:root{
  --bg:#ffffff;
  --fg:#000000;
  --muted:#6b6b6b;
  --line:#d6d6d6;
  --surface:#f4f4f4;
  --accent:#ac0013;
  --accent-tint:#fbe9eb;
  --radius:999px;
  --font:"Inter","Apple SD Gothic Neo","Malgun Gothic",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --shadow:0 1px 2px rgba(0,0,0,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--fg);
  font-family:var(--font);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}

/* nav */
.nav{height:64px;border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:10}
.nav-inner{max-width:1160px;margin:0 auto;height:100%;padding:0 20px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;letter-spacing:-.02em}
.brand-mark{width:22px;height:22px;border-radius:50%;background:var(--accent);box-shadow:inset 0 0 0 4px #fff, 0 0 0 1px var(--accent)}
.brand-dot{color:var(--accent)}
.nav-links{display:flex;gap:22px;color:var(--muted);font-weight:500;font-size:15px}
.nav-links a:hover{color:var(--fg)}

/* hero */
.hero{max-width:1160px;margin:0 auto;padding:64px 20px 40px;text-align:center}
.badge{display:inline-block;background:var(--accent-tint);color:var(--accent);font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--radius)}
h1{font-size:52px;font-weight:800;letter-spacing:-.03em;line-height:1.08;margin:22px 0 0}
h1 .accent{color:var(--accent)}
.sub{color:var(--muted);font-size:17px;margin:18px 0 0}

/* scan box */
.scan-box{margin:36px auto 0;max-width:680px}
.input-row{
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:7px 7px 7px 20px;box-shadow:var(--shadow);
}
.input-row:focus-within{border-color:#b9b9b9;box-shadow:0 0 0 3px rgba(172,0,19,.08)}
#target{flex:1;border:0;outline:0;font-size:16px;font-family:inherit;background:transparent;color:var(--fg);min-width:0}
#target::placeholder{color:#9a9a9a}
#scan-btn{
  border:0;cursor:pointer;background:var(--accent);color:#fff;font-weight:700;font-size:15px;
  padding:12px 26px;border-radius:var(--radius);font-family:inherit;white-space:nowrap;transition:filter .15s;
}
#scan-btn:hover{filter:brightness(1.08)}
#scan-btn:disabled{opacity:.6;cursor:default}
.opt-row{display:flex;align-items:center;justify-content:space-between;margin:14px 6px 0;font-size:14px}
.opt{display:flex;align-items:center;gap:8px;color:var(--muted);cursor:pointer}
.opt input{accent-color:var(--accent);width:16px;height:16px}
.hint{color:#9a9a9a;font-size:13px}

/* result */
.result{margin:40px auto 0;max-width:1100px;text-align:left;border:1px solid var(--line);border-radius:20px;padding:22px;background:#fff;box-shadow:var(--shadow)}
.result.hidden{display:none}
.result-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.result-target{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rt-label{color:var(--muted);margin-right:8px}
#rt-url{font-weight:600}
.pill-status{font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--radius);background:var(--surface);color:var(--muted);white-space:nowrap}
.pill-status.running{background:var(--accent-tint);color:var(--accent)}
.pill-status.done{background:#e6f4ea;color:#1c7a3d}
.pill-status.failed{background:#fdecec;color:#c0271f}

.progress-wrap{height:6px;background:var(--surface);border-radius:var(--radius);overflow:hidden}
.progress-bar{height:100%;width:0;background:var(--accent);border-radius:var(--radius);transition:width .4s ease}
.progress-step{font-size:13px;color:var(--muted);margin:8px 2px 0}

/* layers */
.layers{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.layer{border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.layer-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.layer-no{width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.layer-name{font-weight:700;font-size:14px}
.layer-empty{color:#b0b0b0;font-size:13px}
.tech{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:6px 12px;font-size:13px;margin:0 6px 6px 0}
.tech .tname{font-weight:600}
.tech .tver{color:var(--accent);font-weight:600}
.tech .tconf{color:var(--muted);font-size:11px}
.tech .tmethod{font-size:10px;color:#fff;background:#9a9a9a;border-radius:var(--radius);padding:1px 7px}
.tech .tmethod.heuristic{background:#c98a00}
.tech .tmethod.active{background:var(--accent)}
.tech .tmethod.probe{background:#2b6cb0}
.tech .tdet{font-size:10px;border-radius:var(--radius);padding:1px 7px}
.tech .tdet.sure{background:#e6f4ea;color:#1c7a3d}
.tech .tdet.guess{background:#fff3d6;color:#9a6b00}
.meta-row{font-size:12px;color:var(--muted);background:var(--surface);border-radius:10px;padding:8px 12px;margin-bottom:6px}

/* foot */
.foot{max-width:1040px;margin:60px auto 30px;padding:0 20px;color:#b0b0b0;font-size:13px;text-align:center;border-top:1px solid var(--line);padding-top:24px}

/* tabs */
.tabs{display:inline-flex;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:4px;margin:28px auto 22px}
.tab{border:0;background:transparent;font-family:inherit;font-size:14px;font-weight:600;color:var(--muted);padding:8px 20px;border-radius:var(--radius);cursor:pointer}
.tab.active{background:#fff;color:var(--fg);box-shadow:var(--shadow)}
.view{max-width:1100px;margin:0 auto;text-align:left}
.hidden{display:none}
/* 입력 영역은 읽기 좋은 폭으로 중앙 고정, 결과 표는 넓게 */
#scan-form,#issued,#view-new .sub,#view-lookup .sub,#lookup-form{max-width:720px;margin-left:auto;margin-right:auto}
#view-new .sub,#view-lookup .sub{text-align:center}

/* textarea + form */
#targets{width:100%;border:1px solid var(--line);border-radius:16px;padding:14px 16px;font-family:inherit;font-size:15px;line-height:1.7;resize:vertical;outline:0;box-shadow:var(--shadow)}
#targets:focus{border-color:#b9b9b9;box-shadow:0 0 0 3px rgba(172,0,19,.08)}
.form-row{display:flex;align-items:center;gap:14px;margin-top:12px;flex-wrap:wrap}
.form-row .opt{margin-right:auto}
.hint.over{color:var(--accent);font-weight:700}

.btn-primary{border:0;cursor:pointer;background:var(--accent);color:#fff;font-weight:700;font-size:15px;padding:12px 26px;border-radius:var(--radius);font-family:inherit;white-space:nowrap;transition:filter .15s}
.btn-primary:hover{filter:brightness(1.08)}
.btn-primary:disabled{opacity:.6;cursor:default}
.btn-ghost{border:1px solid var(--line);background:#fff;color:var(--fg);font-family:inherit;font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--radius);cursor:pointer}

/* issued id */
.issued{margin-top:22px;border:1px solid var(--line);border-radius:18px;padding:22px;background:var(--accent-tint);text-align:center}
.issued-label{font-size:13px;color:var(--accent);font-weight:700;margin-bottom:12px}
.issued-id{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.issued-id code{font-size:16px;font-weight:700;background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 14px;word-break:break-all}
.issued-sub{font-size:13px;color:var(--muted);margin:14px 0 16px}

/* lookup input */
#view-lookup .input-row{max-width:560px;margin:0 auto}
.input-row input{flex:1;border:0;outline:0;font-size:15px;font-family:inherit;background:transparent;color:var(--fg);min-width:0;padding:4px 6px}
.input-row input::placeholder{color:#9a9a9a}

/* result table (3번 이미지 스타일) */
.rtable-wrap{margin-top:16px;border:1px solid var(--line);border-radius:14px;overflow:hidden;overflow-x:auto}
.rtable{width:100%;border-collapse:collapse;font-size:13px}
.rtable thead th{text-align:left;font-weight:600;color:var(--muted);font-size:12px;letter-spacing:.01em;padding:12px 14px;border-bottom:1px solid var(--line);background:#fafafa;white-space:nowrap}
.rtable tbody td{padding:12px 14px;border-bottom:1px solid #eee;vertical-align:middle}
.rtable tbody tr:last-child td{border-bottom:0}
.rtable tbody tr:hover{background:#faf7f7}
.col-no{width:40px;color:var(--muted)}
.col-target{font-weight:600;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.col-dim{color:var(--muted);white-space:nowrap}
.col-act{width:100px;text-align:right}
.col-err{color:#c0271f;font-size:12px}
.btn-detail{border:1px solid var(--line);background:#fff;color:var(--fg);font-family:inherit;font-size:12px;font-weight:600;padding:6px 14px;border-radius:var(--radius);cursor:pointer;white-space:nowrap}
.btn-detail:hover{background:var(--surface);border-color:#b9b9b9}

/* detail modal */
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}
.modal.hidden{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.modal-box{position:relative;background:#fff;border-radius:18px;max-width:840px;width:100%;max-height:85vh;overflow:auto;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:1}
#modal-title{font-weight:700;font-size:16px;word-break:break-all}
.modal-x{border:0;background:transparent;font-size:26px;line-height:1;color:var(--muted);cursor:pointer;padding:0 6px}
.modal-x:hover{color:var(--fg)}
.modal-body{padding:18px 22px}
body.modal-open{overflow:hidden}
.warn-flag{color:#c98a00;cursor:help;font-size:13px}
.warn-banner{background:#fff3d6;color:#9a6b00;border:1px solid #f0d58a;border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:10px}

@media (max-width:640px){
  h1{font-size:36px}
  .sub{font-size:15px}
  .hero{padding:44px 16px 30px}
  .input-row{flex-wrap:wrap;border-radius:20px;padding:14px}
  #target{width:100%;padding:6px 4px}
  #scan-btn{width:100%;padding:13px}
}