:root{
  --bg:#f4f6f8; --card:#fff; --line:#d9dee3; --ink:#1f2933; --muted:#67727e;
  --brand:#c0392b; --brand2:#2e7d32; --accent:#2563eb; --warn:#b45309; --dev:#7c3aed;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI","Hiragino Kaku Gothic ProN","Meiryo",sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}
.topbar{display:flex;align-items:center;gap:12px;background:#1f2933;color:#fff;
  padding:10px 18px;position:sticky;top:0;z-index:10}
.topbar .brand{font-weight:700}
.topbar .beta{color:#ffd27a;font-size:.8em;font-weight:600}
.topbar .spacer{flex:1}
.topbar .user{color:#cfd8e3}
.topbar .logout{color:#ffd27a;text-decoration:none;margin-left:14px}
.container{max-width:1100px;margin:0 auto;padding:18px}
.page-title{font-size:1.3rem;margin:.2em 0 .6em}
.page-title .acct{font-size:.7em;color:var(--muted);font-weight:500}

.flash{padding:8px 12px;border-radius:8px;margin:8px 0;font-weight:600}
.flash.ok{background:#e7f6ec;color:#1b5e20;border:1px solid #b6dfc2}
.flash.warn{background:#fff4e5;color:#8a4b00;border:1px solid #f0cd9a}
.flash.dev{background:#f1e9fb;color:#5b21b6;border:1px solid #d6c2f0}

.step{background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;margin:14px 0}
.step h3{margin:.1em 0 .5em;font-size:1.05rem}
.hint{color:var(--muted);font-size:.85em;margin:.2em 0}
.hint.ok{color:var(--brand2)} .hint.warn{color:var(--warn)}
.empty{color:var(--muted);padding:20px;text-align:center}

textarea,input[type=text],input[type=email],input[type=password],input[type=date],select{
  width:100%;padding:7px 9px;border:1px solid var(--line);border-radius:7px;
  font:inherit;background:#fff;color:var(--ink)}
textarea.mono{font-family:"Consolas","Courier New",monospace;font-size:12px}
label{display:block;margin:6px 0;font-size:.85em;color:var(--muted)}
label input,label textarea,label select{margin-top:3px}
button{cursor:pointer;border:none;border-radius:8px;padding:8px 16px;font:inherit;
  font-weight:600;background:#e6eaee;color:#1f2933}
button.primary{background:var(--brand);color:#fff}
button.danger{background:#fff;color:var(--brand);border:1px solid var(--brand)}
button:hover{filter:brightness(.96)}

.searchform{display:flex;gap:10px;align-items:flex-start}
.searchform textarea{flex:1}
.searchbtns{display:flex;flex-direction:column;gap:6px}
.searchbtns button{white-space:nowrap}
.staffbar{margin:10px 0}
.staffbar select{max-width:280px}
.datebar{display:flex;gap:8px;align-items:center;margin:6px 0 12px}
.datebar input{max-width:200px}

.card{background:var(--card);border:1px solid var(--line);border-radius:10px;
  margin:8px 0;overflow:hidden}
.card>summary{cursor:pointer;padding:9px 12px;font-size:.9em;background:#fbfcfd;
  user-select:none;list-style:none}
.card>summary::-webkit-details-marker{display:none}
.card[open]>summary{border-bottom:1px solid var(--line);background:#f0f4f8}
.card .grid{display:grid;grid-template-columns:3fr 2fr;gap:16px;padding:12px}
@media(max-width:820px){.card .grid{grid-template-columns:1fr}}
/* ヤフオク!スタイル：上から順の1カラム */
.cardbody{max-width:800px;padding:12px}
.cardbody>fieldset,.cardbody>form>fieldset{margin:12px 0}
.cardbody legend{font-size:.9em;font-weight:700;color:var(--ink);padding:0 6px}
.row2{display:flex;gap:12px;flex-wrap:wrap}
.row2>label{flex:1;min-width:180px}
fieldset{border:1px solid var(--line);border-radius:8px;padding:8px 10px;margin:8px 0}
legend{font-size:.8em;color:var(--muted);padding:0 5px}
.row{display:flex;gap:12px;align-items:flex-end}
.row .cost{white-space:nowrap;color:var(--muted);padding-bottom:8px}
.preview{background:#f6f8fa;border-radius:6px;padding:6px 8px;margin:6px 0;
  font-size:.85em;word-break:break-all}
.count{font-size:.8em;margin:.2em 0}
.over{color:var(--brand);font-weight:700}
.ok{color:var(--brand2)}
.delform{padding:0 12px 12px;text-align:right}

.login-card{max-width:380px;margin:8vh auto;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:26px 28px}
.login-card h2{margin:0 0 14px}
.login-card button{width:100%;margin-top:12px}

/* カテゴリ */
.catwrap{margin:0 12px 10px}
.catbox{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.catbox .catform{display:flex;flex-wrap:wrap;gap:8px}
.catbox select{width:auto;min-width:150px}
.catbox .catidform{margin-left:auto}
.catbox .catidform input{width:180px}
.catbox .hint{flex-basis:100%;margin:2px 0 0}
.remarks{background:#f6f8fa;border-radius:6px;padding:6px 8px}

/* 商品説明プレビュー（読み取り専用・自動生成HTML） */
.htmlprev{margin:0 12px 10px;border:1px dashed var(--line);border-radius:8px;background:#fcfcfd}
.htmlprev>summary{cursor:pointer;padding:8px 10px;font-size:.85em;color:var(--muted)}
.htmlprev-body{max-height:420px;overflow:auto;padding:10px;background:#fff;border-top:1px dashed var(--line)}
.htmlprev-body img{max-width:100%;height:auto}
.htmlprev-body table{max-width:100%}
/* 写真サムネイル（プレビュー上部） */
.photostrip{margin:0 0 12px;padding:8px;background:#f0f4f8;border:1px solid var(--line);border-radius:8px}
.photostrip .ptitle{font-size:.85em;color:var(--muted);font-weight:600}
.photostrip.nophoto{color:var(--warn)}
.pthumbs{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.pthumbs img{width:96px;height:96px;object-fit:cover;border:1px solid var(--line);border-radius:6px;background:#fff;cursor:zoom-in}

/* 読込インジケータ */
#busy{position:fixed;top:10px;right:14px;background:#1f2933;color:#ffd27a;
  padding:6px 12px;border-radius:20px;font-size:.8em;font-weight:600;
  box-shadow:0 2px 8px rgba(0,0,0,.2);display:none;z-index:50}
body.busy #busy{display:block}