:root{
  --bg:#f4f4f1;
  --panel:#ffffff;
  --text:#171717;
  --muted:#6e6e6a;
  --line:#ddddda;
  --accent:#111111;
  --soft:#fff1b8;
  --hard:#ffc7c7;
  --early:#dcecff;
  --late:#e8ddff;
  --ok:#e3f4e7;
  --warn:#fff0d6;
  --danger:#ffe1e1;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Noto Sans JP",sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text)}
button,input,select{font:inherit}
button{cursor:pointer}
.topbar{
  position:sticky;top:0;z-index:20;
  display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
  padding:16px max(16px,env(safe-area-inset-left));
  background:rgba(244,244,241,.94);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)
}
.topbar h1{font-size:20px;margin:0 0 2px}
.topbar p{font-size:12px;color:var(--muted);margin:0}
main{max-width:1100px;margin:0 auto;padding:16px 16px 80px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:18px;
  padding:18px;margin-bottom:14px;box-shadow:0 4px 20px rgba(0,0,0,.03)
}
h2{font-size:18px;margin:0 0 14px}
h3{margin:0 0 16px}
.hint{color:var(--muted);font-size:13px;line-height:1.6}
.grid{display:grid;gap:12px}.grid.two{grid-template-columns:repeat(3,minmax(0,1fr))}
label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
input,select{
  width:100%;padding:11px 12px;border:1px solid var(--line);
  border-radius:12px;background:#fff;color:var(--text)
}
.primary,.secondary,.ghost{
  border-radius:12px;padding:10px 14px;border:1px solid var(--accent);font-weight:700
}
.primary{background:var(--accent);color:#fff}
.secondary{background:#fff;color:var(--accent)}
.ghost{background:transparent;color:var(--accent);border-color:var(--line)}
.small{padding:8px 10px;font-size:12px}.big{padding:13px 16px}
.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.staff-list{display:grid;gap:8px}
.staff-item{
  display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;
  padding:12px;border:1px solid var(--line);border-radius:14px
}
.staff-main strong{display:block}.staff-main span{font-size:12px;color:var(--muted)}
.icon-btn{border:1px solid var(--line);background:white;border-radius:10px;padding:8px}
.calendar{
  display:grid;grid-template-columns:repeat(7,minmax(42px,1fr));gap:6px;margin-top:12px
}
.cal-head{font-size:12px;color:var(--muted);text-align:center;padding:6px 0}
.day{
  min-height:58px;border:1px solid var(--line);border-radius:12px;background:#fff;
  padding:7px;text-align:left;position:relative
}
.day.out{opacity:.2;pointer-events:none}
.day.hard{background:var(--hard);border-color:#e89999}
.day.soft{background:var(--soft);border-color:#e7ca6a}
.day.early{background:var(--early);border-color:#8db8ee}
.day.late{background:var(--late);border-color:#b49ae8}
.day .num{font-weight:700}.day .mark{font-size:10px;display:block;margin-top:6px}

.preference-modes{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}
.pref-mode{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 11px;font-size:12px;font-weight:700}
.pref-mode.active{background:#111;color:#fff;border-color:#111}

.legend{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px;font-size:12px;color:var(--muted)}
.legend span{display:flex;align-items:center;gap:5px}.dot{width:12px;height:12px;border-radius:50%;display:inline-block;border:1px solid var(--line)}
.dot.hard{background:var(--hard)}.dot.soft{background:var(--soft)}.dot.early{background:var(--early)}.dot.late{background:var(--late)}.dot.none{background:#fff}
.rule-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.rule-grid div{padding:10px 12px;border-radius:12px;background:#f7f7f4;font-size:13px}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.status{margin-top:14px;padding:12px;border-radius:12px;font-size:13px;line-height:1.6}
.status.ok{background:var(--ok)}.status.warn{background:var(--warn)}.status.danger{background:var(--danger)}
.hidden{display:none}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}
.empty-state{padding:22px;color:var(--muted);text-align:center}
table{border-collapse:collapse;width:100%;min-width:760px}
th,td{border-bottom:1px solid var(--line);padding:9px 8px;text-align:left;font-size:12px;white-space:nowrap}
th{position:sticky;top:0;background:#fafaf8;z-index:2}
tr:last-child td{border-bottom:0}
.shift-cell{display:flex;align-items:center;gap:5px}
.shift-cell select{min-width:110px;padding:7px 8px}
.lock-btn{border:1px solid var(--line);background:white;border-radius:8px;padding:6px 7px}
.lock-btn.locked{background:#111;color:#fff}
.weekend{background:#fffaf3}
.sun{background:#fff3f3}
.stats-bad{font-weight:700}
dialog{border:0;border-radius:18px;padding:0;max-width:420px;width:calc(100% - 32px);box-shadow:0 24px 80px rgba(0,0,0,.25)}
dialog::backdrop{background:rgba(0,0,0,.35)}
#staffForm,.dialog-body{padding:20px;display:grid;gap:14px}
.checks{display:flex;gap:20px}.checks label{flex-direction:row;color:var(--text);align-items:center}
.dialog-actions{display:flex;justify-content:flex-end;gap:8px}
@media(max-width:700px){
  .grid.two{grid-template-columns:1fr}
  .rule-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column}
  .staff-item{grid-template-columns:1fr auto auto}
  .calendar{gap:4px}.day{min-height:52px;padding:6px}
  .topbar p{display:none}
}