@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Outfit:wght@500;600&display=swap";:root{--bg-color: #0f172a;--card-bg: rgba(30, 41, 59, .7);--input-bg: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-color: #fbbf24;--accent-hover: #f59e0b;--card-border: rgba(255, 255, 255, .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.6;padding:2rem;min-height:100vh;display:flex;flex-direction:column;align-items:center}header{text-align:center;margin-bottom:2rem}header h1{font-size:2rem;font-family:Outfit,sans-serif;background:linear-gradient(135deg,#fff,#94a3b8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.back-link{align-self:flex-start;color:var(--text-secondary);text-decoration:none;font-size:.9rem;margin-bottom:2rem;transition:color .2s}.back-link:hover{color:var(--text-primary)}.calculator-card{background:var(--card-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--card-border);border-radius:24px;padding:2.5rem;width:100%;max-width:600px;box-shadow:0 25px 50px -12px #00000080}.calc-section{margin-bottom:2.5rem}.calc-section h2{font-size:1.1rem;font-family:Outfit,sans-serif;color:var(--text-primary);margin-bottom:1.25rem;padding-bottom:.5rem;border-bottom:1px solid var(--card-border)}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;color:var(--text-secondary);font-size:.9rem;font-weight:500}.label-with-toggle{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.label-row{display:flex;align-items:center;margin-bottom:.5rem}.label-with-toggle label,.form-group label{margin-bottom:0}.info-details{position:relative;display:inline-block;margin-left:.5rem}.info-details summary{list-style:none;cursor:pointer;width:1.2rem;height:1.2rem;background:#ffffff1a;border:1px solid var(--card-border);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;color:var(--text-secondary);transition:all .2s}.info-details summary::-webkit-details-marker{display:none}.info-details summary:hover{background:#fff3;color:var(--text-primary);border-color:var(--accent-color)}.info-content{position:absolute;bottom:calc(100% + 10px);left:50%;transform:translate(-50%);width:240px;background:#1e293b;border:1px solid var(--accent-color);border-radius:12px;padding:1rem;font-size:.8rem;color:var(--text-primary);box-shadow:0 10px 25px -5px #00000080;z-index:50;pointer-events:none}.info-content:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:8px solid transparent;border-top-color:var(--accent-color)}.toggle-container{display:flex;align-items:center;gap:.5rem;cursor:pointer;-webkit-user-select:none;user-select:none}.toggle-container input[type=checkbox]{width:1.2rem;height:1.2rem;cursor:pointer;accent-color:var(--accent-color)}.toggle-text{font-size:.8rem;color:var(--text-secondary)}input,select{width:100%;padding:.875rem 1rem;background:var(--input-bg);border:1px solid var(--card-border);border-radius:12px;color:var(--text-primary);font-size:1rem;transition:all .2s}input:disabled{opacity:.5;cursor:not-allowed;background:#0f172a33}input:focus,select:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #fbbf241a}.hint{display:block;margin-top:.5rem;font-size:.8rem;color:var(--text-secondary)}.results-container{background:#0f172a66;border-radius:20px;padding:2rem;margin-top:2rem}.result-item{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;border-bottom:1px solid var(--card-border)}.result-item:last-child{border-bottom:none}.result-item.highlight{flex-direction:column;align-items:center;gap:.5rem;padding-top:1.5rem}.result-label{color:var(--text-secondary);font-size:.95rem}.result-value{font-family:Outfit,sans-serif;font-size:1.5rem;font-weight:600;color:var(--text-primary)}.result-item.highlight .result-value{font-size:2.5rem;color:var(--accent-color)}.result-unit{font-size:1rem;margin-left:.4rem;color:var(--text-secondary);font-weight:400}.text-center{text-align:center}.table-info{margin-top:2rem;font-size:.85rem;color:var(--text-secondary);line-height:1.6}@media(max-width:480px){body{padding:1rem}.calculator-card{padding:1.5rem}.result-value{font-size:1.25rem}.result-item.highlight .result-value{font-size:2rem}}