/* =========================================================
   Samurai Hub Technologies — 管理画面スタイル
   ========================================================= */
.admin-body { background: #f1f5f9; }

/* ---- ログイン ---- */
.admin-auth {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #0b1220, #1e1b4b);
  padding: 1.5rem;
}
.login-wrap { width: 100%; max-width: 400px; }
.login-card {
  background: #fff;
  border-radius: 18px;
  padding: 2.6rem 2.2rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
  text-align: center;
}
.login-brand { justify-content: center; margin-bottom: 1.6rem; }
.login-title { font-size: 1.4rem; margin: 0 0 1.4rem; }
.login-error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
  border-radius: 10px;
  padding: .7rem 1rem;
  font-size: .9rem;
  margin: 0 0 1.2rem;
}
.login-form { text-align: left; display: grid; gap: 1rem; margin-bottom: 1.2rem; }
.form-field-light span { display: block; font-size: .85rem; font-weight: 600; margin-bottom: .4rem; color: #334155; }
.form-field-light input {
  width: 100%;
  padding: .75rem .9rem;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  font: inherit;
  background: #f8fafc;
}
.form-field-light input:focus { outline: none; border-color: var(--brand); background: #fff; }
.login-back { display: inline-block; color: #64748b; font-size: .85rem; }
.login-back:hover { color: var(--brand); }

/* ---- 管理ヘッダー ---- */
.admin-header {
  background: #0f172a;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
}
.admin-header-inner {
  max-width: 1080px;
  margin-inline: auto;
  padding: .8rem 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.admin-header .brand-text strong { color: #fff; }
.admin-header .brand-text small { color: #94a3b8; }
.admin-nav { display: flex; align-items: center; gap: 1.2rem; }
.admin-nav a { color: #cbd5e1; font-size: .9rem; }
.admin-nav a:hover { color: #fff; }
.logout-form { margin: 0; }
.admin-logout {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .25);
  color: #fff;
  padding: .45rem 1rem;
  border-radius: 999px;
  font: inherit;
  font-size: .85rem;
  cursor: pointer;
}
.admin-logout:hover { background: rgba(255, 255, 255, .1); }

/* ---- 本体 ---- */
.admin-main { padding: 2.2rem 0 4rem; }
.admin-container { max-width: 1080px; margin-inline: auto; padding-inline: 24px; }
.admin-page-head { margin-bottom: 1.8rem; }
.admin-page-head h1 { font-size: 1.7rem; margin: .3rem 0 0; }
.admin-welcome { color: #64748b; font-size: .9rem; margin: .3rem 0 0; }

.admin-alert {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
  border-radius: 12px;
  padding: 1rem 1.2rem;
  margin-bottom: 1.8rem;
  font-size: .92rem;
}

.admin-section {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 1.6rem 1.6rem 1.8rem;
  margin-bottom: 1.8rem;
  box-shadow: 0 6px 20px rgba(15, 23, 42, .05);
}
.admin-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
}
.admin-section-head h2 { font-size: 1.2rem; margin: 0; }
.admin-empty { color: #94a3b8; padding: 1rem 0; }

.btn-sm { padding: .55rem 1.1rem; font-size: .88rem; }

/* ---- テーブル ---- */
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  text-align: left;
  font-size: .8rem;
  color: #64748b;
  font-weight: 600;
  padding: .6rem .8rem;
  border-bottom: 2px solid #e2e8f0;
}
.admin-table td { padding: .85rem .8rem; border-bottom: 1px solid #eef2f7; vertical-align: middle; }
.admin-table td a { font-weight: 600; color: #0f172a; }
.admin-table td a:hover { color: var(--brand); }
.admin-slug { font-size: .76rem; color: #94a3b8; margin-top: .2rem; font-family: "Outfit", monospace; }
.col-actions { white-space: nowrap; }
.col-actions { display: flex; align-items: center; gap: .8rem; }
.col-actions form { margin: 0; }
.link-edit { color: var(--brand); font-size: .88rem; }
.link-delete {
  background: none;
  border: none;
  color: #ef4444;
  font: inherit;
  font-size: .88rem;
  cursor: pointer;
  padding: 0;
}
.link-delete:hover { text-decoration: underline; }

.badge {
  display: inline-block;
  font-size: .76rem;
  font-weight: 700;
  padding: .25rem .65rem;
  border-radius: 999px;
}
.badge-pub { background: #dcfce7; color: #166534; }
.badge-draft { background: #f1f5f9; color: #64748b; }
.badge-admin { background: #ede9fe; color: #6d28d9; }
.badge-editor { background: #e0f2fe; color: #0369a1; }

.self-tag {
  display: inline-block;
  font-size: .7rem;
  background: #e2e8f0;
  color: #475569;
  padding: .1rem .5rem;
  border-radius: 999px;
  margin-left: .4rem;
}
.admin-alert-ok { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
.admin-alert-error { background: #fef2f2; border-color: #fecaca; color: #b91c1c; }
.admin-hint { color: #64748b; font-size: .88rem; margin-top: 1rem; }

/* ---- フォーム ---- */
.admin-form {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 1.8rem;
  box-shadow: 0 6px 20px rgba(15, 23, 42, .05);
  display: grid;
  gap: 1.3rem;
  max-width: 820px;
}
.admin-field span { display: block; font-size: .9rem; font-weight: 600; margin-bottom: .45rem; color: #334155; }
.admin-field i { font-style: normal; color: #ef4444; font-size: .72rem; margin-left: .3rem; }
.admin-field input,
.admin-field textarea {
  width: 100%;
  padding: .8rem .95rem;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  font: inherit;
  background: #f8fafc;
}
.admin-field input:focus,
.admin-field textarea:focus { outline: none; border-color: var(--brand); background: #fff; }
.admin-field small { display: block; margin-top: .35rem; color: #94a3b8; font-size: .8rem; }
.admin-field textarea.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9rem; line-height: 1.7; }
.admin-check { display: flex; align-items: center; gap: .6rem; font-size: .95rem; color: #334155; }
.admin-check input { width: 18px; height: 18px; }
.admin-form-actions { display: flex; flex-wrap: wrap; gap: .8rem; padding-top: .4rem; }

@media (max-width: 560px) {
  .admin-table thead { display: none; }
  .admin-table, .admin-table tbody, .admin-table tr, .admin-table td { display: block; width: 100%; }
  .admin-table tr { border: 1px solid #e2e8f0; border-radius: 12px; margin-bottom: 1rem; padding: .4rem; }
  .admin-table td { border: none; padding: .5rem .6rem; }
}