:root{
  --bg:#f2f3f1;
  --ink:#14171a;
  --paper:#ffffff;
  --line:#dfe1de;
  --muted:#6b7076;

  --yellow:#ffd400;

  --free:#16a34a;
  --free-bg:#d9f7e3;
  --full:#e11d2e;
  --full-bg:#fde1e3;
  --mine:#2563eb;
  --mine-bg:#dce8fd;
}
*{box-sizing:border-box;}
html,body{ height:100%; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Zen Kaku Gothic New', sans-serif;
  -webkit-font-smoothing:antialiased;
}
.stripe{
  height:8px;
  background:repeating-linear-gradient(135deg, var(--yellow) 0 14px, var(--ink) 14px 28px);
}
.wrap{ max-width:640px; margin:0 auto; padding:0 0 60px; }

header{
  padding:18px 18px 14px;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:5;
}
.header-row{ display:flex; align-items:center; justify-content:space-between; gap:10px; }
h1{
  font-family:'Barlow Condensed', sans-serif;
  font-weight:800; font-size:26px; letter-spacing:.02em;
  margin:0;
}
.sub{ color:var(--muted); font-size:12px; margin-top:2px; }
.gear-btn{
  border:1px solid var(--line); background:var(--paper); border-radius:50%;
  width:38px; height:38px; font-size:16px; cursor:pointer; flex:none;
  display:flex; align-items:center; justify-content:center;
}
.name-row{
  margin-top:14px; display:flex; align-items:center; gap:8px;
  background:var(--bg); border:1px solid var(--line); border-radius:10px;
  padding:9px 12px;
}
.name-row label{ font-size:12px; color:var(--muted); white-space:nowrap; }
.name-row input{
  border:none; outline:none; background:transparent; font-family:inherit;
  font-size:16px; color:var(--ink); flex:1; min-width:0;
}

.offline-banner{
  display:none; margin:12px 16px 0; padding:9px 14px; border-radius:10px;
  background:var(--full-bg); border:1px solid var(--full); color:#a3182a; font-size:12.5px;
}
.offline-banner.show{ display:block; }

.status-banner{
  margin:14px 16px 0;
  border-radius:12px; padding:14px 16px;
  background:var(--mine-bg); border:1px solid var(--mine);
  display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
}
.status-banner .txt{ font-size:14px; color:var(--ink); }
.status-banner .lot-badge{ font-family:'Barlow Condensed', sans-serif; font-weight:800; font-size:15px; color:var(--mine); }
.status-banner .time{ color:var(--muted); font-size:12.5px; }
.out-btn{
  font-family:inherit; font-weight:700; font-size:14px;
  background:var(--mine); color:#fff; border:none; border-radius:20px;
  padding:9px 18px; cursor:pointer;
}
.out-btn:active{ transform:scale(.97); }

.cards{ padding:16px; display:flex; flex-direction:column; gap:14px; }

.lot-card{
  background:var(--paper); border:1px solid var(--line); border-radius:16px;
  padding:16px 16px 14px; position:relative; overflow:hidden;
}
.lot-card.full{ border-color:var(--full); }
.lot-card.has-mine{ border-color:var(--mine); }

.lot-top{ display:flex; align-items:flex-start; justify-content:space-between; gap:10px; }
.lot-name-group{ display:flex; align-items:center; gap:9px; }
.lot-tag{
  font-family:'Barlow Condensed', sans-serif; font-weight:800; font-size:13px;
  line-height:1; color:var(--muted);
  background:var(--bg); border:1px solid var(--line); border-radius:7px;
  padding:4px 7px;
}
.lot-name{ font-size:16px; font-weight:700; color:var(--ink); }
.lot-count{ text-align:right; }
.lot-count .num{ font-family:'Barlow Condensed', sans-serif; font-weight:700; font-size:20px; }
.lot-count .label{ font-size:10.5px; color:var(--muted); letter-spacing:.03em; }
.lot-count.free .num{ color:var(--free); }
.lot-count.full .num{ color:var(--full); }

.slots{ display:flex; flex-wrap:wrap; gap:8px; margin:14px 0 4px; }
.space-chip{
  font-family:'Barlow Condensed', sans-serif; font-weight:700; font-size:14px;
  min-width:38px; height:38px; padding:0 8px;
  border-radius:9px; border:1.5px solid var(--line); background:var(--bg); color:var(--ink);
  cursor:pointer; transition:transform .1s ease;
}
.space-chip:active{ transform:scale(.94); }
.space-chip.free{ background:var(--free-bg); border-color:var(--free); color:#0f6b32; }
.space-chip.free[disabled]{ background:var(--bg); border-color:var(--line); color:var(--muted); cursor:not-allowed; }
.space-chip.taken{ background:var(--ink); border-color:var(--ink); color:#fff; cursor:not-allowed; opacity:.55; }
.space-chip.mine{ background:var(--mine); border-color:var(--mine); color:#fff; }
.hint-text{ margin-top:10px; font-size:11.5px; color:var(--muted); font-style:italic; }

.occupants{ margin-top:10px; font-size:12.5px; color:var(--ink); display:flex; flex-wrap:wrap; gap:6px; }
.occupant-chip{ background:var(--bg); border:1px solid var(--line); border-radius:20px; padding:3px 10px; display:inline-flex; align-items:center; gap:5px; }
.occupant-chip.me{ background:var(--mine-bg); border-color:var(--mine); color:var(--mine); font-weight:700; }
.occupant-chip .t{ color:var(--muted); font-size:11px; }
.no-occupants{ color:var(--muted); font-size:12px; font-style:italic; }

.in-btn{
  margin-top:12px; width:100%; font-family:inherit; font-weight:700; font-size:15px;
  background:var(--ink); color:#fff; border:none; border-radius:10px;
  padding:11px; cursor:pointer;
}
.in-btn:active{ transform:scale(.98); }
.in-btn:disabled{ background:var(--line); color:var(--muted); cursor:not-allowed; }
.in-btn.full-btn{ background:var(--full); }

.footer-row{ display:flex; align-items:center; justify-content:space-between; padding:0 16px; margin-top:4px; }
.status-line{ font-size:11.5px; color:var(--muted); }
.refresh-btn{
  border:1px solid var(--ink); background:transparent; color:var(--ink);
  font-family:inherit; font-size:12px; padding:7px 14px; border-radius:20px; cursor:pointer;
}
.refresh-btn:active{ transform:scale(.97); }

.name-required{
  margin:0 16px; padding:10px 14px; background:var(--full-bg); border:1px solid var(--full);
  border-radius:10px; font-size:12.5px; color:#a3182a; display:none;
}
.name-required.show{ display:block; }

.modal-overlay{
  position:fixed; inset:0; background:rgba(35,38,42,.5);
  display:none; align-items:flex-end; justify-content:center; z-index:20;
}
.modal-overlay.show{ display:flex; }
.modal{
  background:var(--paper); border-radius:18px 18px 0 0; width:100%; max-width:640px;
  padding:20px 18px 26px; max-height:82vh; overflow-y:auto;
}
.modal h2{ font-family:'Barlow Condensed', sans-serif; font-size:22px; font-weight:800; margin:0 0 4px; }
.modal .desc{ font-size:12px; color:var(--muted); margin-bottom:16px; }
.cfg-row{ display:flex; gap:10px; align-items:flex-start; margin-bottom:14px; }
.cfg-row .letter-tag{ font-family:'Barlow Condensed', sans-serif; font-weight:800; font-size:18px; width:24px; flex:none; text-align:center; padding-top:9px; color:var(--muted); }
.cfg-fields{ flex:1; min-width:0; display:flex; flex-direction:column; gap:6px; }
.cfg-row input[type="text"]{ width:100%; font-family:inherit; font-size:14px; border:1px solid var(--line); border-radius:8px; padding:9px 10px; background:var(--bg); color:var(--ink); }
.cfg-row .cfg-name{ font-weight:700; }
.cfg-row .cfg-spaces{ font-size:13px; color:var(--muted); }
.modal-actions{ display:flex; gap:10px; margin-top:16px; }
.modal-actions button{ flex:1; font-family:inherit; font-weight:700; font-size:14px; border-radius:10px; padding:11px; cursor:pointer; border:none; }
.save-cfg-btn{ background:var(--ink); color:#fff; }
.cancel-cfg-btn{ background:var(--bg); color:var(--ink); border:1px solid var(--line) !important; }

.loading-overlay{
  display:flex; align-items:center; justify-content:center; padding:60px 20px;
  color:var(--muted); font-size:13px;
}