:root {
  --paper: #f4f0e7;
  --ink: #343a3d;
  --line: #b8b5ab;
  --blue: #49677d;
  --green: #dfe9df;
  --red: #8a4b48;
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: #d8d5cd; font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif; }
a { color: var(--blue); text-underline-offset: 3px; }
button, input, textarea, select { font: inherit; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 16px; padding: 8px; background: white; z-index: 10; }
.admin-shell { width: min(920px, calc(100% - 32px)); min-height: calc(100vh - 48px); margin: 24px auto; padding: 36px; border: 1px solid #898c89; border-radius: 18px; background: var(--paper); box-shadow: 5px 7px 0 rgba(63, 67, 65, .18); }
.admin-brand { display: inline-flex; flex-direction: column; color: inherit; text-decoration: none; }
.admin-brand strong { font: 500 25px/1.4 "Yu Mincho", serif; }
.admin-brand small { color: #777; letter-spacing: .12em; }
.admin-main { margin-top: 48px; }
.admin-heading { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 28px; }
.admin-heading h1, .admin-panel h1, .admin-panel h2 { font-family: "Yu Mincho", serif; font-weight: 500; }
.admin-heading h1 { margin: 3px 0 0; font-size: 36px; }
.eyebrow { margin: 0; color: #73756f; font-size: 11px; letter-spacing: .16em; }
.admin-actions, .entry-actions, .form-buttons { display: flex; align-items: center; gap: 14px; }
.admin-actions form, .entry-actions form { margin: 0; }
.admin-panel { margin-bottom: 24px; padding: 28px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.4); }
.admin-login { max-width: 520px; margin: 72px auto; }
.admin-panel h1 { margin: 8px 0; font-size: 34px; }
.admin-panel h2 { margin: 0 0 20px; font-size: 24px; }
label { display: grid; gap: 8px; margin: 0 0 18px; font-size: 13px; }
input, textarea, select { width: 100%; padding: 12px; border: 1px solid #989991; border-radius: 7px; color: inherit; background: #fffefa; }
textarea { resize: vertical; line-height: 1.8; }
button { padding: 10px 18px; border: 1px solid #3f5666; border-radius: 999px; color: white; background: var(--blue); cursor: pointer; }
.password-toggle { display: flex; align-items: center; gap: 9px; width: fit-content; cursor: pointer; }
.password-toggle input { width: 18px; height: 18px; margin: 0; }
.password-toggle span { color: #5f625e; font-size: 12px; }
.text-button, .danger-button { padding: 0; border: 0; border-radius: 0; color: var(--blue); background: transparent; text-decoration: underline; }
.danger-button { color: var(--red); }
.form-message { padding: 12px 16px; border-radius: 8px; }
.is-error { color: #722f2b; background: #f1deda; }
.is-success { color: #31583b; background: var(--green); }
.admin-entry-list article { display: flex; justify-content: space-between; gap: 24px; padding: 20px 0; border-top: 1px solid var(--line); }
.admin-entry-list p { max-width: 610px; margin: 10px 0 0; line-height: 1.75; overflow-wrap: anywhere; }
.status-badge { margin-right: 10px; padding: 3px 8px; border: 1px solid var(--line); border-radius: 999px; font-size: 11px; }
.admin-entry-list time { color: #777; font-size: 12px; }
.admin-footer { display: flex; justify-content: space-between; margin-top: 60px; padding-top: 18px; border-top: 1px solid var(--line); color: #777; font-size: 12px; }
.admin-filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 22px; }
.admin-filters a { padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; font-size: 12px; }
.admin-filters a[aria-current="page"] { color: white; background: var(--blue); }
.bbs-admin-list article { align-items: flex-start; }
.bbs-admin-list article { position: relative; padding-left: 31px; }
.bbs-select-post { position: absolute; top: 22px; left: 2px; margin: 0; }
.bbs-select-post input { width: 18px; height: 18px; margin: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.bbs-admin-list strong { margin-right: 10px; }
.bbs-admin-list small { color: #777; }
.bbs-admin-actions { display: grid; flex: 0 0 245px; gap: 12px; }
.bbs-admin-actions form { display: flex; align-items: center; gap: 8px; margin: 0; }
.bbs-admin-actions select { min-width: 95px; padding: 7px; }
.bbs-admin-actions button { padding: 7px 12px; white-space: nowrap; }
.bbs-admin-actions .quick-publish { border-color: #496251; background: #587360; }
.bbs-admin-actions .quick-hide { border-color: #6d6b65; background: #77736d; }
.bbs-admin-actions .quick-spam { border-color: #77413d; background: #8a4b48; }
.bbs-bulk-form { display: flex; flex-wrap: wrap; align-items: end; gap: 10px; margin: 0 0 18px; padding: 14px; border: 1px solid var(--line); border-radius: 9px; background: #eeebe3; }
.bbs-bulk-form label { display: flex; align-items: center; gap: 9px; margin: 0; }
.bbs-bulk-form select { width: auto; min-width: 180px; padding: 8px; }
.bbs-bulk-form button { padding: 8px 15px; }
.status-pending { color: #765b24; background: #f5e7b9; }
.status-spam, .status-hidden { color: #722f2b; background: #f1deda; }
.museum-admin-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.museum-admin-grid article { padding: 14px; border: 1px solid var(--line); border-radius: 9px; background: #fffdf7; }
.museum-admin-grid img { display: block; width: 100%; aspect-ratio: 4/3; object-fit: cover; background: #ddd; }
.museum-admin-grid p { line-height: 1.6; }.museum-admin-grid .entry-actions { justify-content: space-between; }.museum-admin-grid form { margin: 0; }

@media (max-width: 650px) {
  .admin-shell { width: 100%; min-height: 100vh; margin: 0; padding: 25px 18px; border: 0; border-radius: 0; }
  .admin-heading, .admin-entry-list article { align-items: stretch; flex-direction: column; }
  .admin-actions { align-items: flex-start; }
  .entry-actions { justify-content: flex-end; }
  .bbs-admin-actions { width: 100%; flex-basis: auto; }
  .bbs-admin-actions form { flex-wrap: wrap; }
  .bbs-bulk-form, .bbs-bulk-form label { align-items: stretch; flex-direction: column; }
  .museum-admin-grid { grid-template-columns: 1fr; }
  .admin-panel { padding: 22px 18px; }
}