@import "https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap";:root{--primary:#ff8a3d;--primary-dark:#ff6f0f;--text:#212124;--sub:#868b94;--bg:#f8f9fa;--surface:#fff;--border:#eee}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:Poppins,sans-serif}h1,h2,h3{margin:0;font-weight:700}p{margin:0}.btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:10px;padding:12px 20px;font-family:inherit;font-size:15px;font-weight:700;transition:all .15s;box-shadow:0 6px 14px #00000040}.btn:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 18px #0000004d}.icon{fill:none;stroke:currentColor;stroke-width:1.9px;stroke-linecap:round;stroke-linejoin:round;width:24px;height:24px}#root{min-height:100svh}.app-shell{max-width:480px;margin:0 auto;padding:32px 20px 48px}.layout{flex-direction:column;gap:24px;display:flex}.lang-switcher{justify-content:center;align-items:center;gap:8px;margin-bottom:14px;font-size:12px;display:flex}.lang-switcher a{color:var(--sub);text-decoration:none}.lang-switcher a.lang-active{color:var(--primary-dark);font-weight:700;text-decoration:underline}.lang-divider{color:var(--border)}.app-header{text-align:center;margin-bottom:28px}.app-badge{color:var(--primary-dark);background:#ff8a3d1f;border-radius:999px;margin-bottom:14px;padding:6px 14px;font-size:13px;font-weight:600;display:inline-block}.app-header h1{font-size:24px;line-height:1.45}.app-header .subtitle{color:var(--sub);margin-top:10px;font-size:14px;line-height:1.6}.calculator-form{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:0 2px 8px #0000000a}.form-section-title{color:var(--sub);margin:24px 0 12px;font-size:14px;font-weight:600}.form-section-title--first{margin-top:0}.form-grid{grid-template-columns:1fr 1fr;gap:0 12px;display:grid}.input-field{margin-bottom:14px}.input-field label{color:var(--text);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.input-field .input-wrap{position:relative}.input-field input{border:1.5px solid var(--border);width:100%;color:var(--text);background:var(--bg);border-radius:10px;padding:12px 42px 12px 14px;font-family:inherit;font-size:15px;transition:all .15s}.input-field input:focus{border-color:var(--primary);background:#fff;outline:none}.input-field .unit{color:var(--sub);pointer-events:none;font-size:13px;font-weight:500;position:absolute;top:50%;right:14px;transform:translateY(-50%)}.input-field .unit--prefix{left:14px;right:auto}.input-field input.has-prefix{padding-left:28px}.calculate-btn{width:100%;margin-top:8px;padding:14px 20px;font-size:16px}.result-section{flex-direction:column;gap:12px;scroll-margin-top:20px;display:flex}.result-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;align-items:center;gap:14px;padding:20px;display:flex;box-shadow:0 2px 8px #0000000a}.result-card .icon-wrap{width:44px;height:44px;color:var(--primary);background:#ff8a3d1f;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.result-card .label{color:var(--sub);font-size:13px;font-weight:500}.result-card .value{color:var(--text);margin-top:2px;font-size:20px;font-weight:700}.result-card--primary{background:linear-gradient(135deg, var(--primary), var(--primary-dark));border:none;box-shadow:0 8px 20px #ff6f0f4d}.result-card--primary .icon-wrap{color:#fff;background:#fff3}.result-card--primary .label{color:#ffffffd9}.result-card--primary .value{color:#fff;font-size:26px}.app-footer{border-top:1px solid var(--border);text-align:center;margin-top:32px;padding-top:20px}.app-footer p{color:var(--sub);font-size:12px;line-height:1.6}.footer-link{color:var(--sub);margin-top:8px;font-size:12px;text-decoration:underline;display:inline-block}.footer-link:hover{color:var(--primary-dark)}.policy-page{max-width:640px;margin:0 auto;padding:8px 0 40px}.policy-page h1{margin-bottom:4px;font-size:24px}.policy-updated{color:var(--sub);margin-bottom:24px;font-size:13px}.policy-page h2{margin:28px 0 8px;font-size:16px}.policy-page p{color:var(--text);font-size:14px;line-height:1.7}.policy-page a{color:var(--primary-dark)}.policy-back-link{color:var(--primary-dark);margin-top:32px;font-size:14px;font-weight:600;display:inline-block}.ad-overlay{z-index:100;background:#21212499;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.ad-modal{background:var(--surface);border-radius:16px;width:100%;max-width:360px;padding:16px;position:relative;box-shadow:0 20px 40px #0000004d}.ad-close{background:var(--text);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:13px;font-weight:700;display:flex;position:absolute;top:-14px;right:-14px}.ad-close:disabled{background:var(--sub);cursor:default}.ad-placeholder{background:var(--bg);border-radius:12px;justify-content:center;align-items:center;min-height:250px;display:flex;overflow:hidden}.display-ad{border-radius:12px;margin:16px 0;overflow:hidden}.display-ad--wide{min-height:90px}.display-ad--square{min-height:250px}.result-header{text-align:center;margin:8px 0 24px}.result-layout{flex-direction:column;gap:12px;display:flex}.recalculate-btn{width:100%;margin-top:20px}@media (width>=900px){.app-shell{max-width:960px;padding:56px 32px 64px}.app-header h1{font-size:30px}.layout{flex-direction:row;align-items:flex-start}.calculator-form,.result-section{flex:1}.result-section{position:sticky;top:32px}.result-layout{flex-direction:row;align-items:flex-start}.result-layout .result-section{flex:1;position:static}.result-layout .display-ad--square{flex-shrink:0;width:300px}}