:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-light:#dbeafe;--green:#16a34a;--green-light:#dcfce7;--orange:#ea580c;--orange-light:#fed7aa;--red:#dc2626;--red-light:#fee2e2;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--gray-900:#111827;--sidebar-width:260px;--radius:12px;--shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);--shadow-lg:0 10px 30px rgba(0,0,0,.12)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,sans-serif;color:var(--gray-800);background:var(--gray-50);line-height:1.6}.hidden{display:none!important}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.login-container{display:flex;flex-direction:column;align-items:center;gap:24px}.login-card{background:#fff;padding:48px 40px;border-radius:20px;box-shadow:var(--shadow-lg);text-align:center;max-width:420px;width:100%}.logo h1{font-size:28px;font-weight:700;color:var(--gray-900);margin-bottom:8px}.pro-badge{display:inline-block;background:linear-gradient(135deg,var(--primary),#7c3aed);color:#fff;font-size:12px;font-weight:700;padding:2px 8px;border-radius:6px;margin-left:4px;vertical-align:middle}.login-card h2{font-size:24px;font-weight:600;color:var(--gray-900);margin:24px 0 4px}.subtitle{color:var(--gray-500);font-size:15px;margin-bottom:32px}.google-btn{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:14px 24px;background:#fff;border:2px solid var(--gray-200);border-radius:12px;font-size:16px;font-weight:500;color:var(--gray-700);text-decoration:none;transition:all .2s;cursor:pointer}.google-btn:hover{border-color:var(--gray-300);background:var(--gray-50);box-shadow:var(--shadow)}.terms{margin-top:24px;font-size:13px;color:var(--gray-400)}.terms a{color:var(--primary);text-decoration:none}.footer-text{color:rgba(255,255,255,.7);font-size:13px}.error-msg{background:var(--red-light);color:var(--red);padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:20px}.dashboard-page{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--gray-900);color:#fff;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-logo{padding:24px}.sidebar-logo h1{font-size:20px;font-weight:700;color:#fff}.sidebar-logo .pro-badge{font-size:10px}.sidebar-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:4px}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;color:var(--gray-400);text-decoration:none;border-radius:10px;font-size:15px;font-weight:500;transition:all .15s}.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}.nav-item.active{background:var(--primary);color:#fff}.sidebar-footer{padding:16px 20px;border-top:1px solid rgba(255,255,255,.1)}.user-info{display:flex;align-items:center;gap:12px;margin-bottom:12px}.user-avatar{width:36px;height:36px;border-radius:50%;object-fit:cover}.user-details{display:flex;flex-direction:column;overflow:hidden}.user-name{font-size:14px;font-weight:600;color:#fff}.user-email{font-size:12px;color:var(--gray-400);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.logout-btn{display:block;text-align:center;padding:10px;background:rgba(255,255,255,.08);color:var(--gray-300);border-radius:8px;text-decoration:none;font-size:14px;font-weight:500;transition:all .15s}.logout-btn:hover{background:rgba(220,38,38,.2);color:#fca5a5}.main-content{flex:1;margin-left:var(--sidebar-width);padding:32px 40px;max-width:calc(100% - var(--sidebar-width))}.view{display:none}.view.active{display:block}.view h2{font-size:24px;font-weight:700;color:var(--gray-900);margin-bottom:24px}.view-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.view-header h2{margin-bottom:0}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:32px}.stat-card{background:#fff;padding:24px;border-radius:var(--radius);box-shadow:var(--shadow);display:flex;align-items:center;gap:16px}.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px}.stat-icon.blue{background:var(--primary-light)}.stat-icon.green{background:var(--green-light)}.stat-icon.orange{background:var(--orange-light)}.stat-info{display:flex;flex-direction:column}.stat-value{font-size:28px;font-weight:700;color:var(--gray-900)}.stat-label{font-size:13px;color:var(--gray-500)}.welcome-banner{background:linear-gradient(135deg,var(--primary),#7c3aed);color:#fff;padding:32px;border-radius:var(--radius);box-shadow:var(--shadow-lg)}.welcome-banner h3{font-size:20px;font-weight:600;margin-bottom:8px}.welcome-banner p{font-size:15px;opacity:.9;margin-bottom:20px;max-width:600px}.welcome-banner .btn-primary{background:#fff;color:var(--primary)}.accounts-list{display:flex;flex-direction:column;gap:16px}.account-card{background:#fff;padding:24px;border-radius:var(--radius);box-shadow:var(--shadow);display:flex;justify-content:space-between;align-items:center;transition:box-shadow .2s}.account-card:hover{box-shadow:var(--shadow-lg)}.account-info{display:flex;align-items:center;gap:16px}.account-icon{width:48px;height:48px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:22px}.account-name{font-size:18px;font-weight:600;color:var(--gray-900)}.account-slug{font-size:13px;color:var(--gray-500)}.account-status{display:inline-block;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.status-active{background:var(--green-light);color:var(--green)}.status-inactive{background:var(--gray-100);color:var(--gray-500)}.status-past_due{background:var(--orange-light);color:var(--orange)}.status-cancelled{background:var(--red-light);color:var(--red)}.account-actions{display:flex;gap:8px}.loading{text-align:center;padding:40px;color:var(--gray-400)}.empty-state{text-align:center;padding:60px 20px;color:var(--gray-400)}.empty-state h3{font-size:18px;font-weight:600;color:var(--gray-600);margin-bottom:8px}.tutorial-list{display:flex;flex-direction:column;gap:16px;max-width:800px}.tutorial-item{display:flex;gap:20px;background:#fff;padding:24px;border-radius:var(--radius);box-shadow:var(--shadow)}.tutorial-number{flex-shrink:0;width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700}.tutorial-content h3{font-size:17px;font-weight:600;color:var(--gray-900);margin-bottom:4px}.tutorial-content p{font-size:15px;color:var(--gray-600)}.faq-list{display:flex;flex-direction:column;gap:12px;max-width:800px}.faq-item{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.faq-item summary{padding:20px 24px;font-size:16px;font-weight:600;color:var(--gray-900);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";font-size:24px;color:var(--gray-400);transition:transform .2s}.faq-item[open] summary::after{transform:rotate(45deg)}.faq-item p{padding:0 24px 20px;font-size:15px;color:var(--gray-600)}.btn-primary{display:inline-block;background:var(--primary);color:#fff;border:none;padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;transition:background .15s}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--gray-100);color:var(--gray-700);border:none;padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;transition:background .15s}.btn-secondary:hover{background:var(--gray-200)}.btn-sm{pading:8px 16px;font-size:13px}.btn-subscribe{background:var(--green);color:#fff}.btn-subscribe:hover{background:#15803d}.btn-delete{background:var(--red-light);color:var(--red)}.btn-delete:hover{background:#fecaca}.modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center}.modal-overlay{position:absolute;inset:0;background:rgba(0,0,0,.5)}.modal-card{position:relative;background:#fff;padding:32px;border-radius:16px;box-shadow:var(--shadow-lg);max-width:440px;width:90%}.modal-card h3{font-size:20px;font-weight:700;color:var(--gray-900);margin-bottom:8px}.modal-desc{font-size:14px;color:var(--gray-500);margin-bottom:24px}.modal-card label{display:block;font-size:14px;font-weight:600;color:var(--gray-700);margin-bottom:8px}.modal-card input{width:100%;padding:12px 16px;border:2px solid var(--gray-200);border-radius:10px;font-size:15px;font-family:inherit;transition:border-color .15s}.modal-card input:focus{outline:none;border-color:var(--primary)}.modal-actions{display:flex;gap:12px;margin-top:24px}.modal-actions button{flex:1}.toast{position:fixed;top:20px;right:20px;padding:16px 24px;border-radius:10px;font-size:15px;font-weight:500;box-shadow:var(--shadow-lg);z-index:2000;animation:slideIn .3s ease}.toast.success{background:var(--green);color:#fff}.toast.error{background:var(--red);color:#fff}@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}@media(max-width:768px){.sidebar{position:static;width:100%;height:auto}.sidebar-nav{flex-direction:row;overflow-x:auto}.main-content{margin-left:0;padding:20px}.stats-grid{grid-template-columns:1fr}}