:root{
  --navy:#1f4e79; --navy-d:#163a5b; --navy-l:#e9f0f7;
  --green:#2f8f5b; --green-l:#e8f4ed;
  --ink:#222; --line:#d9dde3; --gray:#6b7683; --bg:#f2f4f7;
  --red:#c0392b; --amber:#b8770f;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:"Malgun Gothic","맑은 고딕","Noto Sans KR",sans-serif;color:var(--ink);
  background:var(--bg);font-size:14px;line-height:1.6;}
a{color:var(--navy);text-decoration:none;}
button{font-family:inherit;cursor:pointer;}

/* 상단 바 */
.topbar{background:var(--navy);color:#fff;display:flex;align-items:center;gap:18px;
  padding:0 18px;height:52px;position:sticky;top:0;z-index:50;}
.topbar .brand{font-weight:800;letter-spacing:.5px;font-size:15px;color:#fff;}
.topbar .brand b{color:#8fc7f2;}
.topbar nav{display:flex;gap:4px;flex:1;}
.topbar nav a{color:rgba(255,255,255,.85);padding:6px 12px;border-radius:6px;font-weight:600;}
.topbar nav a:hover,.topbar nav a.active{background:rgba(255,255,255,.14);color:#fff;}
.topbar .who{font-size:12.5px;color:#cfe0f2;}
.topbar .who b{color:#fff;}
.topbar .role-badge{background:var(--green);color:#fff;font-size:11px;font-weight:700;
  border-radius:10px;padding:2px 9px;margin-left:6px;}
.topbar .logout{background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff;
  border-radius:6px;padding:5px 12px;font-size:12.5px;}

.wrap{max-width:1280px;margin:0 auto;padding:22px 18px 60px;}
.page-title{font-size:19px;font-weight:800;color:var(--navy);margin-bottom:14px;
  display:flex;align-items:center;gap:10px;}
.page-title .sub{font-size:12.5px;color:var(--gray);font-weight:400;}

/* 카드·그리드 */
.cards{display:grid;gap:14px;}
.cards.c4{grid-template-columns:repeat(4,1fr);}
.cards.c3{grid-template-columns:repeat(3,1fr);}
.cards.c2{grid-template-columns:repeat(2,1fr);}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px;}
.card h3{font-size:13px;color:var(--gray);font-weight:700;margin-bottom:6px;}
.card .big{font-size:26px;font-weight:800;color:var(--navy);}
.card .big.g{color:var(--green);}

.panel{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px;margin-top:16px;}
.panel h2{font-size:15px;font-weight:800;color:var(--navy);margin-bottom:12px;
  border-left:4px solid var(--green);padding-left:9px;}

/* 테이블 */
table.tbl{width:100%;border-collapse:collapse;font-size:13px;}
table.tbl th{background:var(--navy-l);color:var(--navy);padding:8px;font-weight:700;
  border-bottom:2px solid var(--navy);text-align:left;}
table.tbl td{padding:8px;border-bottom:1px solid var(--line);}
table.tbl tr:hover td{background:#fafbfd;}

/* 버튼 */
.btn{display:inline-block;border:none;border-radius:7px;padding:8px 16px;font-size:13px;
  font-weight:700;background:var(--navy);color:#fff;}
.btn:hover{background:var(--navy-d);}
.btn.green{background:var(--green);}
.btn.gray{background:#8b95a1;}
.btn.red{background:var(--red);}
.btn.outline{background:#fff;color:var(--navy);border:1px solid var(--navy);}
.btn:disabled{opacity:.45;cursor:not-allowed;}
.btn.sm{padding:4px 10px;font-size:12px;}

/* 상태 뱃지 */
.badge{display:inline-block;font-size:11px;font-weight:700;border-radius:10px;padding:2px 9px;}
.badge.UNLABELED{background:#eceff3;color:#6b7683;}
.badge.IN_PROGRESS{background:#e8f2fb;color:#1f6db2;}
.badge.REVIEW_PENDING{background:#fdf3df;color:#b8770f;}
.badge.APPROVED{background:var(--green-l);color:var(--green);}
.badge.REWORK{background:#fae6e6;color:var(--red);}
.badge.ai-ready{background:var(--green-l);color:var(--green);}
.badge.ai-wait{background:#fdf3df;color:#b8770f;}
.badge.dup{background:#fae6e6;color:var(--red);}

/* 폼 */
input[type=text],input[type=password],select,textarea{
  border:1px solid var(--line);border-radius:7px;padding:8px 10px;font-size:13px;
  font-family:inherit;width:100%;}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(31,78,121,.25);}
label.fl{display:block;font-size:12px;font-weight:700;color:var(--gray);margin:10px 0 4px;}

/* 이미지 그리드 */
.img-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-top:12px;}
.img-card{background:#fff;border:1px solid var(--line);border-radius:9px;overflow:hidden;position:relative;}
.img-card img{width:100%;height:120px;object-fit:cover;display:block;background:#dde3ea;}
.img-card .meta{padding:8px 10px;font-size:11.5px;color:var(--gray);}
.img-card .nm{font-weight:700;color:var(--ink);font-size:12px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;}
.img-card .badges{position:absolute;top:6px;left:6px;display:flex;gap:4px;}

/* 로그인 */
.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--navy) 0%,var(--navy-d) 60%,#0d2742 100%);}
.login-box{background:#fff;border-radius:14px;padding:36px 34px;width:380px;
  box-shadow:0 10px 40px rgba(0,0,0,.35);}
.login-box h1{font-size:18px;color:var(--navy);font-weight:800;margin-bottom:4px;}
.login-box .sub{font-size:12px;color:var(--gray);margin-bottom:20px;}
.login-box .btn{width:100%;margin-top:16px;padding:11px;}
.login-err{color:var(--red);font-size:12.5px;margin-top:10px;min-height:18px;}

/* 토스트 */
#toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);
  background:var(--navy-d);color:#fff;border-radius:9px;padding:10px 20px;font-size:13px;
  opacity:0;transition:opacity .25s;z-index:200;pointer-events:none;max-width:80vw;}
#toast.show{opacity:1;}
#toast.err{background:var(--red);}

/* ===== 라벨링 에디터 ===== */
.editor-layout{display:grid;grid-template-columns:1fr 300px;gap:0;height:calc(100vh - 52px);}
.editor-main{position:relative;background:#20262e;overflow:hidden;}
#canvas{display:block;width:100%;height:100%;cursor:crosshair;}
.editor-side{background:#fff;border-left:1px solid var(--line);display:flex;
  flex-direction:column;overflow-y:auto;}
.side-sec{padding:13px 15px;border-bottom:1px solid var(--line);}
.side-sec h3{font-size:12px;font-weight:800;color:var(--navy);margin-bottom:8px;
  letter-spacing:.5px;}
.tool-row{display:flex;gap:6px;flex-wrap:wrap;}
.tool-btn{flex:1;min-width:56px;border:1px solid var(--line);background:#fff;border-radius:7px;
  padding:7px 4px;font-size:11.5px;font-weight:700;color:#4a5560;text-align:center;}
.tool-btn.active{background:var(--navy);color:#fff;border-color:var(--navy);}
.tool-btn .k{display:block;font-size:9.5px;color:inherit;opacity:.65;}
.class-item{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:7px;
  cursor:pointer;border:1px solid transparent;font-size:12.5px;}
.class-item:hover{background:var(--bg);}
.class-item.active{border-color:var(--navy);background:var(--navy-l);font-weight:700;}
.class-item .sw{width:14px;height:14px;border-radius:4px;flex:none;}
.class-item .code{color:var(--gray);font-size:11px;margin-left:auto;}
.obj-item{display:flex;align-items:center;gap:7px;padding:5px 8px;border-radius:6px;
  font-size:12px;cursor:pointer;border:1px solid transparent;}
.obj-item:hover{background:var(--bg);}
.obj-item.sel{border-color:var(--green);background:var(--green-l);}
.obj-item .del{margin-left:auto;color:var(--red);font-weight:800;background:none;
  border:none;font-size:13px;}
.obj-item .unk{font-size:10px;background:#fdf3df;color:var(--amber);border-radius:8px;padding:0 6px;}
.editor-top{position:absolute;top:10px;left:10px;display:flex;gap:8px;z-index:10;align-items:center;}
.editor-top .chip{background:rgba(22,42,66,.85);color:#fff;border-radius:7px;
  padding:5px 12px;font-size:12px;}
.editor-top .chip b{color:#8fc7f2;}
#saveState{font-size:11.5px;color:#9fd9b8;}
.hotkey-overlay{position:absolute;inset:0;background:rgba(13,25,40,.88);z-index:40;color:#fff;
  display:none;align-items:center;justify-content:center;}
.hotkey-overlay.show{display:flex;}
.hotkey-overlay .box{background:#1b2a3d;border:1px solid #2f4a68;border-radius:12px;
  padding:26px 34px;font-size:13.5px;line-height:2;}
.hotkey-overlay h3{color:#8fc7f2;margin-bottom:8px;}
kbd{background:#2c405c;border-radius:5px;padding:1px 8px;font-family:inherit;font-size:12px;}
.sam-hint{background:rgba(47,143,91,.92);color:#fff;border-radius:7px;padding:5px 12px;
  font-size:12px;display:none;}
.sam-hint.show{display:block;}

@media (max-width:900px){
  .cards.c4,.cards.c3{grid-template-columns:repeat(2,1fr);}
  .editor-layout{grid-template-columns:1fr;}
}