.calc-shell{max-width:1120px;margin:auto;padding:0 24px}.calc-nav{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0;border-bottom:1px solid var(--border-card)}.calc-nav .brand{font-size:23px}.calc-nav-right,.languages,.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.languages a{padding:7px 12px;border-radius:8px;color:var(--text-secondary);font-size:14px}.languages a[aria-current]{background:var(--btn-sec-bg);color:var(--text-primary);border:1px solid var(--border-card)}.calc-hero{padding:60px 0 36px;max-width:840px}.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-blue);font-weight:700;margin-bottom:18px}.calc-hero h1{font-size:clamp(34px,5vw,56px);letter-spacing:-.04em;line-height:1.12;margin:0 0 20px}.calc-hero h1 span{color:var(--accent-blue)}.calc-hero p{font-size:17px;line-height:1.7;color:var(--text-secondary);max-width:680px}.trust-line{display:flex;gap:20px;flex-wrap:wrap;margin-top:22px;font-size:12px;color:var(--text-secondary)}.calculator-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:28px;align-items:start}.calc-panel{padding:28px;border:1px solid var(--border-card);background:var(--bg-card);border-radius:18px}.calc-form fieldset{border:0;padding:0;margin:0 0 28px;min-width:0}.calc-form legend{width:100%;font-size:17px;font-weight:700;margin-bottom:18px;padding-top:22px;border-top:1px solid var(--border-card)}.calc-form fieldset:first-child legend{padding-top:0;border-top:0}.step-number{font-size:12px;color:var(--accent-blue);margin-right:10px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;min-width:0}.field label{font-size:13px;font-weight:600}.field small,.hint{font-size:12px;line-height:1.65;color:var(--text-secondary)}.calc-form input,.calc-form select,.calc-result input,.calc-result select{width:100%;min-width:0;border:1px solid var(--btn-sec-border);border-radius:9px;padding:12px;background:var(--bg-main);color:var(--text-primary);font:inherit;font-size:14px;min-height:46px;color-scheme:dark}.calc-form input:focus,.calc-form select:focus,.calc-result input:focus{outline:2px solid var(--accent-blue);outline-offset:2px}[data-theme=light] .calc-form input,[data-theme=light] .calc-form select,[data-theme=light] .calc-result input,[data-theme=light] .calc-result select{color-scheme:light}.calc-form details{padding:16px;background:var(--tag-bg);border-radius:10px;margin:12px 0}.calc-form summary,.guide summary{cursor:pointer;font-weight:600;font-size:14px}.calc-form details[open] summary{margin-bottom:18px}.calc-form .hint{margin:0 0 16px}.calc-button{border:1px solid var(--btn-sec-border);border-radius:9px;padding:11px 16px;background:var(--btn-sec-bg);color:var(--text-primary);font:inherit;font-size:13px;cursor:pointer;min-height:44px}.calc-button:hover{border-color:var(--accent-blue)}.calc-button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent-blue);outline-offset:3px}.calc-button.primary{background:var(--grad-primary);color:white;border:0;font-weight:600;font-size:15px;width:100%;padding:15px}.calc-button:disabled{opacity:.45;cursor:default}.calc-result{position:sticky;top:24px;overflow-wrap:anywhere;border-top:3px solid var(--accent-blue)}.result-kicker{color:var(--text-secondary);font-size:13px;margin-bottom:14px}.result-amount{font-size:clamp(28px,3.3vw,43px);font-weight:700;letter-spacing:-.04em;line-height:1.2;margin:12px 0}.result-unit{font-size:12px;color:var(--text-secondary)}.result-status{font-size:13px;line-height:1.7;padding:16px 0;color:var(--text-secondary)}.breakdown{margin:12px 0 20px;border-top:1px solid var(--border-card)}.breakdown div{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--border-card);padding:13px 0;font-size:13px}.breakdown dt{color:var(--text-secondary)}.breakdown dd{margin:0;text-align:right;font-weight:600}.formula{padding:16px;border-radius:10px;background:var(--tag-bg);font-size:14px;line-height:1.7}.calc-result .actions{margin:20px 0 12px}.error{color:#fb7185;font-size:14px;margin:12px 0}.error:empty{display:none}[data-theme=light] .error{color:#b91c1c}.notice{font-size:12px;line-height:1.6;color:var(--text-secondary);padding:12px;border-left:2px solid var(--accent-blue);margin:16px 0}.guide{padding:56px 0 32px;max-width:800px}.guide h2{font-size:27px;letter-spacing:-.025em;margin-bottom:20px}.guide h3{font-size:19px;margin:28px 0 12px}.guide p,.guide li{color:var(--text-secondary);font-size:14px;line-height:1.85}.guide details{padding:18px 0;border-bottom:1px solid var(--border-card)}.guide details p{margin-top:14px}.guide a{color:var(--accent-blue);text-decoration:underline;text-underline-offset:3px}.guide ol{padding-left:20px}.example-box{padding:22px;border:1px solid var(--border-card);border-radius:12px;margin:24px 0}.example-box strong{display:block;color:var(--text-primary);font-size:24px;margin:10px 0}.calc-footer{padding:28px 0;display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--border-card);font-size:12px;color:var(--text-secondary)}.calc-footer a{color:inherit}.skip-link{position:absolute;top:-80px;left:20px;background:var(--bg-card);padding:12px;z-index:100}.skip-link:focus{top:12px}[hidden]{display:none!important}@media(max-width:760px){.calc-shell{padding:0 18px}.calc-nav{gap:12px}.calc-nav-right{gap:6px}.calc-nav-right>a{display:none}.calc-hero{padding:38px 0 26px}.calculator-grid{grid-template-columns:1fr;gap:20px}.calc-panel{padding:22px}.calc-result{position:static}.trust-line{gap:10px 18px}.result-amount{font-size:36px}.calc-footer{flex-wrap:wrap}}@media(max-width:380px){.field-grid{grid-template-columns:1fr}.languages a{padding:7px}.calc-nav .brand{font-size:20px}}@media print{.calc-nav,.calc-hero,.calc-form,.guide,.calc-footer,.actions,.conversion,.skip-link{display:none!important}.calculator-grid{display:block}.calc-result{position:static;color:#111;background:white;border:1px solid #bbb}.calc-result *{color:#111!important}.calc-shell{max-width:100%;padding:0}.notice,.formula{break-inside:avoid}body{background:white!important}}
.calc-nav-right > a { color: var(--text-secondary); text-decoration: none; font-size: 14px; font-weight: 500; }
.calc-nav-right > a:hover { color: var(--text-primary); }
.calc-hero h1 span { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }