:root{--ink: #273239;--blue: #5c7481;--blue-light: #b9c8ce;--cream: #f3efe7;--paper: #fffdf8;--soft: #69757a;--line: #2732391c;--cta-bg: var(--ink);--cta-text: #fff;--accent: #26418f;--accent-soft: #e2e7f6;--danger: #b3261e;--danger-soft: #f6e2e1}@media (prefers-color-scheme: dark){:root{--ink: #f1ede4;--blue: #93a9b4;--blue-light: #3c4850;--cream: #1a1815;--paper: #242019;--soft: #a8ada6;--line: #ffffff22;--cta-bg: #f1ede4;--cta-text: #1a1815;--accent: #93aef2;--accent-soft: #1e2941;--danger: #f2acac;--danger-soft: #3b2626}}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;line-height:1.6}.page{width:min(760px,calc(100% - 40px));margin:0 auto;padding:48px 0 80px}.header{display:flex;align-items:center;gap:16px;margin-bottom:32px}.header-icon{width:56px;height:56px;object-fit:contain;filter:drop-shadow(0 4px 10px rgba(39,50,57,.16))}.header h1{font-size:26px;letter-spacing:-.03em;margin:0 0 4px}.header-tagline{margin:0;color:var(--soft);font-size:14px}.dropzone{border:1.5px dashed var(--line);border-radius:20px;padding:40px 24px;text-align:center;cursor:pointer;background:var(--paper);transition:border-color .15s ease,background .15s ease}.dropzone-active{border-color:var(--accent);background:var(--accent-soft)}.dropzone-disabled{cursor:default;opacity:.6}.dropzone-icon{width:48px;height:48px;object-fit:contain;margin-bottom:12px}.dropzone-title{margin:0 0 4px;font-weight:700}.dropzone-hint{margin:0;color:var(--soft);font-size:13px}.file-summary{margin-top:16px;padding:12px 16px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}.file-name{margin:0;font-weight:700}.file-meta{margin:2px 0 0;color:var(--soft);font-size:13px}.options-form{display:flex;gap:20px;flex-wrap:wrap;margin-top:20px;align-items:flex-end}.options-field{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:700;color:var(--soft)}.options-input-row{display:flex;align-items:center;gap:8px}.options-input-row input{width:90px;padding:8px 10px;border-radius:10px;border:1px solid var(--line);background:var(--paper);color:var(--ink);font-size:14px}.options-unit{color:var(--soft);font-size:13px}.options-hint{flex-basis:100%;margin:0;color:var(--soft);font-size:12px}.primary-action{margin-top:20px;width:100%;padding:14px;border:none;border-radius:999px;background:var(--cta-bg);color:var(--cta-text);font-size:14px;font-weight:900;cursor:pointer;transition:transform .15s ease,opacity .15s ease}.primary-action:disabled{opacity:.5;cursor:default}.primary-action:not(:disabled):hover{transform:translateY(-2px)}.error-banner{margin-top:16px;padding:12px 14px;border-radius:12px;background:var(--danger-soft);color:var(--danger);font-size:13px}.results{margin-top:32px}.results-summary p{margin:0 0 4px;font-size:14px}.results-warning{color:var(--danger);font-weight:700}.segment-list{list-style:none;margin:16px 0 0;padding:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--paper)}.segment-row{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--line);font-size:13px}.segment-row:last-child{border-bottom:none}.segment-row-oversized{background:var(--danger-soft)}.segment-index{color:var(--soft);font-variant-numeric:tabular-nums}.segment-pages{flex:1}.segment-bytes{color:var(--soft);font-variant-numeric:tabular-nums}.segment-warning{color:var(--danger);font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.06em}.segment-download{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:999px;padding:6px 12px;font-size:12px;font-weight:700;cursor:pointer}.segment-download:hover{background:var(--accent-soft)}.results-actions{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}.secondary-action{flex:1;min-width:180px;padding:12px;border-radius:999px;border:1px solid var(--line);background:var(--paper);color:var(--ink);font-size:13px;font-weight:800;cursor:pointer}.secondary-action:disabled{opacity:.5;cursor:default}.secondary-action:not(:disabled):hover{background:var(--accent-soft);border-color:var(--accent)}