:root{color-scheme:light;--navy:#173c42;--teal:#147d73;--bg:#f4f6f4;--line:#dce4e0;--muted:#627471}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--navy);font:16px/1.65 'Malgun Gothic','Apple SD Gothic Neo',sans-serif}header{background:#fff;border-bottom:1px solid var(--line);padding:18px max(24px,calc((100vw - 1180px)/2));display:flex;align-items:center;gap:24px}header>span{margin-left:auto;font-size:14px}header form{margin:0}.brand{font-size:19px;font-weight:800;text-decoration:none;white-space:nowrap}.brand-icon{display:inline-grid;place-items:center;background:var(--teal);color:#fff;width:32px;height:32px;border-radius:10px;margin-right:7px}nav{display:flex;gap:28px;max-width:1180px;padding:18px 24px;margin:auto;overflow:auto;white-space:nowrap}nav a{text-decoration:none;font-size:14px}main{max-width:1180px;margin:30px auto;padding:0 24px;min-height:65vh}h1{font-size:32px;line-height:1.4;letter-spacing:-1px;margin:8px 0 18px}h2{font-size:21px;line-height:1.5;margin:0 0 16px}h3{font-size:17px}p{margin:12px 0}a{color:var(--teal)}.card{padding:28px;background:white;border:1px solid var(--line);border-radius:16px;margin-bottom:22px}.login{max-width:500px;margin:55px auto;padding:40px}.login h1{font-size:35px}.eyebrow{letter-spacing:2px;color:var(--teal);font-size:12px;font-weight:800}.muted{color:var(--muted)}.small,small{font-size:12px}label{display:block;font-size:14px;font-weight:600;margin:14px 0}input,select,textarea{display:block;width:100%;padding:12px;border:1px solid #bdcfca;border-radius:8px;font:inherit;background:#fff;color:var(--navy);margin-top:6px}textarea{resize:vertical}.check{display:flex;align-items:center;gap:10px}.check input{width:20px;height:20px;margin:0}button,.button{display:inline-block;border:1px solid #bdcfca;border-radius:8px;background:white;color:var(--navy);padding:11px 18px;font:inherit;font-size:14px;cursor:pointer;text-decoration:none;font-weight:600}.primary{background:var(--teal);border-color:var(--teal);color:white}.full{width:100%;margin-top:16px}.quiet{border-color:transparent;background:transparent;padding:6px}.danger{color:#a63131}.actions{display:flex;gap:10px;flex-wrap:wrap}.notice{padding:16px 22px;border-radius:10px;margin-bottom:20px;background:#e7efeb}.success{background:#eaf6ef;border-color:#b5d8c3}.error{color:#a63131}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.stats strong{display:block;font-size:40px}.stats small{font-size:16px;font-weight:400}.filter{display:flex;align-items:end;gap:12px;margin:20px 0}.filter label{margin:0;width:130px}.filter button{height:49px}.month-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.month{margin:0 0 8px}.month-title{display:flex;align-items:center;justify-content:space-between}.month-title h2{font-size:30px;margin:0}.badge{display:inline-block;border-radius:20px;padding:3px 10px;background:#e0f2ea;color:#216e55;font-size:12px}.pending{background:#f3eee1;color:#806b37}details{margin:16px 0}summary{cursor:pointer}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:16px 12px;vertical-align:middle}th{background:#f3f7f5;font-size:12px;white-space:nowrap}.signature-thumb{width:140px;height:60px;object-fit:contain}.employee-form{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;align-items:end}.employee-form button{margin-bottom:14px}.pdf-viewer{display:block;border:1px solid var(--line);width:100%;height:75vh;margin-top:20px;border-radius:8px}.material-image{max-width:100%;display:block;margin:20px auto}.prewrap{white-space:pre-wrap;overflow-wrap:anywhere}.step{display:block;color:var(--teal);font-size:12px;font-weight:700;margin-bottom:12px}#signature-canvas{display:block;width:100%;max-width:700px;aspect-ratio:1000/360;background:#fff;border:2px dashed #9dbab1;border-radius:12px;touch-action:none;cursor:crosshair}.version{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding:12px 0}footer{text-align:center;font-size:12px;color:var(--muted);padding:36px 24px}button:disabled{opacity:.5;cursor:wait}:focus-visible{outline:3px solid #e6b741;outline-offset:3px}@media(max-width:850px){.month-grid{grid-template-columns:repeat(2,1fr)}.employee-form{grid-template-columns:1fr 1fr}}@media(max-width:600px){header{padding:14px 16px;gap:10px;flex-wrap:wrap}header>span{font-size:12px}.brand{font-size:16px}nav{gap:20px;padding:12px 16px}main{padding:0 16px;margin:22px auto}h1{font-size:26px}.card{padding:20px;border-radius:12px}.login{margin:25px auto;padding:26px}.login h1{font-size:30px}.stats{gap:8px}.stats .card{padding:14px}.stats strong{font-size:30px}.stats span{font-size:12px}.month-grid,.employee-form{grid-template-columns:1fr}.filter label{width:110px}.pdf-viewer{height:55vh}.actions .button{flex:1;text-align:center;white-space:nowrap}}