.tool-wrapper *{box-sizing:border-box;margin:0;padding:0}.tool-wrapper .container{max-width:960px;margin:0 auto;padding:2rem}.tool-wrapper header{margin-bottom:2rem;text-align:center}.tool-wrapper h1{font-family:Crimson Text,serif;font-size:2.5rem;color:var(--text-default);margin-bottom:.5rem}.tool-wrapper h2{font-family:Crimson Text,serif;font-size:1.75rem;color:var(--text-default);border-bottom:2px solid var(--border-default);padding-bottom:.5rem;text-align:center;max-width:550px;margin:0 auto 1.5rem}.tool-wrapper p{margin-bottom:1rem;font-size:1.1rem;color:var(--text-default)}.tool-wrapper header p{color:var(--text-gray)}.tool-wrapper ul{list-style:none;padding-left:0}.tool-wrapper ul li{margin-bottom:.5rem}.tool-wrapper a{color:var(--border-default);text-decoration:none;font-weight:600;transition:color .2s ease-in-out}.tool-wrapper a:hover{color:var(--text-default);text-decoration:underline}.tool-wrapper .card{background:var(--bg-subtle);padding:2rem;margin-bottom:2rem;border-radius:8px;border:1px solid var(--border-default);box-shadow:0 4px 8px #0000001a;transition:box-shadow .2s ease-in-out,transform .2s ease-in-out}.tool-wrapper .card:hover{box-shadow:0 8px 16px #00000026;transform:translateY(-2px)}.tool-wrapper input,.tool-wrapper select{padding:.75rem;margin-bottom:1rem;width:100%;border:1px solid var(--border-default);background-color:var(--bg-default);color:var(--text-default);border-radius:6px;font-size:1rem;transition:border-color .2s ease-in-out,box-shadow .2s ease-in-out}.tool-wrapper input[type=checkbox]{accent-color:var(--color-checkbox);width:auto;margin-right:8px;cursor:pointer}.tool-wrapper #calculator{max-width:550px;margin:0 auto}.tool-wrapper #inputs{max-width:550px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:.5rem}.tool-wrapper #inputs input{width:120px;text-align:center;margin-bottom:0}.tool-wrapper #inputs .button-group{margin-top:1rem;width:100%}.tool-wrapper #calculator-inputs{display:flex;flex-direction:column;align-items:center}.tool-wrapper #calculator-inputs label{margin-bottom:.25rem}.tool-wrapper #calculator-inputs input{width:120px;text-align:center;margin-bottom:1rem}.tool-wrapper #calculator-inputs .button-group{width:100%}.tool-wrapper input:focus{outline:none;border-color:var(--text-default);box-shadow:none}.tool-wrapper .invalid-input,.tool-wrapper .invalid-input:focus{border-color:#dc3545;box-shadow:0 0 0 .2rem #dc354540;outline:none}.tool-wrapper .button-group{display:flex;gap:10px;flex-wrap:wrap;margin-top:.5rem}.tool-wrapper button{background-color:var(--border-default);color:#fff;padding:.75rem 1.5rem;border:none;border-radius:6px;cursor:pointer;font-size:1rem;font-weight:700;margin-top:0;flex:1;transition:background-color .2s ease-in-out}.tool-wrapper button:hover{background-color:var(--bg-hover);color:var(--text-default)}.tool-wrapper .secondary-btn{background-color:transparent;border:2px solid var(--border-default);color:var(--text-default)}.tool-wrapper .secondary-btn:hover{background-color:var(--bg-hover);border-color:var(--text-default)}.tool-wrapper footer{text-align:center;margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--border-default);color:var(--text-gray)}@media(max-width:600px){.tool-wrapper .container{padding:1rem}.tool-wrapper .card{padding:1.5rem}.tool-wrapper .calculator-row{flex-direction:column;align-items:flex-start;gap:.5rem}.tool-wrapper .calculator-row input{width:100%;flex-basis:auto}.tool-wrapper h1{font-size:2rem}}.tool-wrapper #output{margin-top:2rem;padding:1.25rem;border-radius:6px;font-size:1.1rem;font-weight:500;text-align:center;display:none}.tool-wrapper #output.success{display:block;background-color:var(--notion-green-bg);border:1px solid var(--color-checkbox);color:var(--text-default)}.tool-wrapper #output.error{display:block;background-color:var(--notion-red-bg);border:1px solid #d9534f;color:var(--text-default)}.tool-wrapper #output strong{color:var(--text-default);font-weight:700}.tool-wrapper .grade-input-section{margin-bottom:2.5rem;border-bottom:1px solid var(--border-default);padding-bottom:1.5rem}.tool-wrapper .grade-input-section:last-of-type{border-bottom:none}.tool-wrapper .grade-inputs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:1rem}.tool-wrapper .input-row{display:flex;gap:.5rem}.tool-wrapper .input-row .course-select{flex:1;margin-bottom:0}.tool-wrapper .input-row .grade-input{flex:0 0 100px;margin-bottom:0;text-align:center}.tool-wrapper #calculate-rutherford-btn{width:100%;padding:1rem;font-size:1.2rem;margin-top:1rem}.tool-wrapper #results-summary{margin-bottom:2rem}.tool-wrapper .results-summary-card{background-color:var(--bg-subtle);border:2px solid var(--border-default);border-radius:8px;padding:1.5rem;text-align:center}.tool-wrapper .total-amount{font-size:2.5rem;font-weight:700;color:#5cb85c;margin-bottom:0}.tool-wrapper #results-details{margin-top:2rem;display:flex;flex-direction:column;gap:1.5rem}.tool-wrapper .grade-result-card{padding:1.5rem;border-radius:8px;border:1px solid var(--border-default);color:var(--text-default)}.tool-wrapper .grade-result-card.eligible{background-color:var(--notion-green-bg);border-left:5px solid #5cb85c}.tool-wrapper .grade-result-card.ineligible{background-color:var(--bg-subtle);border-left:5px solid var(--border-default)}.tool-wrapper .grade-result-card h3{margin-top:0;border-bottom:1px solid var(--border-default);padding-bottom:.5rem}.tool-wrapper .result-stats{display:flex;justify-content:space-around;margin-bottom:1rem;font-size:1.1rem}.tool-wrapper .grade-result-card ul{list-style-type:none;padding-left:0;columns:2}.tool-wrapper .grade-result-card li{margin-bottom:.5rem}.tool-wrapper .tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.5rem}.tool-wrapper .tool-card{background-color:var(--bg-subtle);border:1px solid var(--border-default);border-radius:8px;padding:1.5rem;text-align:center;transition:all .2s ease-in-out;display:flex;flex-direction:column;align-items:center;color:var(--text-default)}.tool-wrapper .tool-card:hover{transform:translateY(-5px);border-color:var(--text-default);background-color:var(--bg-hover);text-decoration:none;box-shadow:0 6px 12px #00000026}.tool-wrapper .tool-card .tool-icon{font-size:2.5rem;margin-bottom:1rem;line-height:1}.tool-wrapper .tool-card h3{font-family:Crimson Text,serif;font-size:1.25rem;margin-bottom:.75rem;color:var(--text-default)}.tool-wrapper .tool-card p{font-size:.95rem;color:var(--text-gray);margin-bottom:0;flex-grow:1}.tool-wrapper input[type=number]::-webkit-outer-spin-button,.tool-wrapper input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.tool-wrapper .calculator-row{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem}.tool-wrapper .calculator-row label{margin-bottom:0}.tool-wrapper .calculator-row input{flex-basis:100px;flex-grow:0;flex-shrink:0;width:100px;margin-bottom:0;text-align:center}