:root {
  --primary: #0066cc;
  --primary-dark: #0052a3;
  --secondary: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --light: #f8fafc;
  --dark: #0f172a;
  --gray: #94a3b8;
  --border: #cbd5e1;
  --card-bg: #ffffff;
  --body-bg: #f1f5f9;
  --text: #1e293b;
  --text-secondary: #64748b;
  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --radius: 12px;
  --transition: all 0.2s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--body-bg);
  margin:0;
  padding:0;
  color:var(--text);
  line-height: 1.6;
}

/* Header */
header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color:white;
  padding:14px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:sticky;
  top:0;
  z-index:1200;
  box-shadow: var(--shadow);
  gap:16px;
}
header .header-left {
  display:flex;
  align-items:center;
  gap:14px;
}
header .logo {
  width:48px; height:48px; background:white; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  overflow:hidden; flex-shrink:0;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
header .logo img { width:100%; height:100%; object-fit:cover; }

header span {
  font-size:20px;
  font-weight:700;
  letter-spacing: 0.5px;
}
header .header-right {
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
header .header-right > * {
  flex-shrink:0;
}
.menu-toggle {
  background:rgba(255,255,255,0.25);
  color:white;
  border:none;
  border-radius:var(--radius);
  padding:8px 12px;
  font-size:18px;
  cursor:pointer;
  display:none;
  align-items:center;
  justify-content:center;
  transition: var(--transition);
  position:relative;
}
.menu-toggle.visible {
  display:inline-flex;
}
.menu-toggle:hover {
  background:rgba(255,255,255,0.35);
  transform:translateY(-1px);
}
.menu-toggle::after {
  display:none;
}
.menu-toggle.has-unread::after {
  display:inline-flex;
  content:attr(data-badge);
  position:absolute;
  top:-6px;
  right:-6px;
  background:var(--danger);
  color:white;
  border-radius:999px;
  font-size:10px;
  font-weight:700;
  padding:2px 5px;
  min-width:16px;
  justify-content:center;
  align-items:center;
  box-shadow:0 4px 8px rgba(239,68,68,0.3);
}

.icon-btn {
  position:relative; font-size:20px; width:40px; height:40px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--text);
}
.icon-btn .badge {
  position:absolute; top:4px; right:6px; background:var(--danger); color:white;
  border-radius:999px; font-size:10px; padding:2px 5px; display:none;
}
.icon-btn .badge.visible { display:inline-block; }

.auth-area { display:flex; align-items:center; gap:10px; }
.auth-login { display:block; }
.user-info {
  display:none;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,0.2);
  padding:8px 12px;
  border-radius:999px;
  box-shadow:0 4px 6px rgba(0,0,0,0.05);
  backdrop-filter:blur(4px);
}
.user-info.visible { display:flex; }
.user-photo {
  width:36px; height:36px; border-radius:50%; object-fit:cover;
  border:2px solid rgba(255,255,255,0.3);
}
.user-details { display:flex; flex-direction:column; line-height:1.2; }
.user-details strong { font-size:14px; font-weight:600; }
.user-username { font-size:12px; color:rgba(255,255,255,0.85); }

.menu-backdrop {
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.5);
  opacity:0;
  pointer-events:none;
  transition:opacity 0.25s ease;
  z-index:1190;
}
.menu-backdrop.visible {
  opacity:1;
  pointer-events:auto;
}
.menu-panel {
  position:fixed;
  top:70px;
  right:20px;
  width:240px;
  background:var(--card-bg);
  color:var(--text);
  border-radius:var(--radius);
  box-shadow: var(--shadow-lg);
  padding:16px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transform:translateY(-10px);
  opacity:0;
  pointer-events:none;
  transition:opacity 0.2s ease, transform 0.2s ease;
  z-index:1201;
}
.menu-panel.open {
  opacity:1;
  pointer-events:all;
  transform:translateY(0);
}
.menu-panel .menu-title {
  font-size:12px;
  font-weight:700;
  color:var(--text-secondary);
  padding:4px 0 12px;
  margin:0;
}
.menu-item {
  display:flex;
  align-items:center;
  gap:12px;
  border:1px solid rgba(148,163,184,0.4);
  border-radius:var(--radius);
  padding:12px 14px;
  background:var(--card-bg);
  color:var(--text);
  cursor:pointer;
  text-align:left;
  font-size:14px;
  font-weight:500;
  transition: var(--transition);
  text-decoration: none;
  width:100%;
  box-sizing:border-box;
}
.menu-item .menu-icon {
  width:38px;
  height:38px;
  border-radius:10px;
  background:rgba(0,102,204,0.08);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  font-size:17px;
  flex-shrink:0;
}
.menu-item .menu-text {
  flex:1;
  min-width:0;
}
.menu-item .menu-title {
  font-size:14px;
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.menu-item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.menu-item:hover:not(.disabled),
.menu-item:focus-visible {
  background:var(--light);
  border-color:var(--primary);
  box-shadow:0 6px 16px rgba(15,23,42,0.06);
  outline:none;
}
.menu-item:hover:not(.disabled) .menu-icon,
.menu-item:focus-visible .menu-icon {
  background:var(--primary);
  color:white;
}
.menu-item.icon-danger:hover {
  background:var(--danger);
}
.menu-item.icon-danger:hover i {
  color:white;
}
.menu-item.icon-danger .menu-icon {
  background:rgba(239,68,68,0.15);
  color:var(--danger);
}
.menu-item.icon-danger:hover {
  border-color:var(--danger);
  color:var(--danger);
}
.menu-item.icon-danger:hover .menu-icon,
.menu-item.icon-danger:focus-visible .menu-icon {
  background:var(--danger);
  color:white;
}
.menu-item.icon-danger:hover .menu-title {
  color:white;
}
.menu-footer {
  padding:16px 0 0;
  margin-top:8px;
  border-top:1px solid var(--border);
  color:var(--text-secondary);
  font-size:12px;
  text-align:center;
}
.chat-overlay {
  position:fixed;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  width:800px;
  max-width:95vw;
  height:80vh;
  max-height:95vh;
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--card-bg);
  box-shadow:var(--shadow-lg);
  z-index:2000;
  display:flex;
  flex-direction:column;
  opacity:0;
  pointer-events:none;
  transition:opacity 0.25s ease;
}
.chat-overlay.visible {
  opacity:1;
  pointer-events:all;
}

.messages-page {
  max-width:1100px;
  margin:24px auto 60px;
  padding:0 18px;
}
.messages-header {
  text-align:center;
  margin-bottom:20px;
}
.messages-header h1 {
  margin:0;
  font-size:28px;
  color:var(--dark);
}
.messages-header p {
  margin:6px 0 0;
  color:var(--text-secondary);
  font-size:15px;
}
.messages-container {
  background:var(--card-bg);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  border:1px solid var(--border);
  overflow:hidden;
}
.messages-container .chat-container {
  height:75vh;
}
.chat-container {
  display:flex;
  height:100%;
  overflow:hidden;
}
.chat-list {
  width:360px;
  max-width:40%;
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
}
.chat-main {
  flex:1;
  display:flex;
  flex-direction:column;
  position:relative;
}
.chat-header {
  padding:16px;
  border-bottom:1px solid var(--border);
  display:flex;
  align-items:center;
  gap:12px;
  justify-content:space-between;
}
.chat-title {
  font-size:16px;
  font-weight:600;
  color:var(--text);
  margin:0;
  flex:1;
}
.chat-header-actions {
  display:flex;
  gap:8px;
}
.chat-header-actions button {
  border:1px solid var(--border);
  border-radius:999px;
  padding:6px 14px;
  font-size:13px;
  background:white;
  cursor:pointer;
}
.chat-header-actions button:hover {
  background:var(--light);
}
.chat-partner {
  font-size:14px;
  color:var(--text-secondary);
  margin:0;
}
.chat-messages {
  flex:1;
  padding:16px;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
  gap:12px;
  background:var(--light);
}
.chat-message {
  max-width:70%;
  padding:10px 14px;
  border-radius:var(--radius);
  font-size:14px;
  line-height:1.4;
  position:relative;
  word-wrap: break-word;
  word-break: break-word;
}
.chat-message.from-me {
  align-self:flex-end;
  background:var(--primary);
  color:white;
  border-bottom-right-radius:2px;
}
.chat-message.from-them {
  align-self:flex-start;
  background:var(--card-bg);
  color:var(--text);
  border:1px solid var(--border);
  border-bottom-left-radius:2px;
}
.chat-message .chat-time,
.chat-message .timestamp {
  font-size:10px;
  opacity:0.7;
  margin-top:4px;
  display:block;
  text-align:right;
}
.chat-message .chat-sender {
  font-size:12px;
  font-weight:600;
  margin-bottom:4px;
  color:var(--text-secondary);
}
.chat-message.from-me .chat-sender {
  color:rgba(255,255,255,0.8);
}
.chat-message.from-them .chat-sender {
  color:var(--text);
}
.chat-input-container {
  padding:16px;
  border-top:1px solid var(--border);
  background:var(--card-bg);
}
.chat-input {
  width:100%;
  padding:12px 16px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  resize:vertical;
  font-family:inherit;
  font-size:14px;
  min-height:40px;
  max-height:120px;
  transition: var(--transition);
}
.chat-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}
.chat-send-btn {
  margin-top:10px;
  width:100%;
  padding:10px;
  background:var(--primary);
  color:white;
  border:none;
  border-radius:var(--radius);
  font-weight:600;
  cursor:pointer;
  transition: var(--transition);
}
.chat-send-btn:hover {
  background:var(--primary-dark);
}
.chat-send-btn:disabled {
  opacity:0.6;
  cursor:not-allowed;
}
.thread-list {
  flex:1;
  overflow-y:auto;
}
.thread-item {
  padding:14px 16px;
  border-bottom:1px solid var(--border);
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:12px;
  transition: var(--transition);
}
.thread-item:hover {
  background:var(--light);
}
.thread-item.active {
  background:var(--primary);
  color: white;
}
.thread-item.active .thread-username, 
.thread-item.active .thread-preview {
  color: white;
}
.thread-empty-state {
  padding:40px 20px;
  text-align:center;
  color:var(--text-secondary);
  font-size:14px;
}
.thread-avatar {
  width:44px; height:44px;
  border-radius:50%;
  object-fit:cover;
  flex-shrink:0;
}
.thread-info {
  flex:1;
  min-width:0;
}
.thread-username {
  font-weight:600;
  color:var(--text);
  margin:0 0 4px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.thread-preview {
  font-size:13px;
  color:var(--text-secondary);
  margin:0;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.thread-meta {
  text-align:right;
  font-size:12px;
  color:var(--text-secondary);
  white-space:nowrap;
}
.thread-unread {
  background:var(--primary);
  color:white;
  border-radius:999px;
  padding:2px 6px;
  font-size:10px;
  font-weight:700;
  align-self:flex-start;
}
.chat-list-header {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:16px;
  border-bottom:1px solid var(--border);
}
.chat-list-header h2 {
  margin:0;
  font-size:16px;
  color:var(--text);
}
.chat-list-header small {
  display:block;
  color:var(--text-secondary);
  font-size:12px;
}
.chat-list-header button {
  border:none;
  background:var(--light);
  color:var(--text);
  padding:6px 12px;
  border-radius:999px;
  cursor:pointer;
  font-size:13px;
  font-weight:600;
}
.chat-list-header button:hover {
  background:var(--primary);
  color:#fff;
}
.thread-search {
  padding:12px 16px;
  border-bottom:1px solid var(--border);
}
.thread-search input {
  width:100%;
  padding:10px 14px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  font-size:14px;
}
.thread-search input:focus {
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(0,102,204,0.1);
}
.chat-back-btn {
  display:none;
  background:var(--border);
  border:none;
  width:36px;
  height:36px;
  border-radius:50%;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  color:var(--text);
  margin-right:10px;
  flex-shrink:0;
}
.chat-back-btn.visible {
  display:flex;
}
.chat-actions {
  margin-left:auto;
  display:flex;
  gap:6px;
}
@media (max-width: 900px) {
  .messages-container .chat-container {
    flex-direction:column;
    height:auto;
  }
  .messages-container .chat-list {
    width:100%;
    max-width:100%;
    border-right:none;
    border-bottom:1px solid var(--border);
  }
  .messages-container .chat-main {
    width:100%;
    min-height:60vh;
  }
  .messages-container.mobile-chat-open .chat-list {
    display:none;
  }
  .messages-container.mobile-chat-open .chat-main {
    min-height:70vh;
  }
  .messages-container.mobile-chat-open .chat-back-btn {
    display:flex;
  }
  .messages-container:not(.mobile-chat-open) .chat-back-btn {
    display:none;
  }
}

@media (min-width: 901px) {
  .chat-back-btn {
    display:none !important;
  }
}
.chat-action-btn {
  background:var(--border);
  border:none;
  width:36px;
  height:36px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  color:var(--text);
  transition: var(--transition);
}
.chat-action-btn:hover {
  background:var(--primary);
  color:white;
}
.messages-empty {
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  text-align:center;
  color:var(--text-secondary);
  gap:8px;
  padding:24px;
}
.messages-empty i {
  font-size:32px;
  color:var(--primary);
}
.search-container {
  max-width:720px; margin:20px auto; padding:0 18px; display: none;
}
.search-box {
  display:flex; gap:10px; margin-bottom: 16px;
}
.search-box input {
  flex:1; padding:12px 16px; border:1px solid var(--border); border-radius:var(--radius); font-size:15px; transition: var(--transition);
}
.search-box button {
  background:var(--primary); color:white; border:none; border-radius:var(--radius); padding:12px 20px; font-size:15px; cursor:pointer; font-weight:600; transition: var(--transition);
}
.search-box button:hover {
  background:var(--primary-dark);
}
.clear-search {
  background:#94a3b8; color:white; border:none; border-radius:var(--radius); padding:12px 16px; font-size:15px; cursor:pointer; font-weight:600; transition: var(--transition);
}
.filter-options {
  display:flex; flex-wrap:wrap; gap:10px; padding:10px 0;
}
.filter-options select {
  padding:8px 12px; border:1px solid var(--border); border-radius:var(--radius); font-size:14px; background:white; min-width:120px;
}

/* Feed & Posts */
.feed { max-width:720px; margin:30px auto 100px; padding:0 20px; display:flex; flex-direction:column; gap:16px; }
.post {
  background:var(--card-bg);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.post:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}
.post-header {
  display:flex;
  align-items:flex-start;
  gap:16px;
  margin-bottom:16px;
  padding-bottom:14px;
  border-bottom:1px solid var(--border);
}
.post-header .avatar img {
  width:56px;
  height:56px;
  border-radius:12px;
  border:2px solid var(--border);
  box-shadow:0 4px 6px rgba(0,0,0,0.05);
}
.post-header .user-info {
  flex:1;
  line-height:1.4;
}
.post-header .user-info h3 {
  margin:0 0 4px;
  font-size:16px;
  font-weight:600;
  color:var(--dark);
}
.post-header .user-info p {
  margin:0;
  font-size:14px;
  color:var(--text-secondary);
}
.post-header .user-info p a {
  color:var(--primary);
  text-decoration:none;
}
.post-header .user-info p a:hover {
  text-decoration:underline;
}
.post-header .meta {
  margin-top:6px;
  font-size:13px;
  color:var(--text-secondary);
}
.post-content {
  font-size:16px;
  line-height:1.6;
  color:var(--text);
  margin:0 0 16px;
  word-wrap: break-word;
  white-space: pre-wrap;
}
.post-tags {
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin:16px 0;
}
.post-tag {
  background:var(--light);
  color:var(--primary);
  border-radius:999px;
  padding:4px 12px;
  font-size:13px;
  font-weight:500;
  text-decoration:none;
}
.post-actions {
  display:flex;
  gap:20px;
  padding-top:16px;
  border-top:1px solid var(--border);
  margin-top:16px;
}
.post-actions button {
  display:flex;
  align-items:center;
  gap:6px;
  background:none;
  border:none;
  padding:6px 8px;
  border-radius:var(--radius);
  font-size:14px;
  color:var(--text-secondary);
  cursor:pointer;
  transition: var(--transition);
  font-weight:500;
}
.post-actions button:hover {
  color:var(--primary);
  background:var(--light);
}
.post-actions button.liked {
  color:var(--danger);
}
.post-actions button.reposted {
  color:var(--success);
}
.post-options {
  margin-left:auto;
  background:none;
  border:none;
  padding:4px;
  border-radius:50%;
  color:var(--text-secondary);
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  transition: var(--transition);
}
.post-options:hover {
  background:var(--light);
  color:var(--text);
}
.post-liked {
  color:var(--danger) !important;
}
.post-reposted {
  color:var(--success) !important;
}
.post-context-menu {
  position: absolute;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 1300;
  padding: 4px;
  min-width: 180px;
}
.post-context-menu button {
  width: 100%;
  text-align: left;
  border: none;
  background: none;
  padding: 8px 12px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text);
  font-size: 14px;
  transition: var(--transition);
}
.post-context-menu button:hover {
  background: var(--light);
}
.post-context-menu button.icon-danger {
  color: var(--danger);
}
.post-context-menu button.icon-danger:hover {
  background: #fee2e2;
}

/* Pagination */
.pagination {
  display:flex;
  justify-content:center;
  align-items:center;
  gap:8px;
  padding:20px;
  margin-top: 20px;
}
.pagination button {
  padding:8px 16px;
  border:1px solid var(--border);
  background:var(--card-bg);
  color:var(--text);
  border-radius:var(--radius);
  cursor:pointer;
  transition: var(--transition);
  font-weight:500;
  min-width:40px;
}
.pagination button:hover:not(:disabled) {
  background:var(--primary);
  color:white;
  border-color:var(--primary);
}
.pagination button:disabled {
  opacity:0.5;
  cursor:not-allowed;
}
.pagination .current {
  background:var(--primary);
  color:white;
  border:1px solid var(--primary);
}

/* Chat notification badge */
.chat-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--danger);
  color: white;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  z-index: 1001;
}

/* Preload overlay */
#preload {
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:var(--body-bg);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  z-index:3000;
  transition: opacity 0.5s ease;
}
#preload.fade-out { opacity:0; pointer-events:none; }
#preload .loader {
  width:48px;
  height:48px;
  border:5px solid rgba(0,102,204,0.2);
  border-top:5px solid var(--primary);
  border-radius:50%;
  animation:spin 1s linear infinite;
  margin-bottom: 20px;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
#preload h2 { color:var(--dark); margin:0 0 8px; }
#preload p { color:var(--text-secondary); margin:0; }

/* Login prompt */
.login-prompt {
  max-width: 900px;
  margin: 50px auto;
  padding: 50px;
  text-align: left;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  display: none;
  flex-direction: column;
  gap: 32px;
}
.login-prompt.visible { display:flex; }
.login-prompt h2,
.login-prompt p { margin:0; }
.login-prompt-hero {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:30px;
  align-items:center;
}
.hero-content .eyebrow {
  text-transform:uppercase;
  letter-spacing:2px;
  font-size:12px;
  color:var(--primary);
  margin:0 0 8px;
  font-weight:700;
}
.hero-content h1 {
  margin:0 0 12px;
  font-size:32px;
  color:var(--dark);
  line-height:1.3;
}
.hero-content p {
  margin:0 0 16px;
  color:var(--text-secondary);
  font-size:15px;
  line-height:1.6;
}
.login-cta { display:flex; flex-direction:column; gap:8px; }
.login-note { color:var(--text-secondary); font-size:12px; }
.tos-wrapper {
  padding:12px 14px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--light);
}
.tos-checkbox {
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  color:var(--text);
}
.tos-checkbox input {
  width:16px;
  height:16px;
  margin-top:2px;
}
.tos-error {
  color:var(--danger);
  font-size:12px;
  margin-top:6px;
  display:none;
}
.tos-error.visible { display:block; }
.link-btn {
  border:none;
  background:none;
  color:var(--primary);
  cursor:pointer;
  font-weight:600;
  padding:0;
}
.link-btn:hover { text-decoration:underline; }
.hero-preview { display:flex; flex-direction:column; gap:14px; }
.preview-card {
  display:flex;
  gap:12px;
  padding:14px;
  border-radius:16px;
  border:1px solid var(--border);
  background:var(--light);
  box-shadow:0 10px 20px rgba(15,23,42,0.08);
}
.preview-card.delay { margin-left:30px; }
.preview-avatar { width:42px; height:42px; border-radius:50%; overflow:hidden; }
.preview-avatar img { width:100%; height:100%; object-fit:cover; }
.preview-body strong { display:block; font-size:14px; margin-bottom:4px; color:var(--dark); }
.preview-body p { margin:0; font-size:13px; color:var(--text-secondary); }
.login-stats {
  display:flex;
  gap:20px;
  justify-content:space-between;
  padding:20px;
  border-radius:var(--radius);
  background:var(--light);
  border:1px dashed var(--border);
}
.login-stats strong { display:block; font-size:22px; color:var(--primary); }
.login-stats span { font-size:13px; color:var(--text-secondary); }
.login-features { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:16px; }
.login-feature {
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:0 10px 20px rgba(15,23,42,0.05);
}
.login-feature i { font-size:18px; color:var(--primary); margin-bottom:6px; }
.login-feature h3 { margin:0 0 6px; font-size:16px; color:var(--dark); }
.login-feature p { margin:0; color:var(--text-secondary); font-size:14px; line-height:1.5; }

.tos-modal {
  max-width:640px;
  width:92vw;
  max-height:80vh;
}
.tos-body {
  max-height:70vh;
  overflow:auto;
  display:flex;
  flex-direction:column;
  gap:18px;
  text-align:left;
}
.tos-body section {
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:14px 16px;
  background:var(--light);
}
.tos-body h3 { margin:0; }
.tos-body h4 { margin:0 0 6px; }
.tos-body p { margin:0; font-size:14px; color:var(--text-secondary); }

/* Modals */
.modal-backdrop {
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.5);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:2500;
}
.modal-backdrop.visible { display:flex; }
.modal-content {
  background:var(--card-bg); border-radius:var(--radius); padding:28px; width:360px;
  box-shadow: var(--shadow-lg); position:relative;
  max-width: 90vw;
}
.modal-close {
  position:absolute; top:14px; right:14px; border:none; background:transparent;
  font-size:24px; cursor:pointer; color:var(--gray);
}
.modal-close:hover {
  color: var(--text);
}
.modal-body { display:flex; flex-direction:column; gap:16px; align-items:center; text-align:center; }
.profile-avatar {
  width:88px; height:88px; border-radius:16px; background-size:cover;
  background-position:center; border:3px solid var(--primary); background-color:var(--light);
}
.profile-meta p { margin:0; font-size:14px; color:var(--text-secondary); }
.modal-actions { display:flex; gap:10px; margin-top:8px; width: 100%; }
.modal-btn {
  flex:1; border:1px solid var(--border);
  border-radius:var(--radius); padding:10px; font-size:14px;
  cursor:pointer; display:inline-flex; align-items:center; justify-content:center;
  background:var(--card-bg); color:var(--text); text-decoration:none;
  transition: var(--transition);
  font-weight: 500;
}
.modal-btn:hover {
  background: var(--light);
  border-color: var(--primary);
  color: var(--primary);
}
.modal-btn.primary { 
  background:var(--primary); 
  color:white;
  border: none;
}
.modal-btn.primary:hover {
  background: var(--primary-dark);
}
.modal-btn:disabled { opacity:0.6; cursor:not-allowed; }
.modal-content.topup { max-width:420px; width:90vw; }
.topup-body { width:100%; align-items:stretch; }
.topup-form { display:flex; flex-direction:column; gap:12px; width:100%; }
.topup-form label { font-size:14px; color:var(--text); text-align:left; font-weight:500; }
.topup-form input { 
  border:1px solid var(--border); 
  border-radius:var(--radius); 
  padding:10px 12px; 
  font-size:15px;
  transition: var(--transition);
}
.topup-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}
.topup-summary { margin:0; font-size:15px; color:var(--text); text-align:left; font-weight:500; }
.topup-result { display:flex; flex-direction:column; gap:14px; align-items:center; margin-top:12px; }
.topup-result img { width:240px; max-width:100%; border-radius:var(--radius); border:1px solid var(--border); }
.topup-result p { margin:0; font-size:14px; color:var(--text-secondary); text-align:center; }
.topup-alert { color:var(--danger); font-size:14px; }

.profile-balance { 
  font-size:15px; 
  color:var(--text); 
  background:var(--light); 
  padding:12px 16px; 
  border-radius:var(--radius); 
  width: 100%;
  margin: 10px 0;
}

.profile-self-actions {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

.thread-context-menu {
  position: absolute;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 1300;
  padding: 4px;
  min-width: 180px;
}
.thread-context-menu button {
  width: 100%;
  text-align: left;
  border: none;
  background: none;
  padding: 8px 12px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text);
  font-size: 14px;
  transition: var(--transition);
}
.thread-context-menu button:hover {
  background: var(--light);
}
.thread-context-menu button.icon-danger {
  color: var(--danger);
}
.thread-context-menu button.icon-danger:hover {
  background: #fee2e2;
}

/* Menfess Form Container */
.menfess-form-container {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.menfess-editor {
  display:flex;
  align-items:flex-start;
  gap:14px;
}
.menfess-avatar {
  width:48px;
  height:48px;
  border-radius:50%;
  background:var(--light);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.menfess-avatar img {
  width:100%;
  height:100%;
  border-radius:50%;
  object-fit:cover;
}
.menfess-editor-body {
  flex:1;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.menfess-editor-body textarea {
  width:100%;
  min-height:110px;
  padding:14px 16px;
  border-radius:18px;
  border:1px solid var(--border);
  font-size:15px;
  font-family:inherit;
  resize:vertical;
  box-shadow:inset 0 1px 3px rgba(15,23,42,0.08);
}
.menfess-editor-body textarea:focus {
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(0,102,204,0.12);
}
.menfess-controls {
  display:flex;
  gap:12px;
  align-items:center;
}
.menfess-controls select {
  flex:1;
  padding:10px 14px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  font-size:14px;
  background:white;
}
.menfess-controls .primary-btn {
  padding:10px 24px;
  border-radius:var(--radius);
  font-size:15px;
  font-weight:600;
}

/* Mobile Responsive Design */
@media (max-width: 768px) {
  .main-container {
    padding: 0 12px !important;
    margin: 10px auto !important;
  }
  .menfess-form-container {
    padding:16px !important;
  }
  .menfess-editor {
    gap:10px;
  }
  .menfess-editor-body textarea {
    min-height:100px !important;
    font-size:14px !important;
  }
  .menfess-controls {
    flex-direction:column;
    align-items:stretch;
  }
  .menfess-controls .primary-btn {
    width:100%;
    text-align:center;
  }
  
  .header-right {
    gap: 8px !important;
  }
  
  .menu-toggle {
    display: inline-flex !important;
  }
  
  .feed {
    padding: 0 12px !important;
    margin: 10px auto 80px auto !important; /* Space for bottom nav */
  }
  
  .post {
    padding: 16px !important;
  }
  
  .post-header {
    gap: 12px !important;
  }
  
  .post-header .avatar img {
    width: 44px !important;
    height: 44px !important;
  }
  
  .post-header .user-info {
    flex: 1 !important;
  }
  
  .post-header .user-info h3 {
    font-size: 15px !important;
  }
  
  .post-header .user-info p {
    font-size: 13px !important;
  }
  
  .post-content {
    font-size: 15px !important;
  }
  
  .post-actions {
    gap: 12px !important;
  }
  
  .post-actions button {
    padding: 6px 10px !important;
    font-size: 13px !important;
  }
  
  .pagination {
    padding: 10px !important;
  }
  
  .pagination button {
    padding: 8px 16px !important;
    font-size: 14px !important;
  }
  
  .chat-overlay {
    width: 100% !important;
    height: 100vh !important;
    top: 0 !important;
    left: 0 !important;
    border-radius: 0 !important;
  }
  
  .chat-container {
    flex-direction: column !important;
  }
  
  .chat-list {
    width: 100% !important;
    height: 40vh !important;
    border-right: none !important;
    border-bottom: 1px solid var(--border) !important;
  }
  
  .chat-main {
    width: 100% !important;
    height: 60vh !important;
  }
  
  footer {
    padding: 16px 0 !important;
  }
}

@media (max-width: 480px) {
  .header {
    padding: 10px 12px !important;
    gap: 8px !important;
  }
  
  .header .logo {
    width: 40px !important;
    height: 40px !important;
  }
  
  .header span {
    font-size: 18px !important;
  }
  
  .menfess-form-container {
    padding: 14px !important;
  }
  
  .menfess-form-container textarea {
    padding: 8px 10px !important;
    font-size: 14px !important;
    min-height: 80px !important;
  }
  
  .post-actions {
    flex-wrap: wrap !important;
    gap: 6px !important;
  }
  
  .post-actions button {
    flex: 1 1 45% !important;
    margin-bottom: 4px !important;
  }
  
  /* Mobile chat improvements */
  .chat-container {
    flex-direction: column !important;
  }
  
  .chat-list {
    width: 100% !important;
    height: auto !important;
    max-height: 200px !important;
    border-right: none !important;
    border-bottom: 1px solid var(--border) !important;
  }
  
  .chat-main {
    width: 100% !important;
    height: auto !important;
    flex: 1 !important;
    max-height: calc(100vh - 300px) !important;
  }
  
  .chat-messages {
    max-height: calc(100vh - 350px) !important;
    overflow-y: auto;
  }
  
  .chat-input {
    min-height: 60px !important;
    padding: 10px 12px !important;
  }
  
  .chat-send-btn {
    margin-top: 10px !important;
    padding: 10px !important;
  }
  
  .thread-item {
    padding: 10px 12px !important;
    align-items: center !important;
  }
  
  .thread-avatar {
    width: 36px !important;
    height: 36px !important;
  }
  
  .thread-info {
    flex: 1 !important;
    min-width: 0 !important;
  }
  
  .thread-username {
    font-size: 14px !important;
    margin: 0 0 2px !important;
  }
  
  .thread-preview {
    font-size: 12px !important;
  }
  
  .thread-meta {
    font-size: 11px !important;
  }
  
  .message {
    max-width: 85% !important;
    padding: 8px 12px !important;
    font-size: 13px !important;
  }
  
  .message .timestamp {
    font-size: 9px !important;
  }
  
  .chat-header {
    padding: 12px !important;
    align-items: center !important;
  }
  
  .chat-title {
    font-size: 15px !important;
  }
  
  .chat-partner {
    font-size: 13px !important;
  }
  
  .chat-actions {
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
  }
  
  .chat-action-btn {
    width: 32px !important;
    height: 32px !important;
    flex-shrink: 0 !important;
  }
  
  .chat-overlay {
    width: 100% !important;
    height: 100vh !important;
    max-height: 100vh !important;
    top: 0 !important;
    left: 0 !important;
    border-radius: 0 !important;
    margin: 0 !important;
  }
  
  .chat-back-btn {
    width: 32px !important;
    height: 32px !important;
  }
  
  .chat-input-container {
    padding: 12px !important;
  }
}

@media (max-width: 768px) {
  .login-prompt {
    padding:30px;
    gap:24px;
    text-align:center;
  }
  .login-prompt-hero {
    grid-template-columns:1fr;
    text-align:center;
  }
  .hero-content .eyebrow { justify-self:center; }
  .hero-content h1 { font-size:26px; }
  .hero-preview { order:-1; }
  .preview-card.delay {
    margin-left:0;
  }
  .login-stats {
    flex-direction:column;
    gap:12px;
    text-align:left;
  }
  .login-features {
    grid-template-columns:1fr;
  }
}

/* Additional styles for profile and privacy pages */
.container {
  max-width: 1000px;
  margin: 30px auto;
  padding: 0 20px 50px;
}

.profile-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px;
  border: 1px solid var(--border);
}

.profile-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.profile-avatar {
  width: 88px;
  height: 88px;
  border-radius: var(--radius);
  object-fit: cover;
  border: 2px solid var(--border);
}

.profile-names {
  flex: 1;
}

#profile-name {
  margin: 0 0 8px;
  font-size: 24px;
  color: var(--dark);
}

.profile-username {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.profile-id {
  font-size: 14px;
  color: var(--gray);
}

.profile-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

.status {
  background: #e0f2fe;
  color: #0e7490;
}

.premium {
  background: #fffbeb;
  color: #b45309;
}

.avatars {
  background: #ede9fe;
  color: #6d28d9;
}

.tab-nav {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.tab-nav button {
  padding: 12px 20px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
}

.tab-nav button.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.profile-sections {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.card h2 {
  margin: 0 0 16px;
  font-size: 18px;
  color: var(--dark);
  font-weight: 600;
}

.card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.card li {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--light);
}

.card li:last-child {
  border-bottom: none;
}

.card li span:first-child {
  color: var(--text-secondary);
}

.transactions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.transaction {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--light);
}

.topup-wrapper {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.topup-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 400px;
}

.topup-form label {
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}

.topup-form input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
}

.topup-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.topup-summary {
  margin: 0;
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
}

.topup-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 10px;
}

.topup-result {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.topup-result img {
  max-width: 240px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.avatar-section {
  margin-top: 20px;
}

.avatar-section h3 {
  margin: 0 0 16px;
  font-size: 16px;
  color: var(--dark);
}

.avatar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
}

.avatar-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
}

.avatar-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.avatar-card.active {
  border-color: var(--primary);
  background-color: #dbeafe;
}

.avatar-card img {
  width: 62px;
  height: 62px;
  border-radius: var(--radius);
  object-fit: cover;
}

.avatar-card span {
  font-size: 12px;
  text-align: center;
  word-break: break-word;
}

.avatar-empty {
  text-align: center;
  color: var(--gray);
  font-size: 14px;
  padding: 20px;
}

.interaction-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.interaction-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.interaction-item h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--dark);
}

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

.empty-state {
  text-align: center;
  color: var(--gray);
  padding: 40px 20px;
  font-style: italic;
}

.error-box {
  max-width: 600px;
  margin: 40px auto;
  padding: 20px;
  text-align: center;
  background: #fee2e2;
  color: #dc2626;
  border-radius: var(--radius);
  border: 1px solid #fecaca;
}

.privacy-container {
  max-width: 800px;
  margin: 30px auto;
  padding: 0 20px 50px;
}

.privacy-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px;
  border: 1px solid var(--border);
}

.privacy-header {
  text-align: center;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.privacy-title {
  font-size: 28px;
  color: var(--dark);
  margin: 0 0 10px;
  font-weight: 700;
}

.privacy-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin: 0;
}

.privacy-section {
  margin-bottom: 30px;
}

.privacy-section-title {
  font-size: 20px;
  color: var(--dark);
  margin: 0 0 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.privacy-content {
  line-height: 1.7;
  color: var(--text);
}

.privacy-content p {
  margin: 0 0 15px;
}

.privacy-content ul {
  padding-left: 25px;
  margin: 15px 0;
}

.privacy-content li {
  margin-bottom: 10px;
}

.last-updated {
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.contact-info {
  background: var(--light);
  border-radius: var(--radius);
  padding: 20px;
  margin: 20px 0;
  border-left: 4px solid var(--primary);
}
@media (max-width: 900px) {
  .messages-container .chat-container {
    height: auto;
  }
}
.tos-wrapper {
  padding:12px 14px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--light);
}
.tos-checkbox {
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  color:var(--text);
}
.tos-checkbox input {
  width:16px;
  height:16px;
  margin-top:2px;
}
.link-btn {
  border:none;
  background:none;
  color:var(--primary);
  cursor:pointer;
  font-weight:600;
  padding:0;
}
.link-btn:hover {
  text-decoration:underline;
}
.toast-stack {
  position: fixed;
  top: 90px;
  right: 20px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 360px;
}
.toast {
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display:flex;
  gap:12px;
  align-items:flex-start;
  animation: toastIn 0.35s ease;
}
.toast-info { border-left:4px solid #3b82f6; }
.toast-info .toast-icon { background:#3b82f61a; color:#1d4ed8; }
.toast-success { border-left:4px solid #10b981; }
.toast-success .toast-icon { background:#10b9811a; color:#047857; }
.toast-error { border-left:4px solid #ef4444; }
.toast-error .toast-icon { background:#ef44441a; color:#b91c1c; }
.toast-warning { border-left:4px solid #f59e0b; }
.toast-warning .toast-icon { background:#f59e0b1a; color:#b45309; }
.toast-icon {
  width:36px;
  height:36px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
}
.toast-body {
  flex:1;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.toast-title {
  font-weight:600;
  font-size:14px;
  color:var(--dark);
}
.toast-message {
  font-size:13px;
  color:var(--text-secondary);
}
.toast-close {
  border:none;
  background:none;
  color:var(--gray);
  cursor:pointer;
  font-size:16px;
}
@keyframes toastIn {
  from { opacity:0; transform:translateY(-10px);}
  to { opacity:1; transform:translateY(0);}
}
@keyframes toastOut {
  from { opacity:1; transform:translateY(0);}
  to { opacity:0; transform:translateY(-10px);}
}