:root{--primary: #2563eb;--primary-hover: #1d4ed8;--text-main: #0f172a;--text-muted: #64748b;--bg-page: #f8fafc;--border-color: #e2e8f0}body{margin:0;padding:0;background-color:var(--bg-page)}.tax-app{font-family:Inter,Noto Sans Devanagari,sans-serif;color:var(--text-main);line-height:1.5;min-height:calc(100vh - 100px)}.tax-app .container{max-width:850px;margin:0 auto;width:100%;box-sizing:border-box}.tax-app .main-card{background:#fff;box-sizing:border-box}.tax-app h1{text-align:center;color:#0f172a;font-size:1.75rem;font-weight:700;margin-top:0;margin-bottom:.5rem;letter-spacing:-.025em}.tax-app .subtitle{text-align:center;color:var(--text-muted);margin-bottom:1.5rem;font-weight:500;font-size:.95rem;background:#f1f5f9;display:inline-block;padding:.25rem 1rem;border-radius:6px;position:relative;left:50%;transform:translate(-50%)}.tax-app .form-instruction{text-align:center;color:#334155;font-weight:500;font-size:.95rem;margin-bottom:1.5rem}.tax-app form{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}.tax-app .full-width{grid-column:1 / -1}.tax-app label{font-weight:600;margin-bottom:.5rem;display:block;color:#334155;font-size:.9rem}.tax-app input{width:100%;padding:.75rem 1rem;border:1px solid var(--border-color);border-radius:8px;font-family:inherit;font-size:1rem;color:var(--text-main);box-sizing:border-box;transition:border-color .2s ease,box-shadow .2s ease;background-color:#f8fafc}.tax-app input:focus{outline:none;border-color:var(--primary);background-color:#fff;box-shadow:0 0 0 3px #2563eb1a}.tax-app button{grid-column:1 / -1;background:var(--primary);color:#fff;padding:.875rem;border:none;border-radius:8px;font-size:1.05rem;font-weight:600;cursor:pointer;transition:background-color .2s;margin-top:.5rem}.tax-app button:hover{background:var(--primary-hover)}.tax-app #result{margin-top:2.5rem;display:none;animation:fadeIn .4s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.tax-app .user-greeting{font-size:1.1rem;color:var(--text-main);margin-bottom:1.5rem;font-weight:600;padding-bottom:.5rem;border-bottom:1px solid var(--border-color)}.tax-app .summary-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}.tax-app .scard{padding:1.25rem;border-radius:12px;display:flex;flex-direction:column;justify-content:center;border:1px solid transparent}.tax-app .scard-title{font-size:.85rem;margin-bottom:.25rem;font-weight:500}.tax-app .scard-value{font-size:1.5rem;font-weight:700}.tax-app .bg-income{background:#f1f5f9;color:#334155;border-color:#e2e8f0}.tax-app .bg-taxable{background:#eff6ff;color:#1e3a8a;border-color:#bfdbfe}.tax-app .bg-tax{background:#fef2f2;color:#991b1b;border-color:#fecaca}.tax-app .focus-card{padding:1.5rem;border-radius:12px;text-align:center;margin-bottom:2rem;display:flex;flex-direction:column;align-items:center;justify-content:center}.tax-app .focus-title{font-size:1rem;font-weight:600;margin-bottom:.25rem}.tax-app .focus-value{font-size:2.5rem;font-weight:700;letter-spacing:-.025em}.tax-app .bg-owe-red{background:#fff1f2;color:#be123c;border:1px solid #fecdd3}.tax-app .bg-net-green{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}.tax-app .bg-neutral{background:#f8fafc;color:#334155;border:1px solid #e2e8f0}.tax-app .alert{padding:1rem;border-radius:8px;margin-bottom:1.5rem;font-weight:500;font-size:.95rem}.tax-app .alert-success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}.tax-app .alert-info{background:#f0f9ff;color:#0369a1;border:1px solid #bae6fd}.tax-app .slab-section-title{margin-top:2.5rem;margin-bottom:1rem;font-size:1.1rem;font-weight:700;color:#0f172a}.tax-app .slab-table-wrapper{overflow-x:auto;border-radius:8px;border:1px solid var(--border-color);background:#fff}.tax-app .slab-table{width:100%;border-collapse:collapse;text-align:left}.tax-app .slab-table th,.tax-app .slab-table td{padding:.875rem 1rem;border-bottom:1px solid var(--border-color);font-size:.95rem}.tax-app .slab-table th{background:#f8fafc;color:#334155;font-weight:600;text-transform:uppercase;font-size:.8rem;letter-spacing:.05em}.tax-app .slab-table tbody tr:nth-child(2n){background-color:#f8fafc}.tax-app .slab-table tbody tr:hover{background-color:#f1f5f9}.tax-app .slab-table tr:last-child td{border-bottom:none}.tax-app .row-total td{background-color:#0f172a!important;color:#fff;font-weight:700;font-size:1.05rem}.tax-app .row-deduction td{color:#047857}.tax-app .disclaimer{margin-top:2rem;text-align:center;font-size:.85rem;color:var(--text-muted);background:#f8fafc;padding:1rem;border-radius:8px;border:1px solid var(--border-color)}@media(min-width:641px){.tax-app{padding:3rem 1.5rem}.tax-app .main-card{border-radius:16px;padding:2.5rem;border:1px solid var(--border-color);box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008}}@media(max-width:640px){.tax-app{padding:0}.tax-app form{grid-template-columns:1fr;gap:1rem}.tax-app .main-card{padding:1.5rem 1rem;border-radius:0;border-left:none;border-right:none;border-top:none}.tax-app .focus-value{font-size:2rem}}