:root{--bg:#f6f7f9;--panel:#fff;--text:#1d2330;--muted:#667085;--border:#d9dee7;--accent:#2f5fb3;--accent-soft:#e8effb;--ok:#1f7a46;--ok-soft:#e6f4ec;--warn:#8a5a00;--warn-soft:#fff4dc;--err:#b42318;--err-soft:#fdecea;--cell-bg:#eef1f5;color:var(--text);background:var(--bg);font-family:system-ui,-apple-system,Apple SD Gothic Neo,Malgun Gothic,Noto Sans KR,sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#12151b;--panel:#1b1f27;--text:#e6e9ef;--muted:#9aa3b2;--border:#2e3440;--accent:#7aa2f7;--accent-soft:#1f2a40;--ok:#6fd39b;--ok-soft:#15301f;--warn:#f5c76a;--warn-soft:#33290f;--err:#ff8a80;--err-soft:#3a1a18;--cell-bg:#262b35}}*{box-sizing:border-box}body{background:var(--bg);margin:0}.app{max-width:1400px;margin:0 auto;padding:16px}.app-header h1{margin:0 0 4px;font-size:1.6rem}.app-header p{color:var(--muted);margin:0 0 16px}.layout{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start;gap:16px;display:grid}@media (width<=960px){.layout{grid-template-columns:minmax(0,1fr)}}.panel{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px}.panel h2{margin:0 0 12px;font-size:1.15rem}h3{margin:20px 0 8px;font-size:1.02rem}fieldset{border:1px solid var(--border);border-radius:8px;min-width:0;margin:0 0 12px;padding:10px 12px 12px}legend{padding:0 4px;font-weight:600}label{flex-direction:column;gap:4px;margin-bottom:8px;font-size:.92rem;display:flex}input,select,button{font:inherit;color:var(--text);background:var(--panel);border:1px solid var(--border);border-radius:6px;min-width:0;padding:6px 8px}input:focus,select:focus,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}button{cursor:pointer}button:hover{background:var(--accent-soft)}.segmented{flex-wrap:wrap;gap:8px;display:flex}.segmented label{border:1px solid var(--border);cursor:pointer;border-radius:6px;flex-direction:row;align-items:center;margin:0;padding:6px 10px}.segmented label.active{border-color:var(--accent);background:var(--accent-soft);font-weight:600}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{border-bottom:1px solid var(--border);text-align:left;white-space:nowrap;padding:5px 6px}thead th{color:var(--muted);font-size:.82rem;font-weight:600}.class-input input{width:5.5em}.weight-cell{gap:4px;display:flex}.weight-cell input{width:3.5em}.swatch{vertical-align:baseline;border-radius:2px;width:10px;height:10px;margin-right:6px;display:inline-block}small{color:var(--muted);font-weight:400}.row-actions{gap:8px;margin-top:10px;display:flex}.hint{color:var(--muted);margin:8px 0 0;font-size:.85rem}.boundary-help{padding-left:18px}.alert{border-radius:8px;margin-bottom:12px;padding:10px 12px}.alert p,.alert ul{margin:4px 0 0}.alert.error{background:var(--err-soft);color:var(--err)}.alert.warn{background:var(--warn-soft);color:var(--warn)}.verify{border-radius:8px;margin-bottom:12px;padding:8px 12px;font-size:.9rem}.verify.ok{background:var(--ok-soft);color:var(--ok)}.verify.bad{background:var(--err-soft);color:var(--err)}.totals{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:0;display:grid}@media (width<=560px){.totals{grid-template-columns:repeat(2,minmax(0,1fr))}}.totals div{background:var(--bg);border-radius:8px;padding:8px 10px}.totals dt{color:var(--muted);font-size:.8rem}.totals dd{font-variant-numeric:tabular-nums;margin:2px 0 0;font-size:1.1rem;font-weight:600}.instruction-target{font-variant-numeric:tabular-nums;font-size:1.25rem;font-weight:700}.instruction.big{background:var(--accent-soft);border-radius:10px;flex-direction:column;gap:4px;margin-top:16px;padding:16px;display:flex}.instruction.big .instruction-target{font-size:1.8rem}.instruction-sub{color:var(--muted)}.work-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.work-card{border:1px solid var(--border);border-left:6px solid var(--accent);border-radius:8px;padding:10px 12px}.work-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:4px 12px;display:flex}.work-code{font-size:1.05rem;font-weight:700}.work-detail{color:var(--muted);margin:6px 0 0;padding-left:18px;font-size:.88rem}.work-detail .work-note{color:var(--warn);background:var(--warn-soft);border-radius:6px;margin:4px 0 0 -18px;padding:6px 8px;list-style:none}.inline-action{margin-top:4px;padding:3px 8px;font-size:.85rem}.work-detail b{color:var(--text);font-weight:600}.detail td,.detail th{font-variant-numeric:tabular-nums}.detail .strong{font-weight:700}.detail tr.muted{color:var(--muted)}.shelf-map{grid-template-columns:repeat(10,minmax(0,1fr));gap:3px;display:grid}.cell{background:var(--cell-bg);border-radius:3px;height:26px;position:relative;overflow:hidden}.cell .seg{position:absolute;top:4px;bottom:0}.cell-no{color:var(--muted);z-index:1;font-size:8px;line-height:1;position:absolute;top:0;left:2px}.cell-plan{margin-top:10px}.cell-plan summary{cursor:pointer;color:var(--accent)}.cell-plan td{white-space:normal}.app-footer{color:var(--muted);margin-top:16px;font-size:.82rem}