.header{background:var(--bg);border-bottom:1px solid var(--border);padding:1rem 0;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff2}.logo{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:var(--text);font-weight:600;font-size:1.25rem;transition:opacity .2s}.logo:hover{opacity:.8}.logo-icon{font-size:1.5rem}.footer{margin-top:auto;padding:3rem 0 2rem;border-top:1px solid var(--border);background:var(--bg-secondary);text-align:center;color:var(--text-secondary);font-size:.875rem}.footer-feedback{margin-bottom:2rem;padding:1.5rem;background:var(--card-bg);border-radius:12px;border:2px solid var(--border)}.feedback-text{font-size:1.1rem;color:var(--text);margin-bottom:1rem;font-weight:500}.feedback-button{display:inline-block;padding:.75rem 2rem;background:var(--primary);color:#fff;text-decoration:none;border-radius:8px;font-weight:600;font-size:1rem;transition:all .2s}.feedback-button:hover{background:#2563eb;transform:translateY(-2px);box-shadow:0 4px 12px #3b82f64d}.footer-copyright{margin-top:1rem;color:var(--text-secondary)}.breadcrumbs{padding:.75rem 0;margin-bottom:1rem;border-bottom:1px solid var(--border, #e5e7eb)}.breadcrumbs-list{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;list-style:none;margin:0;padding:0;font-size:.875rem;color:var(--text-secondary, #6b7280)}.breadcrumbs-item{display:inline-flex;align-items:center}.breadcrumbs-link{color:var(--text-secondary, #6b7280);text-decoration:none;transition:color .2s ease}.breadcrumbs-link:hover{color:var(--primary, #3b82f6);text-decoration:underline}.breadcrumbs-category{color:var(--text-secondary, #6b7280)}.breadcrumbs-current{color:var(--text, #1f2937);font-weight:500}.breadcrumbs-separator{color:var(--text-secondary, #9ca3af);-webkit-user-select:none;user-select:none}@media (max-width: 640px){.breadcrumbs{padding:.5rem 0;font-size:.8125rem}.breadcrumbs-list{gap:.375rem}}.home{padding:1.5rem 0}.hero{text-align:center;margin-bottom:2rem}.hero h1{font-size:2rem;margin-bottom:.5rem}.hero p{font-size:1rem;color:var(--text-secondary);margin-bottom:1.5rem}.search-box{max-width:600px;margin:0 auto}.search-box input{font-size:1rem;padding:.875rem 1rem}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.25rem;margin-top:1.5rem}.tool-card{background:var(--bg);border:2px solid var(--border);border-radius:12px;padding:1.5rem;text-decoration:none;color:var(--text);transition:all .2s;display:flex;flex-direction:column;align-items:center;text-align:center}.tool-card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:var(--shadow-lg)}.tool-icon{font-size:2.5rem;margin-bottom:.75rem}.tool-card h2{font-size:1.125rem;margin-bottom:.5rem}.tool-card p{color:var(--text-secondary);margin:0;font-size:.9rem}.no-results{grid-column:1 / -1;text-align:center;padding:3rem;color:var(--text-secondary)}@media (max-width: 768px){.hero h1{font-size:1.75rem}.tools-grid{grid-template-columns:1fr}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #4f46e5;--primary-hover: #4338ca;--bg: #ffffff;--bg-secondary: #f9fafb;--text: #111827;--text-secondary: #6b7280;--border: #e5e7eb;--success: #10b981;--error: #ef4444;--shadow: 0 1px 3px 0 rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg);color:var(--text);line-height:1.6}#root{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:0 1rem;width:100%}.tool-container{max-width:700px;margin:0 auto;padding:2rem 1rem;width:100%;box-sizing:border-box}h1{font-size:2rem;font-weight:700;margin-bottom:.5rem;color:var(--text)}h2{font-size:1.5rem;font-weight:600;margin-bottom:1rem}p{color:var(--text-secondary);margin-bottom:2rem}input[type=text],input[type=number],textarea,select{width:100%;max-width:100%;padding:.875rem 1rem;font-size:1.125rem;border:2px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);transition:border-color .2s,box-shadow .2s;min-height:56px;height:56px;box-sizing:border-box;flex-shrink:0;flex-grow:0}input[type=checkbox]{width:18px;height:18px;min-height:18px;cursor:pointer}textarea{height:auto;min-height:100px;resize:vertical}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}button{padding:.875rem 1.5rem;font-size:1rem;font-weight:500;border:none;border-radius:8px;cursor:pointer;transition:all .2s;background:var(--primary);color:#fff}button:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-lg)}button:active{transform:translateY(0)}button.secondary{background:var(--bg-secondary);color:var(--text);border:2px solid var(--border)}button.secondary:hover{background:var(--border)}.btn-group{display:flex;gap:.75rem;flex-wrap:wrap}.field{margin-bottom:1.5rem;width:100%}.field label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text)}.field label input[type=checkbox]{width:auto;height:auto;min-height:auto;margin:0;margin-right:.5rem;flex-shrink:0;flex-grow:0;cursor:pointer}.field input,.field select,.field textarea{width:100%;max-width:100%}.result-box{background:var(--bg-secondary);border:2px solid var(--border);border-radius:8px;padding:1.5rem;margin:1.5rem 0}.result-box.success{background:#10b9811a;border-color:var(--success)}.result-value{font-size:1.5rem;font-weight:600;color:var(--text);word-break:break-word}.copy-btn{margin-top:1rem;width:100%}.error{color:var(--error);font-size:.875rem;margin-top:.5rem}@media (max-width: 768px){h1{font-size:1.75rem}.tool-container{padding:1.5rem 1rem}.btn-group{flex-direction:column}button{width:100%}}