:root {
  --bg: #f5f6f8; --card: #fff; --text: #223; --muted: #667;
  --accent: #3b82f6; --danger: #dc2626; --warn: #d97706; --ok: #16a34a;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Hiragino Sans", "Yu Gothic UI", Meiryo, sans-serif;
  padding-bottom: 70px;
}
header { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px; }
h1 { font-size: 1.3rem; margin: 0; }
.card { background: var(--card); border-radius: 10px; margin: 12px 20px; padding: 16px 20px;
        box-shadow: 0 1px 3px rgba(0,0,0,.08); }
button { padding: 8px 16px; border: 0; border-radius: 6px; background: var(--accent);
         color: #fff; cursor: pointer; font-size: 0.95rem; }
button:disabled { opacity: .4; cursor: not-allowed; }
button.danger { background: var(--danger); }
button.warn { background: var(--warn); }
button.ghost { background: transparent; color: var(--muted); border: 1px solid #ccd; }
button.small { padding: 3px 8px; font-size: .75rem; }
.badge { font-size: .8rem; padding: 3px 10px; border-radius: 999px; background: #ddd; }
.badge[data-state="running"] { background: var(--ok); color: #fff; }
.badge[data-state="starting"], .badge[data-state="stopping"] { background: var(--warn); color: #fff; }
.badge[data-state="stopped"] { background: #99a; color: #fff; }
.controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 10px 0; }
.controls label { font-size: .85rem; color: var(--muted); }
.controls input { margin-left: 4px; padding: 6px; border: 1px solid #ccd; border-radius: 6px; }
#waittime { width: 70px; }
table { width: 100%; border-collapse: collapse; margin-top: 6px; }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid #eef; font-size: .9rem; }
#players button.danger { display: none; }
body.admin-unlocked #players button.danger { display: inline-block; }
.admin-unlock { margin: 6px 0; }
.admin-unlock input { padding: 8px; border: 1px solid #ccd; border-radius: 6px; width: min(360px, 100%); }
.announce { display: flex; gap: 8px; margin-top: 12px; }
.announce input { flex: 1; padding: 8px; border: 1px solid #ccd; border-radius: 6px; }
.unban { display: flex; gap: 8px; margin-top: 8px; }
.unban input { flex: 1; padding: 8px; border: 1px solid #ccd; border-radius: 6px; }
td .small { margin-right: 6px; }
#config-details summary { cursor: pointer; list-style-position: outside; }
#config-details summary h2 { display: inline; margin: 0; font-size: 1.17em; }
#config-details summary .summary-hint { margin-left: 10px; color: var(--muted); font-size: .8rem; }
#config-details[open] summary { margin-bottom: 8px; }
.config-row { display: grid; grid-template-columns: minmax(220px, 1fr) 2fr; gap: 10px;
              padding: 8px 4px; border-bottom: 1px solid #eef; align-items: center; }
.config-row.non-default { background: #fffbe8; }
.config-row.changed { background: #e8f3ff; }
.config-label small { display: block; color: var(--muted); }
.range-hint { display: block; color: #8892a6; font-size: .75rem; }
.config-control { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.config-control input[type=text] { width: min(340px, 100%); }
.config-control input, .config-control select { padding: 6px; border: 1px solid #ccd; border-radius: 6px; }
.config-control input.invalid { border-color: var(--danger); background: #fef2f2; }
label.radio { margin-right: 10px; font-size: .9rem; }
#save-bar { position: fixed; bottom: 0; left: 0; right: 0; background: #1f2937; color: #fff;
            display: flex; gap: 12px; align-items: center; justify-content: flex-end; padding: 10px 20px; }
#save-bar[hidden] { display: none; }
#toast { position: fixed; top: 16px; right: 16px; background: #1f2937; color: #fff;
         padding: 10px 16px; border-radius: 8px; white-space: pre-line; z-index: 10; }
#toast[hidden] { display: none; }
#toast.error { background: var(--danger); }
.error { color: var(--danger); }
.login-page { display: grid; place-items: center; min-height: 100vh; padding-bottom: 0; }
.login-box { background: var(--card); padding: 32px; border-radius: 12px; display: flex;
             flex-direction: column; gap: 12px; width: min(320px, 90vw);
             box-shadow: 0 2px 8px rgba(0,0,0,.1); }
.login-box input { padding: 10px; border: 1px solid #ccd; border-radius: 6px; }
@media (max-width: 700px) { .config-row { grid-template-columns: 1fr; } }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
#players { min-width: 560px; }
@media (max-width: 700px) {
  header { padding: 10px 12px; }
  .card { margin: 8px; padding: 12px; }
  h1 { font-size: 1.1rem; }
  .controls { gap: 8px; }
  .controls button { flex: 1 1 calc(50% - 8px); }
  .controls label { flex: 1 1 100%; display: flex; align-items: center; }
  .controls label input { flex: 1; }
  .announce, .unban, .admin-unlock { flex-wrap: wrap; }
  .admin-unlock input { width: 100%; }
  th, td { padding: 6px 6px; font-size: .85rem; }
  #save-bar { flex-wrap: wrap; padding: 8px 12px; }
  input, select, button { font-size: 16px; } /* iOSの自動ズーム防止 */
}