:root{--bg:#f0f2f5;--card:#fff;--border:#e4e7ec;--text:#0f172a;--text-secondary:#64748b;--text-muted:#94a3b8;--primary:#000;--primary-hover:#1a1a1a;--accent:#1d9bf0;--accent-hover:#1a8cd8;--danger:#ef4444;--success:#22c55e;--warning:#f59e0b;--surface:#f8fafc;--radius:12px;--radius-lg:16px;--radius-xl:20px;--shadow-sm:0 1px 2px rgba(0,0,0,.05);--shadow:0 4px 24px rgba(0,0,0,.06);--shadow-lg:0 20px 60px rgba(0,0,0,.1);color-scheme:light}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}main{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-container{width:min(440px,92vw);text-align:center}.auth-logo{font-size:32px;font-weight:800;letter-spacing:-.5px;margin-bottom:6px}.auth-logo span{color:var(--accent)}.auth-subtitle{color:var(--text-secondary);font-size:15px;margin-bottom:28px}.auth-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:32px;box-shadow:var(--shadow-lg)}.auth-tabs{display:flex;background:var(--surface);border-radius:var(--radius);padding:4px;margin-bottom:24px;gap:4px}.auth-tab{flex:1 1;padding:10px;border:none;background:transparent;border-radius:8px;font-weight:600;font-size:14px;color:var(--text-secondary);cursor:pointer;transition:all .2s;margin:0;width:auto}.auth-tab.active,.auth-tab:hover{color:var(--text)}.auth-tab.active{background:var(--card);box-shadow:var(--shadow-sm)}.auth-form{display:flex;flex-direction:column;gap:4px}label{display:block;font-weight:600;font-size:13px;color:var(--text-secondary);margin-bottom:6px;margin-top:12px;text-align:left}input[type=email],input[type=password],input[type=text]{width:100%;padding:11px 14px;border-radius:var(--radius);border:1.5px solid var(--border);font-size:14px;color:var(--text);background:var(--card);transition:border-color .2s,box-shadow .2s;outline:none}input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(29,155,240,.12)}input::placeholder{color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:var(--radius);border:none;font-weight:600;font-size:14px;cursor:pointer;transition:all .15s ease;text-decoration:none;margin:0;width:auto}.btn-primary{background:var(--primary);color:#fff;width:100%;margin-top:20px}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow)}.btn-x{background:var(--accent);color:#fff;width:100%}.btn-x:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 16px rgba(29,155,240,.3)}.btn-outline{background:transparent;color:var(--text-secondary);border:1.5px solid var(--border)}.btn-outline:hover{background:var(--surface);color:var(--text);border-color:#cbd5e1}.btn-danger-outline{background:transparent;color:var(--danger);border:1.5px solid rgba(239,68,68,.3)}.btn-danger-outline:hover{background:rgba(239,68,68,.05);border-color:var(--danger)}.btn-ghost{background:transparent;color:var(--text-secondary);padding:8px 12px}.btn-ghost:hover{background:var(--surface);color:var(--text)}button{margin-top:16px;width:100%;padding:12px 14px;border-radius:var(--radius);border:none;background:var(--primary);color:#fff;font-weight:600;font-size:14px;cursor:pointer;transition:all .15s}button:hover{transform:translateY(-1px);box-shadow:var(--shadow)}button.secondary{background:var(--surface);color:var(--text);border:1.5px solid var(--border)}button.secondary:hover{background:#eef1f5}.dashboard{width:min(680px,94vw)}.dash-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.dash-header h1{font-size:26px;font-weight:800;letter-spacing:-.3px}.dash-header-actions{display:flex;gap:8px;align-items:center}.user-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:var(--surface);border:1px solid var(--border);border-radius:100px;font-size:13px;color:var(--text-secondary)}.user-badge svg{width:14px;height:14px}.account-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:28px;box-shadow:var(--shadow);margin-bottom:20px}.account-header{display:flex;align-items:center;gap:14px;margin-bottom:20px}.account-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#6366f1);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px;flex-shrink:0}.account-info h3{font-size:16px;font-weight:700;margin-bottom:2px}.account-info p{font-size:13px;color:var(--text-secondary);margin:0}.status-badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:100px}.status-badge.connected{background:rgba(34,197,94,.1);color:#16a34a}.status-badge.disconnected{background:rgba(239,68,68,.1);color:var(--danger)}.status-dot{width:6px;height:6px;border-radius:50%;background:currentColor}.account-meta{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px;padding:16px 0;border-top:1px solid var(--border);margin-top:16px}.meta-item{font-size:12px}.meta-item .meta-label{color:var(--text-muted);font-weight:500;margin-bottom:2px;display:block;font-size:11px;text-transform:uppercase;letter-spacing:.5px}.meta-item .meta-value{color:var(--text);font-weight:600}.account-actions{display:flex;gap:10px;margin-top:16px}.account-actions .btn{flex:1 1}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.section-title{font-size:16px;font-weight:700}.section-count{font-size:13px;color:var(--text-muted);background:var(--surface);padding:4px 10px;border-radius:100px}.accounts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:14px;gap:14px;margin-bottom:24px}.account-card-mini{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-sm);transition:box-shadow .15s}.account-card-mini:hover{box-shadow:var(--shadow)}.account-card-mini-top{display:flex;align-items:center;gap:12px}.account-avatar-sm{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px;flex-shrink:0}.account-card-mini-info{flex:1 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var(--border);border-radius:var(--radius-lg);padding:18px;display:flex;align-items:center;justify-content:center;min-height:100px}.account-card-actions{display:flex;gap:4px;flex-shrink:0}.btn-check{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;margin:0;border-radius:6px;background:transparent;border:1px solid transparent;color:var(--text-muted);cursor:pointer;transition:all .15s;flex-shrink:0}.btn-check:hover{background:rgba(34,197,94,.08);border-color:rgba(34,197,94,.2);color:#16a34a;transform:none;box-shadow:none}.btn-check:disabled{opacity:.5;cursor:not-allowed}.spinner-sm{width:12px;height:12px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}.btn-disconnect{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;margin:0;border-radius:6px;background:transparent;border:1px solid transparent;color:var(--text-muted);cursor:pointer;transition:all .15s;flex-shrink:0}.btn-disconnect:hover{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.2);color:var(--danger);transform:none;box-shadow:none}.disconnect-confirm{display:flex;flex-direction:column;gap:6px;align-items:flex-end}.disconnect-confirm-text{font-size:11px;color:var(--text-secondary);white-space:nowrap}.account-selector{margin-bottom:12px}.account-selector select{width:100%;border-radius:var(--radius);border:1.5px solid var(--border);font-size:14px;font-weight:600;color:var(--text);background:var(--card);cursor:pointer;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%2364748b' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding:10px 32px 10px 12px;transition:border-color .2s}.account-selector select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(29,155,240,.12)}.connect-prompt{background:var(--card);border:2px dashed var(--border);border-radius:var(--radius-xl);padding:48px 28px;text-align:center;margin-bottom:20px}.connect-icon{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#e8f4fd,#dbeafe);display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px}.connect-icon svg{width:28px;height:28px;color:var(--accent)}.connect-prompt h3{font-size:18px;font-weight:700;margin-bottom:6px}.connect-prompt p{color:var(--text-secondary);font-size:14px;margin-bottom:20px;max-width:320px;margin-left:auto;margin-right:auto}.composer{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:24px;box-shadow:var(--shadow);margin-bottom:20px}.composer h2{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}.composer input[type=text],.composer textarea{width:100%;padding:14px;border-radius:var(--radius);border:1.5px solid var(--border);font-size:15px;resize:vertical;min-height:80px;font-family:inherit;transition:border-color .2s,box-shadow .2s;outline:none}.composer input[type=text]:focus,.composer textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(29,155,240,.12)}.composer-footer{display:flex;align-items:center;justify-content:space-between;margin-top:12px}.char-count{font-size:12px;color:var(--text-muted)}.actions-panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:24px;box-shadow:var(--shadow);margin-bottom:20px}.actions-title{font-size:16px;font-weight:700;align-items:center}.actions-grid,.actions-title{margin-bottom:16px;display:flex;gap:8px}.actions-grid{flex-wrap:wrap}.action-chip{padding:8px 14px;margin:0;width:auto;border-radius:100px;border:1.5px solid var(--border);background:var(--card);color:var(--text-secondary);font-size:13px;font-weight:600;cursor:pointer;transition:all .15s}.action-chip:hover{background:var(--surface);border-color:#cbd5e1;color:var(--text);transform:none;box-shadow:none}.action-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.action-chip.active:hover{background:var(--primary-hover);border-color:var(--primary-hover);color:#fff}.actions-row{margin-bottom:12px}.actions-row label{margin-top:0;margin-bottom:6px}.actions-row input[type=text]{width:100%}.actions-select{width:100%;border-radius:var(--radius);border:1.5px solid var(--border);font-size:14px;font-weight:600;color:var(--text);background:var(--card);cursor:pointer;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 12 12' fill='none' 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var(--border)}.post-item{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:16px 24px;transition:background .15s}.post-item:last-child{border-bottom:none}.post-item:hover{background:var(--surface)}.post-text{font-size:14px;color:var(--text);line-height:1.5;flex:1 1}.post-status{font-size:11px;font-weight:600;padding:3px 8px;border-radius:100px;white-space:nowrap;flex-shrink:0}.post-status.sent{background:rgba(34,197,94,.1);color:#16a34a}.post-status.sending{background:rgba(245,158,11,.1);color:#d97706}.post-status.failed{background:rgba(239,68,68,.1);color:var(--danger)}.post-meta{display:flex;align-items:center;gap:8px;margin-top:4px;flex-wrap:wrap}.post-date{font-size:11px;color:var(--text-muted)}.post-link{font-size:11px;color:var(--accent);text-decoration:none;font-weight:600;transition:opacity .15s}.post-link:hover{opacity:.8;text-decoration:underline}.posts-empty{padding:40px 24px;text-align:center;color:var(--text-muted);font-size:14px}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:24px;animation:fadeIn .2s ease}.modal-overlay.hidden{display:none}.modal{background:var(--card);border-radius:var(--radius-xl);padding:32px;width:min(440px,92vw);box-shadow:var(--shadow-lg);animation:slideUp .25s ease;text-align:center}.modal-icon{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,#e8f4fd,#dbeafe);display:inline-flex;align-items:center;justify-content:center;margin-bottom:20px}.modal-icon svg{width:32px;height:32px;color:var(--accent)}.modal h2{font-size:22px;font-weight:800;margin-bottom:8px}.modal p{color:var(--text-secondary);font-size:14px;line-height:1.6;margin-bottom:8px}.modal-features{text-align:left;margin:20px 0;display:flex;flex-direction:column;gap:10px}.modal-feature{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text)}.modal-feature-icon{width:32px;height:32px;border-radius:8px;background:var(--surface);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:16px}.modal-actions{display:flex;flex-direction:column;gap:10px;margin-top:24px}.modal-close{position:relative;background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:13px;margin-top:4px;padding:8px;width:auto}.modal-close:hover{color:var(--text);transform:none;box-shadow:none}.notice{margin-top:14px;padding:10px 14px;background:rgba(239,68,68,.06);border:1px solid rgba(239,68,68,.15);border-radius:var(--radius);font-size:13px;color:var(--danger)}.spinner{width:16px;height:16px;border:2px solid hsla(0,0%,100%,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.row{display:flex;gap:10px}.row button{width:auto;flex:1 1}.link{color:var(--accent);text-decoration:none;font-weight:600}.media-preview{position:relative;margin-top:12px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);max-width:300px}.media-preview img{display:block;width:100%;max-height:200px;object-fit:cover}.media-remove{position:absolute;top:8px;right:8px;width:28px;height:28px;padding:0;margin:0;border-radius:50%;background:rgba(0,0,0,.6);color:#fff;border:none;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1}.media-remove:hover{background:rgba(0,0,0,.8);transform:none;box-shadow:none}.composer-actions-left{display:flex;align-items:center;gap:12px}.composer-media-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;margin:0;width:auto;background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;transition:all .15s}.composer-media-btn:hover{background:#eef1f5;color:var(--text);transform:none;box-shadow:none}.composer-media-btn svg{color:var(--accent)}.post-content{flex:1 1;min-width:0}.post-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.delete-btn{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;padding:0;margin:0;border-radius:6px;background:transparent;border:1px solid transparent;color:var(--text-muted);cursor:pointer;transition:all .15s}.delete-btn:hover{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.2);color:var(--danger);transform:none;box-shadow:none}.delete-confirm{display:flex;align-items:center;gap:6px}.delete-confirm-text{font-size:12px;color:var(--text-secondary);white-space:nowrap}.delete-yes{padding:4px 10px;margin:0;width:auto;font-size:11px;font-weight:600;border-radius:6px;background:var(--danger);color:#fff;border:none;cursor:pointer}.delete-yes:hover{transform:none;box-shadow:none;opacity:.9}.delete-no{padding:4px 10px;margin:0;width:auto;font-size:11px;font-weight:600;border-radius:6px;background:var(--surface);color:var(--text-secondary);border:1px solid var(--border);cursor:pointer}.delete-no:hover{transform:none;box-shadow:none;background:#eef1f5}