:root{
  --primary:#0a4f7a; --primary-d:#083d5e; --accent:#b5892f;
  --bg:#f3f5f8; --card:#fff; --line:#dfe4ea; --text:#1d2733; --muted:#66727f;
  --danger:#b3261e; --ok:#1a7f4b; --radius:8px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font:15px/1.5 -apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--primary)}
.muted{color:var(--muted)} .small{font-size:.82rem}
h1,h2,h3{line-height:1.25;margin:0 0 .5em}

/* ---------- buttons & inputs ---------- */
.btn{appearance:none;border:1px solid var(--line);background:#fff;color:var(--text);padding:8px 14px;border-radius:6px;cursor:pointer;font:inherit;text-decoration:none;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.btn:hover{border-color:#b9c2cc;background:#f8fafc}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-d)}
.btn.primary:disabled{opacity:.45;cursor:not-allowed}
.btn.danger{color:var(--danger)} .btn.danger:hover{background:#fdf1f0;border-color:#e8b7b3}
.btn.sm{padding:4px 9px;font-size:.85rem}
.btn.icon{padding:4px 8px;min-width:30px;justify-content:center}
input[type=text],input[type=password],input[type=url],input[type=email],input:not([type]),textarea,select{
  width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:6px;font:inherit;background:#fff;color:var(--text)}
input:focus,textarea:focus,select:focus{outline:2px solid #9cc5e0;border-color:var(--primary)}
textarea{resize:vertical;min-height:2.6em;line-height:1.5}
label{display:block;font-weight:600;font-size:.88rem;margin:0 0 14px}
label input,label textarea,label select{margin-top:5px;font-weight:400}
label small{font-weight:400;color:var(--muted)}

/* ---------- login / setup ---------- */
body.is-auth{display:grid;place-items:center;min-height:100vh;padding:20px}
.auth-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:32px;width:100%;max-width:420px;box-shadow:0 10px 40px rgba(10,40,70,.08)}
.auth-card h1{font-size:1.5rem;color:var(--primary)}
.auth-card .btn.primary{width:100%;justify-content:center;padding:11px}
.alert{padding:10px 12px;border-radius:6px;margin:12px 0;font-size:.92rem}
.alert.err{background:#fdf1f0;color:var(--danger);border:1px solid #f0c9c6}
.alert.ok{background:#eef8f2;color:var(--ok);border:1px solid #c6e6d3}

/* ---------- panel shell ---------- */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;background:var(--primary);color:#fff;padding:10px 18px}
.topbar .brand{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.topbar .brand strong{font-size:1.05rem}
.topbar .brand span{font-size:.75rem;opacity:.75;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:36vw}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.topbar .btn{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28);color:#fff}
.topbar .btn:hover{background:rgba(255,255,255,.22)}
.topbar .btn.primary{background:var(--accent);border-color:var(--accent);color:#1b1404}
.topbar .btn.primary:hover{background:#c99b3a}
.topbar .btn.primary:disabled{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.2);color:rgba(255,255,255,.6)}
.status{font-size:.85rem;opacity:.9}
.status.dirty{color:#ffe08a} .status.ok{color:#b8f0cf} .status.err{color:#ffc6c1}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:1.4rem;cursor:pointer}
.layout{display:flex;align-items:flex-start;min-height:calc(100vh - 56px)}
.sidebar{width:230px;flex:0 0 230px;background:#fff;border-right:1px solid var(--line);position:sticky;top:56px;height:calc(100vh - 56px);overflow:auto;padding:12px 0}
.sidebar a{display:flex;align-items:center;gap:10px;padding:9px 18px;color:var(--text);text-decoration:none;border-left:3px solid transparent;font-size:.93rem}
.sidebar a:hover{background:#f4f7fa}
.sidebar a.active{background:#eaf3f9;border-left-color:var(--primary);color:var(--primary);font-weight:600}
.sidebar .sep{height:1px;background:var(--line);margin:8px 14px}
.content{flex:1;min-width:0;padding:24px 28px 80px;max-width:980px}
.content h2.page-title{font-size:1.45rem;color:var(--primary);margin-bottom:.2em}
.page-help{color:var(--muted);margin:0 0 20px}

/* ---------- blocks / fields ---------- */
.block{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:20px}
.block>h3{font-size:1.02rem;margin:0 0 14px;padding-bottom:8px;border-bottom:1px solid var(--line);color:var(--primary)}
.field{margin-bottom:14px}
.field>.lbl{display:block;font-weight:600;font-size:.88rem;margin-bottom:5px}
.field .hint{display:block;color:var(--muted);font-size:.8rem;margin-top:4px}
.subhead{font-weight:700;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:22px 0 10px;padding-top:12px;border-top:1px dashed var(--line)}
.subhead:first-child{margin-top:0;padding-top:0;border-top:0}
.check{display:flex;align-items:center;gap:8px;font-weight:600}
.check input{width:auto;margin:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}

.imgfield{display:flex;gap:12px;align-items:flex-start}
.imgfield .thumb{width:96px;height:72px;flex:0 0 auto;border:1px solid var(--line);border-radius:6px;background:#f0f3f6 center/contain no-repeat;display:grid;place-items:center;color:var(--muted);font-size:.7rem;overflow:hidden}
.imgfield .thumb img{max-width:100%;max-height:100%;object-fit:contain}
.imgfield .ctrl{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.imgfield .row{display:flex;gap:6px;flex-wrap:wrap}
.filefield .row{display:flex;gap:6px}
.filefield input{flex:1}

/* ---------- lists ---------- */
.list{display:flex;flex-direction:column;gap:8px}
.item{border:1px solid var(--line);border-radius:7px;background:#fff}
.item.open{border-color:#a9c7dc;box-shadow:0 2px 10px rgba(10,60,100,.06)}
.item-head{display:flex;align-items:center;gap:10px;padding:8px 10px;cursor:pointer;user-select:none}
.item-head:hover{background:#f7fafc}
.item-head .caret{color:var(--muted);font-size:.8rem;width:14px;transition:transform .15s}
.item.open>.item-head .caret{transform:rotate(90deg)}
.item-head .mini{display:inline-block;width:38px;height:28px;object-fit:cover;border-radius:3px;border:1px solid var(--line);flex:0 0 auto;background:#eef1f4}
.item-head .title{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:600;font-size:.92rem}
.item-head .sub{color:var(--muted);font-weight:400;font-size:.82rem;margin-left:8px}
.item-head .ctl{display:flex;gap:4px;flex:0 0 auto}
.item-body{padding:14px 14px 4px;border-top:1px solid var(--line)}
.list-add{margin-top:10px}
.strrow{display:flex;gap:6px;margin-bottom:6px;align-items:flex-start}
.strrow textarea,.strrow input{flex:1}
.list-empty{color:var(--muted);font-style:italic;padding:6px 2px}
.nested{margin-left:0}
.groupbox{border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:7px;padding:14px;margin-bottom:16px;background:#fbfcfe}

/* ---------- rich text ---------- */
.rte .ql-container{font:inherit;min-height:220px;background:#fff;border-radius:0 0 6px 6px}
.rte .ql-editor{min-height:220px;font-size:15px;line-height:1.6}
.rte .ql-toolbar{border-radius:6px 6px 0 0;background:#f7f9fb}

/* ---------- backups / misc ---------- */
table.simple{width:100%;border-collapse:collapse}
table.simple th,table.simple td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:.9rem}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#1d2733;color:#fff;padding:10px 18px;border-radius:8px;z-index:50;box-shadow:0 8px 30px rgba(0,0,0,.25);font-size:.92rem;max-width:90vw}
.toast.err{background:var(--danger)}
.spinner{display:inline-block;width:14px;height:14px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}

@media (max-width:820px){
  .menu-btn{display:block}
  .sidebar{position:fixed;left:0;top:56px;z-index:30;transform:translateX(-100%);transition:transform .2s;box-shadow:4px 0 24px rgba(0,0,0,.15)}
  .sidebar.open{transform:none}
  .content{padding:18px 14px 90px}
  .grid2{grid-template-columns:1fr}
  .topbar{flex-wrap:wrap}
  .topbar .brand span{max-width:50vw}
}