:root{
  --bg:#0a0e14; --panel:#161b22; --line:#232a35; --fg:#e6edf3;
  --muted:#8b949e; --accent:#58a6ff; --accent2:#a371f7;
  --high:#f85149; --medium:#d29922; --low:#8b949e; --safe:#3fb950;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);line-height:1.6;min-height:100vh;
  font-family:system-ui,-apple-system,"Segoe UI","Noto Sans KR",sans-serif;
  position:relative;overflow-x:hidden}

/* 은은한 배경 오브 (메인 페이지와 통일) */
body::before,body::after{content:"";position:fixed;border-radius:50%;
  filter:blur(90px);opacity:.14;z-index:0;pointer-events:none}
body::before{width:440px;height:440px;background:var(--accent);
  top:-180px;left:-140px;animation:orb1 20s ease-in-out infinite}
body::after{width:400px;height:400px;background:var(--accent2);
  bottom:-180px;right:-140px;animation:orb2 24s ease-in-out infinite}
@keyframes orb1{0%,100%{transform:translate(0,0)}50%{transform:translate(50px,30px)}}
@keyframes orb2{0%,100%{transform:translate(0,0)}50%{transform:translate(-40px,-25px)}}

.wrap{max-width:980px;margin:0 auto;padding:2rem 1.25rem 4rem;position:relative;z-index:1}

/* 도구 페이지 상단 헤더 통일 */
.back{display:inline-flex;align-items:center;gap:.3rem;color:var(--muted);
  text-decoration:none;font-size:.86rem;padding:.3rem .7rem;border-radius:8px;
  border:1px solid transparent;transition:.15s}
.back:hover{color:var(--accent);border-color:var(--line);background:rgba(255,255,255,.03)}
h1{font-size:1.6rem;margin:.6rem 0 .2rem;font-weight:800;letter-spacing:-.01em}
.top{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;flex-wrap:wrap}
.sub{color:var(--muted);font-size:.9rem;margin:0}
h3{font-size:.95rem;margin:0}

/* 검사 위치 토글 */
.mode{display:flex;align-items:center;gap:.35rem;font-size:.83rem}
.seg{background:transparent;border:1px solid var(--line);color:var(--muted);
  padding:.3rem .7rem;border-radius:6px;cursor:pointer;font-size:.83rem}
.seg.on{background:var(--accent);border-color:var(--accent);color:#0d1117;font-weight:600}

.tabs{display:flex;gap:.3rem;border-bottom:1px solid var(--line);margin:1.4rem 0}
.tab{background:none;border:0;border-bottom:2px solid transparent;color:var(--muted);
  padding:.6rem 1rem;cursor:pointer;font-size:.92rem;font-weight:500}
.tab.on{color:var(--fg);border-bottom-color:var(--accent)}
.pane{display:none}.pane.on{display:block}

textarea,input[type=text]{width:100%;background:var(--panel);color:var(--fg);
  border:1px solid var(--line);border-radius:8px;padding:.85rem;
  font-family:ui-monospace,Menlo,monospace;font-size:.9rem}
textarea{min-height:190px;resize:vertical}
.pwarea{min-height:110px}
textarea:focus,input:focus{outline:none;border-color:var(--accent)}

.row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center;margin:.8rem 0}
.btn{background:var(--accent);color:#0a0e14;border:0;border-radius:8px;
  padding:.55rem 1.2rem;font-weight:600;cursor:pointer;font-size:.9rem;transition:.15s}
.btn:hover{filter:brightness(1.1);box-shadow:0 4px 16px -4px var(--accent)}
.ghost{background:transparent;color:var(--fg);border:1px solid var(--line);
  border-radius:6px;padding:.5rem 1rem;cursor:pointer;font-size:.88rem}
.ghost:hover{border-color:var(--accent)}
button:disabled{opacity:.5;cursor:not-allowed}
.link{color:var(--accent);cursor:pointer;text-decoration:underline}

.card{background:rgba(22,27,34,.65);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:12px;padding:1.1rem;margin-top:1rem}
.head{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.banner{display:flex;align-items:center;gap:.6rem;font-weight:600}
.dot{width:10px;height:10px;border-radius:50%;flex:0 0 auto}
.chips{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:.7rem}
.chip{background:#21262d;border:1px solid var(--line);border-radius:999px;
  padding:.15rem .7rem;font-size:.8rem;color:var(--muted)}

table{width:100%;border-collapse:collapse;margin-top:.6rem;font-size:.87rem}
th,td{text-align:left;padding:.5rem .4rem;border-bottom:1px solid var(--line);
  vertical-align:top}
th{color:var(--muted);font-weight:500;font-size:.8rem}
td.mono{font-family:ui-monospace,Menlo,monospace;word-break:break-all}
.scroll{overflow-x:auto}

.sev{font-size:.75rem;padding:.1rem .5rem;border-radius:4px;white-space:nowrap}
.sev.high{background:rgba(248,81,73,.15);color:var(--high)}
.sev.medium{background:rgba(210,153,34,.15);color:var(--medium)}
.sev.low{background:rgba(139,148,158,.15);color:var(--low)}
.badge{font-size:.72rem;color:var(--muted)}
.muted{color:var(--muted);font-size:.85rem}

pre{background:#0b0f14;border:1px solid var(--line);border-radius:6px;padding:.8rem;
  overflow-x:auto;font-size:.85rem;white-space:pre-wrap;word-break:break-all;margin:.6rem 0 0;
  font-family:ui-monospace,Menlo,monospace}

/* 원문 하이라이트 */
mark{border-radius:3px;padding:.05rem .15rem;cursor:help;color:#fff}
mark.high{background:rgba(248,81,73,.35);box-shadow:inset 0 -2px 0 var(--high)}
mark.medium{background:rgba(210,153,34,.3);box-shadow:inset 0 -2px 0 var(--medium)}
mark.low{background:rgba(139,148,158,.25);box-shadow:inset 0 -2px 0 var(--low)}

.viewtabs{display:flex;gap:.3rem}
.vt{background:transparent;border:1px solid var(--line);color:var(--muted);
  border-radius:6px;padding:.25rem .7rem;cursor:pointer;font-size:.8rem}
.vt.on{color:var(--fg);border-color:var(--accent)}

/* 탐지 유형 선택 */
.opts{background:var(--panel);border:1px solid var(--line);border-radius:8px;
  padding:.6rem .9rem;margin-bottom:.8rem}
.opts summary{cursor:pointer;font-size:.88rem;color:var(--fg)}
.kinds{display:flex;flex-wrap:wrap;gap:.5rem .9rem;margin-top:.7rem}
.kinds label{font-size:.85rem;color:var(--muted);display:flex;align-items:center;gap:.3rem;cursor:pointer}
.kinds input{accent-color:var(--accent)}

/* 파일 드롭 */
.drop{border:1.5px dashed var(--line);border-radius:10px;padding:2.2rem 1rem;
  text-align:center;transition:.15s;background:var(--panel)}
.drop.over{border-color:var(--accent);background:rgba(88,166,255,.07)}

.note{border-left:2px solid var(--accent);padding:.1rem 0 .1rem .8rem;
  color:var(--muted);font-size:.84rem;margin:1.2rem 0 0}
.big{font-size:1.4rem;font-weight:700;margin:.4rem 0 0}
.foot{margin-top:2.5rem;padding-top:1rem;border-top:1px solid var(--line);
  color:var(--muted);font-size:.8rem}
.foot a{color:var(--muted)}
.meter{height:5px;background:#21262d;border-radius:99px;overflow:hidden;margin-top:.4rem;max-width:160px}
.meter > i{display:block;height:100%;transition:width .3s,background .3s}

/* 사용자 정의 규칙 */
.crow{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;margin-top:.6rem}
.crow input[type=text]{flex:1 1 190px;min-width:150px;padding:.45rem .6rem;font-size:.85rem}
.crow select{background:var(--panel);color:var(--fg);border:1px solid var(--line);
  border-radius:6px;padding:.45rem .5rem;font-size:.85rem}
.crule{display:flex;align-items:center;gap:.6rem;padding:.4rem 0;
  border-bottom:1px solid var(--line);font-size:.85rem;flex-wrap:wrap}
.crule code{font-family:ui-monospace,Menlo,monospace;color:var(--muted);
  background:#0b0f14;padding:.1rem .4rem;border-radius:4px;word-break:break-all}
.crule .del{margin-left:auto;background:none;border:0;color:var(--muted);
  cursor:pointer;font-size:1rem;padding:0 .3rem}
.crule .del:hover{color:var(--high)}
.live{font-size:.85rem;color:var(--muted);display:flex;align-items:center;gap:.3rem;cursor:pointer}
.live input{accent-color:var(--accent)}

#offline{background:rgba(210,153,34,.15);color:var(--medium);
  padding:.1rem .55rem;border-radius:4px;margin-right:.4rem}

/* 키보드 포커스를 항상 보이게 (마우스 클릭 시에는 표시 안 함) */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

/* 좁은 화면 대응 */
@media (max-width: 640px){
  .wrap{padding:1.2rem .9rem 3rem}
  h1{font-size:1.25rem}
  .top{flex-direction:column;align-items:stretch;gap:.6rem}
  .mode{justify-content:flex-start}
  .tabs{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .tab{padding:.55rem .7rem;font-size:.86rem;white-space:nowrap}
  textarea{min-height:150px;font-size:16px}   /* iOS 자동 확대 방지 */
  input[type=text]{font-size:16px}
  .crow{flex-direction:column;align-items:stretch}
  .crow input[type=text],.crow select,.crow button{width:100%}
  .drop{padding:1.6rem .8rem}
  table{font-size:.82rem}
  .head{flex-direction:column;align-items:flex-start;gap:.5rem}
  .viewtabs{width:100%;overflow-x:auto}
}

/* 애니메이션을 줄이도록 설정한 사용자 존중 */
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important}
}

/* 재식별 위험 게이지 */
.gauge{height:10px;background:#21262d;border-radius:99px;overflow:hidden;margin:.6rem 0}
.gauge > i{display:block;height:100%;transition:width .4s}
.qi{display:inline-flex;align-items:center;gap:.3rem;background:#21262d;
  border:1px solid var(--line);border-radius:6px;padding:.15rem .6rem;font-size:.82rem;margin:.2rem .3rem .2rem 0}
.qi.sens{border-color:var(--high);color:var(--high)}

/* 레드팀 리포트 */
.rt-score{display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap}
.rt-num{font-size:2.4rem;font-weight:800;line-height:1}
.rt-scenario{counter-reset:step;list-style:none;padding:0;margin:.6rem 0 0}
.rt-scenario li{counter-increment:step;position:relative;padding:.5rem 0 .5rem 2.2rem;
  border-bottom:1px solid var(--line)}
.rt-scenario li::before{content:counter(step);position:absolute;left:0;top:.45rem;
  width:1.5rem;height:1.5rem;border-radius:50%;background:var(--high);color:#fff;
  display:grid;place-items:center;font-size:.8rem;font-weight:700}
.rt-cat{margin-top:1rem}
.rt-cat h4{margin:0 0 .4rem;font-size:.9rem;display:flex;align-items:center;gap:.5rem}
.impact{font-size:.7rem;padding:.1rem .45rem;border-radius:4px;font-weight:600}
.impact.i3{background:rgba(248,81,73,.15);color:var(--high)}
.impact.i2{background:rgba(210,153,34,.15);color:var(--medium)}
.impact.i1{background:rgba(139,148,158,.15);color:var(--low)}
.act{display:flex;gap:.5rem;padding:.4rem 0;border-bottom:1px solid var(--line);align-items:flex-start}
.act .u{font-size:.7rem;padding:.1rem .45rem;border-radius:4px;white-space:nowrap;
  background:rgba(248,81,73,.15);color:var(--high);font-weight:600}
.act .u.no{background:#21262d;color:var(--muted)}

/* 도구 페이지 그라데이션 제목 */
h1.grad{background:linear-gradient(120deg,#fff 30%,var(--accent) 75%,var(--accent2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}