:root {
    --bg: #0d0f14; --panel: #161922; --panel-2: #1e2230;
    --accent: #6ee7b7; --accent-2: #818cf8; --danger: #ff6b6b;
    --text: #e8ecf5; --text-muted: #8a90a3; --border: #262b3a;
    --bg-blur: rgba(13,15,20,0.9);
  }
  html[data-theme="light"] {
    --bg: #f4f5f8; --panel: #ffffff; --panel-2: #eef0f5;
    --accent: #10b981; --accent-2: #6366f1; --danger: #e0384d;
    --text: #1a1d29; --text-muted: #6b7280; --border: #e2e5ec;
    --bg-blur: rgba(244,245,248,0.9);
  }
  html[data-theme="light"] body { background: var(--bg); }
  * { box-sizing: border-box; }
  body { margin:0; background:var(--bg); color:var(--text); font-family:'Inter',sans-serif; }
  .app { max-width: 1100px; margin: 0 auto; display: flex; min-height: 100vh; }

  .sidebar { width: 220px; padding: 24px 16px; border-right: 1px solid var(--border); position: sticky; top:0; height: 100vh; }
  .logo { font-family:'Space Grotesk',sans-serif; font-weight:700; font-size: 22px; color: var(--accent); margin-bottom: 30px; }
  .logo-row { display:flex; align-items:center; justify-content:space-between; margin-bottom: 30px; }
  .logo-row .logo { margin-bottom: 0; }
  #theme-toggle { cursor:pointer; font-size:16px; padding:6px; border-radius:8px; }
  #theme-toggle:hover { background: var(--panel-2); }
  .notif-badge { background: var(--danger); color:#fff; font-size:10px; font-weight:700; border-radius:10px;
      padding: 1px 6px; margin-left:auto; }
  .nav-item { display:flex; align-items:center; gap:10px; padding: 10px 12px; border-radius: 10px; cursor: pointer; margin-bottom:4px; color: var(--text-muted); font-weight:500; }
  .nav-item:hover, .nav-item.active { background: var(--panel-2); color: var(--text); }

  .feed { flex: 1; border-right: 1px solid var(--border); min-height: 100vh; }
  .feed-header { padding: 16px 20px; border-bottom: 1px solid var(--border); position: sticky; top:0; background: var(--bg-blur); backdrop-filter: blur(6px); z-index:5; }
  .feed-tabs { display:flex; gap: 6px; }
  .feed-tab { padding: 8px 16px; border-radius: 20px; cursor:pointer; font-size:13px; font-weight:600; color: var(--text-muted); }
  .feed-tab.active { background: var(--accent); color: #0d0f14; }

  .composer { padding: 16px 20px; border-bottom: 1px solid var(--border); }
  .composer textarea { width:100%; background: var(--panel); border:1px solid var(--border); border-radius: 12px;
      padding: 12px; color: var(--text); font-family: 'Inter'; font-size: 14px; resize: none; min-height: 70px; }
  .composer-tags { display:flex; flex-wrap:wrap; gap:6px; margin: 10px 0; }
  .tag-pill { padding: 4px 10px; border-radius: 14px; border:1px solid var(--border); font-size: 11px; cursor:pointer; color: var(--text-muted); }
  .tag-pill.selected { background: var(--accent-2); border-color: var(--accent-2); color:#fff; }
  .composer-actions { display:flex; justify-content:flex-end; }
  .btn { background: var(--accent); color:#0d0f14; border:none; padding: 9px 20px; border-radius: 20px;
        font-weight:700; font-size:13px; cursor:pointer; }
  .btn:disabled { opacity:0.4; cursor:not-allowed; }
  .btn-secondary { background: var(--panel-2); color: var(--text); }

  .post { padding: 16px 20px; border-bottom: 1px solid var(--border); }
  .post-head { display:flex; justify-content:space-between; margin-bottom: 6px; }
  .post-author { font-weight:700; cursor:pointer; }
  .post-author:hover { text-decoration: underline; }
  .post-time { color: var(--text-muted); font-size:12px; }
  .post-content { font-size: 14px; line-height:1.5; margin-bottom: 10px; white-space: pre-wrap; }
  .post-tags { display:flex; gap:6px; flex-wrap:wrap; margin-bottom: 10px; }
  .post-tag { font-size: 11px; color: var(--accent-2); cursor:pointer; }
  .post-actions { display:flex; gap: 24px; }
  .post-action { display:flex; align-items:center; gap:6px; color: var(--text-muted); cursor:pointer; font-size:13px; }
  .post-action.liked { color: var(--danger); }
  .post-action:hover { color: var(--text); }

  .comments-box { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--border); }
  .comment { font-size: 13px; margin-bottom: 8px; }
  .comment b { color: var(--accent-2); }
  .comment-input { display:flex; gap:8px; margin-top: 8px; }
  .comment-input input { flex:1; background: var(--panel); border:1px solid var(--border); border-radius: 20px;
      padding: 8px 14px; color: var(--text); font-size: 13px; }

  .right-panel { width: 280px; padding: 24px 16px; }
  .panel-box { background: var(--panel); border-radius: 14px; padding: 16px; margin-bottom: 16px; }
  .panel-title { font-weight:700; margin-bottom: 12px; font-size: 14px; }
  .tag-list { display:flex; flex-wrap:wrap; gap:6px; }

  .auth-screen { max-width: 380px; margin: 80px auto; padding: 30px; background: var(--panel); border-radius: 16px; }
  .auth-screen h1 { font-family:'Space Grotesk'; color: var(--accent); text-align:center; }
  .auth-screen input { width:100%; background: var(--panel-2); border:1px solid var(--border); border-radius: 10px;
      padding: 12px; color: var(--text); margin-bottom: 12px; font-size:14px; }
  .auth-screen input.input-invalid { border-color: var(--danger); }
  .field-hint { font-size:11px; color: var(--danger); margin-top:-8px; margin-bottom:10px; display:none; }
  .field-hint.visible { display:block; }
  .auth-switch { text-align:center; margin-top: 14px; color: var(--text-muted); font-size:13px; cursor:pointer; }
  .error-msg { color: var(--danger); font-size: 13px; margin-bottom: 10px; }

  .profile-header { padding: 20px; border-bottom:1px solid var(--border); display:flex; gap:16px; align-items:flex-start; position:relative; }
  .profile-stats { display:flex; gap: 20px; margin-top: 10px; font-size:13px; color: var(--text-muted); }
  .profile-stats b { color: var(--text); }
  .hidden { display:none !important; }

  .avatar { width:40px; height:40px; border-radius:50%; object-fit:cover; background:var(--panel-2);
      display:inline-flex; align-items:center; justify-content:center; font-weight:700; color:var(--accent-2); flex-shrink:0; }
  .avatar-sm { width:32px; height:32px; font-size:13px; }
  .avatar-lg { width:112px; height:112px; font-size:36px; border:4px solid var(--panel); box-shadow:0 4px 16px rgba(0,0,0,0.35); }

  /* ---- Карточка профиля целиком (скруглена, с тенью, приподнята над фоном) ---- */
  .profile-card { border-radius:20px; overflow:hidden; border:1px solid var(--border);
      box-shadow:0 8px 30px rgba(0,0,0,0.25); background:var(--panel); }

  /* ---- Обложка (фон) карточки профиля ---- */
  .profile-cover { height:190px; position:relative; background-size:cover; background-position:center; }
  .profile-cover.cover-sunset { background:linear-gradient(135deg,#ff9966,#ff5e62); }
  .profile-cover.cover-ocean { background:linear-gradient(135deg,#2193b0,#6dd5ed); }
  .profile-cover.cover-forest { background:linear-gradient(135deg,#134e5e,#71b280); }
  .profile-cover.cover-violet { background:linear-gradient(135deg,#7f00ff,#e100ff); }
  .profile-cover.cover-midnight { background:linear-gradient(135deg,#0f2027,#203a43,#2c5364); }
  .profile-cover.cover-peach { background:linear-gradient(135deg,#ffecd2,#fcb69f); }
  /* Затемнение снизу обложки — чтобы имя/аватарка были читаемы поверх любой картинки */
  .profile-cover::after { content:''; position:absolute; inset:0; background:linear-gradient(to bottom, rgba(0,0,0,0) 40%, rgba(0,0,0,0.55) 100%); }
  .profile-header { margin-top:-64px; position:relative; z-index:2; }
  .profile-username-row { text-shadow:0 1px 6px rgba(0,0,0,0.5); }

  .interest-pill { display:inline-flex; align-items:center; padding:5px 13px; border-radius:14px;
      background:var(--panel-2); color:var(--text); font-size:12px; font-weight:600; margin-right:6px; margin-top:10px; }
  .interest-pill-pick { padding: 7px 16px; border-radius: 18px; cursor:pointer; font-size:12px; font-weight:600;
      border:1.5px solid var(--border); color: var(--text-muted); display:inline-block; margin:4px 6px 4px 0; transition:.15s; }
  .interest-pill-pick:hover { border-color: var(--accent-2); color: var(--text); }
  .interest-pill-pick.selected { background: var(--accent-2); border-color: var(--accent-2); color:#fff; }
  .cover-swatch { width:38px; height:38px; border-radius:50%; cursor:pointer; display:inline-flex; align-items:center;
      justify-content:center; margin-right:10px; border:3px solid transparent; font-size:16px; color:#fff;
      text-shadow:0 1px 3px rgba(0,0,0,0.5); transition:.15s; }
  .cover-swatch:hover { transform: scale(1.08); }
  .cover-swatch.selected { border-color: var(--text); }
  .profile-edit-panel { padding:20px; border-bottom:1px solid var(--border); background:var(--panel-2); }
  .profile-edit-panel textarea { width:100%; background: var(--panel); border:1px solid var(--border); border-radius: 12px;
      padding: 12px; color: var(--text); font-family: 'Inter'; font-size: 14px; resize: none; min-height: 60px; margin-bottom:12px; }
  .profile-edit-label { font-size:12px; color: var(--text-muted); margin-bottom:6px; font-weight:600; text-transform:uppercase; letter-spacing:.03em; }
  .post-head-left { display:flex; align-items:center; gap:10px; }
  .avatar-upload-label { font-size:12px; color: var(--accent-2); cursor:pointer; margin-top:6px; display:inline-block; }
  .avatar-upload-label input { display:none; }

  .post-delete-btn { color: var(--text-muted); cursor:pointer; font-size:12px; margin-left:auto; }
  .post-delete-btn:hover { color: var(--danger); }
  .post-head { display:flex; justify-content:space-between; align-items:center; margin-bottom: 6px; }

  .privacy-select { background: var(--panel); border:1px solid var(--border); border-radius: 10px;
      padding: 6px 10px; color: var(--text); font-size:12px; margin-left:8px; }

  .search-box { display:flex; gap:6px; margin-bottom: 12px; }
  .search-box input { flex:1; background: var(--panel-2); border:1px solid var(--border); border-radius: 10px;
      padding: 8px 12px; color: var(--text); font-size:13px; }
  .search-results { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }

  /* ---- OAuth / верификация email / восстановление пароля ---- */
  .oauth-buttons { display:flex; gap:8px; margin: 14px 0; }
  .oauth-btn { flex:1; padding:10px; border-radius:10px; border:1px solid var(--border); background:var(--panel-2);
      color:var(--text); cursor:pointer; font-size:13px; text-align:center; }
  .oauth-btn:hover { background: var(--panel); }
  .oauth-divider { text-align:center; color: var(--text-muted); font-size:12px; margin: 10px 0; }
  .auth-links { display:flex; justify-content:space-between; font-size:12px; color:var(--text-muted); margin-top:8px; }
  .auth-links span { cursor:pointer; }
  .auth-links span:hover { color: var(--accent-2); }
  .stub-note { font-size:12px; color: var(--text-muted); background: var(--panel-2); border-radius:10px; padding:10px 12px; margin-top:10px; }

  /* ---- значок верификации ---- */
  .badge-verified { color: var(--accent); margin-left:2px; }

  /* ---- общие элементы для новых разделов ---- */
  .view-header { padding:16px 20px; border-bottom:1px solid var(--border); font-family:'Space Grotesk',sans-serif;
      font-weight:700; font-size:18px; display:flex; justify-content:space-between; align-items:center; }
  .settings-section { padding:20px; border-bottom:1px solid var(--border); }
  .settings-section h3 { font-size:14px; margin-bottom:12px; color: var(--text-muted); }
  .settings-section input { width:100%; max-width:320px; background: var(--panel); border:1px solid var(--border);
      border-radius: 10px; padding: 10px; color: var(--text); margin-bottom: 10px; font-size:13px; display:block; }
  .toggle-row { display:flex; justify-content:space-between; align-items:center; margin-bottom:12px; font-size:13px; max-width:320px; }
  .switch { position:relative; width:40px; height:22px; flex-shrink:0; }
  .switch input { display:none; }
  .slider { position:absolute; inset:0; background:var(--panel-2); border-radius:20px; cursor:pointer; transition:.2s; }
  .slider:before { content:''; position:absolute; width:16px; height:16px; left:3px; top:3px; background:var(--text-muted); border-radius:50%; transition:.2s; }
  .switch input:checked + .slider { background: var(--accent); }
  .switch input:checked + .slider:before { transform: translateX(18px); background:#0d0f14; }

  /* ---- админка ---- */
  .admin-table { width:100%; border-collapse:collapse; font-size:13px; }
  .admin-table th, .admin-table td { text-align:left; padding:10px 20px; border-bottom:1px solid var(--border); }
  .admin-table th { color: var(--text-muted); font-weight:600; font-size:12px; }
  .ban-btn { color:var(--danger); cursor:pointer; font-size:12px; }
  .ban-btn:hover { text-decoration: underline; }

  /* ---- поддержка / форумы / чат — списки ---- */
  .list-item { padding:14px 20px; border-bottom:1px solid var(--border); cursor:pointer; }
  .list-item:hover { background: var(--panel-2); }
  .list-item.unread { background: rgba(129,140,248,0.08); border-left: 3px solid var(--accent-2); }
  .notif-icon { margin-right:8px; }

  /* ---- модалка "кто лайкнул" ---- */
  .modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.6); display:flex; align-items:center;
      justify-content:center; z-index:100; }
  .modal-box { background: var(--panel); border-radius:16px; padding:20px; width:340px; max-height:70vh;
      overflow-y:auto; border:1px solid var(--border); }
  .modal-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:14px; font-weight:700; }
  .modal-close { cursor:pointer; color: var(--text-muted); font-size:18px; }
  .liker-row { display:flex; align-items:center; gap:10px; padding:8px 0; cursor:pointer; }
  .post-view-count { color: var(--text-muted); font-size:13px; display:flex; align-items:center; gap:4px; cursor:default; }
  .list-item-title { font-weight:600; font-size:14px; margin-bottom:4px; }
  .list-item-meta { font-size:12px; color: var(--text-muted); }
  .status-pill { font-size:11px; padding:2px 8px; border-radius:10px; background:var(--panel-2); color:var(--text-muted); }
  .status-pill.open { color: var(--accent); }
  .new-item-form { padding:16px 20px; border-bottom:1px solid var(--border); }
  .new-item-form input, .new-item-form textarea { width:100%; background:var(--panel); border:1px solid var(--border);
      border-radius:10px; padding:10px; color:var(--text); margin-bottom:8px; font-size:13px; }

  /* ---- чат ---- */
  .chat-layout { display:flex; height: calc(100vh - 0px); }
  .chat-list { width: 260px; border-right:1px solid var(--border); overflow-y:auto; }
  .chat-thread { flex:1; display:flex; flex-direction:column; }
  .chat-messages { flex:1; overflow-y:auto; padding:16px 20px; }
  .chat-msg { margin-bottom:10px; font-size:13px; max-width:65%; padding:8px 12px; border-radius:14px; background:var(--panel-2); }
  .chat-msg.mine { background:var(--accent-2); color:#fff; margin-left:auto; }
  .chat-input-row { display:flex; gap:8px; padding:12px 20px; border-top:1px solid var(--border); }
  .chat-input-row input { flex:1; background:var(--panel); border:1px solid var(--border); border-radius:20px; padding:10px 14px; color:var(--text); }

  /* ---- репорт / фото в постах / соавторы ---- */
  .report-btn { color:var(--text-muted); cursor:pointer; font-size:12px; margin-left:14px; }
  .report-btn:hover { color:var(--danger); }
  .post-image { max-width:100%; border-radius:12px; margin-bottom:10px; display:block; }
  .composer-photo-row { display:flex; align-items:center; gap:10px; margin-top:8px; flex-wrap:wrap; }
  .photo-upload-label, .coauthor-toggle-label { font-size:12px; color:var(--accent-2); cursor:pointer; }
  .photo-upload-label input { display:none; }
  .photo-preview-wrap { position:relative; display:inline-block; }
  .photo-preview { max-height:70px; border-radius:8px; display:block; }
  .photo-preview-remove { position:absolute; top:-6px; right:-6px; background:var(--danger); color:#fff; border-radius:50%;
      width:18px; height:18px; font-size:11px; line-height:18px; text-align:center; cursor:pointer; }
  .coauthor-input { width:160px; background:var(--panel); border:1px solid var(--border); border-radius:10px; padding:6px 10px; color:var(--text); font-size:12px; }
  .coauthor-tag-removable { font-size:11px; background: var(--panel-2); border-radius:10px; padding:4px 8px; display:flex; align-items:center; gap:6px; }
  .coauthor-tag-removable .remove-x { cursor:pointer; color: var(--danger); font-weight:700; }
  .coauthor-tag { font-size:11px; background: var(--panel-2); border-radius:10px; padding:3px 8px; }

  /* ---- тренды хештегов ---- */
  .trending-tag { display:flex; justify-content:space-between; font-size:13px; margin-bottom:8px; cursor:pointer; color: var(--text); }
  .trending-tag:hover { color: var(--accent-2); }
  .trending-tag .count { color:var(--text-muted); font-size:11px; }

  /* ---- заглушка для черновиков ---- */
  .draft-indicator { font-size:11px; color: var(--text-muted); margin-top:4px; }

  /* ==================== MOBILE ==================== */
  @media (max-width: 768px) {
    .app { flex-direction: column; max-width: 100%; }

    .sidebar {
      width: 100%; height: auto; position: sticky; top: 0; z-index: 20;
      display: flex; align-items: center; overflow-x: auto; -webkit-overflow-scrolling: touch;
      padding: 10px 8px; border-right: none; border-bottom: 1px solid var(--border);
      background: var(--bg); gap: 2px;
    }
    .sidebar::-webkit-scrollbar { display: none; }
    .logo { display: none; }
    .sidebar .nav-item {
      flex-direction: column; white-space: nowrap; padding: 6px 10px; font-size: 10px;
      margin-bottom: 0; flex-shrink: 0; gap: 2px;
    }

    .feed { border-right: none; min-height: auto; }
    .feed-header { padding: 12px 14px; }
    .composer { padding: 12px 14px; }
    .composer-actions { flex-wrap: wrap; gap: 8px; }
    .composer-actions .privacy-select { margin-left: 0; }
    .post { padding: 14px; }
    .composer-photo-row { gap: 8px; }

    .right-panel { width: 100%; padding: 16px 14px; }

    .auth-screen { max-width: 100%; margin: 24px 16px; padding: 20px; }
    .oauth-buttons { flex-direction: column; }

    .profile-header { padding: 14px; flex-wrap: wrap; }
    .avatar-lg { width: 56px; height: 56px; font-size: 20px; }
    .profile-stats { flex-wrap: wrap; gap: 10px; }

    .view-header { padding: 12px 14px; font-size: 16px; flex-wrap: wrap; gap: 8px; }

    .chat-layout { flex-direction: column; height: auto; }
    .chat-list { width: 100%; max-height: 160px; border-right: none; border-bottom: 1px solid var(--border); }
    .chat-messages { max-height: 45vh; }
    .chat-msg { max-width: 85%; }

    .admin-table { display: block; overflow-x: auto; white-space: nowrap; }
    .settings-section input { max-width: 100%; }
    .toggle-row { max-width: 100%; }

    .new-item-form input, .new-item-form textarea { font-size: 16px; } /* 16px не даёт iOS зумить при фокусе */
    .composer textarea, .auth-screen input, .search-box input { font-size: 16px; }
  }