:root{--blue: #1d4ed8;--blue-soft: #eff4ff;--accent: #b00000;--ink: #1a1a1a;--mut: #6b6b6b;--line: #e3e3e3;--bg: #f7f7f8;--card: #ffffff;font-family:Segoe UI,system-ui,-apple-system,sans-serif;color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}button{font:inherit;cursor:pointer}.signin-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:24px}.signin-logo{height:auto;width:240px;margin-bottom:8px}.signin-screen button{margin-top:8px;padding:10px 24px;background:var(--accent);color:#fff;border:none;border-radius:6px;font-weight:600}.app-shell{max-width:960px;margin:0 auto;padding:0 20px 60px}.app-header{display:flex;align-items:center;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--line);margin-bottom:32px}.brand{display:flex;align-items:center;gap:10px;background:none;border:none;font-size:18px;font-weight:700;color:var(--ink)}.brand img{height:auto;width:150px}.account-pill{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--mut)}.account-pill button{background:none;border:1px solid var(--line);border-radius:6px;padding:6px 12px;color:var(--ink)}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}.tool-card{text-align:left;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px;transition:box-shadow .15s ease}.tool-card:hover{box-shadow:0 4px 16px #00000014}.tool-card h2{margin:0 0 8px;font-size:17px;color:var(--accent)}.tool-card p{margin:0;color:var(--mut);font-size:14px}.tool-page{max-width:640px}.back-link{background:none;border:none;color:var(--mut);padding:0;margin-bottom:16px;font-size:14px}.tool-note{color:var(--mut);font-size:14px;margin-top:-8px;margin-bottom:24px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field span{font-size:13px;font-weight:600;color:#37404d}.field input,.field select,.field textarea{width:100%;min-width:0;padding:8px 10px;border:1px solid var(--line);border-radius:6px;font:inherit;background:var(--card);color:var(--ink)}.field input[type=file]{padding:6px}.field.checkbox{flex-direction:row;align-items:center;gap:8px}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}.equipment-table{margin:8px 0 24px}.equipment-header{font-weight:700;color:var(--accent);margin-bottom:8px}.equipment-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,3fr) minmax(0,1.5fr) 28px;gap:8px;margin-bottom:6px}.equipment-row--header span{font-size:12px;font-weight:600;color:var(--mut)}.equipment-row input{padding:6px 8px;border:1px solid var(--line);border-radius:6px;font:inherit}.remove-row{background:none;border:none;color:var(--mut);font-size:18px;line-height:1}button.primary{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:10px 20px;font-weight:600}button.primary:disabled{opacity:.5;cursor:default}button.secondary{background:none;border:1px dashed var(--line);border-radius:6px;padding:6px 14px;color:var(--mut);font-size:13px}.error{color:var(--accent);font-size:14px}.tool-page--wide{max-width:1240px}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:28px;align-items:start}.split__preview{position:sticky;top:16px}.split__preview-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:13px;font-weight:600;color:var(--mut);margin-bottom:8px}.muted-note{font-weight:400;color:var(--mut)}@media(max-width:900px){.split{grid-template-columns:1fr}.split__preview{position:static}}.pdf-frame{border:1px solid var(--line);border-radius:8px;background:var(--card);padding:8px;max-height:80vh;overflow:auto}.pdf-frame--empty{display:grid;place-items:center;aspect-ratio:8.5 / 11;max-height:78vh;border-style:dashed;border-color:#d8dde5;background:#fbfcfd;color:var(--mut);font-size:14px}.pdf-frame--empty p{margin:0;max-width:22ch;text-align:center;line-height:1.5}.pdf-canvas[hidden]{display:none}.pdf-canvas{display:block;width:100%;height:auto;border-radius:4px;box-shadow:0 1px 4px #0000001f}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 1px 3px #0000000d,0 10px 28px #0000000a}.pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}.pos-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.pos-btn{display:flex;align-items:center;justify-content:center;gap:6px;padding:10px 6px;font-size:13px;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:8px}.pos-btn:hover{border-color:#b9c4d4}.pos-btn[aria-pressed=true]{color:var(--blue);background:var(--blue-soft);border-color:var(--blue);font-weight:600}button.block{width:100%;padding:12px 20px;margin-top:4px}.tool-note.tight{margin:8px 0 0}@media(max-width:620px){.pos-grid{grid-template-columns:repeat(2,1fr)}.pair{grid-template-columns:1fr}}.callouts{margin:0 0 20px;padding:14px 16px;border:1px solid var(--line);border-radius:8px;background:#fbfcfd}.callouts .field.checkbox{margin-bottom:0}.callouts__preview{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);font-size:12.5px;line-height:1.5;color:#37404d}.callouts__preview p{margin:0 0 6px}.callouts__body{color:var(--mut);font-style:italic}.tool-note.warn{color:#8a5a00}.button-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.button-row button.secondary{padding:10px 18px}.tool-note.info{color:#1d4ed8}button.link{background:none;border:none;padding:0;font:inherit;color:var(--blue);text-decoration:underline}.snippets{margin:-4px 0 20px}.snippets__label{display:block;font-size:13px;font-weight:600;color:#37404d;margin-bottom:8px}.snippets__row{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:6px 12px;font-size:13px;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:999px}.chip:hover{border-color:var(--blue);color:var(--blue)}.history{margin-top:28px;padding-top:16px;border-top:1px solid var(--line)}.history__head{display:flex;align-items:baseline;justify-content:space-between;font-size:13px;font-weight:600;color:#37404d;margin-bottom:8px}.history ul{list-style:none;margin:0;padding:0}.history li{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;padding:6px 0;border-bottom:1px solid #f0f1f3;font-size:13px}.history li .muted-note{font-size:12.5px}.attachments{margin:0 0 24px}.attach-list{list-style:none;margin:10px 0 0;padding:0}.attach-list li{padding:8px 0;border-bottom:1px solid #f0f1f3}.attach-list__row{display:grid;grid-template-columns:22px minmax(0,1fr) 28px 28px 28px;gap:6px;align-items:center}.attach-list__idx{font-size:12px;font-weight:600;color:var(--mut);text-align:center}.attach-list__row input{width:100%;min-width:0;padding:7px 9px;border:1px solid var(--line);border-radius:6px;font:inherit}.icon-btn{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:5px 0;color:var(--ink);font-size:13px}.icon-btn:disabled{opacity:.35;cursor:default}.attach-list__meta{margin:4px 0 0 28px;font-size:12px;color:var(--mut)}.derived{margin:0;padding:8px 10px;border:1px dashed var(--line);border-radius:6px;background:#fbfcfd;color:var(--ink);font:inherit;min-height:38px}