/* 管理画面のスタイル(Next.js版のTailwind neutral系の見た目に寄せた自前CSS。外部依存なし) */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif; color: #171717; line-height: 1.5; font-size: 16px; }
body.admin { background: #fafafa; min-height: 100vh; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
p { margin: 0; }
h1, h2 { margin: 0; }
img { max-width: 100%; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.container { max-width: 72rem; margin: 0 auto; padding: 0 1rem; }
.main { padding-top: 2rem; padding-bottom: 2rem; }

/* ヘッダー */
.topbar { background: #fff; border-bottom: 1px solid #e5e5e5; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; padding-top: .75rem; padding-bottom: .75rem; }
.nav { display: flex; align-items: center; gap: 1.5rem; font-size: .875rem; font-weight: 500; color: #404040; }
.nav-brand { color: #171717; font-weight: 600; }
.topbar-user { display: flex; align-items: center; gap: 1rem; font-size: .875rem; color: #737373; }
.topbar-user form { margin: 0; }
.link-button { background: none; border: 0; padding: 0; font: inherit; color: #737373; cursor: pointer; }
.link-button:hover { color: #171717; text-decoration: underline; }

/* テキスト */
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.page-head form { margin: 0; }
.page-title { font-size: 1.125rem; font-weight: 600; color: #171717; }
.card-title { font-size: .875rem; font-weight: 600; color: #171717; margin-bottom: .75rem; }
.small { font-size: .875rem; }
.tiny { font-size: .75rem; }
.muted { color: #737373; }
.muted-light { color: #a3a3a3; }
.strong { font-weight: 500; color: #171717; }
.strong-link { font-weight: 500; color: #171717; }
.blue-link { color: #2563eb; }
.amber { color: #b45309; }
.back-link { font-size: .875rem; color: #737373; }
.mt-1 { margin-top: .25rem; } .mt-2 { margin-top: .5rem; } .mt-6 { margin-top: 1.5rem; } .mb-6 { margin-bottom: 1.5rem; }

/* フォーム */
.label { display: block; margin-bottom: .25rem; font-size: .875rem; font-weight: 500; color: #404040; }
.input { width: 100%; border: 1px solid #d4d4d4; border-radius: .375rem; padding: .5rem .75rem; font: inherit; font-size: .875rem; background: #fff; color: #171717; }
.input:focus { outline: none; border-color: #171717; }
.input-sm { padding: .375rem .5rem; }
.input-color { height: 2.25rem; padding: .125rem; }
.w-64 { width: 16rem; } .w-auto { width: auto; }
.btn { display: inline-block; border: 0; border-radius: .375rem; padding: .5rem .75rem; font: inherit; font-size: .875rem; font-weight: 500; cursor: pointer; text-align: center; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-sm { padding: .375rem .75rem; }
.btn-block { width: 100%; }
.btn-dark { background: #171717; color: #fff; }
.btn-dark:hover:not(:disabled) { background: #262626; }
.btn-blue { background: #2563eb; color: #fff; }
.btn-blue:hover { background: #3b82f6; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.stack > * + * { margin-top: 1rem; }
.stack-sm > * + * { margin-top: .5rem; }
.stack-sm, .stack { margin: 0; }

/* カード・表 */
.card { background: #fff; border: 1px solid #e5e5e5; border-radius: .5rem; }
.pad { padding: 1rem; }
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.table thead { background: #fafafa; color: #737373; text-align: left; }
.table th { padding: .5rem 1rem; font-weight: 500; white-space: nowrap; }
.table td { padding: .75rem 1rem; border-top: 1px solid #f5f5f5; color: #404040; vertical-align: top; }
.table tbody tr:hover { background: #fafafa; }
.table .empty { padding: 2.5rem 1rem; text-align: center; color: #a3a3a3; }

/* バッジ */
.badge { display: inline-block; border-radius: 9999px; padding: .125rem .5rem; font-size: .75rem; font-weight: 500; white-space: nowrap; }
.badge + .badge { margin-left: .25rem; }
.badge-neutral { background: #f5f5f5; color: #404040; }
.badge-blue { background: #dbeafe; color: #1d4ed8; }
.badge-amber { background: #fef3c7; color: #b45309; }
.badge-purple { background: #f3e8ff; color: #7e22ce; }
.badge-green { background: #dcfce7; color: #15803d; }
.badge-red { background: #fee2e2; color: #b91c1c; }
.tag-green { margin-left: .5rem; border-radius: .25rem; background: #ecfdf5; color: #047857; padding: .125rem .375rem; }

/* メッセージ */
.flash { margin: 0 0 1rem; border-radius: .5rem; padding: .75rem 1rem; font-size: .875rem; }
.flash-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.flash-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-inline { margin-bottom: 1rem; border-radius: .375rem; background: #fef2f2; padding: .5rem .75rem; font-size: .875rem; color: #dc2626; }
.warning-box { margin-bottom: 1rem; border: 1px solid #fecaca; background: #fef2f2; border-radius: .5rem; padding: 1rem; font-size: .875rem; color: #991b1b; }
.warning-title { font-weight: 600; margin-bottom: .25rem; }
.warning-box ul { margin: 0; padding-left: 1.25rem; }

/* 注文詳細 */
.detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1.5rem; align-items: start; }
.line-item { display: flex; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid #f5f5f5; }
.line-item + .line-item { padding-top: 1rem; }
.line-item:last-child { border-bottom: 0; }
.grow { flex: 1; min-width: 0; }
.thumb { width: 7rem; height: 7rem; flex: none; border: 1px solid #e5e5e5; border-radius: .375rem; object-fit: cover; }
.thumb-empty { display: flex; align-items: center; justify-content: center; border-style: dashed; border-color: #d4d4d4; color: #a3a3a3; font-size: .75rem; }
.links { display: flex; flex-wrap: wrap; gap: .75rem; }

/* カップ設定 */
.variant-summary { display: flex; align-items: center; justify-content: space-between; padding: .75rem 1rem; cursor: pointer; }
.variant-summary form { margin: 0; }
.row { display: flex; align-items: center; }
.gap-3 { gap: .75rem; }
.swatch { display: inline-block; width: 1rem; height: 1rem; border-radius: 9999px; border: 1px solid #d4d4d4; }
.variant-form { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; border-top: 1px solid #f5f5f5; padding: 1rem; font-size: .875rem; }
.field { display: block; }
.field-label { display: block; color: #737373; margin-bottom: .25rem; }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: .75rem; }

/* 作品例 */
.notice-box { margin-bottom: .75rem; border: 1px solid #bfdbfe; background: #eff6ff; border-radius: .375rem; padding: .5rem .75rem; color: #1e3a8a; }
.dropzone { display: flex; flex-direction: column; align-items: center; gap: .25rem; border: 2px dashed #d4d4d4; border-radius: .5rem; padding: 1.5rem 1rem; text-align: center; cursor: pointer; background: #fafafa; }
.dropzone:hover, .dropzone.is-dragover { border-color: #171717; background: #f5f5f5; }
.dropzone input[type="file"] { max-width: 100%; font-size: .75rem; margin-bottom: .25rem; }
.upload-common > * + * { margin-top: .5rem; }
.upload-rows > * { margin-top: .75rem; }
.upload-row { display: flex; gap: .75rem; border: 1px solid #e5e5e5; border-radius: .375rem; padding: .75rem; }
.upload-thumb { width: 6rem; height: 6rem; flex: none; object-fit: cover; border-radius: .25rem; background: #f5f5f5; }
.upload-fields { flex: 1; min-width: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; align-content: start; }
.upload-head { justify-content: space-between; }
.works-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr)); gap: 1rem; }
.work-card { overflow: hidden; }
.work-thumb { display: block; width: 100%; height: 12rem; object-fit: cover; background: #f5f5f5; border-bottom: 1px solid #f5f5f5; }
.work-thumb.thumb-empty { border: 0; border-radius: 0; }
.work-comment { color: #525252; white-space: pre-line; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.work-card form { margin: 0; }
.link-button.danger { color: #dc2626; }
.green { color: #15803d; }
.red { color: #dc2626; }

/* ログイン */
.login-page { display: flex; min-height: 100vh; align-items: center; justify-content: center; background: #f5f5f5; padding: 0 1rem; }
.login-card { width: 100%; max-width: 24rem; background: #fff; border-radius: .75rem; padding: 2rem; box-shadow: 0 1px 2px rgba(0,0,0,.05); }
.login-title { font-size: 1.25rem; font-weight: 600; margin-bottom: .25rem; }

@media (max-width: 768px) {
  .detail-grid, .variant-form { grid-template-columns: 1fr; }
  .span-2, .span-3 { grid-column: auto; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .upload-fields { grid-template-columns: 1fr; }
  .upload-thumb { width: 4rem; height: 4rem; }
  .nav { gap: .75rem; }
  .w-64 { width: 100%; }
}