:root{color-scheme:light;
  /* 柔和的藍灰白（不用純白，長時間看不刺眼），文字與按鈕用官網深藍色票 */
  --bg:#eceff4;--ink:#16263a;--muted:#566a82;--line:#cbd4e0;--soft:#e1e7ef;--field:#f6f8fb;--bad:#b3261e;--ok:#1b6e3c}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:300 16px/1.7 "Noto Sans Thai",system-ui,sans-serif}
.pad{padding:24px}.muted{color:var(--muted)}.sm{font-size:14px}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:5}
header.top .wrap{display:flex;gap:16px;align-items:center;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
header.top b{font-weight:500;margin-right:auto}
header.top b.brand{display:flex;align-items:center;gap:10px}
img.logo{width:36px;height:36px;display:block}
img.logo.big{width:88px;height:88px;margin-bottom:12px}
nav.tabs{display:flex;flex-wrap:wrap;gap:0 4px;border-bottom:1px solid var(--line)}
nav.tabs button{border:0;background:none;color:var(--muted);font:inherit;padding:12px 9px;cursor:pointer;white-space:nowrap;border-bottom:2px solid transparent}
nav.tabs button.on{color:var(--ink);border-color:var(--ink)}
h1,h2,h3{font-weight:400;margin:0}
h2{font-size:22px;margin:28px 0 16px}
button,.btn{font:inherit;cursor:pointer}
.b{border:1px solid var(--ink);background:var(--ink);color:var(--bg);padding:8px 20px}
.b.ghost{background:none;color:var(--ink)}
.b.sm{padding:4px 12px;font-size:14px}
.b.danger{border-color:var(--bad);background:none;color:var(--bad)}
.b:disabled{opacity:.4;cursor:default}
label{display:block;margin:14px 0 0;font-size:14px;color:var(--muted)}
input[type=text],input[type=password],input[type=datetime-local],textarea,select{display:block;width:100%;margin-top:4px;padding:8px 10px;border:1px solid var(--line);border-radius:0;background:var(--field);color:var(--ink);font:inherit;font-size:16px}
textarea{resize:vertical;min-height:110px}
input:focus,textarea:focus,select:focus{outline:2px solid var(--ink);outline-offset:0}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.grid2{display:grid;gap:0 16px}@media(min-width:700px){.grid2{grid-template-columns:1fr 1fr}}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top;font-size:15px}
th{font-weight:400;color:var(--muted);font-size:13px}
tr.click{cursor:pointer}tr.click:hover{background:var(--soft)}
.tag{display:inline-block;font-size:12px;padding:0 8px;border:1px solid var(--line);color:var(--muted)}
.tag.pub{border-color:var(--ok);color:var(--ok)}
.msg{padding:10px 12px;margin:12px 0;font-size:15px;border:1px solid var(--line);background:var(--soft)}
.msg.bad{border-color:var(--bad);color:var(--bad)}
.card{border:1px solid var(--line);padding:20px;margin:16px 0}
.login{max-width:420px;margin:12vh auto;padding:0 20px}
.thumbs{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.thumb{width:140px}.thumb img{width:100%;height:100px;object-fit:cover;display:block;background:var(--soft)}
.thumb .row{gap:4px;margin-top:4px}
.codes{font-family:ui-monospace,Menlo,monospace;font-size:18px;line-height:2;background:var(--soft);padding:16px;columns:2}
.check{display:flex;gap:8px;align-items:center;margin-top:14px;color:var(--ink);font-size:16px}
.check input{width:auto;margin:0}
.slide{display:grid;gap:16px}@media(min-width:700px){.slide{grid-template-columns:240px 1fr}}
.slide>img{width:100%;max-height:260px;object-fit:contain;background:var(--soft)}
.slide input[type=text],.slide select{margin-top:8px}

.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.cal-h{background:var(--soft);padding:6px;font-size:12px;color:var(--muted);text-align:center}
.cal-cell{background:var(--field);min-height:76px;padding:4px 6px;cursor:pointer;overflow:hidden}
.cal-cell.empty{background:var(--soft);cursor:default}
.cal-cell.today .cal-d{font-weight:500;text-decoration:underline}
.cal-cell.sel{outline:2px solid var(--ink);outline-offset:-2px}
.cal-d{font-size:13px;display:flex;justify-content:space-between}
.cal-n{background:var(--ink);color:var(--bg);font-size:11px;padding:0 6px;border-radius:9px}
.cal-o{font-size:11px;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--muted)}
@media(max-width:560px){.cal-o{display:none}.cal-cell{min-height:52px}}
input[type=number]{display:block;width:100%;margin-top:4px;padding:8px 10px;border:1px solid var(--line);border-radius:0;background:var(--field);color:var(--ink);font:inherit;font-size:16px}
input:disabled{opacity:.5}
.week{margin-top:8px}
.week-row{display:grid;grid-template-columns:1fr auto;gap:6px 16px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.week-day{grid-column:1/-1}
.week-times{display:flex;gap:8px;align-items:center}
.week-times input{width:auto;margin:0}
.week-closed{margin:0}
@media(min-width:700px){.week-row{grid-template-columns:200px 160px auto}.week-day{grid-column:auto}}
input[type=time]{display:block;margin-top:4px;padding:8px 10px;border:1px solid var(--line);border-radius:0;background:var(--field);color:var(--ink);font:inherit;font-size:16px}
.msg{white-space:pre-line}

/* 收支記帳 */
input[type=date],input[type=month]{display:block;width:100%;margin-top:4px;padding:8px 10px;border:1px solid var(--line);border-radius:0;background:var(--field);color:var(--ink);font:inherit;font-size:16px}
.stats{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin:8px 0}
.stat{border:1px solid var(--line);padding:12px 16px}
.stat .num{font-size:24px;font-variant-numeric:tabular-nums}
.pos{color:var(--ok)}.neg{color:var(--bad)}
td.r,th.r{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.filters{display:grid;gap:0 12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));align-items:end;margin-bottom:12px}
details{margin:12px 0}summary{cursor:pointer;color:var(--muted)}

/* 月趨勢圖 */
.trend h3{margin:0}.legend{display:flex;gap:16px;font-size:14px;margin:8px 0}.legend i,.tip i{display:inline-block;width:12px;height:3px;margin-right:6px;vertical-align:middle}
.chartbox{position:relative}svg.chart{width:100%;height:auto;display:block}
svg.chart .grid{stroke:var(--line);stroke-width:1}svg.chart .axis{stroke:var(--muted);stroke-width:1}svg.chart .tick{fill:var(--muted);font-size:11px;font-family:inherit}
svg.chart .col{outline:none}svg.chart .col:hover rect,svg.chart .col:focus rect{fill:rgba(22,38,58,.07)}
.tip{position:absolute;top:0;z-index:2;background:var(--field);border:1px solid var(--line);padding:8px 12px;font-size:13px;line-height:1.5;pointer-events:none;box-shadow:0 2px 10px rgba(22,38,58,.15);white-space:nowrap}
.tip[hidden]{display:none}.tip strong{font-weight:600}
.trend select{display:inline-block;width:auto;margin:0;font-size:14px;padding:4px 8px}

/* 圖庫挑選視窗 */
.overlay{position:fixed;inset:0;background:rgba(22,38,58,.55);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.dialog{background:var(--bg);border:1px solid var(--line);max-width:920px;width:100%;max-height:88vh;overflow:auto;padding:20px}
.pick-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.pick-item{display:flex;flex-direction:column;gap:4px;align-items:stretch;padding:6px;background:var(--field);border:2px solid var(--line);cursor:pointer;font:inherit;color:inherit;text-align:center}
.pick-item img{width:100%;height:110px;object-fit:contain;background:var(--soft);display:block}
.pick-item:hover{border-color:var(--muted)}.pick-item.on{border-color:#1a6fc0;background:#dce9f7}

header.top a.admin-link.on{font-weight:600;color:var(--ink);text-decoration:none;border-bottom:2px solid var(--ink)}


/* 手機：分頁列維持單行橫向滑動（換行會佔掉四行高度），右緣淡出提示還能滑；頂欄縮小 */
@media(max-width:640px){
  nav.tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;-webkit-mask-image:linear-gradient(to right,#000 92%,transparent);mask-image:linear-gradient(to right,#000 92%,transparent)}
  nav.tabs::-webkit-scrollbar{display:none}
  nav.tabs button{padding:10px 10px;font-size:14px}
  header.top .wrap{gap:4px 12px;padding-top:8px;padding-bottom:8px}
}

/* 圖庫（單一格狀列表＋點開視窗） */
.gallery-wrap{border:2px dashed transparent;padding:4px;margin:0 -4px}
.gallery-wrap.drag{border-color:#1a6fc0;background:#dce9f7}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:14px}
.gtile{display:flex;flex-direction:column;gap:6px;padding:8px;background:var(--field);border:1px solid var(--line)}
.gtile.new{outline:3px solid #f0b866}
.gimg{position:relative;padding:0;border:0;background:var(--soft);cursor:pointer;display:block}
.gimg img{width:100%;height:150px;object-fit:contain;display:block}
.gimg:hover img{opacity:.85}
.gbadge{position:absolute;left:6px;top:6px;background:#1a6fc0;color:#fff;font-size:12px;padding:2px 8px}
.gtile .tags,.dialog .tags{display:flex;gap:4px;flex-wrap:wrap}
.dgrid{display:grid;gap:20px;margin-top:12px}
@media(min-width:760px){.dgrid{grid-template-columns:1.3fr 1fr}}
.dimg{width:100%;max-height:60vh;object-fit:contain;background:var(--soft);display:block}
label.check.big{font-size:16px}

/* Site content：子分頁、頁面開關列、區塊 panel、固定在底部的儲存列 */
.subtabs{display:flex;gap:6px;flex-wrap:wrap;margin:4px 0 18px}
.subtab{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--field);color:var(--muted);padding:7px 16px;border-radius:999px}
.subtab:hover{color:var(--ink);border-color:var(--ink)}
.subtab.on{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.subtab .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);flex:none}
.subtab .dot.off{background:transparent;border:1.5px solid var(--muted)}
.subtab.on .dot.off{border-color:var(--bg)}
.statusrow{display:flex;align-items:center;gap:6px 18px;flex-wrap:wrap;padding:10px 0 14px;border-bottom:1px solid var(--line);margin-bottom:6px}
.statusrow .muted{flex:1 1 280px}
.switch{display:flex;align-items:center;gap:10px;margin:0;color:var(--ink);font-size:16px;cursor:pointer}
.switch input{appearance:none;-webkit-appearance:none;width:42px;height:24px;border-radius:999px;background:var(--line);position:relative;margin:0;cursor:pointer;transition:background .15s;flex:none}
.switch input::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .15s}
.switch input:checked{background:var(--ok)}
.switch input:checked::after{transform:translateX(18px)}
.switch b{font-weight:500}
.panel{border:1px solid var(--line);background:var(--field);padding:20px 22px 22px;margin:18px 0}
.panel>h3{font-size:18px;font-weight:500;margin:0 0 2px}
.panel>.hint{margin:2px 0 8px}
.panel .card{background:var(--bg)}
.savebar{position:sticky;bottom:0;z-index:4;background:var(--bg);border-top:1px solid var(--line);box-shadow:0 -6px 14px rgba(22,38,58,.08);padding:10px 0;margin-top:22px}
.savebar .wrap{padding:0}
.savebar .unsaved{font-size:14px;color:var(--muted);border-left:3px solid #d9a441;padding-left:10px}
.savebar .msg{margin:0;padding:6px 10px}
@media(max-width:560px){.panel{padding:16px 14px 18px}.subtab{padding:6px 12px;font-size:15px}}