:root{
  --teal:#00aebb; --teal-d:#008fa0; --deep:#06333d; --deep-2:#0a4653;
  --ink:#12222c; --body:#4d5f6b; --line:#e2e9ee; --bg:#f4f7f9; --card:#fff;
  --ok:#17a673; --warn:#e8a13a; --off:#9aa7b0; --danger:#e05252;
  --radius:10px; --shadow:0 4px 18px rgba(6,51,61,.07);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink); background:var(--bg);
}
a{color:var(--teal-d);text-decoration:none}
.hidden{display:none !important}

/* login */
.login-wrap{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#06333d,#0a4653 45%,#00aebb 130%)}
.login-card{width:380px;background:#fff;border-radius:14px;padding:32px;box-shadow:0 18px 50px rgba(0,0,0,.25)}
.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.login-brand img{height:34px}
.login-brand h1{font-size:1.05rem;margin:0}
.login-brand p{margin:2px 0 0;font-size:.74rem;color:var(--body);letter-spacing:.04em}
.login-card label{display:block;font-size:.8rem;color:var(--body);margin:12px 0 5px}
.login-card input{width:100%}
.login-tip{font-size:.72rem;color:var(--off);margin:14px 0 0;text-align:center}
.err{color:var(--danger);font-size:.8rem;min-height:18px;margin-top:8px}

/* layout */
.app{display:flex;min-height:100vh}
.side{width:210px;flex:0 0 210px;background:var(--deep);color:#cfe6ea;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.side-brand{padding:18px 18px 12px;border-bottom:1px solid rgba(255,255,255,.08)}
.side-brand img{height:30px}
.side nav{padding:10px 0;flex:1;overflow:auto}
.side nav a{display:flex;align-items:center;gap:10px;padding:11px 18px;color:#a9c8ce;
  cursor:pointer;font-size:.9rem;border-left:3px solid transparent}
.side nav a:hover{background:rgba(255,255,255,.05);color:#fff}
.side nav a.active{background:rgba(0,174,187,.16);color:#fff;border-left-color:var(--teal)}
.side nav a i{font-style:normal;width:16px;text-align:center;opacity:.85}
.side-foot{padding:12px 14px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.side-foot .who{width:100%;font-size:.76rem;color:#8fb2b9;margin-bottom:4px}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{height:58px;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;padding:0 22px;
  position:sticky;top:0;z-index:20}
.top h2{margin:0;font-size:1.02rem;font-weight:600}
.top-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.view{padding:20px 22px 60px;flex:1}

/* buttons / inputs */
.btn{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:8px;
  padding:7px 13px;font-size:.83rem;cursor:pointer;transition:.15s;white-space:nowrap;
  display:inline-flex;align-items:center;gap:5px}
.btn:hover{border-color:var(--teal);color:var(--teal-d)}
.btn.primary{background:var(--teal);border-color:var(--teal);color:#fff}
.btn.primary:hover{background:var(--teal-d);color:#fff}
.btn.ghost{background:transparent}
.btn.danger{color:var(--danger);border-color:#f0cfcf}
.btn.danger:hover{background:var(--danger);color:#fff;border-color:var(--danger)}
.btn.tiny{padding:4px 9px;font-size:.75rem;border-radius:6px}
.btn.block{width:100%;justify-content:center;padding:10px}
.btn[disabled]{opacity:.55;cursor:not-allowed}
input,select,textarea{font:inherit;font-size:.85rem;padding:7px 10px;border:1px solid var(--line);
  border-radius:8px;background:#fff;color:var(--ink);outline:none;max-width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(0,174,187,.12)}
textarea{min-height:88px;resize:vertical;line-height:1.7}
.rich-editor{border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden}
.rich-toolbar{display:flex;gap:4px;flex-wrap:wrap;padding:8px;border-bottom:1px solid var(--line);
  background:#f7fafb;align-items:center}
.rich-toolbar button{border:1px solid transparent;background:transparent;border-radius:6px;
  padding:5px 9px;font-size:.8rem;color:var(--ink);cursor:pointer;min-width:30px}
.rich-toolbar button:hover{background:#fff;border-color:var(--line);color:var(--teal-d)}
.rich-toolbar button.sep{margin-right:8px;padding-right:12px;border-right:1px solid var(--line);
  border-radius:0}
.rich-box{min-height:360px;max-height:70vh;overflow:auto;padding:12px;line-height:1.8;outline:none}
.rich-box:focus{background:#fff}
.rich-box p{margin:0 0 10px}
.rich-box h2,.rich-box h3,.rich-box h4{margin:16px 0 8px;color:var(--deep)}
.rich-box ul,.rich-box ol{margin:0 0 10px;padding-left:24px}
.rich-box img{max-width:100%;height:auto;border-radius:6px;display:block;margin:10px 0}
.rich-box blockquote{border-left:3px solid var(--teal);margin:10px 0;padding-left:12px;color:var(--body)}
.rich-box table{width:100%;border-collapse:collapse;margin:10px 0;font-size:.85rem}
.rich-box td,.rich-box th{border:1px solid var(--line);padding:6px 8px;text-align:left}
label{font-size:.78rem;color:var(--body);display:block;margin:0 0 4px}

/* cards & stats */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:14px;margin-bottom:20px}
.stat-c{background:var(--card);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.stat-c b{display:block;font-size:1.7rem;line-height:1.2;color:var(--deep)}
.stat-c span{font-size:.78rem;color:var(--body)}
.stat-c.teal b{color:var(--teal-d)}
.stat-c.ok b{color:var(--ok)}
.stat-c.warn b{color:var(--warn)}
.panel{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px}
.panel h3{margin:0 0 14px;font-size:.95rem}

/* toolbar & table */
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.toolbar input,.toolbar select{width:auto;min-width:120px}
.toolbar .grow{flex:1}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow)}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{background:#f7fafb;font-size:.76rem;color:var(--body);font-weight:600;white-space:nowrap}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fbfdfd}
td img.thumb{width:46px;height:46px;object-fit:cover;border-radius:6px;background:#eef3f5;display:block}
.tname{font-weight:600;line-height:1.35}
.tsub{font-size:.72rem;color:var(--off)}
.nowrap{white-space:nowrap}
.muted{color:var(--off);font-size:.78rem}

/* badges */
.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:.7rem;font-weight:600}
.badge.on{background:#e4f6ee;color:var(--ok)}
.badge.off{background:#eef1f3;color:var(--off)}
.badge.draft{background:#fdf3e2;color:var(--warn)}
.badge.cat{background:#e6f7f9;color:var(--teal-d)}

/* drawer */
.drawer{position:fixed;inset:0;z-index:60}
.drawer-mask{position:absolute;inset:0;background:rgba(6,51,61,.42)}
.drawer-panel{position:absolute;right:0;top:0;height:100%;width:min(95vw,1200px);background:#fff;
  display:flex;flex-direction:column;box-shadow:-10px 0 40px rgba(0,0,0,.16)}
.drawer-head{padding:14px 20px;border-bottom:1px solid var(--line);display:flex;
  align-items:center;justify-content:space-between}
.drawer-head h3{margin:0;font-size:1rem}
.drawer-body{flex:1;overflow:auto;padding:18px 20px 40px}
.drawer-foot{padding:12px 20px;border-top:1px solid var(--line);display:flex;
  justify-content:flex-end;gap:10px;background:#fbfcfd}

/* form blocks */
.fgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px 14px}
.fgroup{margin-bottom:18px}
.fgroup > h4{margin:0 0 10px;font-size:.85rem;color:var(--deep);
  border-left:3px solid var(--teal);padding-left:8px}
.field{margin-bottom:10px}
.chk-group{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:4px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#fbfcfd}
.chk{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;color:var(--ink);cursor:pointer;margin:0}
.chk input{width:auto;min-width:0}
.field > label{margin-bottom:4px}
.hint{font-size:.72rem;color:var(--off);margin-top:3px}

/* lang tabs */
.ltabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px;border-bottom:1px solid var(--line);padding-bottom:8px}
.ltab{padding:5px 12px;border-radius:20px;font-size:.78rem;cursor:pointer;
  background:#f1f5f7;color:var(--body);border:1px solid transparent}
.ltab.active{background:var(--teal);color:#fff}
.ltab.filled::after{content:"●";font-size:.6rem;margin-left:5px;opacity:.75}
.ltab.req::before{content:"*";color:var(--danger);margin-right:3px}

/* tiers */
.tier-row{display:grid;grid-template-columns:1fr 1fr 1fr 1.4fr auto;gap:8px;
  align-items:end;margin-bottom:8px;padding-bottom:8px;border-bottom:1px dashed var(--line)}

/* image grid */
.imgs{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.imgbox{width:104px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fafcfd}
.imgbox img{width:100%;height:78px;object-fit:cover;display:block;background:#eef3f5}
.imgbox .ops{display:flex;font-size:.7rem}
.imgbox .ops span{flex:1;text-align:center;padding:4px 0;cursor:pointer;color:var(--body)}
.imgbox .ops span:hover{background:#f1f5f7;color:var(--teal-d)}
.imgbox .ops span.del:hover{color:var(--danger)}
.imgbox.cover{border-color:var(--teal);box-shadow:0 0 0 2px rgba(0,174,187,.16)}

/* files grid */
.fgrid2{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.fcard{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}
.fcard .prev{height:96px;background:#f4f8f9;display:flex;align-items:center;justify-content:center;
  font-size:1.8rem;color:#b9c8ce;overflow:hidden}
.fcard .prev img{width:100%;height:100%;object-fit:cover}
.fcard .meta{padding:8px 10px;font-size:.75rem}
.fcard .meta b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fcard .meta .ops{margin-top:6px;display:flex;gap:8px;font-size:.72rem}
.fcard .meta .ops a,.fcard .meta .ops span{cursor:pointer}

/* misc */
.empty{padding:50px;text-align:center;color:var(--off)}
.pager{display:flex;gap:6px;justify-content:center;align-items:center;margin-top:14px}
.toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);
  background:var(--deep);color:#fff;padding:10px 20px;border-radius:24px;font-size:.84rem;
  opacity:0;pointer-events:none;transition:.22s;z-index:99}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{background:var(--danger)}
.busy{position:fixed;inset:0;background:rgba(255,255,255,.6);display:flex;align-items:center;
  justify-content:center;gap:12px;z-index:98;font-size:.9rem;color:var(--deep)}
.spin{width:22px;height:22px;border:3px solid #cfe6ea;border-top-color:var(--teal);
  border-radius:50%;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.logbox{background:#0c2b33;color:#b8e3e9;font:12px/1.7 ui-monospace,Menlo,Consolas,monospace;
  padding:14px;border-radius:8px;max-height:340px;overflow:auto;white-space:pre-wrap}
.chk{display:flex;align-items:center;gap:6px;font-size:.83rem;cursor:pointer}
.chk input{width:auto}
@media(max-width:820px){
  .side{width:60px;flex:0 0 60px}
  .side nav a{justify-content:center;padding:13px 0;font-size:0}
  .side nav a i{font-size:1rem}
  .side-brand,.side-foot .who{display:none}
  .view{padding:14px}
}