:root{--shf-primary:#2563eb;--shf-primary-hover:#1d4ed8;--shf-secondary:#64748b;--shf-success:#10b981;--shf-danger:#ef4444;--shf-warning:#f59e0b;--shf-info:#3b82f6;--shf-light:#f1f5f9;--shf-dark:#0f172a;--shf-border:#e2e8f0;--shf-radius:8px;--shf-shadow:0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);--shf-shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05)}.shf-container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.shf-auth-box{max-width:480px;margin:4rem auto;background:#fff;padding:2.5rem;border-radius:var(--shf-radius);box-shadow:var(--shf-shadow-lg)}.shf-auth-header{text-align:center;margin-bottom:2rem}.shf-auth-header h1{font-size:2rem;font-weight:700;background:linear-gradient(135deg,#2563eb 0%,#1d4ed8 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0 0 1rem 0}.shf-auth-header h2{font-size:1.875rem;font-weight:700;color:var(--shf-dark);margin:0 0 .5rem 0}.shf-auth-header p{color:var(--shf-secondary);margin:0}.shf-auth-footer{text-align:center;margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--shf-border)}.shf-auth-footer p{margin:0;color:var(--shf-secondary)}.shf-auth-footer a{color:var(--shf-primary);text-decoration:none;font-weight:600}.shf-auth-footer a:hover{text-decoration:underline}.shf-auth-step{animation:fadeIn 0.3s ease-in}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.shf-verification-info{background:#f0f9ff;border:1px solid #bfdbfe;border-radius:var(--shf-radius);padding:1rem;margin-bottom:1.5rem;text-align:center}.shf-info-text{color:#1e40af;font-size:.875rem;margin:0 0 .5rem 0}.shf-email-display{display:block;color:#1e3a8a;font-size:1rem;margin-bottom:.5rem;word-break:break-all;font-weight:600}.shf-code-input{font-size:1.5rem!important;text-align:center;letter-spacing:.5rem;font-family:'Courier New',monospace!important;font-weight:600}.shf-btn-link{background:none;border:none;color:var(--shf-primary);cursor:pointer;font-size:.875rem;text-decoration:underline;padding:0;font-weight:500}.shf-btn-link:hover{color:var(--shf-primary-hover)}.shf-btn-link:disabled{color:var(--shf-secondary);cursor:not-allowed;opacity:.6}.shf-resend-section{text-align:center;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--shf-border)}.shf-resend-text{color:var(--shf-secondary);font-size:.875rem;margin:0 0 .5rem 0}#shf-resend-timer{color:#9ca3af;font-size:.875rem;margin-left:.5rem}.shf-secure-text{display:flex;align-items:center;justify-content:center;gap:.5rem;color:var(--shf-secondary);font-size:.75rem}.shf-icon-lock{width:1rem;height:1rem;color:var(--shf-success)}.shf-form{width:100%}.shf-form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.shf-form-group{margin-bottom:1.25rem}.shf-form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--shf-dark);font-size:.875rem}.shf-form-control{width:100%;padding:.625rem .875rem;border:1px solid var(--shf-border);border-radius:var(--shf-radius);font-size:1rem;transition:all 0.2s;box-sizing:border-box}.shf-form-control:focus{outline:none;border-color:var(--shf-primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}.shf-form-text{display:block;margin-top:.375rem;font-size:.8125rem;color:var(--shf-secondary)}.shf-btn{display:inline-flex;align-items:center;justify-content:center;padding:.625rem 1.25rem;font-size:1rem;font-weight:500;text-align:center;text-decoration:none;border:none;border-radius:var(--shf-radius);cursor:pointer;transition:all 0.2s;line-height:1.5}.shf-btn:disabled{opacity:.6;cursor:not-allowed}.shf-btn-primary{background:var(--shf-primary);color:#fff}.shf-btn-primary:hover:not(:disabled){background:var(--shf-primary-hover)}.shf-btn-secondary{background:var(--shf-secondary);color:#fff}.shf-btn-secondary:hover:not(:disabled){background:#475569}.shf-btn-danger{background:var(--shf-danger);color:#fff}.shf-btn-danger:hover:not(:disabled){background:#dc2626}.shf-btn-block{width:100%}.shf-btn-lg{padding:.875rem 1.5rem;font-size:1.125rem}.shf-btn-loader{display:inline-flex;align-items:center}.shf-spinner{display:inline-block;width:1rem;height:1rem;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:shf-spin 0.6s linear infinite}@keyframes shf-spin{to{transform:rotate(360deg)}}.shf-alert{padding:.875rem;border-radius:var(--shf-radius);margin-bottom:1rem;font-size:.875rem}.shf-alert-success{background:#d1fae5;color:#065f46;border:1px solid #6ee7b7}.shf-alert-danger{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}.shf-alert-warning{background:#fef3c7;color:#92400e;border:1px solid #fde68a}.shf-alert-info{background:#dbeafe;color:#1e40af;border:1px solid #93c5fd}.shf-badge{display:inline-flex;align-items:center;padding:.25rem .625rem;font-size:.75rem;font-weight:600;border-radius:9999px;text-transform:uppercase;letter-spacing:.025em}.shf-badge-success{background:#d1fae5;color:#065f46}.shf-badge-danger{background:#fee2e2;color:#991b1b}.shf-badge-warning{background:#fef3c7;color:#92400e}.shf-badge-info{background:#dbeafe;color:#1e40af}.shf-badge-secondary{background:#f1f5f9;color:#475569}.shf-profile-layout{display:grid;grid-template-columns:280px 1fr;gap:2rem;margin-top:2rem}.shf-sidebar{background:#fff;border-radius:var(--shf-radius);padding:1.5rem;box-shadow:var(--shf-shadow);height:fit-content}.shf-user-card{text-align:center;padding-bottom:1.5rem;border-bottom:1px solid var(--shf-border);margin-bottom:1.5rem}.shf-user-avatar{width:80px;height:80px;border-radius:50%;background:var(--shf-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;margin:0 auto 1rem}.shf-user-card h3{margin:0 0 .25rem 0;font-size:1.125rem;color:var(--shf-dark)}.shf-user-card p{margin:0;font-size:.875rem;color:var(--shf-secondary)}.shf-sidebar-nav{display:flex;flex-direction:column;gap:.5rem}.shf-sidebar-nav a{display:block;padding:.75rem 1rem;border-radius:var(--shf-radius);color:var(--shf-dark);text-decoration:none;transition:all 0.2s}.shf-sidebar-nav a:hover,.shf-sidebar-nav a.active{background:var(--shf-light);color:var(--shf-primary)}.shf-profile-main{background:#fff;border-radius:var(--shf-radius);padding:2rem;box-shadow:var(--shf-shadow)}.shf-profile-section{margin-bottom:3rem}.shf-profile-section:last-child{margin-bottom:0}.shf-profile-section h2{margin:0 0 1.5rem 0;font-size:1.5rem;color:var(--shf-dark)}.shf-subscription-card{background:var(--shf-light);border-radius:var(--shf-radius);padding:1.5rem}.shf-subscription-status{margin-bottom:1rem}.shf-subscription-card h3{margin:0 0 .5rem 0;font-size:1.25rem}.shf-subscription-dates{color:var(--shf-secondary);font-size:.875rem;margin-bottom:1rem}.shf-no-subscription{text-align:center;padding:2rem}.shf-no-subscription p{color:var(--shf-secondary);margin-bottom:1.5rem}.shf-subscriptions-header{text-align:center;margin-bottom:3rem}.shf-subscriptions-header h1{font-size:2.25rem;margin:0 0 .5rem 0;color:var(--shf-dark)}.shf-subscriptions-header p{font-size:1.125rem;color:var(--shf-secondary);margin:0}.shf-plans-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem}.shf-plan-card{background:#fff;border:2px solid var(--shf-border);border-radius:var(--shf-radius);padding:2rem;transition:all 0.3s;position:relative;display:flex;flex-direction:column}.shf-plan-card:hover{transform:translateY(-4px);box-shadow:var(--shf-shadow-lg);border-color:var(--shf-primary)}.shf-plan-current{border-color:var(--shf-primary);border-width:2px}.shf-plan-badge{position:absolute;top:1rem;right:1rem;background:var(--shf-primary);color:#fff;padding:.375rem .75rem;border-radius:var(--shf-radius);font-size:.75rem;font-weight:600}.shf-plan-header h3{margin:0 0 .5rem 0;font-size:1.5rem;color:var(--shf-dark)}.shf-plan-description{color:var(--shf-secondary);margin:0;font-size:.875rem}.shf-plan-pricing{padding:1.5rem 0;border-bottom:1px solid var(--shf-border);margin-bottom:1.5rem}.shf-plan-price{display:flex;align-items:baseline;gap:.25rem}.shf-price-amount{font-size:2.5rem;font-weight:700;color:var(--shf-dark)}.shf-price-period{font-size:1rem;color:var(--shf-secondary)}.shf-plan-yearly{margin-top:.5rem;font-size:.875rem;color:var(--shf-secondary)}.shf-plan-features{flex:1;margin-bottom:1.5rem}.shf-plan-features ul{list-style:none;padding:0;margin:0}.shf-plan-features li{display:flex;align-items:flex-start;gap:.75rem;padding:.5rem 0;color:var(--shf-dark)}.shf-icon-check{width:1.25rem;height:1.25rem;color:var(--shf-success);flex-shrink:0;margin-top:.125rem}.shf-plan-actions{display:flex;flex-direction:column;gap:.75rem}.shf-payment-result{max-width:500px;margin:4rem auto;text-align:center;background:#fff;padding:3rem;border-radius:var(--shf-radius);box-shadow:var(--shf-shadow-lg)}.shf-payment-icon{width:80px;height:80px;border-radius:50%;margin:0 auto 1.5rem;display:flex;align-items:center;justify-content:center}.shf-payment-icon svg{width:48px;height:48px}.shf-payment-success{background:#d1fae5;color:#065f46}.shf-payment-failed{background:#fee2e2;color:#991b1b}.shf-payment-result h1{margin:0 0 .5rem 0;font-size:2rem;color:var(--shf-dark)}.shf-payment-result p{color:var(--shf-secondary);margin:0 0 1.5rem 0}.shf-payment-id{font-size:.875rem;color:var(--shf-secondary);font-family:monospace}.shf-payment-actions{display:flex;gap:1rem;justify-content:center;margin-top:2rem}.shf-checkout-layout{display:grid;grid-template-columns:2fr 1fr;gap:2rem;margin-top:2rem}.shf-checkout-main,.shf-checkout-sidebar{background:#fff;border-radius:var(--shf-radius);padding:2rem;box-shadow:var(--shf-shadow)}.shf-checkout-summary{background:var(--shf-light);border-radius:var(--shf-radius);padding:1.5rem;margin-bottom:2rem}.shf-summary-item{display:flex;justify-content:space-between;padding:.75rem 0}.shf-summary-item:not(:last-child){border-bottom:1px solid var(--shf-border)}.shf-summary-total{font-size:1.25rem;font-weight:700;padding-top:1rem;margin-top:.5rem;border-top:2px solid var(--shf-border)!important}.shf-plan-preview h3{margin:0 0 .5rem 0;font-size:1.25rem}.shf-plan-preview p{color:var(--shf-secondary);margin:0 0 1.5rem 0}.shf-plan-features-list{list-style:disc;padding-left:1.5rem;margin:0}.shf-plan-features-list li{padding:.375rem 0;color:var(--shf-dark)}@media (max-width:768px){.shf-form-row{grid-template-columns:1fr}.shf-profile-layout,.shf-checkout-layout{grid-template-columns:1fr}.shf-plans-grid{grid-template-columns:1fr}.shf-payment-actions{flex-direction:column}}