:root{--bg:#f2f3f5;--paper:#fff;--ink:#17191e;--sub:#545a65;--faint:#676d77;--line:#e2e4e8;--line-strong:#ccd0d7;--blue:#2257d6;--blue-dark:#1a45ad;--blue-soft:#eef3fd;--sand:#f5f6f8;--red:#d1342b;--radius:10px;--font:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Pretendard","Noto Sans KR","Malgun Gothic","맑은 고딕",system-ui,sans-serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:90px}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--font);word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:var(--blue);text-underline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:3px solid rgba(34,87,214,.45);outline-offset:2px}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.wrap{width:min(1080px,100% - 40px);margin-inline:auto}
.top{background:var(--paper);border-bottom:1px solid var(--line)}
.top-row{display:flex;align-items:center;height:60px}
.brand{display:flex;align-items:center;gap:9px;color:var(--ink);text-decoration:none;font-size:18px;font-weight:800;letter-spacing:-.3px}
.brand img{display:block;border-radius:8px}
.intro{padding:40px 0 22px;max-width:720px}
.intro h1{font-size:clamp(25px,4vw,34px);line-height:1.3;letter-spacing:-.8px;margin:0 0 10px}
.intro p{margin:0;color:var(--sub)}
.filters{position:sticky;top:0;z-index:5;display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:8px;padding:12px 0;background:rgba(242,243,245,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
input:not([type=checkbox]):not([type=radio]):not([type=color]):not([type=range]),select,textarea{display:block;width:100%;min-width:0;height:48px;padding:0 14px;border:1px solid var(--line-strong);border-radius:8px;background:#fff;font-size:16px;font-weight:500;color:var(--ink);-webkit-appearance:none;appearance:none;transition:border-color .15s}
input:hover,select:hover,textarea:hover{border-color:#adb3bc}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(34,87,214,.14)}
#search{padding-left:42px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23676d77' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E") no-repeat 14px center}
select{padding-right:40px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%23545a65' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 15px center}
textarea{height:auto;min-height:160px;padding:12px 14px;resize:vertical;line-height:1.6}
input[type=checkbox],input[type=radio]{width:20px;height:20px;margin:0;accent-color:var(--blue)}
input[type=color]{width:100%;height:48px;padding:4px;cursor:pointer;border:1px solid var(--line-strong);border-radius:8px;background:#fff}
input[type=range]{width:100%;accent-color:var(--blue)}
.list-head{display:flex;justify-content:space-between;align-items:baseline;padding:18px 0 10px}
.list-head h2{margin:0;font-size:15px;color:var(--sub);font-weight:700}
.list-head span{font-size:13px;color:var(--faint);font-variant-numeric:tabular-nums}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.tool-card{display:flex;align-items:center;gap:14px;min-width:0;padding:14px 40px 14px 16px;position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);color:var(--ink);text-decoration:none;transition:border-color .15s,background .15s}
.tool-card::after{content:"";position:absolute;right:18px;top:50%;width:7px;height:7px;border:solid var(--faint);border-width:2px 2px 0 0;transform:translateY(-50%) rotate(45deg)}
.tool-card:hover{background:#f8f9fa;border-color:var(--line-strong)}
.tool-icon{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:10px;background:var(--blue-soft);font-size:20px}
.tool-card .t{min-width:0}
.tool-card b{display:block;font-size:15px;font-weight:700;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tool-card small{display:block;margin-top:1px;font-size:13px;color:var(--sub)}
#empty{padding:40px 0;color:var(--faint);text-align:center}
#workspace{padding:24px 0 10px}
.back{display:inline-block;font-size:14px;font-weight:600;color:var(--sub);text-decoration:none;padding:6px 0}
.back:hover{color:var(--ink)}
.kicker{margin:14px 0 0;font-size:13px;font-weight:700;color:var(--blue)}
#workspace h1{font-size:clamp(25px,4vw,34px);line-height:1.3;letter-spacing:-.8px;margin:2px 0 20px}
.work-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:20px;align-items:start}
.panel{min-width:0;padding:26px;background:var(--paper);border-radius:var(--radius);box-shadow:0 1px 2px rgba(23,25,30,.06)}
.panel.result{position:sticky;top:16px}
.panel h2{margin:0 0 16px;font-size:18px}
#toolForm{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 16px}
#toolForm label{position:relative;display:flex;flex-direction:column;gap:7px;font-size:14px;font-weight:600;color:#2e333b}
#toolForm label:has(textarea),#toolForm .file-field{grid-column:1/-1}
#toolForm .file-field input{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0;opacity:0}
.file-box{display:flex;align-items:center;gap:12px;min-height:64px;padding:10px 14px;border:1.5px dashed var(--line-strong);border-radius:8px;background:var(--sand);cursor:pointer;transition:border-color .15s,background .15s}
.file-field:hover .file-box{border-color:var(--blue);background:var(--blue-soft)}
.file-field:focus-within .file-box{border-color:var(--blue);box-shadow:0 0 0 3px rgba(34,87,214,.14)}
.file-pick{flex:none;display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:8px;background:var(--blue);color:#fff;font-size:14px;font-weight:700}
.file-info{min-width:0;font-size:14px;font-weight:500;color:var(--sub);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-list{display:flex;flex-wrap:wrap;gap:8px}
.file-list:empty{display:none}
.file-list img{width:64px;height:64px;object-fit:cover;border:1px solid var(--line);border-radius:8px;background:#fff}
#toolForm label:has(input[type=checkbox]){flex-direction:row-reverse;justify-content:flex-end;align-items:center;gap:10px;padding:13px 14px;border:1px solid var(--line);border-radius:8px;font-weight:500;cursor:pointer}
#toolForm label:has(input[type=checkbox]:checked){border-color:var(--blue);background:var(--blue-soft)}
button,.download{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border:1px solid transparent;border-radius:8px;background:var(--blue);color:#fff;font-size:16px;font-weight:700;text-decoration:none;cursor:pointer}
button:hover:not(:disabled),.download:hover{background:var(--blue-dark)}
button:disabled{opacity:.5;cursor:wait}
#run{width:100%;margin-top:22px}
#copy{min-height:38px;padding:0 14px;font-size:14px;font-weight:600;background:#fff;border-color:var(--line-strong);color:var(--ink)}
#copy:hover{background:var(--bg)}
#status{min-height:22px;margin:0 0 10px;font-size:14px;color:var(--sub)}
#error{color:var(--red);font-weight:600;white-space:pre-line}
#error:not(:empty){margin-bottom:10px}
#note{margin:16px 0 0;padding:14px 16px;background:var(--sand);border-left:3px solid var(--line-strong);border-radius:0 8px 8px 0;font-size:14px;color:#4a505a;line-height:1.6;overflow-wrap:anywhere}
#note:empty{display:none}
#result{overflow-wrap:anywhere}
pre{margin:12px 0 0;padding:16px;max-height:520px;overflow:auto;white-space:pre-wrap;word-break:break-word;background:var(--sand);border-radius:8px;font:13px/1.75 ui-monospace,SFMono-Regular,Menlo,monospace}
canvas,#result img,#result video{display:block;max-width:100%;height:auto;margin:12px 0;border:1px solid var(--line);border-radius:8px}
#result button{margin:8px 8px 0 0;min-height:42px;font-size:14px}
#result output{display:block;margin:16px 0;font-size:28px;font-weight:800;letter-spacing:-.6px}
#result .download{margin-top:14px;font-size:14px;min-height:44px}
.comparison{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.swatches{display:flex;flex-wrap:wrap;gap:10px}
.swatches>div{flex:1;min-width:80px}
.swatches span{display:block;min-height:90px;border:1px solid var(--line);border-radius:8px}
.swatches code{display:block;margin:6px 0;font-size:12px}
.result-metrics{margin:0}
.result-metrics>div{padding:14px 0;border-top:1px solid var(--line)}
.result-metrics>div:first-child{border-top:0;padding:18px;margin-bottom:6px;background:var(--blue-soft);border-radius:8px}
.result-metrics dt{font-size:14px;color:var(--sub)}
.result-metrics>div:first-child>dt{color:var(--blue);font-weight:600}
.result-metrics dd{margin:2px 0 0;font-size:22px;font-weight:700;letter-spacing:-.4px;line-height:1.4;font-variant-numeric:tabular-nums}
.result-metrics dd .result-metrics>div:first-child{background:none;padding:10px 0;margin:0}
.result-metrics dd .result-metrics dd{font-size:15px}
.result-list{margin:10px 0 0;padding-left:20px;font-size:15px;line-height:1.8}
.table-scroll{max-width:100%;overflow:auto;margin-top:10px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--sand);font-size:13px;color:var(--sub)}
td .result-list{margin:0;font-size:14px}
.foot{margin-top:56px;padding:26px 0 40px;border-top:1px solid var(--line);font-size:13px;color:var(--faint)}
.foot p{margin:0 0 6px}
.foot a{color:var(--sub);margin-right:16px;text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot .copy{margin-top:12px}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.work-grid{grid-template-columns:1fr}.panel.result{position:static}}
@media(max-width:560px){.wrap{width:calc(100% - 32px)}.top-row{height:56px}.brand{font-size:17px}.intro{padding:24px 0 14px}.intro p{font-size:15px}.filters{grid-template-columns:1fr;gap:6px;padding:10px 0}.filters select{height:44px;font-size:15px}.grid{grid-template-columns:1fr}.tool-card{padding:12px 38px 12px 14px}.panel{padding:20px 16px}#toolForm{grid-template-columns:1fr}.comparison{grid-template-columns:1fr}.foot a{display:inline-block;margin:0 14px 6px 0}#result .download{width:100%}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}