[hidden] { display: none !important; }
:root {
  --brand: #B77CEB;
  --brand-dark: #8F4FD0;
  --brand-soft: #F3EAFC;
  --ink: #2B2533;
  --sub: #6B6475;
  --line: #E4DDEB;
  --bg: #FAF8FC;
  --card: #FFFFFF;
  --warn: #FFF5D6;
  --warn-line: #E8CF7A;
  --err: #C8364A;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand: #C595F0; --brand-dark: #D9B6F6; --brand-soft: #2E2440;
    --ink: #EEE9F4; --sub: #A9A1B4; --line: #3A3346; --bg: #17141C; --card: #211D28;
    --warn: #3A3220; --warn-line: #6E5C2B; --err: #FF7A8C;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Meiryo", system-ui, sans-serif;
  font-size: 15px; line-height: 1.7;
}
.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
.brand { font-weight: 700; font-size: 18px; display: flex; align-items: center; gap: 10px; }
.brand small { font-weight: 400; font-size: 12px; color: var(--sub); }
.logo { width: 34px; height: 34px; border-radius: 9px; display: block; }
a.brand { color: inherit; text-decoration: none; }
.top-nav { display: flex; align-items: center; gap: 16px; font-size: 13px; }
.top-nav a { color: var(--sub); }
.top-nav .who { font-weight: 700; }
.quota { background: var(--brand-soft); color: var(--brand-dark); border-radius: 99px; padding: 2px 12px; }
.ok { color: #1F8A5B; margin: 0; font-weight: 700; }

main { max-width: 920px; margin: 0 auto; padding: 24px 16px 120px; }
.login { display: grid; place-items: center; min-height: 70vh; }
.login .card { width: min(360px, 100%); display: grid; gap: 14px; }
.login h1 { margin: 0; font-size: 20px; text-align: center; }
.login-icon { justify-self: center; border-radius: 22px; }
.login label { display: grid; gap: 6px; font-size: 13px; color: var(--sub); }
.err { color: var(--err); margin: 0; }

.drop {
  border: 2px dashed var(--brand); border-radius: 16px; background: var(--card);
  padding: 56px 20px; text-align: center; cursor: pointer; transition: background .15s, transform .15s;
}
.drop:hover, .drop.over { background: var(--brand-soft); }
.drop.over { transform: scale(1.01); }
.drop:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; }
.drop-icon { display: block; margin: 0 auto 14px; border-radius: 24px; transition: transform .2s; }
.drop:hover .drop-icon, .drop.over .drop-icon { transform: rotate(-6deg) scale(1.06); }
.drop-sub2 { margin: 2px 0 0; font-weight: 700; color: var(--brand-dark); }
.drop-main { font-size: 18px; font-weight: 700; margin: 0; }
.drop-sub { color: var(--sub); margin: 4px 0 0; font-size: 13px; }

.status { display: flex; align-items: center; gap: 12px; padding: 18px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; margin-top: 16px; }
.status p { margin: 0; }
.spinner { width: 22px; height: 22px; border: 3px solid var(--brand-soft); border-top-color: var(--brand); border-radius: 50%; animation: spin 1s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.pages { margin-top: 16px; }
.pages-head { margin: 0 0 8px; color: var(--sub); font-size: 13px; }
.thumbs { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 6px; }
.thumb { margin: 0; flex: none; width: 120px; text-align: center; font-size: 12px; color: var(--sub); }
.thumb img { width: 100%; border: 1px solid var(--line); border-radius: 6px; background: #fff; display: block; }
.thumb.blank img { opacity: .35; }

.notes { background: var(--warn); border: 1px solid var(--warn-line); border-radius: 12px; padding: 12px 18px; margin: 20px 0; }
.notes h2 { font-size: 15px; margin: 0 0 4px; }
.notes ul { margin: 0; padding-left: 1.2em; }

.plan { display: grid; gap: 16px; margin-top: 20px; }
.riyosha { display: flex; align-items: center; gap: 12px; }
.riyosha label { font-weight: 700; white-space: nowrap; }
.riyosha input { font-size: 18px; font-weight: 700; max-width: 320px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin: 0; }
legend {
  font-weight: 700; padding: 2px 12px; border-radius: 99px; background: var(--brand-soft);
  color: var(--brand-dark); display: flex; gap: 10px; align-items: center;
}
.del { border: 0; background: none; color: var(--err); cursor: pointer; font-size: 12px; padding: 0; }
.field { display: grid; grid-template-columns: 230px 1fr; gap: 4px 14px; padding: 10px 0; border-bottom: 1px solid var(--line); align-items: start; }
.field:last-child { border-bottom: 0; }
.field label { font-size: 13px; font-weight: 700; color: var(--sub); padding-top: 8px; }
.field .count { grid-column: 2; justify-self: end; font-size: 11px; color: var(--sub); }
.field .count.over { color: var(--err); font-weight: 700; }
.field.empty input, .field.empty textarea { background: var(--warn); border-color: var(--warn-line); }
input[type=text], input[type=password], textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; resize: vertical;
}
input:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: 0; border-color: transparent; }

.btn {
  font: inherit; font-weight: 700; border-radius: 10px; padding: 10px 18px; cursor: pointer;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
}
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.add { justify-self: start; border-style: dashed; color: var(--brand-dark); font-size: 13px; padding: 6px 14px; }

.bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 5;
  display: flex; gap: 10px; align-items: center; justify-content: flex-end;
  padding: 12px 20px; background: var(--card); border-top: 1px solid var(--line);
  box-shadow: 0 -4px 16px rgba(0,0,0,.06);
}
#bar-info { margin-right: auto; font-size: 13px; color: var(--sub); }

@media (max-width: 640px) {
  .field { grid-template-columns: 1fr; }
  .field label { padding-top: 0; }
  .field .count { grid-column: 1; }
  .bar { flex-wrap: wrap; }
  #bar-info { width: 100%; }
}
@media (max-width: 480px) { .brand small { display: none; } }

/* ---------- 管理画面 ---------- */
.admin { max-width: 1180px; display: grid; gap: 18px; }
.admin h1 { margin: 0; font-size: 22px; }
.admin h2 { margin: 0 0 12px; font-size: 16px; }
.flash { border-radius: 12px; padding: 12px 18px; border: 1px solid var(--line); background: var(--card); }
.flash.ok { border-color: #8FD3B2; background: #EAF8F0; }
.flash.err { border-color: var(--err); color: var(--err); }
.flash p { margin: 0; }
.flash .secret { margin-top: 6px; font-size: 16px; }
.flash .secret code { font-size: 20px; background: #fff; padding: 2px 10px; border-radius: 6px; border: 1px solid var(--line); letter-spacing: .05em; color: #2B2533; }
.flash .hint { font-size: 12px; color: var(--sub); margin-top: 4px; }
.summary { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.month label { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--sub); }
select { font: inherit; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); }
.stats { display: flex; gap: 28px; flex-wrap: wrap; }
.stats div { font-size: 13px; color: var(--sub); }
.stats span { display: block; }
.stats b { font-size: 24px; color: var(--ink); margin-right: 2px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 860px; }
th { text-align: left; font-size: 12px; color: var(--sub); font-weight: 700; padding: 8px; border-bottom: 2px solid var(--line); white-space: nowrap; }
td { padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
td input[type=text] { padding: 5px 8px; }
td input.memo { margin-top: 6px; font-size: 12px; }
input[type=number] { font: inherit; width: 70px; padding: 5px 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); }
td.num { white-space: nowrap; }
td.num.over { color: var(--err); font-weight: 700; }
td small { color: var(--sub); }
.warn { color: var(--err) !important; font-weight: 700; }
tr.stopped td { opacity: .55; }
.tag { font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 99px; white-space: nowrap; }
.tag.on { background: #EAF8F0; color: #1F8A5B; }
.tag.off { background: var(--line); color: var(--sub); }
.ops { display: flex; flex-wrap: wrap; gap: 6px; }
.ops form { margin: 0; }
.btn.small { padding: 5px 10px; font-size: 12px; font-weight: 700; }
.empty-row { color: var(--sub); text-align: center; padding: 24px; }
.add { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px 16px; align-items: end; }
.add label { display: grid; gap: 4px; font-size: 13px; color: var(--sub); }
@media (max-width: 640px) { .top-nav { gap: 10px; flex-wrap: wrap; justify-content: flex-end; } .top-nav .who { display: none; } }