/* Isolated calculator layout; shared site styles and calculation core stay unchanged. */
.calc-page{background:#f4f8fb;color:#18364c;overflow-x:clip}.calc-page *{box-sizing:border-box}.calc-main{width:100%;max-width:none;margin:0;padding:0}.calc-page .wrap{width:100%;max-width:1060px;margin-inline:auto;padding-inline:24px;min-width:0}
.calc-hero{background:#0b293f;color:#fff;padding:20px 0 42px}.calc-breadcrumb{display:flex;gap:10px;align-items:center;font-size:13px;margin-bottom:24px;color:#b4cddd}.calc-breadcrumb a{text-decoration:underline}.calc-label{color:#70dedb;font-size:14px;font-weight:700}.calc-hero h1{font-size:clamp(30px,4vw,46px);line-height:1.45;color:#fff;margin:10px 0 12px;font-weight:850}.calc-hero h1 span{color:#74e3dd}.calc-hero p{max-width:620px;color:#d4e3ed;font-size:16px;line-height:1.9;margin:0}
.calc-content{padding-top:26px;padding-bottom:46px}.bc-choice h2,.bc-input-card>h2,.bc-result-card>h2{font-size:19px;font-weight:800;display:flex;align-items:center;gap:10px;margin:0 0 20px;color:#15374b}.bc-step{display:inline-flex;align-items:center;justify-content:center;background:#e1f3f3;color:#14676e;border-radius:50%;width:30px;height:30px;flex:none;font:700 15px Arial}.bc-utilities{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:24px}.bc-utilities button{display:flex;align-items:center;justify-content:center;gap:9px;min-height:64px;border:1px solid #ccdce4;border-radius:14px;background:#fff;color:#294959;font:700 18px inherit;font-family:inherit;font-size:18px;font-weight:700;cursor:pointer;padding:10px}.bc-utilities button[aria-pressed=true]{border:2px solid #15818b;color:#09606a;background:#e8f8f6}.bc-utilities button span{font-size:23px}
.bc-choice{padding:0;margin:0}.bc-workspace{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px;align-items:start}.bc-input-card,.bc-result-card,.bc-compare,.bc-reference,.bc-faq{min-width:0;background:#fff;border:1px solid #d7e3eb;border-radius:20px;padding:26px;box-shadow:0 8px 25px #122e4406}.bc-result-card{position:sticky;top:24px;scroll-margin-top:20px}.bc-result-card>h2{margin-bottom:24px}.bc-input-card h3{font-size:17px;margin:18px 0 12px;color:#204b60}.bc-input-card>section{padding:0;margin:0}.bc-input-card section+section{border-top:1px solid #e4ecf1;margin-top:25px;padding-top:18px}.bc-breakdown>section{padding:0}
.bc-field{display:block;font-weight:700;font-size:15px;line-height:1.7;margin:15px 0;color:#244352;min-width:0}.bc-field input[type=text],.bc-field select{display:block;width:100%;min-width:0;max-width:100%;height:54px;padding:11px 14px;border:1px solid #b7cbd7;border-radius:11px;background:#fff;color:#14364b;font-family:inherit;font-size:18px;line-height:1.5;margin-top:8px}.bc-field input::placeholder{color:#8295a3;font-size:16px}.bc-field input:focus,.bc-field select:focus{outline:3px solid #0c8b9850;outline-offset:2px;border-color:#0c8b98}.bc-field small{display:block;font-size:13px;font-weight:400;color:#607888;line-height:1.8;margin-top:6px}.bc-field input.invalid{border-color:#b3261e;background:#fff7f6}.bc-field small.bc-err{color:#b3261e;font-weight:700}
.bc-mode{display:flex;gap:4px;border-radius:11px;background:#f0f5f8;padding:4px;margin-bottom:18px}.bc-mode button{min-height:46px;padding:8px;flex:1;min-width:0;font:700 14px Arial;font-family:inherit;cursor:pointer;border:0;border-radius:8px;background:transparent;color:#526e80}.bc-mode button[aria-pressed=true]{color:#0d5f68;background:#fff;box-shadow:0 2px 6px #16364414}.bc-check{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:650;line-height:1.7;margin:18px 0}.bc-check input{width:21px;height:21px;flex:none;accent-color:#0c7c87}.bc-more{border:1px solid #dce7ed;border-radius:11px;padding:0 14px;margin:18px 0 10px}.bc-more summary,.bc-fee summary{font-weight:700;font-size:14px;cursor:pointer;color:#1b6476;padding:14px 0;min-height:48px}.bc-more summary span{display:block;color:#6a8290;font-size:12px;font-weight:400;margin-top:3px}.bc-assumptions{font-size:12px;line-height:1.9;color:#587382;margin:10px 0 20px}.bc-derived{font-size:13px;line-height:1.7;color:#0d6c76}.bc-btn{border:0;font-family:inherit;font-size:18px;font-weight:800;cursor:pointer;border-radius:12px;padding:13px 18px;min-height:55px}.bc-primary{width:100%;background:#0e7883;color:#fff;display:flex;justify-content:space-between;align-items:center;box-shadow:0 5px 14px #0e788326}.bc-primary:hover{background:#09656f}.bc-reset{display:block;margin:13px auto 0;min-height:44px;border:0;padding:8px;background:none;color:#5d788a;font-family:inherit;font-size:13px;text-decoration:underline;cursor:pointer}
.bc-empty,.bc-hint{font-size:15px;line-height:1.9;color:#67818f;margin:32px 0}.bc-total-label{color:#476879;font-size:16px;margin:0}.bc-amount{color:#0b6271;line-height:1.4;margin:12px 0 4px}.bc-amount b{font:800 clamp(34px,4vw,48px) Arial;overflow-wrap:anywhere;direction:ltr;unicode-bidi:isolate;display:inline-block}.bc-amount span{font-size:17px;color:#547586}.bc-tax{font-size:13px;color:#678390;margin:0}.bc-result-period{font-size:12px;background:#f0f7fa;border-radius:8px;padding:10px;color:#557688;line-height:1.8;margin:22px 0}.bc-split{margin-top:20px}.bc-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:11px 0;border-bottom:1px solid #edf2f5;font-size:14px;line-height:1.7}.bc-row b{font-family:Arial,sans-serif;white-space:nowrap;color:#214354;direction:rtl;font-size:15px}.bc-row small{font-family:Arial,sans-serif;font-size:12px;font-weight:400}.bc-total,.bc-sub{background:#f2f9f9;border-radius:8px;padding:10px;margin-top:8px}.bc-note{font-size:13px;line-height:1.9;color:#5f7c8d}.bc-breakdown{margin-top:20px;border-top:1px solid #dce8ed}.bc-breakdown summary{cursor:pointer;min-height:48px;padding:15px 0;font-size:14px;font-weight:700;color:#156a77}.bc-breakdown h3{font-size:15px;margin:15px 0 0}.bc-breakdown section+section{margin-top:22px}.bc-compare{margin-top:24px}.bc-compare>summary,.bc-reference>summary{cursor:pointer;font-size:16px;font-weight:750;min-height:38px;color:#244e63}.bc-compare>summary span{font-size:12px;color:#7b919d;font-weight:400;margin-inline-start:6px}.bc-verdict{background:#eff8f4;color:#255d4c;padding:14px;border-radius:10px;font-size:14px;line-height:1.8}.bc-reference{margin:20px 0}.bc-reference .bc-sources{padding:16px 0 0}.bc-sources h2{display:none}.bc-sources ul{padding-right:20px;font-size:13px;line-height:2}.bc-sources a{color:#236f8a;text-decoration:underline;overflow-wrap:anywhere}.bc-disclaimer{font-size:12px;color:#647987;line-height:1.9;margin:22px 0}.bc-faq h2{font-size:18px;margin-top:0}.bc-faq details{border-top:1px solid #e5edf2;padding:14px 0}.bc-faq summary{font-size:14px;font-weight:650;cursor:pointer;line-height:1.8}.bc-faq p{font-size:13px;color:#607b8a;line-height:1.9}
.calc-page [hidden]{display:none!important}.calc-page button:focus-visible,.calc-page summary:focus-visible,.calc-page a:focus-visible{outline:3px solid #dd8a24;outline-offset:3px}.calc-page #result-title:focus{outline:none}
@media(max-width:800px){.calc-page .wrap{padding-inline:18px}.calc-hero{padding-bottom:28px}.calc-hero h1{font-size:31px}.calc-hero p{font-size:14px}.bc-workspace{grid-template-columns:minmax(0,1fr);gap:18px}.bc-result-card{position:static}.bc-input-card,.bc-result-card,.bc-compare,.bc-reference,.bc-faq{padding:20px;border-radius:16px}.bc-utilities{gap:8px}.bc-utilities button{min-height:57px;font-size:15px;gap:5px;padding:8px}.bc-utilities button span{font-size:19px}.calc-breadcrumb{margin-bottom:18px}.bc-choice h2{font-size:18px}.bc-mode button{font-size:13px}.bc-amount b{font-size:42px}}
@media(max-width:380px){.calc-page .header-inner{padding-left:.7rem;padding-right:.7rem;gap:.5rem}.calc-page .brand-name small{display:none}.calc-page .telegram.compact{padding:.4rem .65rem;font-size:.8rem}.calc-page .wrap{padding-inline:14px}.bc-input-card,.bc-result-card,.bc-compare,.bc-reference,.bc-faq{padding:16px}.bc-utilities button{font-size:14px}.bc-utilities button span{font-size:16px}.bc-row{font-size:12px;gap:6px}.bc-row b{font-size:14px}}
@media(max-width:340px){.calc-page .brand{gap:.4rem}.calc-page .brand-name strong{font-size:.95rem}.bc-mode{flex-direction:column}.bc-utilities button{flex-direction:column;gap:2px;font-size:13px}.bc-amount b{font-size:36px}}
@media(max-width:315px){.calc-page .brand-name{display:none}.calc-page .telegram.compact{padding:.35rem .55rem}}
@media(prefers-reduced-motion:reduce){.calc-page *{scroll-behavior:auto!important}}