.container--isbn{max-width:1040px}.isbn-intro{background:linear-gradient(135deg,#edf8f5 0%,#f2f5ff 100%);border:1px solid #c9e1db}.isbn-workspace{display:grid;grid-template-columns:minmax(0,.92fr) minmax(360px,1.08fr);gap:1.2rem;align-items:start;margin-top:1.25rem}.isbn-panel{min-width:0;border:1px solid #d3e1dd;border-radius:18px;background:#fff;box-shadow:0 12px 30px rgba(23,54,49,.07);padding:1.25rem}.isbn-panel h2{margin:0 0 1rem}.isbn-field{display:grid;gap:.55rem}.isbn-field label{font-weight:800;color:#173a35}.isbn-field input{width:100%;min-height:48px;border:1px solid #89aaa2;border-radius:10px;background:#fff;color:#173a35;padding:.7rem .8rem;font:inherit;font-size:1.05rem}.isbn-field input:focus-visible{outline:3px solid #efb15e;outline-offset:2px}.isbn-help,.isbn-note,.isbn-status{color:#526963;font-size:.92rem}.isbn-error{min-height:1.5rem;margin:.55rem 0 0;color:#a22727;font-weight:750}.isbn-actions,.isbn-result-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1rem}.isbn-actions .button,.isbn-result-actions .button{min-height:44px}.isbn-result-panel{background:linear-gradient(150deg,#153f39 0%,#245e54 100%);color:#fff}.isbn-result-panel h2{color:#fff}.isbn-empty,.isbn-guidance{margin:0;border:1px dashed rgba(255,255,255,.4);border-radius:12px;padding:1rem;color:#e5f2ef}.isbn-guidance{font-weight:700}.isbn-result{min-width:0}.isbn-result[data-state="invalid"] .isbn-result-value{border-color:#f7c276}.isbn-result-headline{margin:0;color:#fff;font-size:1.12rem;font-weight:800}.isbn-result-value{margin:.8rem 0 1rem;border:1px solid rgba(255,255,255,.34);border-radius:12px;background:rgba(255,255,255,.1);padding:.85rem;color:#fff;font-size:clamp(1.25rem,4vw,1.8rem);font-weight:900;letter-spacing:.04em;overflow-wrap:anywhere;word-break:break-all}.isbn-details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem;margin:0}.isbn-details div{min-width:0;border-top:1px solid rgba(255,255,255,.24);padding-top:.65rem}.isbn-details dt{color:#cae5df;font-size:.84rem}.isbn-details dd{margin:.2rem 0 0;color:#fff;font-weight:800;overflow-wrap:anywhere;word-break:break-all}.isbn-result-panel .button--secondary{background:#fff;color:#173f39;border-color:#fff}.isbn-result-panel .button:disabled{opacity:.48;cursor:not-allowed}.isbn-result-panel .isbn-note,.isbn-result-panel .isbn-status{color:#e2f1ed}.isbn-guide{margin-top:1.25rem}.isbn-guide code{white-space:normal;overflow-wrap:anywhere}.isbn-faq details{border-top:1px solid #d8e4e1;padding:.8rem 0}.isbn-faq summary{cursor:pointer;font-weight:800}.isbn-faq p{margin:.55rem 0 0}
@media(max-width:780px){.isbn-workspace{grid-template-columns:1fr}}
@media(max-width:640px){.container--isbn{padding-left:14px;padding-right:14px}.isbn-panel{padding:1rem;border-radius:14px}.isbn-details{grid-template-columns:1fr}.isbn-actions,.isbn-result-actions{display:grid;grid-template-columns:1fr}.isbn-actions .button,.isbn-result-actions .button{width:100%;min-height:48px}}