/* 上架者後台 */
body.admin{background:#F3F5F8;min-height:100vh}
.ad{display:grid;grid-template-columns:232px 1fr;min-height:100vh}
.ad-side{align-self:start;background:#16202D;color:#AEBACA;padding:18px 14px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}
.ad-side .logo{color:#fff;font-size:18px;padding:4px 8px 4px}
.ad-side .logo i{width:28px;height:28px;font-size:14px}
.ad-side .role{font-size:12px;color:#6F7D90;padding:0 8px 18px;letter-spacing:.08em}
.ad-nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;font-size:15px;margin-bottom:2px}
.ad-nav a:hover{background:#1E2A3A;color:#fff}
.ad-nav a.on{background:var(--org);color:#fff;font-weight:700}
.ad-nav a .ico{width:20px;text-align:center}
.ad-side .bottom{margin-top:auto;font-size:13px;display:grid;gap:4px}
.ad-side .bottom a{padding:8px 12px;border-radius:8px}
.ad-side .bottom a:hover{background:#1E2A3A;color:#fff}
.ad-main{min-width:0;padding:26px 34px 60px}
.ad-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.ad-top h1{font-size:26px;font-weight:900}
.ad-top p{margin:4px 0 0;color:var(--ink2);font-size:14px}
.ad-top .acts{display:flex;gap:10px;flex-wrap:wrap}
.ad-menu{display:none}

.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.kpi{background:#fff;border-radius:14px;padding:18px 20px;border:1px solid var(--rule)}
.kpi .l{font-size:13.5px;color:var(--ink2)}
.kpi .v{font-size:30px;font-weight:900;color:var(--navy);line-height:1.25;margin-top:4px;font-variant-numeric:tabular-nums}
.kpi .s{font-size:12.5px;color:var(--ink3)}

.box{background:#fff;border-radius:14px;border:1px solid var(--rule);padding:20px 22px;margin-bottom:20px;min-width:0}
.box h2{font-size:17px;font-weight:900;margin-bottom:14px;display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.box h2 small{font-size:13px;font-weight:400;color:var(--ink3)}
.cols{display:grid;grid-template-columns:1.25fr 1fr;gap:20px}

/* 長條圖 */
.chart{position:relative}
.chart svg{width:100%;height:auto;display:block;overflow:visible}
.chart .grid line{stroke:#E8ECF1;stroke-width:1}
.chart .axis text{fill:var(--ink3);font-size:11px;font-family:var(--fb)}
.chart .bar{fill:var(--org)}
.chart .hit{fill:transparent;cursor:crosshair}
.chart .hit:hover+.bar,.chart g.on .bar{fill:var(--org2)}
.tip{position:absolute;pointer-events:none;background:#16202D;color:#fff;border-radius:8px;padding:7px 11px;font-size:12.5px;white-space:nowrap;transform:translate(-50%,-110%);display:none;line-height:1.5;z-index:5}
.tip b{font-size:14px}

/* 表格 */
.tbl-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;font-weight:700;color:var(--ink2);font-size:12.5px;padding:10px 12px;border-bottom:1px solid var(--rule);white-space:nowrap;background:#FAFBFC}
.tbl td{padding:11px 12px;border-bottom:1px solid #EEF1F4;vertical-align:middle}
.tbl tr:hover td{background:#FBFCFD}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl .mono{font-family:ui-monospace,Consolas,monospace;font-size:12.5px;color:var(--ink2)}
.tbl .ct{display:flex;align-items:center;gap:12px;min-width:240px}
.tbl .ct img{width:72px;aspect-ratio:3/2;object-fit:cover;border-radius:7px}
.tbl .ct b{color:var(--navy);display:block;line-height:1.35}
.empty-row{text-align:center;color:var(--ink3);padding:30px!important}

.pill{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;white-space:nowrap}
.pill:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.pub{background:#DDF1EC;color:#17705F}
.pill.soon{background:#FDF1DC;color:#9A5B00}
.pill.draft{background:#EEF0F3;color:#5F6B7A}
.pill.paid{background:#DDF1EC;color:#17705F}
.pill.refunded{background:#F8E1DE;color:#A13226}
.pill.off{background:#EEF0F3;color:#5F6B7A}

.lnk{color:var(--navy2);font-weight:700;background:none;border:0;padding:0;font-size:13.5px}
.lnk:hover{color:var(--org)}
.lnk.red{color:var(--red)}
.acts-cell{display:flex;gap:14px;white-space:nowrap}

.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.in,.sel{border:1.5px solid var(--rule);border-radius:9px;padding:9px 12px;font:inherit;font-size:14px;background:#fff;outline:none;color:var(--ink)}
.in:focus,.sel:focus{border-color:var(--navy)}
.filters .in{min-width:220px;flex:1;max-width:340px}

/* 課程編輯 */
.ed{display:grid;grid-template-columns:1fr 320px;gap:20px;align-items:start}
.ed .side-col{position:sticky;top:20px}
.fg{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}
.fg .full{grid-column:1/-1}
.fl{display:block}
.fl>span{display:block;font-size:13px;font-weight:700;color:var(--ink2);margin-bottom:5px}
.fl>span em{font-style:normal;font-weight:400;color:var(--ink3);margin-left:6px}
.fl .in,.fl .sel,.fl textarea{width:100%}
.fl textarea{border:1.5px solid var(--rule);border-radius:9px;padding:10px 12px;font:inherit;font-size:14px;resize:vertical;outline:none;min-height:90px}
.fl textarea:focus{border-color:var(--navy)}
.covers{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.covers label{cursor:pointer;border-radius:8px;overflow:hidden;border:2.5px solid transparent;position:relative}
.covers label:has(input:checked){border-color:var(--org)}
.covers input{position:absolute;opacity:0}
.covers img{aspect-ratio:3/2;object-fit:cover;width:100%}
.upload{font-size:12px!important;display:flex;align-items:center;justify-content:center;aspect-ratio:3/2;border:2px dashed var(--rule);border-radius:8px;font-size:12.5px;color:var(--ink3);text-align:center;cursor:pointer}
.upload:hover{border-color:var(--org);color:var(--org)}
.status-opts{display:grid;gap:8px}
.status-opts label{display:flex;gap:10px;align-items:flex-start;border:1.5px solid var(--rule);border-radius:10px;padding:10px 12px;cursor:pointer;font-size:14px}
.status-opts label:has(input:checked){border-color:var(--org);background:#FFFBF6}
.status-opts input{accent-color:var(--org);margin-top:4px}
.status-opts b{display:block;color:var(--navy)}
.status-opts small{color:var(--ink3)}
.price-calc{font-size:13px;color:var(--teal);margin-top:6px;min-height:18px}

.chap{border:1px solid var(--rule);border-radius:12px;margin-bottom:14px;overflow:hidden}
.chap-h{display:flex;gap:8px;align-items:center;background:#F7F9FB;padding:10px 12px;border-bottom:1px solid var(--rule)}
.chap-h .in{flex:1;font-weight:700}
.les{display:grid;grid-template-columns:24px 1.3fr 1.4fr 64px auto auto;gap:8px;align-items:center;padding:8px 12px;border-bottom:1px solid #F0F2F5}
.les:last-of-type{border-bottom:0}
.les .n{font-size:12px;color:var(--ink3);text-align:center}
.les .in{padding:7px 10px;font-size:13.5px;min-width:0;width:100%}
.les .fr{font-size:12.5px;color:var(--ink2);display:flex;gap:4px;align-items:center;white-space:nowrap}
.les .fr input{accent-color:var(--teal)}
.ib{background:none;border:0;color:var(--ink3);font-size:15px;padding:4px 6px;border-radius:6px}
.ib:hover{background:#EEF1F5;color:var(--navy)}
.ib.red:hover{color:var(--red);background:#F8E1DE}
.chap-f{padding:8px 12px}
.deck-note{background:#F4F6F9;border-radius:10px;padding:14px 16px;font-size:14px;color:var(--ink2)}
.deck-note b{color:var(--navy)}

.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:#16202D;color:#fff;padding:11px 20px;border-radius:999px;font-size:14px;opacity:0;transition:.25s;pointer-events:none;z-index:99}
.toast.on{opacity:1;transform:translate(-50%,0)}

.cp-form{display:grid;grid-template-columns:1.2fr .8fr .8fr 1.1fr .7fr 1fr auto;gap:10px;align-items:end}

/* 登入 */
.gate{position:fixed;inset:0;background:#16202D;display:grid;place-items:center;z-index:100;padding:20px}
.gate form{background:#fff;border-radius:18px;padding:34px 32px;width:100%;max-width:380px}
.gate h1{font-size:22px;font-weight:900;margin:14px 0 4px}
.gate p{color:var(--ink2);font-size:14px;margin:0 0 20px}
.gate .fl{margin-bottom:14px}

@media (max-width:1100px){
  .kpis{grid-template-columns:1fr 1fr}
  .cols,.ed{grid-template-columns:1fr}
  .ed .side-col{position:static}
  .cp-form{grid-template-columns:1fr 1fr 1fr}
}
@media (max-width:820px){
  .ad{grid-template-columns:1fr}
  .ad-side{position:fixed;left:0;top:0;bottom:0;width:240px;z-index:60;transform:translateX(-100%);transition:transform .25s}
  body.nav-open .ad-side{transform:none;box-shadow:20px 0 50px rgba(0,0,0,.35)}
  .ad-menu{display:inline-flex}
  .ad-main{padding:16px 16px 50px}
  .fg{grid-template-columns:1fr}
  .les{grid-template-columns:20px 1fr auto auto;}
  .les .url,.les .min{grid-column:2/-1}
  .cp-form{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){ .kpis{grid-template-columns:1fr} .kpi .v{font-size:26px} }

/* 投影片上傳 */
.kind-sw{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}
.kind-sw label{border:1.5px solid var(--rule);border-radius:10px;padding:12px 14px;cursor:pointer;display:grid;grid-template-columns:auto 1fr;column-gap:10px;align-items:center}
.kind-sw label:has(input:checked){border-color:var(--org);background:#FFFBF6}
.kind-sw input{accent-color:var(--org);grid-row:span 2}
.kind-sw b{color:var(--navy)} .kind-sw small{color:var(--ink3);grid-column:2}
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;border:2px dashed #CBD3DD;border-radius:12px;padding:34px 20px;cursor:pointer;transition:.15s;background:#FAFBFC}
.drop:hover,.drop.over{border-color:var(--org);background:#FFF8F0}
.drop.busy{opacity:.6;pointer-events:none}
.drop b{color:var(--navy);font-size:15.5px}
.drop small{color:var(--ink3);font-size:13px;max-width:520px;line-height:1.6}
.deck-file{display:flex;align-items:center;gap:14px;border:1px solid var(--rule);border-radius:12px;padding:12px 14px;margin-bottom:12px;flex-wrap:wrap}
.deck-file .ic{width:46px;height:56px;border-radius:7px;background:var(--navy);color:#fff;font-size:11px;font-weight:900;display:grid;place-items:center;flex-shrink:0}
.deck-file .meta{flex:1;min-width:180px}
.deck-file .meta b{display:block;color:var(--navy);word-break:break-all}
.deck-file .meta span{font-size:13px;color:var(--ink2)}
.deck-file .meta em{font-style:normal;color:var(--org);font-weight:700}
.warn{background:#FFF4D6;color:#6B4A00;border-radius:10px;padding:10px 14px;font-size:13.5px;margin-bottom:12px;line-height:1.6}
.ol-prev{margin-bottom:14px;font-size:13.5px}
.ol-prev summary{cursor:pointer;color:var(--navy2);font-weight:700;padding:4px 0}
.ol-prev ol{margin:8px 0 0;padding-left:20px;color:var(--ink2);display:grid;gap:5px;max-height:260px;overflow:auto}
.ol-prev li b{color:var(--navy);margin-right:8px}
@media (max-width:820px){.kind-sw{grid-template-columns:1fr}}