/* transfer/assets/style.css */
*, *::before, *::after { box-sizing: border-box; }
:root {
  --bg: #f5f6f8;
  --fg: #1f2328;
  --muted: #6a737d;
  --border: #d0d7de;
  --primary: #2563eb;
  --primary-fg: #fff;
  --danger: #b42318;
  --ok: #137333;
  --card: #fff;
  --code-bg: #f3f4f6;
}
html, body { background: var(--bg); color: var(--fg); }
body {
  font-family: -apple-system, "BlinkMacSystemFont", "Segoe UI", "Hiragino Kaku Gothic ProN",
    "Hiragino Sans", "Yu Gothic UI", Meiryo, system-ui, sans-serif;
  margin: 0;
  padding: 24px 16px;
  line-height: 1.6;
  font-size: 15px;
}
main.card, main.upload {
  max-width: 720px;
  margin: 16px auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
h1 { margin: 0 0 16px; font-size: 22px; }
h2 { margin: 24px 0 8px; font-size: 17px; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 13px; }
.error { color: var(--danger); font-weight: 600; }
.ok    { color: var(--ok); font-weight: 600; }

dl.meta { display: grid; grid-template-columns: 6em 1fr; gap: 6px 12px; margin: 0 0 16px; }
dl.meta dt { color: var(--muted); }
dl.meta dd { margin: 0; word-break: break-all; }

label { display: block; margin: 12px 0; }
label > input, label > select {
  display: block;
  margin-top: 4px;
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 15px;
  background: #fff;
}
button {
  background: var(--primary);
  color: var(--primary-fg);
  border: 0;
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.danger { background: var(--danger); }
button.secondary { background: #fff; color: var(--fg); border: 1px solid var(--border); }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 28px;
  text-align: center;
  color: var(--muted);
  background: #fafbfc;
  cursor: pointer;
}
.dropzone.over { border-color: var(--primary); background: #eff5ff; color: var(--primary); }
.dropzone input[type=file] { display: none; }

progress { width: 100%; height: 14px; }
.progress-label { font-size: 13px; margin-top: 4px; color: var(--muted); }

.result {
  margin-top: 20px;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 8px;
  padding: 16px;
}
.result h2 { margin-top: 0; color: #075985; }

.kv { display: grid; grid-template-columns: 8em 1fr auto; gap: 6px 8px; align-items: center; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-all; font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; }
.kv .copy-btn {
  background: #fff; border: 1px solid var(--border); color: var(--fg);
  padding: 4px 10px; border-radius: 6px; font-size: 12px; cursor: pointer; font-weight: 500;
}
.kv .copy-btn.copied { background: var(--ok); color: #fff; border-color: var(--ok); }

textarea.copyall {
  width: 100%; min-height: 140px; margin-top: 8px;
  padding: 10px;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--code-bg);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 13px;
  resize: vertical;
}
.copyall-actions { margin-top: 8px; display: flex; gap: 8px; }

.history { margin-top: 28px; }
.history h2 { margin-bottom: 8px; }
.history-item {
  border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px; margin: 8px 0;
  font-size: 13px;
}
.history-item .filename { font-weight: 600; }
.history-item .url { font-family: ui-monospace, monospace; color: var(--primary); word-break: break-all; }
.history-item details { margin-top: 4px; }
.history-item summary { cursor: pointer; color: var(--muted); }

/* ---- ページヘッダ・管理画面リンク ---- */
.page-header { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.page-header h1 { margin: 0; }
.admin-link {
  font-size: 13px;
  color: var(--primary);
  text-decoration: none;
  white-space: nowrap;
}
.admin-link:hover { text-decoration: underline; }

/* ---- 管理画面 ---- */
body.admin { padding: 16px; }
.admin-wrap {
  max-width: 1240px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.admin-header h1 { margin: 0; }
.admin-header nav { display: flex; gap: 12px; align-items: center; }
.admin-header nav a { color: var(--primary); text-decoration: none; font-size: 14px; }
.admin-header nav a.btn-secondary {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
}
.admin-header nav a:hover { text-decoration: underline; }

.summary {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 6px;
  padding: 10px 14px;
  margin: 8px 0 16px;
  font-size: 14px;
}
.flash {
  border-radius: 6px;
  padding: 8px 14px;
  margin: 8px 0;
  font-size: 14px;
}
.flash.ok    { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; }
.flash.error { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }

.table-wrap { overflow-x: auto; }
table.files {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.files th, table.files td {
  border-bottom: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
table.files th {
  background: #f9fafb;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}
table.files td.num, table.files th.num { text-align: right; white-space: nowrap; }
table.files td.actions, table.files th.actions { white-space: nowrap; }
table.files .filename { word-break: break-all; max-width: 260px; }
table.files .small { font-size: 11px; }
table.files tr.status-expired { background: #fef9c3; color: #92400e; }
table.files tr.status-uploading { background: #f3f4f6; color: var(--muted); }
table.files .expired { color: #92400e; font-weight: 600; }

button.mini {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--fg);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 5px;
  cursor: pointer;
  margin-right: 4px;
}
button.mini.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
button.mini.copied { background: var(--ok); color: #fff; border-color: var(--ok); }
button.mini:hover:not(.danger):not(.copied) { background: var(--code-bg); }