:root{--background-dark: #1a1c20;--background-light: #25282e;--primary-accent: #007bff;--primary-accent-hover: #0056b3;--text-primary: #f0f0f0;--text-secondary: #a0a0a0;--border-color: #3a3f47;--danger-color: #dc3545;--danger-color-hover: #c82333;--sidebar-width: 280px;--sidebar-collapsed-width: 80px}[data-theme=light]{--background-dark: #f0f2f5;--background-light: #ffffff;--text-primary: #1a1c20;--text-secondary: #5a6472;--border-color: #dee2e6}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%;overflow:hidden}body{font-family:Poppins,sans-serif;background-color:var(--background-dark);color:var(--text-primary);line-height:1.6;transition:background-color .3s ease,color .3s ease}#root{display:flex;min-height:100vh;width:100%;overflow-x:hidden}.main-content{flex-grow:1;display:flex;flex-direction:column;height:100vh;overflow-y:auto;transition:margin-left .3s ease}.app-header{padding:1rem 1.5rem;display:flex;justify-content:space-between;align-items:center;flex-shrink:0;border-bottom:1px solid var(--border-color);background-color:var(--background-light);position:sticky;top:0;z-index:100}.header-left{display:flex;align-items:center;gap:1rem}.header-left .header-content{text-align:left}.header-controls{display:flex;gap:.75rem;align-items:center}.theme-toggle,.hamburger-btn,.sidebar-toggle-btn{background-color:var(--background-light);border:1px solid var(--border-color);color:var(--text-primary);width:44px;height:44px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;flex-shrink:0}.theme-toggle:hover,.hamburger-btn:hover,.sidebar-toggle-btn:hover{border-color:var(--primary-accent);color:var(--primary-accent)}.hamburger-btn{display:none}.app-header h1{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin:0}.app-header p{font-size:.9rem;color:var(--text-secondary);margin:0}.search-trigger{display:flex;align-items:center;gap:.75rem;background-color:var(--background-light);border:1px solid var(--border-color);color:var(--text-secondary);padding:.6rem 1rem;border-radius:8px;cursor:pointer;font-family:Poppins,sans-serif;font-size:.9rem;transition:all .2s ease;white-space:nowrap}.search-trigger:hover{color:var(--text-primary);border-color:var(--primary-accent);background-color:var(--background-dark)}.search-trigger kbd{font-family:monospace;background-color:var(--background-dark);padding:2px 6px;border-radius:4px;border:1px solid var(--border-color);font-size:.8rem}[data-theme=light] .search-trigger kbd{background-color:#e9ecef;border-color:#ced4da}main{animation:fadeIn .5s ease-out;width:100%;flex-grow:1;padding:2rem;display:flex;flex-direction:column;align-items:center;gap:2rem}.sidebar{width:var(--sidebar-width);background-color:var(--background-light);border-right:1px solid var(--border-color);transition:width .3s ease;display:flex;flex-direction:column;flex-shrink:0;z-index:2000;overflow-y:auto;overflow-x:hidden}.sidebar.collapsed{width:var(--sidebar-collapsed-width);overflow:visible}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:1rem;height:69px;border-bottom:1px solid var(--border-color);flex-shrink:0;cursor:pointer;transition:background-color .2s ease}.sidebar-header:hover{background-color:var(--background-dark)}.sidebar-header .logo-text{font-size:1.25rem;font-weight:600;white-space:nowrap;overflow:hidden}.sidebar-search-container{display:flex;align-items:center;padding:.75rem;border-bottom:1px solid var(--border-color);gap:.75rem;flex-shrink:0}.sidebar.collapsed .sidebar-search-container{padding:.75rem 0;justify-content:center}.sidebar-search-container .search-icon{color:var(--text-secondary);flex-shrink:0;margin-left:.25rem}.sidebar-search-input{width:100%;background:transparent;border:none;outline:none;font-family:Poppins,sans-serif;font-size:1rem;color:var(--text-primary)}.sidebar.collapsed .sidebar-search-input{display:none}.sidebar-nav{padding:1rem 0;flex-grow:1}.sidebar-nav-empty{text-align:center;padding:2rem 1rem;color:var(--text-secondary);font-size:.9rem}.sidebar.collapsed .sidebar-nav-empty{display:none}.sidebar-category{padding:0 1.5rem;margin-top:1.5rem;margin-bottom:.75rem}.sidebar-category-title{font-size:.75rem;font-weight:600;text-transform:uppercase;color:var(--text-secondary);white-space:nowrap;overflow:hidden}.sidebar.collapsed .sidebar-category-title{text-align:center}.sidebar-link{display:flex;align-items:center;gap:1rem;padding:.75rem 1.5rem;color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:.95rem;white-space:nowrap;overflow:hidden;transition:background-color .2s ease,color .2s ease;border-radius:6px;margin:.25rem .75rem;padding:.75rem 1rem}.sidebar-link:hover{background-color:var(--background-dark);color:var(--text-primary)}.sidebar-link.highlighted{background-color:var(--primary-accent-hover);color:#fff}.sidebar-link.active{background-color:var(--primary-accent);color:#fff}.sidebar.collapsed .sidebar-link{justify-content:center;padding:.75rem}.sidebar.collapsed .sidebar-link.active{border-right:none;background-color:var(--primary-accent);margin:.25rem .75rem}.sidebar-link .link-text{transition:opacity .2s ease}.sidebar.collapsed .link-text{opacity:0;width:0}.mobile-nav-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#0009;z-index:1999;animation:fadeIn .3s ease}.calculator-card,.home-page-card{background-color:var(--background-light);border-radius:12px;padding:2rem;width:100%;max-width:650px;box-shadow:0 10px 30px #0000001a;border:1px solid var(--border-color);margin:0 auto;transition:background-color .3s ease,border-color .3s ease}[data-theme=light] .calculator-card,[data-theme=light] .home-page-card{box-shadow:0 4px 6px #0000000d}.home-page-card{max-width:750px;text-align:center}.home-page-card h1{font-size:2rem;font-weight:700;color:var(--primary-accent);margin-bottom:1rem}.home-page-card .lead{font-size:1.1rem;color:var(--text-secondary);max-width:600px;margin:0 auto 2rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;text-align:left;margin-top:2.5rem}.feature-item{background-color:var(--background-dark);padding:1.5rem;border-radius:8px;border:1px solid var(--border-color)}.feature-item .feature-icon{color:var(--primary-accent);margin-bottom:1rem}.feature-item h3{font-size:1.1rem;font-weight:600;margin-bottom:.5rem}.feature-item p{font-size:.9rem;color:var(--text-secondary)}.calculator-card h2{font-size:1.5rem;margin-bottom:.5rem;font-weight:600}.calculator-card .formula{color:var(--text-secondary);font-family:monospace;margin-bottom:1.5rem;font-size:.9rem;background-color:var(--background-dark);padding:.5rem;border-radius:4px;text-align:center;word-break:break-all;transition:background-color .3s ease}.form-grid{display:grid;gap:1.5rem;margin-bottom:1.5rem}.form-group{display:flex;flex-direction:column}.form-group label{font-size:.9rem;color:var(--text-secondary);margin-bottom:.5rem}.form-group input,.form-group select{background-color:var(--background-dark);border:1px solid var(--border-color);color:var(--text-primary);padding:.75rem;border-radius:6px;font-family:Poppins,sans-serif;font-size:1rem;transition:all .3s ease}.form-group select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23a0a0a0' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right .75rem center;background-size:1em;padding-right:2.5rem}[data-theme=light] .form-group select{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%235a6472' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e")}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary-accent)}.form-group-adornment{position:relative}.form-group-adornment .adornment{position:absolute;top:50%;transform:translateY(-50%);color:var(--text-secondary);pointer-events:none;font-size:1rem}.form-group-adornment .adornment.start{left:.75rem}.form-group-adornment .adornment.end{right:.75rem}.form-group-adornment input.has-start-adornment{padding-left:2rem}.form-group-adornment input.has-end-adornment{padding-right:2rem}.formula-variable{transition:all .2s ease-in-out;border-radius:3px;padding:0 2px}.formula-variable.active{background-color:var(--primary-accent);color:#fff}.calculate-btn{background-color:var(--primary-accent);color:#fff;border:none;padding:1rem;border-radius:6px;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .3s ease;width:100%}.calculate-btn:hover{background-color:var(--primary-accent-hover)}.calculate-btn:disabled{background-color:var(--border-color);cursor:not-allowed}.calculate-btn:hover:disabled{background-color:var(--border-color)}[data-theme=light] .calculate-btn:disabled{color:var(--text-secondary)}.result{margin-top:2rem;background-color:var(--background-dark);padding:1.5rem;border-radius:6px;text-align:center;animation:fadeIn .5s ease-out;transition:background-color .3s ease}.result p{color:var(--text-secondary);font-size:1rem;margin-bottom:.5rem}.result h3{color:var(--primary-accent);font-size:2.2rem;font-weight:700;word-wrap:break-word;display:flex;align-items:center;justify-content:center;gap:.75rem;flex-wrap:wrap}.result-tag{font-size:.8rem;font-weight:500;padding:.25rem .6rem;border-radius:1rem;color:#fff}.tag-good{background-color:#28a745}.tag-ok{background-color:#ffc107;color:var(--background-dark)}.tag-poor{background-color:#dc3545}.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-top:1rem;text-align:left}.result-grid-item{background-color:var(--background-light);padding:1rem;border-radius:8px;border:1px solid var(--border-color)}.result-grid-item p{font-size:.9rem;color:var(--text-secondary);margin-bottom:.25rem}.result-grid-item .item-formula{font-size:.8rem;opacity:.7}.result-grid-item h4{font-size:1.2rem;color:var(--text-primary);font-weight:600}.result-breakdown{margin-top:1.5rem;padding:1.5rem 0;border-top:1px solid var(--border-color);font-family:monospace;font-size:.95rem;text-align:left;color:var(--text-secondary);line-height:1.8}.result-breakdown span{color:var(--text-primary);font-weight:600}.dynamic-input-container{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem}.dynamic-input-container input{flex-grow:1}.icon-btn{background:transparent;border:none;cursor:pointer;padding:.5rem;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .2s ease,color .2s ease}.icon-btn.remove-btn{color:var(--danger-color)}.icon-btn.remove-btn:hover{background-color:#dc35451a}.add-btn{background-color:transparent;color:var(--primary-accent);border:1px dashed var(--primary-accent);padding:.75rem;border-radius:6px;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .3s ease;width:100%;margin-top:.5rem;display:flex;align-items:center;justify-content:center;gap:.5rem}.add-btn:hover{background-color:#007bff1a;border-color:var(--primary-accent-hover)}.error-message{background-color:#dc35451a;color:var(--danger-color);padding:.75rem 1rem;border-radius:6px;margin-top:1.5rem;font-size:.9rem;text-align:center;border:1px solid var(--danger-color);animation:fadeIn .3s ease-out}.button-group{display:flex;gap:1rem;margin-top:1.5rem;justify-content:flex-end}.button-group .calculate-btn{flex-grow:0;width:auto;padding:1rem 2rem}.button-group .clear-btn{flex-grow:0;width:auto;margin-left:0;margin-right:auto}.clear-btn{background-color:transparent;color:var(--text-secondary);border:1px solid var(--border-color);padding:1rem;border-radius:6px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;width:100%}.clear-btn:hover{background-color:var(--background-dark);border-color:var(--text-secondary)}.amortization-table-container{margin-top:1rem;overflow-x:auto;border:1px solid var(--border-color);border-radius:8px}.amortization-table{width:100%;border-collapse:collapse;font-size:.9rem}.amortization-table th,.amortization-table td{padding:.75rem;text-align:right;border-bottom:1px solid var(--border-color)}.amortization-table th{background-color:var(--background-light);font-weight:600;color:var(--text-primary);text-align:right}.amortization-table th:first-child,.amortization-table td:first-child{text-align:center}.amortization-table tbody tr:last-child td{border-bottom:none}.amortization-table tbody tr:nth-child(2n){background-color:var(--background-dark)}[data-theme=light] .amortization-table tbody tr:nth-child(2n){background-color:#f8f9fa}.radio-group{display:flex;flex-wrap:wrap;gap:.5rem;background-color:var(--background-dark);padding:.5rem;border-radius:8px;margin-bottom:1rem}.radio-group label{flex-grow:1;text-align:center;cursor:pointer}.radio-group input{display:none}.radio-group .radio-label{display:block;padding:.5rem 1rem;border-radius:6px;background-color:transparent;color:var(--text-secondary);font-weight:500;transition:all .2s ease-in-out}.radio-group input:checked+.radio-label{background-color:var(--primary-accent);color:#fff;box-shadow:0 2px 8px #007bff4d}.radio-group input:hover:not(:checked)+.radio-label{background-color:var(--background-light)}.form-group-inline{display:flex;align-items:center;gap:1rem}.form-group-inline .form-group{flex-grow:1}.chart-container,.what-if-analysis{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border-color)}.what-if-analysis h4{text-align:center;color:var(--text-secondary);margin-bottom:1.5rem;font-weight:500}.what-if-slider-group{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.5rem}.what-if-slider-group label{display:flex;justify-content:space-between;font-size:.9rem;color:var(--text-secondary)}.what-if-slider-group label .value{color:var(--text-primary);font-weight:600}.what-if-slider-group input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:8px;background:var(--background-dark);border-radius:5px;outline:none;opacity:.7;transition:opacity .2s}.what-if-slider-group input[type=range]:hover{opacity:1}.what-if-slider-group input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:20px;height:20px;background:var(--primary-accent);cursor:pointer;border-radius:50%}.what-if-slider-group input[type=range]::-moz-range-thumb{width:20px;height:20px;background:var(--primary-accent);cursor:pointer;border-radius:50%;border:none}.what-if-result{text-align:center;background-color:var(--background-dark);padding:.75rem;border-radius:6px}.what-if-result p{font-size:.9rem;color:var(--text-secondary)}.what-if-result h5{font-size:1.5rem;color:var(--primary-accent)}.calculator-info-card{background-color:var(--background-light);border-radius:12px;padding:2rem;width:100%;max-width:650px;box-shadow:0 10px 30px #0000001a;border:1px solid var(--border-color);transition:background-color .3s ease,border-color .3s ease;animation:fadeIn .5s ease-out .2s;animation-fill-mode:backwards}[data-theme=light] .calculator-info-card{box-shadow:0 4px 6px #0000000d}.calculator-info-card h3{font-size:1.25rem;font-weight:600;margin-bottom:1rem;padding-bottom:.75rem;border-bottom:1px solid var(--border-color);color:var(--text-primary)}.calculator-info-card p{color:var(--text-secondary);line-height:1.7;margin-bottom:1rem}.calculator-info-card p:last-child{margin-bottom:0}.calculator-info-card strong{color:var(--text-primary);font-weight:600}.calculator-info-card ul{list-style-position:inside;padding-left:.5rem;color:var(--text-secondary)}.calculator-info-card li{margin-bottom:.5rem}.calculator-info-card li::marker{color:var(--primary-accent)}@media (max-width: 1024px){.app-header p{display:none}}@media (max-width: 768px){.sidebar-toggle-btn{display:none}.hamburger-btn{display:flex}.sidebar{position:fixed;left:calc(var(--sidebar-width) * -1);height:100%;top:0}.sidebar.mobile-open{left:0}.sidebar.collapsed{width:var(--sidebar-width)}.sidebar.collapsed .sidebar-header .logo-text,.sidebar.collapsed .sidebar-category-title,.sidebar.collapsed .sidebar-link .link-text{opacity:1;width:auto}.sidebar.collapsed .sidebar-link{justify-content:flex-start;margin:.25rem .75rem}.sidebar.collapsed .sidebar-link.active{margin:.25rem .75rem;border-radius:6px}.header-content h1{font-size:1.25rem}.search-trigger kbd,.search-trigger span{display:none}.search-trigger{padding:0;width:44px;height:44px;justify-content:center;border-radius:50%}.calculator-card,.home-page-card{padding:1.5rem}main{padding:1.5rem 1rem;gap:1.5rem}}