:root {
  --bg: #f6f6f3;
  --surface: #ffffff;
  --ink: #23272f;
  --ink-soft: #6b7280;
  --line: #e4e4de;
  --accent: #364fc7;
  --accent-ink: #ffffff;
  --ok: #2b8a3e;   --ok-bg: #e6f4ea;
  --ng: #c92a2a;   --ng-bg: #fdeaea;
  --none: #6b7280; --none-bg: #ededea;
  --warn: #8a6d00; --warn-bg: #f8f0c8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #191b20; --surface: #22252c; --ink: #e8e9eb; --ink-soft: #9aa0aa;
    --line: #33363e; --accent: #7c93f2; --accent-ink: #14162e;
    --ok: #69c179;  --ok-bg: #1d3323;
    --ng: #ef8080;  --ng-bg: #3a1d1d;
    --none: #9aa0aa; --none-bg: #2b2e35;
    --warn: #d9c25e; --warn-bg: #33300f;
  }
}

* { box-sizing: border-box; }
body {
  background: var(--bg); color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Noto Sans JP", Meiryo, sans-serif;
  line-height: 1.6; margin: 0; padding: 24px 20px 64px;
}
a { color: var(--accent); }
.wrap { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }

header.top { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; }
h1 { font-size: 20px; margin: 0; letter-spacing: .01em; }
h1 a { color: inherit; text-decoration: none; }
.sub { color: var(--ink-soft); font-size: 13px; }
.spacer { flex: 1; }
.userbox { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-soft); }
.userbox form { margin: 0; }

.monthbar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 16px;
}
.monthnav { display: flex; align-items: center; gap: 14px; }
.monthnav a.nav {
  border: 1px solid var(--line); border-radius: 8px; width: 32px; height: 32px;
  display: grid; place-items: center; font-size: 14px; color: var(--ink); text-decoration: none;
}
.monthnav a.nav:hover { border-color: var(--accent); color: var(--accent); }
.monthnav .ym { font-size: 17px; font-weight: 600; font-variant-numeric: tabular-nums; }
.totals { display: flex; gap: 24px; }
.total .label { font-size: 12px; color: var(--ink-soft); }
.total .num { font-weight: 600; font-variant-numeric: tabular-nums; }
.total .bar { width: 130px; height: 5px; border-radius: 3px; background: var(--none-bg); overflow: hidden; margin-top: 4px; }
.total .bar i { display: block; height: 100%; background: var(--ok); }

.filters { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-soft); }
.toggle, .teamsel, button.btn {
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  border-radius: 999px; padding: 5px 14px; font-size: 13px; cursor: pointer; font-family: inherit;
}
.toggle[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.toggle:hover, .teamsel:hover, button.btn:hover { border-color: var(--accent); }
.toggle:focus-visible, .teamsel:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.grid-scroll { overflow-x: auto; display: flex; flex-direction: column; gap: 20px; }
.rowgrid { display: grid; gap: 0 12px; align-items: center; }
.cols-2 { grid-template-columns: minmax(220px, 1fr) 170px; }
.cols-3 { grid-template-columns: minmax(220px, 1fr) 150px 150px; }
.colhead {
  padding: 0 16px; margin-bottom: -14px; min-width: 480px;
  font-size: 12px; color: var(--ink-soft); letter-spacing: .05em;
}
.colhead .c { text-align: center; }
.colhead .tag {
  font-size: 10px; border: 1px solid var(--line); border-radius: 999px;
  padding: 0 6px; margin-left: 4px; letter-spacing: 0;
}

section.team {
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  overflow: hidden; min-width: 480px;
}
.team h2 {
  font-size: 13px; margin: 0; padding: 10px 16px; letter-spacing: .06em;
  color: var(--ink-soft); border-bottom: 1px solid var(--line); font-weight: 600;
  display: flex; justify-content: space-between;
}
.team h2 .count { font-variant-numeric: tabular-nums; font-weight: 400; }
ul.members { list-style: none; margin: 0; padding: 0; }
ul.members li { padding: 9px 16px; border-bottom: 1px solid var(--line); }
ul.members li:last-child { border-bottom: none; }

.who { display: flex; align-items: center; gap: 12px; min-width: 0; }
.avatar {
  width: 30px; height: 30px; border-radius: 50%; flex: none; overflow: hidden;
  display: grid; place-items: center; font-size: 13px; font-weight: 600; color: #fff;
  background: var(--accent);
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.name .you { font-size: 11px; color: var(--accent); margin-left: 6px; }

.cell { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.badge {
  font-size: 12px; font-weight: 600; border-radius: 999px;
  padding: 2px 12px; display: inline-flex; align-items: center; gap: 6px;
}
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.b-ok   { color: var(--ok);   background: var(--ok-bg); }
.b-ng   { color: var(--ng);   background: var(--ng-bg); }
.b-none { color: var(--none); background: var(--none-bg); }
.b-none::before, .b-skip::before { display: none; }
.b-skip { color: var(--ink-soft); background: transparent; font-weight: 400; }
.b-warn { color: var(--warn); background: var(--warn-bg); }
.cell .date { font-size: 11px; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.c-ok { color: var(--ok) !important; }
.c-warn { color: var(--warn) !important; }

.claim {
  border: 1px solid var(--accent); color: var(--accent); background: transparent;
  border-radius: 8px; font-size: 11px; padding: 2px 8px; cursor: pointer; margin-top: 2px; font-family: inherit;
}
.claim:hover { background: var(--accent); color: var(--accent-ink); }

footer.meta { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 12px; color: var(--ink-soft); }
.alert {
  background: var(--warn-bg); color: var(--warn); border-radius: 8px;
  padding: 8px 14px; font-size: 13px;
}

/* ---- ログイン・管理画面 ---- */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 18px 20px; display: flex; flex-direction: column; gap: 12px;
}
.card h2 { font-size: 15px; margin: 0; }
.card .desc { font-size: 13px; color: var(--ink-soft); margin: 0; }
.formrow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; }
.formrow label { color: var(--ink-soft); }
input[type="text"], input[type="number"], input[type="email"], select {
  border: 1px solid var(--line); background: var(--bg); color: var(--ink);
  border-radius: 8px; padding: 5px 10px; font-size: 13px; font-family: inherit;
}
button.primary {
  border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink);
  border-radius: 8px; padding: 6px 16px; font-size: 13px; cursor: pointer; font-family: inherit;
}
button.primary:hover { opacity: .9; }
table.plain { border-collapse: collapse; font-size: 13px; width: 100%; }
table.plain th, table.plain td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--line); }
table.plain th { color: var(--ink-soft); font-weight: 600; font-size: 12px; }
.login-box { max-width: 420px; margin: 10vh auto 0; }
nav.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); }
nav.tabs a {
  padding: 6px 16px; font-size: 13px; text-decoration: none; color: var(--ink-soft);
  border: 1px solid transparent; border-bottom: none; border-radius: 8px 8px 0 0; margin-bottom: -1px;
}
nav.tabs a:hover { color: var(--accent); }
nav.tabs a.current {
  background: var(--surface); color: var(--ink); font-weight: 600;
  border-color: var(--line); border-bottom-color: var(--surface);
}
table.plain input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); }
.devlist { display: flex; flex-direction: column; gap: 6px; }
.devlist button { text-align: left; }