/* Data Transfer — 受取画面・管理画面 共通スタイル */
:root {
  --ink: #1b1f23;
  --muted: #6b7280;
  --line: #e3e6ea;
  --bg: #f6f7f9;
  --accent: #1f6feb;
  --danger: #b42318;
  --ok: #067647;
  --warn: #b54708;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--accent); }

/* ---------- 受取画面 ---------- */
.wrap { max-width: 640px; margin: 0 auto; padding: 32px 20px 64px; }

.site-head { text-align: center; margin-bottom: 24px; }
.brand { font-size: 20px; font-weight: 700; letter-spacing: .04em; }
.brand-sub { font-size: 13px; color: var(--muted); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.card h1 { font-size: 20px; margin: 0 0 8px; }
.subject { font-weight: 600; margin: 0 0 8px; }
.lead { margin: 0 0 20px; }

.alert {
  background: #fdf1f0;
  border: 1px solid #f3c9c5;
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 6px;
}

label { display: block; font-size: 14px; font-weight: 600; margin: 16px 0 6px; }
label.inline { display: inline-block; font-weight: 400; margin-right: 16px; }

input[type=text], input[type=password], input[type=search], input[type=number], select, textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #c9ced6;
  border-radius: 6px;
  font-size: 16px;
  font-family: inherit;
  background: #fff;
}
textarea { line-height: 1.6; }

button, .btn {
  display: inline-block;
  margin-top: 16px;
  padding: 11px 22px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .btn:hover { opacity: .88; }
button.danger { background: var(--danger); }
button.link { background: none; color: var(--danger); padding: 2px 6px; margin: 0; font-size: 13px; }
button.copied { background: var(--ok); }

.filelist { list-style: none; padding: 0; margin: 20px 0 0; }
.filelist li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
.filelist.plain li { display: block; padding: 4px 0; border: 0; }
.fileinfo { min-width: 0; }
.fname { display: block; font-weight: 600; word-break: break-all; }
.fmeta { display: block; font-size: 13px; color: var(--muted); }
a.dl {
  flex: none;
  padding: 9px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.notice {
  margin-top: 24px;
  padding: 14px 16px;
  background: #f3f6fb;
  border-radius: 6px;
}
.notice p { margin: 0 0 4px; }

.muted { color: var(--muted); }
.small { font-size: 13px; }
.hint { font-size: 13px; color: var(--muted); margin: 6px 0 0; }
.req { color: var(--danger); font-size: 12px; }

.site-foot { margin-top: 24px; font-size: 13px; color: var(--muted); text-align: center; }
.site-foot p { margin: 4px 0; }

.drop {
  margin-top: 16px;
  padding: 24px;
  border: 2px dashed #c3cad4;
  border-radius: var(--radius);
  text-align: center;
  background: #fbfcfd;
}
.drop.over { border-color: var(--accent); background: #eef4ff; }
.bar { width: 100%; height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; }
.bar span { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.upstatus { font-size: 13px; color: var(--muted); }
.uprow { display: block; }
.uprow.done .upstatus { color: var(--ok); }
.uprow.error .upstatus { color: var(--danger); }

/* ---------- 管理画面 ---------- */
body.admin { background: #eef0f3; }

.admin-head {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 14px 24px;
  background: #17212b;
  color: #fff;
}
.admin-head .brand { color: #fff; text-decoration: none; }
.admin-head nav { display: flex; gap: 18px; flex-wrap: wrap; }
.admin-head nav a { color: #cfd8e3; text-decoration: none; font-size: 14px; }
.admin-head nav a:hover { color: #fff; }

.admin-body { max-width: 1040px; margin: 0 auto; padding: 24px 20px 64px; }

.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 20px;
}
.panel.narrow { max-width: 620px; }
.panel h1 { font-size: 20px; margin: 0 0 12px; }
.panel h2 { font-size: 16px; margin: 0 0 12px; }
.panel h3 { font-size: 14px; margin: 22px 0 6px; }

.titlerow { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.titlerow h1 { margin: 0; }

.stats { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.stat {
  flex: 1 1 160px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.stat .num { display: block; font-size: 26px; font-weight: 700; line-height: 1.2; }
.stat .lbl { font-size: 13px; color: var(--muted); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 13px; color: var(--muted); font-weight: 600; white-space: nowrap; }
.nowrap { white-space: nowrap; }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.ok { background: #e7f6ee; color: var(--ok); }
.badge.warn { background: #fdf3e7; color: var(--warn); }
.badge.off { background: #eef0f3; color: var(--muted); }

.copyrow { display: flex; gap: 8px; align-items: stretch; }
.copyrow input { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.copyrow button { margin: 0; white-space: nowrap; }

.split { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 8px; }
.split > div { flex: 1 1 280px; }

.actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.inlineform { display: inline-flex; gap: 8px; align-items: center; margin: 0; }
.inlineform button { margin: 0; }
.inlineform select { width: auto; }

.filterbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.filterbar select, .filterbar input { width: auto; }
.filterbar button { margin: 0; }

.checklist { list-style: none; padding: 0; margin: 8px 0; }
.checklist li { padding: 4px 0; }
.checklist input { margin-right: 8px; }

.rules { padding-left: 20px; font-size: 14px; }
.radios { margin-bottom: 4px; }
details { margin-top: 18px; }
summary { cursor: pointer; font-size: 14px; font-weight: 600; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; background: #f1f3f6; padding: 1px 5px; border-radius: 4px; }

@media (max-width: 560px) {
  .wrap { padding: 20px 14px 48px; }
  .card { padding: 20px 16px; }
  .filelist li { flex-direction: column; align-items: flex-start; }
  a.dl { width: 100%; text-align: center; }
}