:root{--color-primary:#0891b2;--color-primary-dark:#0e7490;--color-primary-light:#67e8f9;--color-primary-bg:#f0fdff;--color-primary-border:#bae6fd;--color-secondary:#059669;--color-secondary-dark:#047857;--color-bg:#fff;--color-bg-alt:#f8fafc;--color-bg-subtle:#f0fdff;--color-text:#1e293b;--color-text-light:#64748b;--color-text-muted:#94a3b8;--color-border:#e2e8f0;--color-border-light:#f1f5f9;--color-success:#059669;--color-warning:#d97706;--color-error:#dc2626;--color-info:#0891b2;--font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--max-width:1200px;--radius-sm:6px;--radius:8px;--radius-lg:12px;--radius-xl:16px;--shadow-xs:0 1px 2px rgba(0,0,0,.04);--shadow-sm:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);--shadow:0 4px 6px rgba(0,0,0,.05),0 2px 4px rgba(0,0,0,.04);--shadow-md:0 6px 12px rgba(0,0,0,.07),0 3px 6px rgba(0,0,0,.05);--shadow-lg:0 12px 24px rgba(0,0,0,.09),0 4px 8px rgba(0,0,0,.05);--shadow-primary:0 4px 14px rgba(8,145,178,.2)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{background-color:var(--color-bg);color:var(--color-text);font-family:var(--font-family);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--color-primary);text-decoration:none;transition:color .15s ease}a:hover{color:var(--color-primary-dark)}img{height:auto;max-width:100%}h1,h2,h3,h4{color:var(--color-text);font-weight:700;line-height:1.3}h1{font-size:2.25rem}h2{font-size:1.625rem}h3{font-size:1.2rem}h4{font-size:1rem}@media(max-width:768px){h1{font-size:1.75rem}h2{font-size:1.375rem}h3{font-size:1.1rem}}p{line-height:1.7}.container{margin:0 auto;max-width:var(--max-width);padding:0 1.25rem}@media(min-width:768px){.container{padding:0 2rem}}.section{padding:3rem 0}@media(min-width:768px){.section{padding:4.5rem 0}}.card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:1.75rem;transition:box-shadow .2s ease}.btn{align-items:center;border:2px solid transparent;border-radius:var(--radius);cursor:pointer;display:inline-flex;font-family:var(--font-family);font-size:.9375rem;font-weight:600;gap:.375rem;justify-content:center;padding:.625rem 1.375rem;text-decoration:none;transition:all .18s ease;white-space:nowrap}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);box-shadow:var(--shadow-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);border-color:var(--color-primary-dark);box-shadow:0 6px 20px #0891b24d;color:#fff;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-outline{background:transparent;border-color:var(--color-primary);color:var(--color-primary)}.btn-outline:hover{background:var(--color-primary);color:#fff;transform:translateY(-1px)}.form-group{margin-bottom:1.25rem}.form-label{color:var(--color-text);display:block;font-size:.875rem;font-weight:500;letter-spacing:.01em;margin-bottom:.4rem}.form-input,.form-select{-moz-appearance:none;appearance:none;-webkit-appearance:none;background-color:var(--color-bg);border:1.5px solid var(--color-border);border-radius:var(--radius);color:var(--color-text);font-family:var(--font-family);font-size:.9375rem;padding:.6rem .875rem;transition:border-color .15s ease,box-shadow .15s ease;width:100%}.form-select{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");background-position:right .6rem center;background-repeat:no-repeat;background-size:1.25em 1.25em;padding-right:2.5rem}.form-input:focus,.form-select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #0891b21f;outline:none}.form-input::-moz-placeholder{color:var(--color-text-muted)}.form-input::placeholder{color:var(--color-text-muted)}.unit-toggle{background:var(--color-bg-alt);border:1.5px solid var(--color-border);border-radius:var(--radius);display:inline-flex;overflow:hidden}.unit-toggle button{background:transparent;border:none;color:var(--color-text-light);cursor:pointer;font-family:var(--font-family);font-size:.8125rem;font-weight:500;padding:.3rem .75rem;transition:all .15s ease}.unit-toggle button.active{background:var(--color-primary);box-shadow:none;color:#fff}.grid-2{display:grid;gap:1.25rem;grid-template-columns:1fr}@media(min-width:640px){.grid-2{grid-template-columns:1fr 1fr}}.result-card{background:linear-gradient(135deg,var(--color-primary-bg) 0,#e0f7fa 100%);border:1.5px solid var(--color-primary-border);border-radius:var(--radius-xl);margin-top:1.5rem;padding:2rem}.result-value{color:var(--color-primary);font-size:2.25rem;font-weight:700;letter-spacing:-.02em;line-height:1.1}.result-label{color:var(--color-text-light);font-size:.8125rem;font-weight:500;margin-top:.25rem}.table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--color-border);border-radius:var(--radius);margin-top:1rem}table{border-collapse:collapse;font-size:.9375rem;width:100%}thead{position:sticky;top:0;z-index:1}th{background:var(--color-bg-alt);border-bottom:2px solid var(--color-border);color:var(--color-text-light);font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}td,th{padding:.75rem 1rem;text-align:left}td{border-bottom:1px solid var(--color-border-light);color:var(--color-text);vertical-align:middle}tbody tr:last-child td{border-bottom:none}tbody tr:nth-child(2n) td{background:#fafbfc}tbody tr:hover td{background:var(--color-primary-bg);transition:background .15s ease}.disclaimer{background:#fffbeb;border:1.5px solid #fcd34d;border-left:4px solid #f59e0b;border-radius:var(--radius);color:#78350f;font-size:.8125rem;line-height:1.6;margin-top:2rem;padding:1rem 1.25rem}.disclaimer strong{color:#92400e;font-weight:600}