*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, system-ui, sans-serif;--font-mono:"SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;--radius:5px;--radius-lg:8px;--transition:.14s ease;--bg-root:#f3f4f6;--bg-panel:#fff;--bg-hover:#f0f4ff;--bg-selected:#e0e9ff;--bg-input:#f9fafb;--bg-overlay:#00000073;--border:#e5e7eb;--border-subtle:#f0f1f3;--text-primary:#111827;--text-secondary:#6b7280;--text-muted:#9ca3af;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-light:#eff6ff;--tag-bg:#eef2ff;--tag-text:#3730a3;--tag-border:#c7d2fe;--msg-unread-bg:#fefce8;--msg-unread-border:#fef08a;--sidebar-bg:#f9fafb;--sidebar-item-hover:#eef2ff;--sidebar-item-active-bg:#dbeafe;--sidebar-item-active-text:#1e40af;--sync-synced:#16a34a;--sync-pending:#d97706;--sync-stale:#dc2626;--compose-header:#1f2937;--focus-ring:0 0 0 2px #fff, 0 0 0 4px var(--accent)}[data-theme=dark]{--bg-root:#0f172a;--bg-panel:#1e293b;--bg-hover:#1e3a5f;--bg-selected:#1e3a8a;--bg-input:#1e293b;--bg-overlay:#000000a6;--border:#334155;--border-subtle:#1e293b;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#3b82f6;--accent-hover:#2563eb;--accent-light:#1e3a5f;--tag-bg:#1e2f5e;--tag-text:#a5b4fc;--tag-border:#312e81;--msg-unread-bg:#422006;--msg-unread-border:#854d0e;--sidebar-bg:#0f172a;--sidebar-item-hover:#1e2f5e;--sidebar-item-active-bg:#1e3a8a;--sidebar-item-active-text:#93c5fd;--sync-synced:#22c55e;--sync-pending:#f59e0b;--sync-stale:#ef4444;--compose-header:#0f172a;--focus-ring:0 0 0 2px #1e293b, 0 0 0 4px var(--accent)}html,body{height:100%;font-family:var(--font-sans);color:var(--text-primary);background:var(--bg-root);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.45;overflow:hidden}:focus-visible{box-shadow:var(--focus-ring);border-radius:var(--radius);outline:none}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app{flex-direction:column;height:100vh;display:flex}.app-header{background:var(--bg-panel);border-bottom:1px solid var(--border);z-index:10;flex:none;justify-content:space-between;align-items:center;gap:12px;height:44px;padding:0 16px;display:flex;box-shadow:0 1px 2px #0000000f}.app-layout{flex:auto;min-height:0;display:flex}.app-footer{background:var(--bg-panel);border-top:1px solid var(--border-subtle);height:24px;color:var(--text-muted);flex-wrap:wrap;flex:none;align-items:center;gap:12px;padding:4px 14px;font-size:11px;display:flex}kbd{font-family:var(--font-mono);color:var(--text-secondary);background:var(--bg-hover);border:1px solid var(--border);border-radius:3px;padding:1px 5px;font-size:10px;line-height:1;display:inline-block}.panel{background:var(--bg-panel);border-right:1px solid var(--border);flex-direction:column;display:flex;overflow:hidden}.panel:last-child{border-right:none}.brand{color:var(--text-primary);-webkit-user-select:none;user-select:none;align-items:center;gap:6px;font-size:15px;font-weight:750;display:flex}.brand-icon{font-size:18px;line-height:1}nav[aria-label]{font-size:inherit}.header-brand{align-items:center;gap:8px;font-size:15px;font-weight:750;display:flex}.header-account-chip{background:var(--tag-bg);color:var(--tag-text);border:1px solid var(--tag-border);white-space:nowrap;text-overflow:ellipsis;border-radius:20px;max-width:200px;padding:2px 8px;font-size:12px;font-weight:500;overflow:hidden}.header-nav{color:var(--text-secondary);align-items:center;gap:6px;font-size:12px;display:flex}.hdr-acc{color:var(--text-primary);font-weight:600}.hdr-sep{color:var(--text-muted)}.hdr-folder{font-weight:500}.hdr-count{color:var(--text-muted);margin-left:4px}.btn{border-radius:var(--radius);cursor:pointer;transition:background var(--transition), border-color var(--transition), color var(--transition), opacity var(--transition);white-space:nowrap;-webkit-user-select:none;user-select:none;border:1px solid #0000;justify-content:center;align-items:center;gap:5px;padding:5px 12px;font-family:inherit;font-size:13px;font-weight:500;line-height:1.4;display:inline-flex}.btn:disabled{opacity:.45;cursor:not-allowed}.btn:focus-visible{box-shadow:var(--focus-ring);outline:none}.btn--primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn--primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.btn--ghost{color:var(--text-secondary);background:0 0;border-color:#0000}.btn--ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary)}.btn--icon{min-width:28px;min-height:28px;padding:4px 6px}.btn--sm{min-height:28px;padding:2px 8px;font-size:12px}.sidebar-left{background:var(--sidebar-bg);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;gap:4px;width:232px;min-width:200px;max-width:280px;padding:10px 8px;display:flex;overflow:hidden auto}.sidebar-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;margin-bottom:4px;padding-bottom:8px;display:flex}.sidebar-actions{gap:2px;display:flex}.sidebar-compose-trigger{width:100%;padding:7px 12px;font-size:13px;font-weight:600}.sidebar-nav{flex:1;padding-right:2px;overflow-y:auto}.account-group{flex-direction:column;display:flex}.account-group-header{border-radius:var(--radius);width:100%;color:var(--text-primary);cursor:pointer;text-align:left;transition:background var(--transition);background:0 0;border:none;align-items:center;gap:7px;padding:5px 7px;font-family:inherit;font-size:13px;font-weight:500;display:flex}.account-group-header:hover{background:var(--sidebar-item-hover)}.account-group-header.active{background:var(--sidebar-item-active-bg);color:var(--sidebar-item-active-text)}.account-group-header:focus-visible{box-shadow:var(--focus-ring)}.account-check{color:var(--text-muted);text-align:center;flex-shrink:0;width:12px;font-size:10px}.account-avatar{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;font-size:10px;font-weight:700;display:flex}.account-name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.account-offline{color:var(--sync-stale);flex-shrink:0;font-size:8px}.folder-list{padding-left:8px;list-style:none}.folder-item{border-radius:var(--radius);width:100%;color:var(--text-secondary);cursor:pointer;text-align:left;transition:background var(--transition), color var(--transition);background:0 0;border:none;align-items:center;gap:6px;padding:3px 7px 3px 8px;font-family:inherit;font-size:12.5px;display:flex}.folder-item:hover{background:var(--sidebar-item-hover);color:var(--text-primary)}.folder-item.active{background:var(--sidebar-item-active-bg);color:var(--sidebar-item-active-text);font-weight:600}.folder-item:focus-visible{box-shadow:var(--focus-ring)}.folder-icon{flex-shrink:0;font-size:13px}.folder-label{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.folder-count{text-align:center;background:var(--border);min-width:18px;color:var(--text-secondary);border-radius:10px;flex-shrink:0;padding:0 5px;font-size:11px;font-weight:700}.folder-item.active .folder-count{background:var(--accent);color:#fff}.sidebar-footer{border-top:1px solid var(--border-subtle);color:var(--text-muted);flex-direction:column;gap:2px;margin-top:auto;padding-top:8px;font-size:11px;display:flex}.message-list{flex-direction:column;flex-shrink:0;width:420px;min-width:320px;max-width:540px;display:flex;position:relative;overflow:hidden}.message-list-header{border-bottom:1px solid var(--border-subtle);color:var(--text-muted);background:var(--bg-panel);flex:none;justify-content:space-between;align-items:center;padding:4px 14px;font-size:11px;display:flex}.mlh-count{color:var(--text-secondary);font-weight:700}.mlh-hint{font-style:italic}.message-list ul[role=presentation]{flex:auto;padding:0;list-style:none;overflow-y:auto}.message-list.empty,.message-list:empty,.panel.empty-full{flex:1;justify-content:center;align-items:center}.empty-state{text-align:center;color:var(--text-muted);padding:32px}.empty-state-icon{margin-bottom:12px;font-size:48px;display:block}.empty-state-hint{margin-top:6px;font-size:11px}.message-row{cursor:pointer;border-bottom:1px solid var(--border-subtle);height:88px;transition:background var(--transition);flex-shrink:0;align-items:flex-start;gap:10px;padding:9px 14px;display:flex;position:relative}.message-row:hover{background:var(--bg-hover)}.message-row.selected{background:var(--bg-selected)}.message-row:focus-visible{background:var(--bg-selected);box-shadow:inset 3px 0 0 var(--accent);z-index:1;outline:none}.message-row.unread{background:var(--msg-unread-bg);border-left:3px solid var(--msg-unread-border);padding-left:11px}.message-row.unread:hover{background:color-mix(in srgb, var(--msg-unread-bg), var(--bg-hover) 60%)}.message-row.unread.selected{background:color-mix(in srgb, var(--msg-unread-bg) 40%, var(--bg-selected) 60%)}.message-row.unread:after{content:"";background:var(--accent);border-radius:50%;width:6px;height:6px;position:absolute;top:14px;left:5px}.msg-avatar{background:var(--border);color:#fff;-webkit-user-select:none;user-select:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:38px;height:38px;margin-top:2px;font-size:11px;font-weight:700;display:flex}.msg-body{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.msg-top-row{justify-content:space-between;align-items:center;gap:8px;height:18px;display:flex}.msg-from{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13px;font-weight:600;overflow:hidden}.msg-date{color:var(--text-muted);flex-shrink:0;font-size:11px}.message-row.unread .msg-from{font-weight:750}.msg-subject-row{align-items:center;gap:6px;height:18px;display:flex}.msg-subject{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:13px;overflow:hidden}.message-row.unread .msg-subject{font-weight:600}.star-btn{cursor:pointer;color:var(--text-muted);transition:color var(--transition);background:0 0;border:none;flex-shrink:0;padding:0 1px;font-size:14px;line-height:1}.star-btn:hover,.star-btn[aria-label*=избранное]{color:#f59e0b}.msg-snippet{color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;font-size:12px;line-height:1.3;overflow:hidden}.msg-tags{flex-wrap:nowrap;align-items:center;gap:4px;height:18px;margin-top:1px;display:flex;overflow:hidden}.msg-tag{font-size:10.5px;font-weight:600;font-family:var(--font-sans);white-space:nowrap;text-overflow:ellipsis;border-radius:10px;flex-shrink:0;max-width:160px;padding:1px 6px;line-height:1.5;display:inline-block;overflow:hidden}.tag-recipient{color:#92400e;background:#fef3c7;border:1px solid #fcd34d}[data-theme=dark] .tag-recipient{color:#fde68a;background:#422006;border-color:#854d0e}.tag-account{background:var(--tag-bg);color:var(--tag-text);border:1px solid var(--tag-border)}[data-theme=dark] .tag-account{background:var(--tag-bg);color:var(--tag-text)}.tag-custom{background:var(--tag-bg);color:var(--tag-text);border:1px solid var(--tag-border)}.tag-provider{align-items:center;padding:2px 8px;font-size:12px;font-weight:700;display:inline-flex}.sync-badge{width:20px;height:20px;transition:background var(--transition), color var(--transition);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:11px;font-weight:800;display:inline-flex}.sync-badge.synced{background:color-mix(in srgb, var(--sync-synced) 15%, transparent);color:var(--sync-synced)}.sync-badge.pending{background:color-mix(in srgb, var(--sync-pending) 15%, transparent);color:var(--sync-pending)}.sync-badge.stale{background:color-mix(in srgb, var(--sync-stale) 15%, transparent);color:var(--sync-stale)}.thread-pane{border-right:none;border-left:1px solid var(--border);flex:auto;min-width:0;overflow-y:auto}.thread-pane.empty{justify-content:center;align-items:center}.thread-toolbar{border-bottom:1px solid var(--border-subtle);background:var(--bg-panel);z-index:2;flex:none;align-items:center;gap:8px;padding:8px 14px;display:flex;position:sticky;top:0}.thread-breadcrumb{color:var(--text-muted);flex:1;align-items:center;gap:6px;font-size:12px;display:flex}.thread-id{font-family:var(--font-mono);font-size:11px}.thread-folder-badge{background:var(--tag-bg);color:var(--tag-text);border:1px solid var(--tag-border);text-transform:capitalize;border-radius:10px;padding:1px 6px;font-size:10.5px;font-weight:600}.thread-meta{border-bottom:1px solid var(--border-subtle);padding:18px 20px}.thread-subject{color:var(--text-primary);word-break:break-word;margin-bottom:14px;font-size:18px;font-weight:700;line-height:1.3}.thread-participants{flex-direction:column;gap:8px;font-size:13px;display:flex}.tp-row{align-items:flex-start;gap:8px;line-height:1.4;display:flex}.tp-label{color:var(--text-secondary);flex-shrink:0;width:130px;padding-top:1px;font-weight:600}.tp-value{word-break:break-all;flex:1;min-width:0}.tp-avatar{color:#fff;vertical-align:middle;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;margin-right:4px;font-size:9px;font-weight:700;display:inline-flex}.tp-avatar-sm{width:16px;height:16px;font-size:8px}.tp-addr{font-family:var(--font-mono);color:var(--text-secondary);word-break:break-all;font-size:12px}.tp-tags{flex-wrap:wrap;gap:4px;display:flex}.thread-divider{border:none;border-top:1px solid var(--border-subtle);margin:0 20px}.thread-body{color:var(--text-primary);white-space:pre-wrap;word-break:break-word;outline:none;padding:18px 20px;font-size:14px;line-height:1.65}.thread-body p{margin:0 0 10px}.thread-body p:last-child{margin-bottom:0}.thread-body:focus-visible{background:var(--bg-hover);border-radius:var(--radius)}.dialog-backdrop{z-index:100;background:var(--bg-overlay);justify-content:center;align-items:center;padding:20px;animation:.1s fadeIn;display:flex;position:fixed;inset:0}.compose-dialog{border-radius:var(--radius-lg);flex-direction:column;width:100%;max-width:640px;max-height:90vh;display:flex;overflow:hidden;box-shadow:0 25px 60px #00000040}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.compose-header{background:var(--compose-header);color:#fff;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.compose-title{font-size:14px;font-weight:600}.compose-form{background:var(--bg-panel);flex-direction:column;gap:0;display:flex;overflow-y:auto}.form-field{border-bottom:1px solid var(--border-subtle);flex-direction:column;gap:3px;padding:8px 16px;display:flex}.form-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.4px;font-size:11.5px;font-weight:600}.required{color:var(--sync-stale)}.form-input,.form-select,.form-textarea{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-input);color:var(--text-primary);transition:border-color var(--transition), box-shadow var(--transition);width:100%;padding:6px 10px;font-family:inherit;font-size:13.5px}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);outline:none}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted)}.form-select{appearance:none;cursor:pointer;padding-right:28px}.form-textarea{resize:vertical;min-height:90px;line-height:1.55}.provider-warning{border-radius:var(--radius);background:color-mix(in srgb, var(--sync-pending) 10%, transparent);border:1px solid color-mix(in srgb, var(--sync-pending) 30%, transparent);color:var(--sync-pending);margin:8px 16px;padding:8px 12px;font-size:12.5px;line-height:1.45}.compose-footer{border-top:1px solid var(--border-subtle);background:var(--bg-panel);justify-content:space-between;align-items:center;gap:12px;padding:10px 16px;display:flex}.compose-actions{gap:6px;display:flex}.compose-hint{color:var(--text-muted);font-size:11px}@media (width<=1100px){.message-list{width:340px;min-width:280px}.tp-label{width:110px}}@media (width<=800px){.sidebar-left{width:180px;min-width:160px;padding:8px 6px}.message-list{display:none}.thread-pane{border-left:none}.header-account-chip{display:none}}@media (width<=520px){.sidebar-left{display:none}.thread-pane{border-left:none}.app-header{gap:6px;padding:0 10px}.header-nav{display:none}}::-webkit-scrollbar{width:7px;height:7px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}