.split-app{padding-top:8px}.split-drop{margin-bottom:26px}.split-document{display:flex;align-items:center;gap:22px;padding:20px 23px;background:var(--surface);border:1px solid var(--border);border-radius:20px;margin-bottom:22px}.source-thumb{width:65px;height:84px;flex-shrink:0;display:grid;place-items:center;background:var(--soft);border-radius:10px;padding:7px;overflow:hidden}.source-thumb>i{font-size:29px;color:var(--brand)}.source-thumb canvas{max-width:100%;max-height:100%;height:auto;box-shadow:0 2px 5px #14234b15}.source-details{flex:1;min-width:0}.source-details h2{margin:5px 0;font-size:16px;overflow-wrap:anywhere;line-height:1.5}.source-details p{font-size:11px;color:var(--muted);margin:4px 0 10px}.split-document .m-pill{font-size:9px}.danger{color:#c34d60}.split-modes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:22px}.split-mode{position:relative;text-align:left;background:var(--surface);border:1.5px solid var(--border);border-radius:19px;padding:23px 21px;min-height:180px;transition:background .25s,border-color .25s,transform .25s;display:flex;flex-direction:column;align-items:flex-start;color:var(--text)}.split-mode:hover{transform:translateY(-3px);border-color:#b5c0ed}.split-mode.active{border-color:var(--brand);background:linear-gradient(145deg,var(--surface),var(--soft));box-shadow:0 7px 22px #5269de0b}.mode-symbol{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--soft);color:var(--brand);font-size:21px;margin-bottom:20px}.mode-number{position:absolute;top:24px;right:20px;color:var(--muted);font-size:10px;opacity:.5;letter-spacing:1px}.split-mode strong{font-size:15px;letter-spacing:-.25px;margin-bottom:8px}.split-mode small{color:var(--muted);font-size:11px;line-height:1.7;max-width:90%}.mode-check{position:absolute;right:17px;bottom:18px;color:var(--brand);opacity:0;transition:opacity .2s}.active .mode-check{opacity:1}.split-settings{padding:22px 25px 25px;background:var(--surface);border:1px solid var(--border);border-radius:19px;margin-bottom:28px}.split-tabs{display:flex;gap:6px;flex-wrap:wrap;padding:5px;background:var(--soft);border-radius:12px;width:fit-content;margin-bottom:24px}.split-tabs button{padding:10px 16px;border:0;border-radius:8px;color:var(--muted);font-size:12px;min-height:40px;font-weight:600;transition:background .2s,color .2s}.split-tabs button[aria-pressed=true]{background:var(--surface);color:var(--brand);box-shadow:0 3px 7px #14234b08}.settings-heading h3{font-size:16px;letter-spacing:-.3px;margin:0 0 7px}.settings-heading p{color:var(--muted);font-size:11px;line-height:1.8;margin:0 0 20px}.range-card{border:1px solid var(--border);border-radius:14px;padding:17px;margin:12px 0;background:var(--bg);animation:merge-reveal .2s ease}.range-card header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:15px}.range-card h4{font-size:12px;margin:0}.range-card header .m-toolbar{gap:4px}.range-card header button{width:34px;padding:6px}.range-fields{display:grid;grid-template-columns:110px 110px minmax(100px,1fr) minmax(100px,1fr);gap:13px}.range-fields input{background:var(--surface)}.range-card .range-footer{font-size:10px;color:var(--muted);display:flex;justify-content:space-between;align-items:center;margin-top:12px;gap:10px}.field-error{font-size:11px;line-height:1.8;color:#c1485a;margin:10px 0 0;min-height:1px}.range-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:17px}.range-actions .quiet{margin-left:auto}.split-note{font-size:11px;color:var(--muted);line-height:1.9;margin:17px 0 0}.split-note.warning{border:1px solid #e7cfa7;border-radius:9px;padding:11px 14px;color:#8a632d;background:#fff9ed}.dark .split-note.warning{color:#dfc79f;background:#302a23;border-color:#5d4a30}.stepper{display:flex;gap:8px;max-width:260px}.stepper input{min-width:50px;text-align:center}.stepper button{flex-shrink:0;min-width:44px}.input-action{display:flex;gap:7px;min-width:0}.input-action>input{min-width:0;flex:1}.size-input{display:flex;gap:8px}.size-input input{flex:1}.size-input select{max-width:90px}.size-slider-label{display:flex;align-items:center;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:11px;margin-top:24px}.size-slider-label input{flex:1;min-width:100px;accent-color:var(--brand)}.size-slider-label output{min-width:55px;color:var(--text);font-weight:650}.selection-toolbar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:25px 0 15px;flex-wrap:wrap}.selection-toolbar>span{color:var(--brand);font-size:12px;font-weight:650}.custom-order{margin-top:20px}.split-page-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}.split-page{position:relative;border:1.5px solid var(--border);border-radius:12px;overflow:hidden;background:var(--bg);cursor:pointer;min-width:0;transition:border-color .2s,background .2s}.split-page.selected{border-color:var(--brand);background:var(--soft)}.split-page:focus-within{outline:3px solid #8294f4;outline-offset:3px}.split-page input{position:absolute;top:10px;right:10px;width:19px;height:19px;accent-color:var(--brand);z-index:1}.split-page .page-paper{height:150px;display:flex;align-items:center;justify-content:center;padding:28px 10px 10px;background:var(--soft)}.split-page canvas{max-width:100%;max-height:100%;height:auto;box-shadow:0 3px 9px #14234b12}.split-page>span{display:block;padding:10px 12px;font-size:10px;text-align:center}.split-page .m-skeleton{width:60%;height:75%;background:var(--surface);border-radius:3px}.split-page .m-skeleton:empty{display:block}.output-preview{margin:25px 0}.output-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.output-card{border:1px solid var(--border);background:var(--surface);padding:18px;border-radius:14px;min-width:0}.output-card .output-icon{color:var(--brand);background:var(--soft);width:32px;height:36px;border-radius:9px;display:grid;place-items:center;font-size:18px;margin-bottom:13px}.output-card .output-label{font-size:9px;letter-spacing:1.3px;color:var(--muted);text-transform:uppercase}.output-card h3{font-size:12px;line-height:1.6;overflow-wrap:anywhere;margin:7px 0}.output-card p{font-size:10px;color:var(--muted);line-height:1.8;margin:5px 0}.output-card .m-toolbar{margin-top:14px;gap:6px}.output-card .m-toolbar .m-btn{font-size:10px}.output-card .exceeds{color:#bf4b5b;font-weight:650}.auto-download{margin-top:17px}.split-results>.output-grid{margin-top:23px}.split-app .merge-summary{margin:15px 0 20px}.split-app .merge-summary strong{font-size:18px}.split-app .merge-summary .summary-estimate{font-size:10px}.split-app .result-stats strong{font-size:20px}.split-app .preview-thumb canvas{min-height:0}.dark .field-error{color:#ff9aab}@media(max-width:1000px){.range-fields{grid-template-columns:1fr 1fr}.split-page-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.split-document{flex-wrap:wrap}.split-document>.m-toolbar{margin-left:auto}.split-mode{padding:20px 16px;min-height:190px}.split-mode small{max-width:100%}.mode-check{bottom:12px;right:12px}.output-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:650px){.split-modes{grid-template-columns:1fr;gap:10px}.split-mode{min-height:0;padding:17px 45px 17px 71px;display:block}.mode-symbol{position:absolute;left:15px;top:16px;width:39px;height:39px;margin:0}.split-mode strong{display:block;font-size:14px;margin-bottom:4px}.split-mode small{display:block;font-size:10px}.mode-number{display:none}.mode-check{top:19px;bottom:auto;right:15px}.split-settings{padding:17px 15px 20px}.split-tabs{width:100%;gap:2px;padding:4px}.split-tabs button{padding:10px 8px;font-size:10px;flex:1;min-height:44px}.range-card{padding:14px 12px}.range-card header{align-items:flex-start}.range-card header h4{padding-top:12px}.range-card header .m-toolbar{gap:2px}.range-card header button{width:36px;padding:5px;min-height:44px}.range-fields{gap:12px}.range-actions .m-btn{flex:1 1 auto;min-height:44px}.range-actions .quiet{margin:0}.split-document{padding:17px 15px;gap:14px}.source-thumb{width:50px;height:65px}.source-details h2{font-size:13px}.split-document>.m-toolbar{width:100%;margin:0;gap:7px}.split-document .m-btn{flex:1;font-size:10px;padding:8px}.source-details p{font-size:10px}.split-page-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.split-page .page-paper{height:115px;padding:27px 7px 8px}.split-page input{width:20px;height:20px;top:7px;right:7px}.split-page>span{padding:9px 5px}.selection-toolbar .m-toolbar{gap:6px}.selection-toolbar .m-btn.small{font-size:10px;min-height:44px;padding:7px 10px}.output-grid{grid-template-columns:1fr 1fr;gap:10px}.output-card{padding:14px 12px}.output-card .m-toolbar .m-btn{flex:1;min-height:44px}.output-card .m-toolbar{flex-direction:column;align-items:stretch}.size-slider-label{gap:10px}.size-slider-label input{width:100%;flex-basis:100%;order:3}.split-app .m-settings-columns{grid-template-columns:1fr;gap:17px}.split-app .merge-action{align-items:stretch}.split-app .result-stats{gap:18px}.split-app .result-stats strong{font-size:18px}.split-app .source-details .m-kicker{font-size:8px}.split-app .m-btn.small{min-height:44px}.split-app .preview-layout{grid-template-columns:1fr}}@media(max-width:360px){.output-grid{grid-template-columns:1fr}.split-page-grid{grid-template-columns:1fr 1fr}.range-card header button{width:32px}.range-fields .m-field{font-size:10px}.split-app .merge-summary strong{font-size:16px}}@media(prefers-reduced-motion:reduce){.split-app *{animation:none!important;transition:none!important}}
.dark .split-app .m-btn.primary{background:#5269de;border-color:#5269de;color:#fff}.dark .split-app .m-btn.primary:hover:not(:disabled){background:#445ac9;border-color:#445ac9}.dark .split-app .danger{color:#ff9aab}