:root{
  --bg:#f5f7fb; --surface:#ffffff; --surface2:#eef2f8; --border:#dbe2ee;
  --text:#0f1b2d; --muted:#5b6b82; --accent:#1e3a8a; --accent2:#2563eb; --accent-soft:#e3ebff;
  --ok:#0f7b52; --warn:#b45309; --err:#b91c1c; --cite:#fff3c4; --cite-text:#6b4b00;
  --shadow:0 1px 2px rgba(15,27,45,.06),0 4px 16px rgba(15,27,45,.06);
  --radius:12px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0c1220; --surface:#121a2b; --surface2:#1a2438; --border:#27334b;
    --text:#e6ecf5; --muted:#93a3bb; --accent:#8fb0ff; --accent2:#6d95ff; --accent-soft:#1c2a4d;
    --ok:#4ade80; --warn:#fbbf24; --err:#f87171; --cite:#3d3208; --cite-text:#fde68a;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 4px 16px rgba(0,0,0,.25);
  }
}
:root[data-theme="dark"]{
  --bg:#0c1220; --surface:#121a2b; --surface2:#1a2438; --border:#27334b;
  --text:#e6ecf5; --muted:#93a3bb; --accent:#8fb0ff; --accent2:#6d95ff; --accent-soft:#1c2a4d;
  --ok:#4ade80; --warn:#fbbf24; --err:#f87171; --cite:#3d3208; --cite-text:#fde68a;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 4px 16px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--text);font-family:"Noto Sans KR",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15px;line-height:1.6}
a{color:var(--accent2)}
button,input,select,textarea{font:inherit;color:inherit}

.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:20px;padding:10px 24px;background:var(--surface);border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.logo{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--accent);color:#fff;font-size:20px}
:root[data-theme="dark"] .logo{color:#0c1220}
.brand-name{font-weight:700;font-size:17px;letter-spacing:-.01em}
.brand-sub{font-size:12px;color:var(--muted)}
.tabs{display:flex;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{border:0;background:transparent;padding:8px 14px;border-radius:8px;cursor:pointer;color:var(--muted);font-weight:500;white-space:nowrap}
.tab:hover{background:var(--surface2);color:var(--text)}
.tab[aria-selected="true"]{background:var(--accent-soft);color:var(--accent)}
.theme-btn,.icon-btn{border:1px solid var(--border);background:var(--surface);width:34px;height:34px;border-radius:8px;cursor:pointer}

main{max-width:1320px;margin:0 auto;padding:24px}
.panel[hidden]{display:none}
.foot{max-width:1320px;margin:0 auto;padding:16px 24px 32px;color:var(--muted);font-size:12px}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.btn{border:1px solid var(--border);background:var(--surface);padding:9px 16px;border-radius:8px;cursor:pointer;font-weight:500;text-decoration:none;display:inline-flex;align-items:center;gap:6px;color:var(--text)}
.btn:hover{border-color:var(--accent2)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
:root[data-theme="dark"] .btn.primary{color:#0c1220}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .btn.primary,:root:not([data-theme="light"]) .logo{color:#0c1220}}
.btn.primary:disabled{opacity:.55;cursor:progress}
.btn.ghost{background:transparent}
.btn.sm{padding:5px 10px;font-size:13px}

/* Korea Law */
.kl-hero{padding:20px;margin-bottom:20px}
.kl-mode{display:inline-flex;background:var(--surface2);border-radius:10px;padding:3px;margin-bottom:14px}
.kl-mode button{border:0;background:transparent;padding:6px 14px;border-radius:8px;cursor:pointer;color:var(--muted);font-weight:500}
.kl-mode button[aria-pressed="true"]{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}
.kl-q{width:100%;min-height:92px;resize:vertical;padding:12px 14px;border:1px solid var(--border);border-radius:10px;background:var(--bg);outline:none}
.kl-q:focus,.kl-row input:focus,.kl-row select:focus,#modalFilter:focus{border-color:var(--accent2);box-shadow:0 0 0 3px var(--accent-soft)}
.kl-controls{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:10px}
.kl-scope{display:flex;flex-wrap:wrap;gap:6px 14px;color:var(--muted);font-size:14px}
.kl-scope label{display:inline-flex;gap:5px;align-items:center;cursor:pointer}
.kl-controls .btn.primary{margin-left:auto}
.kl-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.chip{border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:4px 12px;font-size:13px;cursor:pointer;color:var(--muted)}
.chip:hover{color:var(--accent);border-color:var(--accent2)}
.kl-row{display:flex;gap:8px;flex-wrap:wrap}
.kl-row select,.kl-row input{padding:9px 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg);outline:none}
.kl-row input{flex:1;min-width:200px}

.kl-status{display:flex;align-items:center;gap:10px;color:var(--muted);padding:14px 4px}
.spinner{width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent2);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.err{color:var(--err)}
.note{color:var(--warn);font-size:13px}

.kl-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:20px;align-items:start}
@media (max-width:960px){.kl-grid{grid-template-columns:1fr}}
.kl-answer{padding:20px 24px}
.kl-answer h2{font-size:16px;margin:18px 0 8px;padding-bottom:4px;border-bottom:1px solid var(--border)}
.kl-answer h2:first-child{margin-top:0}
.kl-answer ul{padding-left:20px}
.kl-answer blockquote{margin:8px 0;padding:6px 12px;border-left:3px solid var(--accent2);background:var(--surface2);border-radius:0 6px 6px 0}
.cite{background:var(--cite);color:var(--cite-text);border-radius:4px;padding:0 4px;font-size:.88em;cursor:pointer;white-space:nowrap}
.cite:hover{outline:1px solid currentColor}
.kl-plan{margin-top:16px;font-size:13px;color:var(--muted)}
.kl-plan summary{cursor:pointer}
.kl-plan code{background:var(--surface2);padding:1px 6px;border-radius:4px;margin:2px;display:inline-block}

.kl-sources{display:flex;flex-direction:column;gap:12px;position:sticky;top:76px;max-height:calc(100vh - 96px);overflow:auto;padding-right:2px}
.src{padding:14px 16px}
.src.flash{animation:flash 1.2s}
@keyframes flash{0%{box-shadow:0 0 0 3px var(--accent2)}100%{box-shadow:var(--shadow)}}
.src-head{display:flex;gap:8px;align-items:flex-start;justify-content:space-between}
.src-ref{font-weight:700;color:var(--accent);margin-right:6px}
.badge{display:inline-block;font-size:11px;padding:1px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:500;vertical-align:middle}
.src-name{font-weight:700}
.src-meta{font-size:12px;color:var(--muted);margin:2px 0 8px}
.art{border-top:1px dashed var(--border);padding:8px 0}
.art summary{cursor:pointer;font-weight:500;font-size:14px}
.art pre,.modal-body pre{white-space:pre-wrap;word-break:keep-all;font-family:inherit;font-size:13.5px;margin:6px 0 0;color:var(--text)}
.src-actions{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}

.list{display:flex;flex-direction:column}
.list-item{display:flex;justify-content:space-between;gap:12px;padding:12px 16px;border-top:1px solid var(--border);cursor:pointer}
.list-item:first-child{border-top:0}
.list-item:hover{background:var(--surface2)}
.list-item small{color:var(--muted)}
.empty{padding:28px;text-align:center;color:var(--muted)}

.hist{margin-top:14px;font-size:13px;color:var(--muted)}
.hist button{border:0;background:none;color:var(--accent2);cursor:pointer;padding:0 4px;text-align:left}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(5,10,20,.55);display:grid;place-items:center;z-index:50;padding:16px}
.modal[hidden]{display:none}
.modal-box{background:var(--surface);border:1px solid var(--border);border-radius:14px;width:min(920px,100%);max-height:90vh;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.modal-head{display:flex;justify-content:space-between;gap:12px;padding:16px 20px 8px}
.modal-title{font-weight:700;font-size:17px}
.modal-meta{font-size:12px;color:var(--muted)}
.modal-tools{display:flex;gap:8px;padding:0 20px 12px;border-bottom:1px solid var(--border)}
#modalFilter{flex:1;padding:8px 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg);outline:none}
.modal-body{overflow:auto;padding:8px 20px 20px}
.modal-body .art{padding:10px 0}
.modal-body .art-title{font-weight:700}
mark{background:var(--cite);color:var(--cite-text);border-radius:2px}

.login{position:fixed;inset:0;background:var(--bg);display:grid;place-items:center;z-index:60;padding:16px}
.login[hidden]{display:none}
.login-box{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:28px;width:min(360px,100%);display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow)}
.login-box input{padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--bg)}

@media (max-width:640px){
  .topbar{flex-wrap:wrap;gap:8px 12px;padding:10px 16px}
  .tabs{order:3;flex-basis:100%}
  .brand-sub{display:none}
  .theme-btn{margin-left:auto}
  main{padding:16px}
  .kl-controls .btn.primary{margin-left:0;width:100%;justify-content:center}
  .kl-sources{position:static;max-height:none}
  .chip{border-radius:10px;text-align:left}
}