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#0000001f;transform:translateY(-4px)}.heart-rate-title{color:#4f46e5;font-size:26px;font-weight:700;margin-bottom:14px;text-align:center}.heart-rate-input{border:1px solid #d1d5db;border-radius:8px;font-size:15px;margin-bottom:15px;outline:none;padding:12px;transition:border-color .2s,box-shadow .2s;width:100%}.heart-rate-input:focus{border-color:#6366f1;box-shadow:0 0 4px #6366f166}.calc-btn{background-color:#6366f1;border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:16px;padding:12px;transition:all .25s ease-in-out;width:100%}.calc-btn:hover{background-color:#4f46e5;transform:scale(1.02)}.error-text,.result-box{margin-top:18px}.ideal-weight-container{align-items:center;background:linear-gradient(135deg,#f3f4f6,#e0e7ff);display:flex;font-family:Poppins,sans-serif;justify-content:center;min-height:100vh}.ideal-weight-box{background:#fff;border-radius:16px;box-shadow:0 6px 20px #00000014;max-width:400px;padding:32px;transition:all .25s ease-in-out;width:100%}.ideal-weight-box:hover{box-shadow:0 10px 26px #0000001f;transform:translateY(-4px)}.ideal-weight-title{color:#4f46e5;font-size:26px;font-weight:700;margin-bottom:16px;text-align:center}.ideal-weight-input,.ideal-weight-select{border:1px solid #d1d5db;border-radius:8px;font-size:15px;margin-bottom:15px;outline:none;padding:12px;transition:border-color .2s ease-in-out,box-shadow .2s ease-in-out;width:100%}.ideal-weight-input:focus,.ideal-weight-select:focus{border-color:#6366f1;box-shadow:0 0 4px #6366f166}.ideal-weight-btn{background-color:#6366f1;border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:16px;padding:12px;transition:background-color .25s,transform .25s;width:100%}.ideal-weight-btn:hover{background-color:#4f46e5;transform:scale(1.02)}.result-box{background:#eef2ff;border-radius:10px;box-shadow:inset 0 0 5px #6366f126;color:#1e293b;font-size:17px}.error-text{background:#fee2e2;border-radius:8px;color:#ef4444;font-weight:600;margin-top:20px;padding:10px;text-align:center}.inductor-container{align-items:center;background:#f8fafc;display:flex;font-family:Poppins,sans-serif;justify-content:center;min-height:100vh}.inductor-card{background:#fff;border-radius:20px;box-shadow:0 10px 20px #0000001a;padding:2rem;text-align:center;transition:transform .3s ease,box-shadow .3s ease;width:380px}.inductor-card:hover{box-shadow:0 12px 25px #00000026;transform:translateY(-5px)}.inductor-title{color:#1e3a8a;font-size:1.8rem;font-weight:700;margin-bottom:.5rem}.inductor-subtitle{color:#555;font-size:.95rem;margin-bottom:1.5rem}.inductor-field{margin-bottom:1rem;text-align:left}.inductor-field label{color:#333;display:block;font-weight:600;margin-bottom:.4rem}.inductor-input{border:1px solid #ccc;border-radius:10px;font-size:1rem;outline:none;padding:.7rem;transition:all .3s 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#00000026;transform:translateY(-5px)}.investment-title{color:#6b21a8;font-size:1.8rem;font-weight:700;margin-bottom:.5rem}.investment-subtitle{color:#555;font-size:.95rem;margin-bottom:1.5rem}.investment-input,.investment-select{border:1px solid #ccc;border-radius:10px;font-size:1rem;margin-bottom:1rem;outline:none;padding:.8rem;transition:all .3s ease;width:100%}.investment-input:focus,.investment-select:focus{border-color:#9333ea;box-shadow:0 0 6px #9333ea4d}.investment-button{background:#7e22ce;border:none;border-radius:10px;color:#fff;cursor:pointer;font-weight:600;padding:.9rem;transition:background .3s ease;width:100%}.investment-button:hover{background:#6b21a8}.investment-result{background:#f3e8ff;border-radius:10px;color:indigo;font-weight:600;margin-top:1.5rem;padding:1rem;white-space:pre-line}.length-container{align-items:center;background:#e0f2fe;display:flex;font-family:Poppins,sans-serif;justify-content:center;min-height:100vh}.length-card{background:#fff;border-radius:20px;box-shadow:0 10px 20px #0000001a;padding:2rem;text-align:center;transition:transform .3s ease,box-shadow .3s ease;width:450px}.length-card:hover{box-shadow:0 12px 25px #00000026;transform:translateY(-5px)}.length-title{color:#2563eb;font-size:1.8rem;font-weight:700;margin-bottom:.5rem}.length-subtitle{color:#555;font-size:.95rem;margin-bottom:1.5rem}.length-grid{display:flex;flex-direction:column;gap:1rem}.length-row{align-items:center;display:flex;gap:1rem;justify-content:space-between}.length-label{color:#374151;font-weight:600;text-align:left;text-transform:capitalize;width:120px}.length-input{border:1px 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#4f46e54d}.loan-button{background-color:#4f46e5;border:none;border-radius:10px;color:#fff;cursor:pointer;font-size:1rem;font-weight:600;padding:.9rem;transition:background-color .3s ease,transform .2s ease;width:100%}.loan-button:hover{background-color:#4338ca;transform:scale(1.03)}.loan-result{background:#e0e7ff;border-radius:10px;color:#1e3a8a;font-weight:600;margin-top:1.5rem;padding:1rem;white-space:pre-line}.love-container{align-items:center;background:linear-gradient(135deg,#ffe4e6,#fbcfe8);display:flex;font-family:Poppins,sans-serif;justify-content:center;min-height:100vh}.love-card{background:#fff;border-radius:20px;box-shadow:0 10px 25px #0000001a;padding:2rem;text-align:center;transition:all .3s ease;width:400px}.love-card:hover{box-shadow:0 12px 28px #00000026;transform:translateY(-5px)}.love-title{color:#db2777;font-size:1.8rem;font-weight:700;margin-bottom:.5rem}.love-subtitle{color:#6b7280;font-size:.9rem;margin-bottom:1.5rem}.love-input{border:1px solid 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#00000026;transform:translateY(-5px)}.mean-median-title{color:#2563eb;font-size:1.8rem;font-weight:700;margin-bottom:1.2rem}.mean-median-textarea{border:1px solid #d1d5db;border-radius:10px;color:#374151;font-size:1rem;outline:none;padding:1rem;resize:none;transition:border-color .3s ease,box-shadow .3s ease;width:100%}.mean-median-textarea:focus{border-color:#2563eb;box-shadow:0 0 6px #2563eb4d}.mean-median-button{background-color:#2563eb;border:none;border-radius:10px;color:#fff;cursor:pointer;font-size:1rem;font-weight:600;margin-top:1rem;padding:.9rem;transition:background-color .3s ease,transform .2s ease;width:100%}.mean-median-button:hover{background-color:#1e40af;transform:scale(1.03)}.mean-median-result{background-color:#dcfce7;border-radius:10px;color:#166534;font-size:1rem;font-weight:600;margin-top:1.5rem;padding:1rem;text-align:center}.mechanical-container{align-items:center;background:linear-gradient(135deg,#f3f4f6,#e5e7eb);display:flex;font-family:Poppins,sans-serif;justify-content:center;min-height:100vh}.mechanical-card{background:#fff;border-radius:20px;box-shadow:0 10px 25px #0000001a;padding:2rem;transition:transform .3s ease,box-shadow .3s ease;width:400px}.mechanical-card:hover{box-shadow:0 14px 30px #00000026;transform:translateY(-6px)}.mechanical-title{color:#374151;font-size:1.6rem;font-weight:700;margin-bottom:1.5rem;text-align:center}.mechanical-input-group{margin-bottom:1.2rem}.mechanical-label{color:#4b5563;display:block;font-weight:600;margin-bottom:.3rem}.mechanical-input{border:1px solid 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#0000001a;max-width:420px;padding:30px;transition:transform .3s ease,box-shadow .3s ease;width:100%}.calculator-box:hover{box-shadow:0 14px 30px #00000026;transform:translateY(-4px)}.calculator-title{color:#333;font-size:1.8rem;font-weight:700;margin-bottom:25px;text-align:center}.input-group label{color:#555}.input-group input:focus{border-color:#4a90e2;box-shadow:0 0 4px #4a90e266}.calculate-btn{background-color:#333;border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:16px;font-weight:600;padding:10px;transition:background .3s ease,transform .2s ease;width:100%}.calculate-btn:hover{background-color:#000;transform:scale(1.02)}.result-box{background:#e0f0ff;border-radius:8px;color:#004d99;font-size:1rem;font-weight:600;margin-top:20px;padding:12px;text-align:center}.password-container{align-items:center;background:linear-gradient(135deg,#f0f4ff,#e0e7ff);display:flex;font-family:Poppins,sans-serif;justify-content:center;min-height:100vh;padding:20px}.password-card{background:#fff;border-radius:16px;box-shadow:0 10px 25px #0000001a;max-width:420px;padding:30px;text-align:center;transition:transform .3s ease,box-shadow .3s ease;width:100%}.password-card:hover{box-shadow:0 14px 30px #00000026;transform:translateY(-4px)}.password-title{color:#4f46e5;font-size:1.8rem;font-weight:700;margin-bottom:10px}.password-subtitle{color:#666;font-size:.9rem;margin-bottom:25px}.input-group{margin-bottom:18px}.input-group label{color:#333;margin-bottom:6px}.input-group input{border:1px solid #ccc;font-size:15px;padding:10px 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