/* 管理画面専用: 公開サイトの styles.css より後に読み込み、読みやすいライトテーマで上書き */

:root {
  --admin-bg: #e8edf5;
  --admin-surface: #ffffff;
  --admin-text: #0f172a;
  --admin-text-muted: #475569;
  --admin-text-soft: #64748b;
  --admin-border: #cbd5e1;
  --admin-border-strong: #94a3b8;
  --admin-accent: #b45309;
  --admin-accent-hover: #92400e;
  --admin-accent-soft: #fff7ed;
  --admin-topbar: #0f172a;
  --admin-topbar-text: #f8fafc;
  --admin-topbar-muted: #94a3b8;
  --admin-input-bg: #ffffff;
  --admin-focus-ring: rgba(180, 83, 9, 0.35);
}

body.admin-body {
  margin: 0;
  font-family: "Segoe UI", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ----- ログイン ----- */

.admin-login-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.admin-login-card {
  width: min(420px, 100%);
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 1.75rem 1.5rem 1.5rem;
  box-shadow:
    0 4px 6px -1px rgba(15, 23, 42, 0.08),
    0 10px 24px -6px rgba(15, 23, 42, 0.12);
}

.admin-login-badge {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--admin-accent);
  font-weight: 700;
}

.admin-login-title {
  margin: 0 0 0.35rem;
  font-size: 1.45rem;
  color: var(--admin-text);
  letter-spacing: 0.02em;
  font-weight: 800;
}

.admin-login-lead {
  margin: 0 0 1.1rem;
  color: var(--admin-text-muted);
  font-size: 0.95rem;
}

.admin-login-form {
  display: grid;
  gap: 0.9rem;
}

.admin-login-hint {
  margin: 1.1rem 0 0;
  font-size: 0.82rem;
  color: var(--admin-text-soft);
  line-height: 1.55;
}

.admin-login-hint code {
  font-size: 0.78rem;
  color: var(--admin-accent);
  background: var(--admin-accent-soft);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

.admin-label {
  display: grid;
  gap: 0.35rem;
  color: var(--admin-text);
  font-size: 0.9rem;
  font-weight: 600;
}

.admin-input {
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid var(--admin-border-strong);
  background: var(--admin-input-bg);
  color: var(--admin-text);
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
}

.admin-input::placeholder {
  color: #94a3b8;
}

.admin-input:hover {
  border-color: #64748b;
}

.admin-input:focus {
  outline: none;
  border-color: var(--admin-accent);
  box-shadow: 0 0 0 3px var(--admin-focus-ring);
}

.admin-input[type="date"] {
  color-scheme: light;
}

.admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.45rem 1.1rem;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 0.92rem;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    transform 0.12s ease;
}

.admin-btn-primary {
  border-color: #b45309;
  background: linear-gradient(180deg, #f59e0b 0%, #d97706 100%);
  color: #1c1917;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.12);
}

.admin-btn-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.admin-btn-ghost {
  border-color: var(--admin-border-strong);
  background: var(--admin-surface);
  color: var(--admin-text-muted);
}

.admin-btn-ghost:hover {
  border-color: var(--admin-accent);
  color: var(--admin-accent);
  background: var(--admin-accent-soft);
}

.admin-alert {
  margin: 0 0 0.75rem;
  padding: 0.75rem 0.85rem;
  border-radius: 8px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ----- トップバー（ダークのまま／白文字でコントラスト確保） ----- */

.admin-topbar {
  border-bottom: 3px solid #f59e0b;
  background: var(--admin-topbar);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
}

.admin-topbar-inner {
  width: min(1100px, 92%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  min-height: 64px;
  padding: 0.65rem 0;
}

.admin-brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.admin-brand-mark {
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fbbf24;
}

.admin-brand-sub {
  font-size: 0.82rem;
  color: var(--admin-topbar-muted);
}

.admin-topbar-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.admin-link-out {
  color: var(--admin-topbar-text);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 0.4rem 0.65rem;
  border-radius: 8px;
  border: 1px solid transparent;
}

.admin-link-out:hover {
  color: #0f172a;
  border-color: #fbbf24;
  background: #fbbf24;
}

.admin-link-in {
  color: var(--admin-topbar-text);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 0.4rem 0.65rem;
  border-radius: 8px;
  border: 1px solid rgba(248, 250, 252, 0.25);
  background: rgba(255, 255, 255, 0.06);
}

.admin-link-in:hover {
  border-color: #fbbf24;
  color: #fef3c7;
  background: rgba(251, 191, 36, 0.12);
}

.admin-link-in.is-active {
  color: #0f172a;
  border-color: #fbbf24;
  background: #fbbf24;
  font-weight: 700;
}

.admin-topbar-divider {
  width: 1px;
  height: 1.5rem;
  background: rgba(248, 250, 252, 0.2);
  margin: 0 0.15rem;
}

.admin-flash-ok {
  margin: 0 0 1rem;
  padding: 0.75rem 0.85rem;
  border-radius: 8px;
  background: #ecfdf5;
  border: 1px solid #6ee7b7;
  color: #065f46;
  font-size: 0.9rem;
}

.admin-page-actions {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.admin-page-lead-tight {
  margin: 0.35rem 0 0;
}

.admin-back {
  margin: 0 0 0.75rem;
}

.admin-form {
  display: grid;
  gap: 1rem;
  max-width: 720px;
}

.admin-textarea {
  min-height: 200px;
  border-radius: 8px;
  border: 1px solid var(--admin-border-strong);
  background: var(--admin-input-bg);
  color: var(--admin-text);
  padding: 0.65rem 0.75rem;
  font-size: 0.95rem;
  line-height: 1.65;
  font-family: inherit;
  resize: vertical;
}

.admin-textarea:focus {
  outline: none;
  border-color: var(--admin-accent);
  box-shadow: 0 0 0 3px var(--admin-focus-ring);
}

.admin-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  margin-top: 0.35rem;
}

.admin-btn-danger {
  border-color: #f87171;
  background: #fef2f2;
  color: #b91c1c;
  box-shadow: none;
}

.admin-btn-danger:hover {
  background: #fee2e2;
  border-color: #ef4444;
  transform: translateY(-1px);
}

.admin-btn-sm {
  min-height: 34px;
  padding: 0.25rem 0.75rem;
  font-size: 0.82rem;
}

.admin-table-actions {
  white-space: nowrap;
}

.admin-table-actions .admin-table-link {
  margin-right: 0.65rem;
}

.admin-inline-form {
  display: inline-flex;
  align-items: center;
  margin: 0;
  vertical-align: middle;
}

.admin-table-wide .admin-table {
  min-width: 640px;
}

/* ----- メインコンテンツ ----- */

.admin-main {
  flex: 1;
  padding: 2rem 0 2.5rem;
}

.admin-container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.admin-page-title {
  margin: 0 0 0.35rem;
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  color: var(--admin-text);
  letter-spacing: 0.02em;
  font-weight: 800;
}

.admin-page-lead {
  margin: 0 0 1.5rem;
  color: var(--admin-text-muted);
}

.admin-page-lead .admin-table-link,
.admin-muted .admin-table-link {
  color: var(--admin-accent);
  font-weight: 600;
}

.admin-page-lead .admin-table-link:hover,
.admin-muted .admin-table-link:hover {
  color: var(--admin-accent-hover);
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.admin-stat-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 1.15rem 1.2rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
  border-left: 4px solid #f59e0b;
}

.admin-stat-label {
  margin: 0 0 0.35rem;
  font-size: 0.82rem;
  color: var(--admin-text-soft);
  letter-spacing: 0.03em;
  font-weight: 700;
  text-transform: uppercase;
}

.admin-stat-value {
  margin: 0 0 0.4rem;
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--admin-text);
  letter-spacing: 0.02em;
}

.admin-stat-note {
  margin: 0;
  font-size: 0.82rem;
  color: var(--admin-text-muted);
  line-height: 1.45;
}

.admin-stat-note code {
  font-size: 0.78rem;
  color: var(--admin-accent);
  background: var(--admin-accent-soft);
  padding: 0.05rem 0.3rem;
  border-radius: 4px;
}

.admin-panel {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 1.2rem 1.25rem 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.admin-panel-muted {
  border-style: dashed;
  background: #f8fafc;
}

.admin-panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.admin-panel-title {
  margin: 0;
  font-size: 1.05rem;
  color: var(--admin-text);
  font-weight: 800;
}

.admin-muted {
  font-size: 0.82rem;
  color: var(--admin-text-soft);
}

.admin-table-wrap {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--admin-border);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--admin-surface);
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: top;
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

.admin-table tbody tr:hover {
  background: #f8fafc;
}

.admin-table th {
  color: var(--admin-text);
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: #f1f5f9;
}

.admin-table td {
  color: var(--admin-text);
}

.admin-table-link {
  color: var(--admin-accent);
  text-decoration: none;
  font-weight: 600;
}

.admin-table-link:hover {
  text-decoration: underline;
  color: var(--admin-accent-hover);
}

.admin-ops-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--admin-text-muted);
  line-height: 1.75;
  font-size: 0.9rem;
}

.admin-ops-list code {
  font-size: 0.82rem;
  color: var(--admin-accent);
  background: var(--admin-accent-soft);
  padding: 0.05rem 0.35rem;
  border-radius: 4px;
}

/* ログイン画面の primary をトップバー内でも視認しやすく */
.admin-topbar .admin-btn-ghost {
  border-color: rgba(248, 250, 252, 0.35);
  color: var(--admin-topbar-text);
  background: transparent;
}

.admin-topbar .admin-btn-ghost:hover {
  border-color: #fbbf24;
  color: #0f172a;
  background: #fbbf24;
}

@media (max-width: 600px) {
  .admin-topbar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .admin-topbar-nav {
    width: 100%;
  }
}