wa-bg-panel);
  border-right: 1px solid var(--wa-border);
  display: flex; flex-direction: column;
  flex-shrink: 0;
}

.admin-sidebar-header {
  padding: 16px 20px;
  font-size: 18px; font-weight: 700;
  color: #fff;
  border-bottom: 1px solid var(--wa-border);
  display: flex; align-items: center;
  justify-content: space-between;
}

.admin-close-btn {
  background: none; border: none; color: var(--wa-text-secondary);
  font-size: 18px; cursor: pointer; padding: 4px 8px;
  border-radius: 6px; transition: all 0.2s;
}
.admin-close-btn:hover { color: #fff; background: rgba(255,255,255,0.1); }

.admin-nav {
  padding: 8px; flex: 1; overflow-y: auto;
}

.admin-nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: 10px;
  color: var(--wa-text-secondary); cursor: pointer;
  transition: all 0.2s; margin-bottom: 2px;
  font-size: 14px;
}
.admin-nav-item:hover { background: rgba(255,255,255,0.06); color: #fff; }
.admin-nav-item.active {
  background: linear-gradient(135deg, var(--wa-green), #075E54);
  color: #fff; font-weight: 600;
  box-shadow: 0 2px 8px rgba(0,168,132,0.25);
}
.admin-nav-item i { width: 20px; text-align: center; font-size: 15px; }

.admin-content {
  flex: 1; overflow-y: auto; padding: 24px;
  background: var(--wa-bg-deep);
}

.admin-loading {
  display: flex; justify-content: center; align-items: center;
  padding: 60px 0;
}

.admin-error {
  text-align: center; padding: 32px; color: #e74c3c;
  font-size: 14px;
}

.admin-page-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 20px; flex-wrap: wrap; gap: 12px;
}
.admin-page-header h2 {
  font-size: 22px; font-weight: 700; color: #fff;
  display: flex; align-items: center; gap: 10px;
}
.admin-page-header h2 i { color: var(--wa-green); }
.admin-page-header p { color: var(--wa-text-secondary); font-size: 13px; margin-top: 4px; }

.admin-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--wa-bg-panel); border-radius: 10px;
  padding: 8px 14px; border: 1px solid var(--wa-border);
  min-width: 200px;
}
.admin-search i { color: var(--wa-text-secondary); font-size: 13px; }
.admin-search input {
  background: none; border: none; color: #fff;
  font-size: 13px; outline: none; width: 100%;
}

/* ── Stats Grid ── */
.admin-stats-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px; margin-bottom: 20px;
}

.admin-stat-card {
  background: var(--wa-bg-panel); border-radius: 14px;
  padding: 16px; display: flex; align-items: center; gap: 14px;
  border: 1px solid var(--wa-border);
  transition: transform 0.15s, box-shadow 0.15s;
}
.admin-stat-card:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.3); }

.stat-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: #fff;
}
.stat-blue .stat-icon { background: linear-gradient(135deg, #3498db, #2980b9); }
.stat-green .stat-icon { background: linear-gradient(135deg, #00a884, #075E54); }
.stat-purple .stat-icon { background: linear-gradient(135deg, #9b59b6, #8e44ad); }
.stat-orange .stat-icon { background: linear-gradient(135deg, #e67e22, #d35400); }
.stat-cyan .stat-icon { background: linear-gradient(135deg, #1abc9c, #16a085); }
.stat-yellow .stat-icon { background: linear-gradient(135deg, #f1c40f, #f39c12); }
.stat-btc .stat-icon { background: linear-gradient(135deg, #f7931a, #e8850d); }
.stat-red .stat-icon { background: linear-gradient(135deg, #e74c3c, #c0392b); }

.stat-info { flex: 1; }
.stat-value { font-size: 24px; font-weight: 800; color: #fff; line-height: 1.2; }
.stat-label { font-size: 12px; color: var(--wa-text-secondary); margin-top: 2px; }

/* ── Detail Cards ── */
.admin-detail-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.admin-detail-card {
  background: var(--wa-bg-panel); border-radius: 14px;
  padding: 18px; border: 1px solid var(--wa-border);
}
.admin-detail-card h3 {
  font-size: 15px; font-weight: 600; color: #fff;
  margin-bottom: 12px; display: flex; align-items: center; gap: 8px;
}
.admin-detail-card h3 i { color: var(--wa-green); font-size: 14px; }

.detail-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 13px;
}
.detail-row:last-child { border-bottom: none; }
.detail-row span:first-child { color: var(--wa-text-secondary); }
.detail-row span:last-child { color: #fff; font-weight: 500; }

/* ── Badges ── */
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 6px;
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.3px;
}
.badge-blue { background: rgba(52,152,219,0.2); color: #3498db; }
.badge-green { background: rgba(0,168,132,0.2); color: #00a884; }
.badge-red { background: rgba(231,76,60,0.2); color: #e74c3c; }
.badge-yellow { background: rgba(241,196,15,0.2); color: #f1c40f; }
.badge-orange { background: rgba(230,126,34,0.2); color: #e67e22; }
.badge-purple { background: rgba(155,89,182,0.2); color: #9b59b6; }
.badge-gray { background: rgba(255,255,255,0.08); color: var(--wa-text-secondary); }
.badge-btc { background: rgba(247,147,26,0.2); color: #f7931a; }

/* ── Tables ── */
.admin-table-wrap {
  overflow-x: auto; border-radius: 12px;
  border: 1px solid var(--wa-border);
  background: var(--wa-bg-panel);
}

.admin-table {
  width: 100%; border-collapse: collapse;
  font-size: 13px; white-space: nowrap;
}
.admin-table thead { background: rgba(255,255,255,0.04); }
.admin-table th {
  padding: 10px 14px; text-align: left;
  color: var(--wa-text-secondary); font-weight: 600;
  font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.5px; border-bottom: 1px solid var(--wa-border);
}
.admin-table td {
  padding: 10px 14px; border-bottom: 1px solid rgba(255,255,255,0.03);
  color: #ddd;
}
.admin-table tbody tr:hover { background: rgba(255,255,255,0.03); }
.admin-table .admin-date { font-size: 11px; color: var(--wa-text-secondary); }
.admin-table .admin-desc { max-width: 200px; overflow: hidden; text-overflow: ellipsis; }
.admin-cell-truncate { max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.admin-user-cell {
  display: flex; align-items: center; gap: 8px;
}
.admin-mini-avatar { width: 28px !important; height: 28px !important; font-size: 11px !important; flex-shrink: 0; }

/* ── Action Buttons ── */
.admin-actions { display: flex; gap: 6px; }
.admin-action-btn {
  width: 30px; height: 30px; border-radius: 8px;
  border: none; background: rgba(255,255,255,0.08);
  color: var(--wa-text-secondary); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; transition: all 0.2s;
}
.admin-action-btn:hover { background: rgba(255,255,255,0.15); color: #fff; }
.admin-action-btn.danger:hover { background: rgba(231,76,60,0.3); color: #e74c3c; }
.admin-action-btn.success:hover { background: rgba(0,168,132,0.3); color: #00a884; }
.admin-action-btn.warn:hover { background: rgba(241,196,15,0.3); color: #f1c40f; }

/* ── Admin Buttons ── */
.admin-btn {
  padding: 8px 16px; border: none; border-radius: 8px;
  font-size: 13px; font-weight: 600; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  transition: all 0.2s;
}
.admin-btn-primary { background: var(--wa-green); color: #fff; }
.admin-btn-primary:hover { background: #00c098; }
.admin-btn-secondary { background: rgba(255,255,255,0.1); color: #fff; }
.admin-btn-secondary:hover { background: rgba(255,255,255,0.18); }
.admin-btn-warn { background: rgba(241,196,15,0.2); color: #f1c40f; }
.admin-btn-warn:hover { background: rgba(241,196,15,0.35); }
.admin-btn-danger { background: rgba(231,76,60,0.2); color: #e74c3c; }
.admin-btn-danger:hover { background: rgba(231,76,60,0.4); }

/* ── Admin Input ── */
.admin-input {
  width: 100%; padding: 10px 14px;
  background: rgba(255,255,255,0.06); border: 1px solid var(--wa-border);
  border-radius: 8px; color: #fff; font-size: 13px;
  resize: vertical; outline: none; transition: border-color 0.2s;
  font-family: inherit;
}
.admin-input:focus { border-color: var(--wa-green); }
.admin-sql-textarea { font-family: 'Courier New', monospace; font-size: 12px; }
.admin-sql-success { color: #00a884; padding: 12px; background: rgba(0,168,132,0.1); border-radius: 8px; font-size: 13px; }
.admin-sql-error { color: #e74c3c; padding: 12px; background: rgba(231,76,60,0.1); border-radius: 8px; font-size: 13px; }

/* ── Database Grid ── */
.admin-db-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px; margin-bottom: 16px;
}

.admin-db-table-card {
  background: var(--wa-bg-panel); border-radius: 12px;
  padding: 16px; border: 1px solid var(--wa-border);
  cursor: pointer; transition: all 0.2s;
}
.admin-db-table-card:hover {
  border-color: var(--wa-green); transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,168,132,0.15);
}
.db-table-header {
  font-size: 15px; font-weight: 700; color: #fff;
  margin-bottom: 8px; display: flex; align-items: center; gap: 8px;
}
.db-table-header i { color: var(--wa-green); }
.db-table-info {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--wa-text-secondary);
  margin-bottom: 10px;
}
.db-table-cols { display: flex; flex-wrap: wrap; gap: 4px; }
.db-col-tag {
  padding: 2px 7px; border-radius: 4px;
  background: rgba(255,255,255,0.06); color: var(--wa-text-secondary);
  font-size: 10px; font-family: monospace;
}

/* ── Logs List ── */
.admin-logs-list { display: flex; flex-direction: column; gap: 6px; }
.admin-log-entry {
  display: flex; gap: 12px; padding: 12px 16px;
  background: var(--wa-bg-panel); border-radius: 10px;
  border: 1px solid var(--wa-border);
}
.admin-log-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  color: var(--wa-green); font-size: 14px; flex-shrink: 0;
}
.admin-log-info { flex: 1; min-width: 0; }
.admin-log-action { font-size: 13px; font-weight: 600; color: #fff; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.admin-log-meta { font-size: 11px; color: var(--wa-text-secondary); margin-top: 2px; }
.admin-log-details { font-size: 11px; color: var(--wa-text-secondary); margin-top: 4px; font-family: monospace; word-break: break-all; }

/* ── Member List in Group Detail ── */
.admin-member-list { max-height: 300px; overflow-y: auto; }
.admin-member-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 12px; border-bottom: 1px solid rgba(255,255,255,0.04);
}
.admin-member-row:last-child { border-bottom: none; }

/* ── Admin User Detail ── */
.admin-user-detail .big-avatar { margin: 0 auto 8px; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .admin-panel { flex-direction: column; }
  .admin-sidebar { width: 100%; flex-direction: row; overflow-x: auto; }
  .admin-sidebar-header { padding: 12px 16px; font-size: 14px; white-space: nowrap; }
  .admin-nav { display: flex; flex-direction: row; padding: 0 8px; gap: 2px; overflow-x: auto; }
  .admin-nav-item { padding: 10px 12px; white-space: nowrap; font-size: 12px; }
  .admin-nav-item span { display: none; }
  .admin-nav-item i { font-size: 18px; }
  .admin-content { padding: 16px; }
  .admin-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-db-grid { grid-template-columns: 1fr; }
  .admin-detail-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════
   CALL OVERLAY
   ═══════════════════════════════════════════════════════════════ */
.call-overlay {
  position: fixed; inset: 0; z-index: 15000;
  background: linear-gradient(180deg, #0b141a 0%, #111b21 50%, #0b141a 100%);
  display: flex; align-items: center; justify-content: center;
}
.call-card {
  text-align: center; padding: 40px 20px;
}
.call-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  margin: 0 auto 20px; display: flex; align-items: center; justify-content: center;
  font-size: 40px; font-weight: 700; color: #fff;
  box-shadow: 0 0 40px rgba(0,168,132,0.3);
  animation: callPulse 2s ease-in-out infinite;
}
@keyframes callPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(0,168,132,0.2); }
  50% { box-shadow: 0 0 60px rgba(0,168,132,0.4); }
}
.call-name { font-size: 24px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.call-status { font-size: 14px; color: var(--wa-text-secondary); margin-bottom: 4px; }
.call-timer { font-size: 18px; color: var(--wa-green); font-family: monospace; }
.call-actions {
  display: flex; gap: 24px; justify-content: center; margin-top: 40px;
}
.call-action-btn {
  width: 56px; height: 56px; border-radius: 50%; border: none;
  font-size: 20px; cursor: pointer; color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.2s;
}
.call-action-btn:hover { transform: scale(1.1); }
.call-mute { background: rgba(255,255,255,0.15); }
.call-end { background: #e74c3c; width: 64px; height: 64px; font-size: 24px; }
.call-speaker { background: rgba(255,255,255,0.15); }

/* ═══════════════════════════════════════════════════════════════
   LANGUAGE PICKER
   ═══════════════════════════════════════════════════════════════ */
.lang-picker-grid {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.lang-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 10px;
  background: var(--wa-dark3); border: 2px solid transparent;
  color: var(--wa-text); cursor: pointer; font-size: 13px;
  transition: all 0.2s;
}
.lang-btn:hover { background: var(--wa-dark2); }
.lang-btn.active { border-color: var(--wa-green); background: rgba(0,168,132,0.15); }
.lang-flag { font-size: 18px; }

/* ═══════════════════════════════════════════════════════════════
   PATTERN PICKER
   ═══════════════════════════════════════════════════════════════ */
.pattern-swatch {
  padding: 6px 12px; border-radius: 8px;
  background: var(--wa-dark3); border: 2px solid transparent;
  color: var(--wa-text); cursor: pointer; font-size: 12px;
  transition: all 0.2s;
}
.pattern-swatch:hover { background: var(--wa-dark2); }
.pattern-swatch.active { border-color: var(--wa-green); background: rgba(0,168,132,0.15); }

/* ═══════════════════════════════════════════════════════════════
   ADMIN ACTION BTN VARIANTS
   ═══════════════════════════════════════════════════════════════ */
.admin-action-btn.warn {
  color: #f39c12;
}
.admin-action-btn.warn:hover {
  background: rgba(243,156,18,0.15);
}

/* ═══════════════════════════════════════════════════════════════
   LANGUAGE DROPDOWN
   ═══════════════════════════════════════════════════════════════ */
.lang-dropdown {
  width: 100%; padding: 10px 14px; border-radius: 10px;
  background: var(--wa-dark3); border: 2px solid var(--wa-border);
  color: var(--wa-text); cursor: pointer; font-size: 14px;
  outline: none; appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23aaa' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
  transition: border-color 0.2s;
}
.lang-dropdown:focus { border-color: var(--wa-green); }
.lang-dropdown option { background: var(--wa-dark2); color: var(--wa-text); padding: 8px; }

/* ═══════════════════════════════════════════════════════════════
   REPLY BAR (Above input area when replying)
   ═══════════════════════════════════════════════════════════════ */
.reply-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; background: var(--wa-dark3);
  border-left: 3px solid var(--wa-green); margin: 0 8px;
  border-radius: 0 8px 8px 0; animation: slideUp 0.2s ease;
}
.reply-bar-content { flex: 1; min-width: 0; }
.reply-bar-name {
  font-size: 12px; font-weight: 600; color: var(--wa-green);
  margin-bottom: 2px;
}
.reply-bar-text {
  font-size: 12px; color: var(--wa-text-secondary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.reply-bar-close {
  background: none; border: none; color: var(--wa-text-secondary);
  cursor: pointer; font-size: 14px; padding: 4px 6px;
  border-radius: 50%; transition: all 0.2s;
}
.reply-bar-close:hover { background: rgba(255,255,255,0.1); color: var(--wa-text); }

/* ═══════════════════════════════════════════════════════════════
   REPLY QUOTE (Inside message bubble)
   ═══════════════════════════════════════════════════════════════ */
.reply-quote {
  background: rgba(0,0,0,0.2); border-left: 3px solid var(--wa-green);
  border-radius: 0 6px 6px 0; padding: 6px 10px; margin-bottom: 6px;
  cursor: pointer; transition: background 0.2s; max-width: 100%;
}
.reply-quote:hover { background: rgba(0,0,0,0.3); }
.reply-quote-name {
  font-size: 11px; font-weight: 600; color: var(--wa-green);
  margin-bottom: 1px;
}
.reply-quote-text {
  font-size: 12px; color: var(--wa-text-secondary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 200px;
}

/* ═══════════════════════════════════════════════════════════════
   FORWARDED LABEL
   ═══════════════════════════════════════════════════════════════ */
.forwarded-label {
  font-size: 11px; color: var(--wa-text-secondary); font-style: italic;
  margin-bottom: 4px; display: flex; align-items: center;
}

/* ═══════════════════════════════════════════════════════════════
   CONTACT CATEGORY ITEMS
   ═══════════════════════════════════════════════════════════════ */
.settings-contact-item {
  display: flex; align-items: center; padding: 10px 12px;
  border-radius: 10px; transition: background 0.2s; margin-bottom: 4px;
}
.settings-contact-item:hover { background: var(--wa-dark3); }

/* ═══════════════════════════════════════════════════════════════
   AVATAR EXTRA SIZES
   ═══════════════════════════════════════════════════════════════ */
.avatar-xs {
  width: 24px !important; height: 24px !important; min-width: 24px;
  font-size: 10px !important; line-height: 24px;
}

/* ═══════════════════════════════════════════════════════════════
   CATEGORY FILTER BUTTONS
   ═══════════════════════════════════════════════════════════════ */
.cat-filter-btn {
  transition: all 0.2s;
  font-family: inherit;
}
.cat-filter-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

/* ═══════════════════════════════════════════════════════════════
   MASS DM MODAL
   ═══════════════════════════════════════════════════════════════ */
.mass-dm-member {
  display: flex; align-items: center; gap: 8px; padding: 4px 0;
}

/* ═══════════════════════════════════════════════════════════════
   SLIDE-UP ANIMATION
   ═══════════════════════════════════════════════════════════════ */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}