:root{
  --navy:#1b3a63; --accent:#d81b23;
  --bg:#f4f6f9; --panel:#fff; --line:#e2e6ec; --line2:#eef1f5;
  --ink:#16202e; --mute:#6b7686; --faint:#9aa4b2;
  --ok:#0f7b3f; --warn:#a9600a; --err:#c0271d;
  --radius:10px; --nav-w:212px;
  --font:'Pretendard',-apple-system,BlinkMacSystemFont,'Segoe UI','Malgun Gothic',sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:var(--font);background:var(--bg);color:var(--ink);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--navy)}

/* ---------- 로그인 ---------- */
.gate{min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:24px;
  background:linear-gradient(150deg,#16273f,#1b3a63 60%,#24507f)}
.gate-card{width:100%;max-width:400px;background:#fff;border-radius:14px;padding:34px 32px;
  box-shadow:0 24px 60px rgba(10,20,40,.3)}
.gate-card h1{margin:0 0 4px;font-size:20px;letter-spacing:-.02em}
.gate-card .sub{margin:0 0 24px;color:var(--mute);font-size:13px}
.gate-card label{display:block;font-size:12px;font-weight:600;color:var(--mute);margin:14px 0 6px}
.gate-card input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:8px}
.gate-card input:focus{outline:2px solid rgba(27,58,99,.25);border-color:var(--navy)}
.gate-card button{width:100%;margin-top:20px;padding:12px;border:0;border-radius:8px;
  background:var(--navy);color:#fff;font-weight:700;cursor:pointer}
.gate-card button:hover{background:#16304f}
.gate-note{margin-top:16px;font-size:12px;color:var(--faint);line-height:1.6}

/* ---------- 레이아웃 ---------- */
.app{display:grid;grid-template-columns:var(--nav-w) 1fr;min-height:100vh}
.side{background:#16273f;color:#c8d3e2;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.side .brand{padding:20px 18px 16px;border-bottom:1px solid rgba(255,255,255,.09)}
.side .brand b{display:block;color:#fff;font-size:15px;letter-spacing:-.02em}
.side .brand span{font-size:11px;color:#7f93ad;letter-spacing:.06em}
.side nav{padding:10px 8px;flex:1;overflow:auto}
.side nav button{display:flex;align-items:center;gap:9px;width:100%;text-align:left;background:none;border:0;
  padding:9px 11px;border-radius:7px;color:#c8d3e2;cursor:pointer;font-size:13.5px}
.side nav button:hover{background:rgba(255,255,255,.07);color:#fff}
.side nav button.on{background:var(--accent);color:#fff;font-weight:600}
.side nav .grp{padding:14px 12px 5px;font-size:10.5px;letter-spacing:.1em;color:#5f7391}
.side .foot{padding:12px;border-top:1px solid rgba(255,255,255,.09);font-size:12px}
.side .foot a{color:#9fb3cc;text-decoration:none;display:block;padding:5px 6px;border-radius:6px}
.side .foot a:hover{background:rgba(255,255,255,.07);color:#fff}

.main{min-width:0;display:flex;flex-direction:column}
.top{position:sticky;top:0;z-index:40;background:rgba(244,246,249,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);padding:13px 22px;display:flex;align-items:center;gap:12px}
.top h1{margin:0;font-size:17px;letter-spacing:-.02em;flex:1}
.top .crumb{color:var(--faint);font-weight:400;font-size:13px}
.body{padding:22px 22px 96px;flex:1}

/* ---------- 공통 요소 ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px}
.card>h2{margin:0;padding:13px 18px;border-bottom:1px solid var(--line2);font-size:14px;letter-spacing:-.01em}
.card>h2 small{font-weight:400;color:var(--faint);margin-left:8px;letter-spacing:0}
.card .in{padding:18px}
.btn{border:1px solid var(--line);background:#fff;border-radius:7px;padding:8px 14px;cursor:pointer;font-size:13px}
.btn:hover{border-color:#c3cbd6;background:#fafbfc}
.btn.pri{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:600}
.btn.pri:hover{background:#16304f}
.btn.danger{color:var(--err);border-color:#f0c8c5}
.btn.danger:hover{background:#fdf3f2}
.btn.sm{padding:5px 10px;font-size:12px;border-radius:6px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
.muted{color:var(--mute)}
.faint{color:var(--faint);font-size:12px}
input[type=text],input[type=password],input[type=number],select,textarea{
  width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:7px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(27,58,99,.2);border-color:#9fb0c6}
textarea{resize:vertical;min-height:38px;line-height:1.6}
label.f{display:block;font-size:12px;font-weight:600;color:var(--mute);margin-bottom:5px}

/* 언어 2열 편집 */
.pair{display:grid;grid-template-columns:190px 1fr 1fr;gap:10px;align-items:start;
  padding:10px 0;border-bottom:1px solid var(--line2)}
.pair:last-child{border-bottom:0}
.pair .k{font-size:12px;color:var(--mute);padding-top:9px;word-break:break-all;font-weight:600}
.pair .k em{display:block;font-style:normal;color:var(--faint);font-weight:400;font-size:11px}
.pairhead{display:grid;grid-template-columns:190px 1fr 1fr;gap:10px;
  font-size:11px;letter-spacing:.08em;color:var(--faint);padding-bottom:8px;border-bottom:1px solid var(--line)}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}

/* 목록 */
.list{border:1px solid var(--line);border-radius:8px;overflow:hidden}
.list .it{display:flex;align-items:center;gap:11px;padding:9px 12px;border-bottom:1px solid var(--line2);background:#fff}
.list .it:last-child{border-bottom:0}
.list .it:hover{background:#fafbfd}
.list .it .thumb{width:44px;height:44px;border-radius:6px;object-fit:cover;background:#f0f2f5;flex:none;border:1px solid var(--line2)}
.list .it .t{flex:1;min-width:0}
.list .it .t b{display:block;font-weight:600;font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.list .it .t span{display:block;color:var(--faint);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.handle{cursor:grab;color:var(--faint);user-select:none;padding:0 3px}
.chip{display:inline-block;padding:1px 7px;border-radius:99px;background:#eef2f7;color:var(--mute);font-size:11px;font-weight:600}
.chip.ok{background:#e7f4ec;color:var(--ok)}
.chip.err{background:#fdeceb;color:var(--err)}
.chip.warn{background:#fdf3e3;color:var(--warn)}

/* 규격표 편집기 */
.spec{overflow:auto;border:1px solid var(--line);border-radius:8px;background:#fff}
table.sp{border-collapse:collapse;min-width:100%}
table.sp td{border:1px solid var(--line);padding:0;vertical-align:top;min-width:92px}
table.sp td.head{background:#f6f8fa}
table.sp td.sp-sec{background:#e6edf6}
table.sp td.sp-sec input{font-weight:700}
table.sp td.sp-note{background:#fffbea}
table.sp td input{border:0;border-radius:0;padding:6px 8px;background:transparent;font-size:12.5px}
table.sp td input:focus{outline:2px solid rgba(27,58,99,.35);outline-offset:-2px}
table.sp td .cell{position:relative}
table.sp td .sp-n{position:absolute;right:2px;top:1px;font-size:9px;color:var(--faint);pointer-events:none}

/* 이미지 */
.imgs{display:grid;grid-template-columns:repeat(auto-fill,minmax(116px,1fr));gap:11px}
.imgs figure{margin:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;cursor:pointer}
.imgs figure.on{border-color:var(--accent);box-shadow:0 0 0 2px rgba(216,27,35,.18)}
.imgs img{width:100%;aspect-ratio:1;object-fit:contain;background:#f7f8fa;display:block}
.imgs figcaption{padding:5px 7px;font-size:10.5px;color:var(--mute);word-break:break-all;line-height:1.35}

/* 발행 */
.log{background:#0f1722;color:#cfe0f0;border-radius:8px;padding:14px 16px;font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:12px;line-height:1.65;max-height:340px;overflow:auto;white-space:pre-wrap}
.bar{height:4px;background:var(--line2);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;width:38%;background:var(--navy);border-radius:99px;animation:sl 1.3s ease-in-out infinite}
@keyframes sl{0%{margin-left:-38%}100%{margin-left:100%}}

/* 저장 바 */
.savebar{position:sticky;bottom:0;margin:16px -22px -22px;padding:12px 22px;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-top:1px solid var(--line);display:flex;align-items:center;gap:11px;z-index:30}

/* 토스트 */
#toast{position:fixed;right:18px;bottom:18px;z-index:100;display:flex;flex-direction:column;gap:8px}
.toast{background:#16273f;color:#fff;padding:11px 16px;border-radius:9px;font-size:13px;
  box-shadow:0 10px 28px rgba(10,20,40,.28);animation:tin .18s ease-out}
.toast.err{background:var(--err)}
.toast.ok{background:var(--ok)}
@keyframes tin{from{opacity:0;transform:translateY(8px)}}

/* 모달 */
.modal{position:fixed;inset:0;background:rgba(15,23,34,.5);z-index:90;display:grid;place-items:center;padding:24px}
.modal .box{background:#fff;border-radius:12px;width:100%;max-width:880px;max-height:86vh;display:flex;flex-direction:column;overflow:hidden}
.modal .box h3{margin:0;padding:15px 20px;border-bottom:1px solid var(--line2);font-size:15px}
.modal .box .mbody{padding:18px 20px;overflow:auto;flex:1}
.modal .box .mfoot{padding:13px 20px;border-top:1px solid var(--line2);display:flex;gap:9px;justify-content:flex-end}

.err-list{background:#fdeceb;border:1px solid #f4c9c5;border-radius:8px;padding:12px 14px;color:#8f231c;font-size:13px}
.err-list ul{margin:7px 0 0;padding-left:18px}

@media(max-width:900px){
  .app{grid-template-columns:1fr}
  .side{position:static;height:auto}
  .side nav{display:flex;overflow-x:auto;padding:8px}
  .side nav .grp{display:none}
  .side nav button{white-space:nowrap}
  .pair,.pairhead{grid-template-columns:1fr}
  .grid2,.grid3{grid-template-columns:1fr}
}


/* ===== 관리자 사용성 개선 ===== */
.pairfind-wrap { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; }
.pairfind {
  flex: 1; max-width: 420px; height: 38px; padding: 0 12px;
  border: 1px solid var(--line); border-radius: 8px; font-size: 14px; background: #fff;
}
.pairfind:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(27,58,99,.12); }
.pairfind-count { font-size: 12px; color: var(--muted); }

.pairgrp {
  padding: 18px 0 6px; font-size: 12px; font-weight: 700;
  color: var(--navy); letter-spacing: -.01em;
}

.pair .k em { font-style: normal; font-size: 11px; color: var(--muted); opacity: .75; }

.savebar .sb-step { display: flex; flex-direction: column; gap: 2px; line-height: 1.35; }
.savebar .sb-step b { font-size: 12px; color: var(--navy); }
.savebar.is-dirty .sb-step b { color: #b0350f; }
.savebar .sb-step .faint { font-size: 12.5px; }
.savebar.is-dirty { border-top-color: #e8a887; background: #fffaf6; }