:root{
  --bg:#f6f5f2; --panel:#fff; --ink:#1d1f23; --muted:#6b6f76; --line:#e4e2dc;
  --accent:#1f5f4a; --accent-ink:#fff; --accent-soft:#e3efe9;
  --warn:#9a5b00; --warn-soft:#fbf0dc; --err:#a3261e; --err-soft:#fbe5e2;
  --radius:8px; --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Noto Sans JP",sans-serif}
a{color:var(--accent)}
.top{display:flex;align-items:center;gap:24px;padding:0 24px;height:52px;background:var(--ink);color:#fff;position:sticky;top:0;z-index:5;overflow-x:auto}
.top .brand{color:#fff;font-weight:650;text-decoration:none;white-space:nowrap;letter-spacing:.2px}
.top nav{display:flex;gap:4px;align-items:center;flex:1}
.top nav a,.top nav button.link{color:#c9ccd1;text-decoration:none;padding:6px 10px;border-radius:6px;white-space:nowrap;font:inherit;background:none;border:0;cursor:pointer}
.top nav a:hover,.top nav button.link:hover{color:#fff;background:#ffffff14}
.top nav a.on{color:#fff;background:#ffffff1f}
.top nav form{margin-left:auto}
main{max-width:1180px;margin:0 auto;padding:24px 16px 64px}
h1{font-size:22px;margin:0 0 4px;font-weight:650}
h2{font-size:15px;margin:0 0 12px;font-weight:650}
.sub{color:var(--muted);margin:0 0 20px}
.head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.head .sub{margin:0}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:18px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:18px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.stat b{display:block;font-size:24px;font-weight:650;font-variant-numeric:tabular-nums}
.stat span{color:var(--muted);font-size:12px}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
tr:last-child td{border-bottom:0}
.tablewrap{overflow-x:auto}
.mono{font-family:var(--mono);font-size:12.5px}
.muted{color:var(--muted)}
.small{font-size:12px}
.err-text{color:var(--err)}
label{display:block;font-weight:600;font-size:13px;margin:0 0 4px}
.field{margin-bottom:14px}
.hint{color:var(--muted);font-size:12px;font-weight:400;margin-top:3px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=time],select,textarea{
  width:100%;padding:8px 10px;border:1px solid #cfccc4;border-radius:6px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
textarea{font-family:var(--mono);font-size:12.5px;min-height:120px}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.checks label{font-weight:400;display:flex;gap:6px;align-items:center;border:1px solid var(--line);border-radius:6px;padding:6px 10px;margin:0;cursor:pointer;background:#fff}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:6px;border:1px solid #cfccc4;background:#fff;color:var(--ink);font:inherit;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{background:#f2f1ed}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.danger{color:var(--err);border-color:#e6c3bf}
.btn.sm{padding:4px 9px;font-size:12px}
.actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
form.inline{display:inline}
.flash{padding:10px 14px;border-radius:6px;margin-bottom:14px;background:var(--accent-soft);border:1px solid #c5dfd3}
.flash.err{background:var(--err-soft);border-color:#efc5c0;color:var(--err)}
.badge{display:inline-block;padding:1px 8px;border-radius:999px;font-size:11.5px;font-weight:600;background:#eceae4;color:#4a4d52}
.b-running,.b-sent{background:var(--accent-soft);color:var(--accent)}
.b-paused,.b-queued{background:#eceae4;color:#4a4d52}
.b-draft{background:#e7ecf6;color:#2d4f8a}
.b-done{background:#e9e4f3;color:#5b3f8f}
.b-failed,.b-off{background:var(--err-soft);color:var(--err)}
.b-skipped,.b-sending{background:var(--warn-soft);color:var(--warn)}
.bar{height:6px;background:#eceae4;border-radius:3px;overflow:hidden;min-width:80px}
.bar i{display:block;height:100%;background:var(--accent)}
.preview{width:100%;height:560px;border:1px solid var(--line);border-radius:6px;background:#fff}
.editor{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.editor textarea{min-height:520px}
.tags code{background:#f0eee9;padding:1px 5px;border-radius:4px;font-size:12px;cursor:pointer}
.empty{padding:28px;text-align:center;color:var(--muted)}
.center{max-width:420px;margin:12vh auto}
.note{background:var(--warn-soft);border:1px solid #f0dcb5;color:#6b4300;padding:10px 14px;border-radius:6px;font-size:13px}
.tabs{display:flex;gap:4px;margin-bottom:10px;flex-wrap:wrap}
.tabs a{padding:4px 10px;border-radius:6px;text-decoration:none;color:var(--muted);font-size:13px}
.tabs a.on{background:var(--ink);color:#fff}
@media (max-width:820px){.editor{grid-template-columns:1fr}.editor textarea{min-height:320px}}