:root{--bg:#f8fafc;--surface:#fff;--surface-2:#f1f5f9;--primary:#6366f1;--primary-d:#4f46e5;--primary-l:#eef2ff;--primary-xl:#e0e7ff;--text:#1e293b;--text-2:#475569;--text-3:#94a3b8;--border:#e2e8f0;--border-2:#cbd5e1;--success:#22c55e;--success-l:#dcfce7;--error:#ef4444;--error-l:#fee2e2;--warning:#f59e0b;--warning-l:#fef3c7;--r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:24px;--sh-sm:0 1px 3px #0f172a0f;--sh-md:0 4px 12px #0f172a14;--sh-lg:0 8px 24px #0f172a1a;--sh-xl:0 20px 48px #0f172a1f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:Inter,system-ui,-apple-system,sans-serif;font-size:15px;line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-d)}h1{color:var(--text);font-size:clamp(1.75rem,4vw,2.5rem);font-weight:700;line-height:1.2}h2{color:var(--text);font-size:clamp(1.25rem,3vw,1.75rem);font-weight:700;line-height:1.3}h3{color:var(--text);font-size:1.125rem;font-weight:600;line-height:1.4}h4{color:var(--text);font-size:1rem;font-weight:600}p{color:var(--text-2)}small{color:var(--text-3);font-size:.8125rem}.btn{border-radius:var(--r-md);cursor:pointer;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:6px;padding:10px 20px;font-family:inherit;font-size:.9375rem;font-weight:600;line-height:1;text-decoration:none;transition:all .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 8px #6366f14d}.btn-primary:hover:not(:disabled){background:var(--primary-d);transform:translateY(-1px)}.btn-secondary{background:var(--surface);color:var(--text);border:1.5px solid var(--border-2);box-shadow:var(--sh-sm)}.btn-secondary:hover:not(:disabled){background:var(--surface-2);border-color:var(--primary);color:var(--primary)}.btn-ghost{color:var(--text-2);background:0 0;border:1.5px solid #0000}.btn-ghost:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.btn-danger{background:var(--error);color:#fff}.btn-sm{border-radius:var(--r-sm);padding:6px 14px;font-size:.875rem}.btn-lg{border-radius:var(--r-lg);padding:14px 28px;font-size:1rem}.btn-full{width:100%}.btn-icon{border-radius:var(--r-sm);border:1.5px solid var(--border);color:var(--text-2);cursor:pointer;background:0 0;justify-content:center;align-items:center;padding:8px;transition:all .15s;display:inline-flex}.btn-icon:hover{background:var(--surface-2);color:var(--text)}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:var(--text);font-size:.875rem;font-weight:500}.form-hint{color:var(--text-3);font-size:.8rem}.form-control{border:1.5px solid var(--border);border-radius:var(--r-md);width:100%;color:var(--text);background:var(--surface);outline:none;padding:10px 14px;font-family:inherit;font-size:.9375rem;transition:border-color .15s}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.form-control::placeholder{color:var(--text-3)}.form-control.error{border-color:var(--error)}textarea.form-control{resize:vertical;min-height:90px}.form-error{color:var(--error);margin-top:2px;font-size:.8rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--sh-sm);padding:24px}.card-hover{cursor:pointer;transition:box-shadow .2s,transform .2s,border-color .2s}.card-hover:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}.card-active{border-color:var(--primary)!important;background:var(--primary-l)!important;box-shadow:0 0 0 2px var(--primary-xl)!important}.badge{border-radius:999px;align-items:center;gap:4px;padding:3px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-primary{background:var(--primary-l);color:var(--primary-d)}.badge-success{background:var(--success-l);color:#166534}.badge-error{background:var(--error-l);color:#991b1b}.badge-neutral{background:var(--surface-2);color:var(--text-2)}.alert{border-radius:var(--r-md);align-items:flex-start;gap:10px;padding:12px 16px;font-size:.9rem;display:flex}.alert-error{background:var(--error-l);color:#991b1b;border:1px solid #fecaca}.alert-success{background:var(--success-l);color:#166534;border:1px solid #bbf7d0}.alert-info{background:var(--primary-l);color:var(--primary-d);border:1px solid var(--primary-xl)}.alert-warning{background:var(--warning-l);color:#92400e;border:1px solid #fde68a}.container{max-width:1160px;margin:0 auto;padding:0 24px}.container-sm{max-width:680px;margin:0 auto;padding:0 24px}.section{padding:64px 0}.section-sm{padding:40px 0}.flex{display:flex}.flex-col{flex-direction:column;display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.flex-wrap{flex-wrap:wrap}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.gap-6{gap:24px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mt-8{margin-top:32px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.text-center{text-align:center}.w-full{width:100%}.divider{background:var(--border);height:1px;margin:20px 0}.text-primary{color:var(--primary)}.text-success{color:#166534}.text-error{color:var(--error)}.text-muted{color:var(--text-3)}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.spinner{vertical-align:middle;border:2.5px solid #ffffff4d;border-top-color:currentColor;border-radius:50%;width:20px;height:20px;animation:.7s linear infinite spin;display:inline-block}.spinner-dark{border-color:#6366f126;border-top-color:var(--primary)}@keyframes spin{to{transform:rotate(360deg)}}.stepper{align-items:center;padding:20px 0;display:flex}.stepper-item{flex:1;align-items:center;gap:8px;min-width:0;display:flex}.stepper-item:not(:last-child):after{content:"";background:var(--border);flex:1;height:1px;margin:0 8px}.stepper-num{background:var(--surface-2);width:28px;height:28px;color:var(--text-3);border:1.5px solid var(--border);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.8125rem;font-weight:700;transition:all .2s;display:flex}.stepper-label{color:var(--text-3);white-space:nowrap;text-overflow:ellipsis;font-size:.8rem;font-weight:500;overflow:hidden}.stepper-item.active .stepper-num{background:var(--primary);color:#fff;border-color:var(--primary)}.stepper-item.active .stepper-label{color:var(--primary);font-weight:600}.stepper-item.done .stepper-num{background:var(--success-l);color:#166534;border-color:var(--success)}.stepper-item.done .stepper-label{color:var(--text-2)}.table-wrap{border-radius:var(--r-lg);border:1px solid var(--border);background:var(--surface);overflow-x:auto}table{border-collapse:collapse;width:100%}th{text-transform:uppercase;letter-spacing:.05em;color:var(--text-3);text-align:left;border-bottom:1px solid var(--border);white-space:nowrap;padding:12px 16px;font-size:.8rem;font-weight:600}td{border-bottom:1px solid var(--border);vertical-align:middle;padding:14px 16px;font-size:.9rem}tr:last-child td{border-bottom:none}tbody tr:hover{background:var(--bg)}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0f172a80;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:var(--r-xl);box-shadow:var(--sh-xl);width:100%;max-width:520px;max-height:90vh;overflow-y:auto}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:20px 24px 16px;display:flex}.modal-body{padding:20px 24px}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:10px;padding:16px 24px;display:flex}.copy-box{border:1.5px solid var(--border);border-radius:var(--r-md);background:var(--surface-2);align-items:center;display:flex;overflow:hidden}.copy-box-text{color:var(--text-2);white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;padding:10px 14px;font-family:monospace;font-size:.8125rem;overflow:hidden}.copy-box .btn{border-radius:0;flex-shrink:0;padding:10px 16px;font-size:.875rem}.toggle{flex-shrink:0;width:44px;height:24px;display:inline-block;position:relative}.toggle input{opacity:0;width:0;height:0}.toggle-slider{background:var(--border-2);cursor:pointer;border-radius:999px;transition:all .25s;position:absolute;inset:0}.toggle-slider:before{content:"";background:#fff;border-radius:50%;width:18px;height:18px;transition:all .25s;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #0003}.toggle input:checked+.toggle-slider{background:var(--primary)}.toggle input:checked+.toggle-slider:before{transform:translate(20px)}.toggle-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:14px 0;display:flex}.toggle-row:last-child{border-bottom:none}.toggle-info{flex-direction:column;gap:2px;display:flex}.plan-card{border:2px solid var(--border);border-radius:var(--r-xl);cursor:pointer;background:var(--surface);padding:24px;transition:all .2s}.plan-card:hover{border-color:var(--primary-xl);box-shadow:var(--sh-md)}.plan-card.selected{border-color:var(--primary);background:var(--primary-l);box-shadow:0 0 0 3px var(--primary-xl)}.plan-price{color:var(--primary);font-size:2rem;font-weight:700;line-height:1}.plan-features{flex-direction:column;gap:8px;margin-top:16px;list-style:none;display:flex}.plan-features li{color:var(--text-2);align-items:center;gap:8px;font-size:.875rem;display:flex}.plan-features li:before{content:"✓";color:var(--success);flex-shrink:0;font-weight:700}@media (width<=768px){.hide-mobile{display:none!important}.container,.container-sm{padding:0 16px}.section{padding:40px 0}.stepper-label{display:none}}