/* ===================================================================
   勤怠管理システム 共通スタイルシート
   ※ Noto Sans JP は HTML の <link> タグで読み込む前提
=================================================================== */

/* -------------------------------------------------------------------
   CSS カスタムプロパティ（デザイントークン）
------------------------------------------------------------------- */
:root {
  --color-primary:        #2563eb;
  --color-primary-dark:   #1d4ed8;
  --color-primary-light:  #dbeafe;
  --color-accent:         #10b981;
  --color-accent-dark:    #059669;
  --color-accent-light:   #d1fae5;
  --color-bg:             #f1f5f9;
  --color-surface:        #ffffff;
  --color-text:           #1e293b;
  --color-text-muted:     #64748b;
  --color-border:         #e2e8f0;
  --color-danger:         #ef4444;
  --color-danger-dark:    #dc2626;
  --color-warning:        #f59e0b;

  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-full: 9999px;

  --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md:  0 4px 12px rgba(0, 0, 0, 0.10), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg:  0 10px 30px rgba(0, 0, 0, 0.12), 0 4px 8px rgba(0, 0, 0, 0.06);

  --transition: 0.2s ease;

  --font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'メイリオ', sans-serif;
}

/* -------------------------------------------------------------------
   リセット・ベース
------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 0.9375rem; /* 15px */
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

/* -------------------------------------------------------------------
   サイト共通ヘッダー (.site-header)
------------------------------------------------------------------- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  height: 60px;
  background: var(--color-primary);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.30);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.site-header__logo:hover {
  color: var(--color-primary-light);
  text-decoration: none;
}

.site-header__logo-icon {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-header__user {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.875rem;
}

/* -------------------------------------------------------------------
   ページ本体ラッパー
------------------------------------------------------------------- */
.page-wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.page-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-primary-light);
}

/* -------------------------------------------------------------------
   カード (.card)
------------------------------------------------------------------- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.card__header {
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
}

.card__title {
  font-size: 1rem;
  font-weight: 600;
}

.card__body {
  padding: 1.25rem;
}

/* -------------------------------------------------------------------
   勤怠時間表示カード (.time-display)
------------------------------------------------------------------- */
.time-display {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1d4ed8 50%, #1e40af 100%);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  color: #ffffff;
  text-align: center;
  box-shadow: var(--shadow-md);
  margin-bottom: 1.25rem;
}

.time-display__date {
  font-size: 0.875rem;
  opacity: 0.8;
  margin-bottom: 0.375rem;
  letter-spacing: 0.04em;
}

.time-display__clock {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.time-display__badges {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.time-display__badge {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.75rem;
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.time-display__badge--accent {
  background: rgba(16, 185, 129, 0.35);
  border-color: rgba(16, 185, 129, 0.5);
}

/* -------------------------------------------------------------------
   ボタン (.btn)
------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 1.125rem;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition), opacity var(--transition);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
}
.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}
.btn:active {
  transform: translateY(1px);
}
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

/* Primary */
.btn--primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.35);
}
.btn--primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.45);
}

/* Accent */
.btn--accent {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.35);
}
.btn--accent:hover:not(:disabled) {
  background: var(--color-accent-dark);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.45);
}

/* Danger */
.btn--danger {
  background: var(--color-danger);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(239, 68, 68, 0.30);
}
.btn--danger:hover:not(:disabled) {
  background: var(--color-danger-dark);
}

/* Ghost (枠線のみ) */
.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn--ghost:hover:not(:disabled) {
  background: var(--color-primary-light);
}

/* Muted */
.btn--muted {
  background: var(--color-border);
  color: var(--color-text-muted);
}
.btn--muted:hover:not(:disabled) {
  background: #cbd5e1;
  color: var(--color-text);
}

/* サイズ */
.btn--sm {
  padding: 0.3rem 0.75rem;
  font-size: 0.8125rem;
}
.btn--lg {
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
}
.btn--full {
  width: 100%;
}

/* ログアウトボタン（ヘッダー用） */
.btn--logout {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-size: 0.875rem;
  padding: 0.35rem 0.875rem;
}
.btn--logout:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.28);
}

/* -------------------------------------------------------------------
   フォーム
------------------------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-bottom: 1rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-label .required {
  color: var(--color-danger);
  margin-left: 0.2em;
}

.form-control {
  width: 100%;
  padding: 0.5625rem 0.875rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  line-height: 1.5;
}
.form-control::placeholder {
  color: #94a3b8;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.form-control:disabled {
  background: #f8fafc;
  color: var(--color-text-muted);
  cursor: not-allowed;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  padding-right: 2.25rem;
}

.form-hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.form-error {
  font-size: 0.8125rem;
  color: var(--color-danger);
}

/* 横並びフォーム行 */
.form-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.form-row > .form-group {
  flex: 1;
  min-width: 150px;
}

/* -------------------------------------------------------------------
   パスワードフィールド (.password-wrapper) ── 目のアイコン付き
------------------------------------------------------------------- */
.password-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-wrapper .form-control {
  padding-right: 2.75rem;
}

.password-wrapper__toggle {
  position: absolute;
  right: 0.75rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem;
  transition: color var(--transition);
  line-height: 1;
}
.password-wrapper__toggle:hover {
  color: var(--color-primary);
}
.password-wrapper__toggle svg {
  width: 18px;
  height: 18px;
  pointer-events: none;
}

/* -------------------------------------------------------------------
   テーブル (.data-table)
------------------------------------------------------------------- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

.data-table thead {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}
.data-table thead th {
  padding: 0.75rem 1rem;
  text-align: left;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.data-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}
.data-table tbody tr:last-child {
  border-bottom: none;
}
.data-table tbody tr:hover {
  background: #f8fafc;
}

.data-table tbody td {
  padding: 0.7rem 1rem;
  color: var(--color-text);
  vertical-align: middle;
}

.data-table .actions {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

/* バッジ (ステータス等) */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.175rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge--success {
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
}
.badge--warning {
  background: #fef3c7;
  color: #92400e;
}
.badge--danger {
  background: #fee2e2;
  color: var(--color-danger-dark);
}
.badge--neutral {
  background: var(--color-border);
  color: var(--color-text-muted);
}

/* -------------------------------------------------------------------
   ダイアログ / モーダル (.dialog-overlay, .dialog)
------------------------------------------------------------------- */
.dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.dialog-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.dialog {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 480px;
  overflow: hidden;
  transform: translateY(12px) scale(0.98);
  transition: transform var(--transition);
}
.dialog-overlay.is-open .dialog {
  transform: translateY(0) scale(1);
}

.dialog__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  background: #f8fafc;
}

.dialog__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
}

.dialog__close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 1.25rem;
  line-height: 1;
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  display: flex;
  align-items: center;
}
.dialog__close:hover {
  color: var(--color-text);
  background: var(--color-border);
}

.dialog__body {
  padding: 1.25rem;
}

.dialog__footer {
  padding: 0.875rem 1.25rem;
  background: #f8fafc;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 0.625rem;
}

/* 確認ダイアログ */
.confirm-dialog__message {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.65;
  margin-bottom: 0.25rem;
  white-space: pre-line;
}

/* -------------------------------------------------------------------
   ローディングスピナー (.spinner)
------------------------------------------------------------------- */
.spinner-overlay {
  position: fixed;
  inset: 0;
  background: rgba(241, 245, 249, 0.7);
  backdrop-filter: blur(1px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.spinner-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid var(--color-primary-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* -------------------------------------------------------------------
   トースト通知 (.toast)
------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem 1.125rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: 0.9rem;
  font-weight: 500;
  max-width: 340px;
  pointer-events: auto;
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.toast.is-visible {
  opacity: 1;
  transform: translateX(0);
}
.toast.is-hiding {
  opacity: 0;
  transform: translateX(20px);
}

.toast--success {
  background: var(--color-accent);
  color: #ffffff;
}
.toast--error {
  background: var(--color-danger);
  color: #ffffff;
}
.toast--warning {
  background: var(--color-warning);
  color: #ffffff;
}
.toast--info {
  background: var(--color-primary);
  color: #ffffff;
}

.toast__icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* -------------------------------------------------------------------
   ログインフォームページ
------------------------------------------------------------------- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e0e7ff 0%, var(--color-bg) 50%, var(--color-accent-light) 100%);
  padding: 1rem;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.login-card__header {
  padding: 1.75rem 1.5rem 1.25rem;
  text-align: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
}

.login-card__logo {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.login-card__title {
  font-size: 1.25rem;
  font-weight: 700;
}

.login-card__subtitle {
  font-size: 0.875rem;
  opacity: 0.8;
  margin-top: 0.25rem;
}

.login-card__body {
  padding: 1.5rem;
}

/* -------------------------------------------------------------------
   フィルター・検索バー
------------------------------------------------------------------- */
.filter-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: flex-end;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.filter-bar .form-group {
  margin-bottom: 0;
}

/* -------------------------------------------------------------------
   統計サマリーカード
------------------------------------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.875rem;
  margin-bottom: 1.25rem;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.stat-card__label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.375rem;
  font-weight: 500;
}

.stat-card__value {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.stat-card__unit {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

/* -------------------------------------------------------------------
   空状態 (.empty-state)
------------------------------------------------------------------- */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--color-text-muted);
}

.empty-state__icon {
  font-size: 3rem;
  margin-bottom: 0.75rem;
  opacity: 0.5;
}

.empty-state__message {
  font-size: 0.9375rem;
}

/* -------------------------------------------------------------------
   ユーティリティ
------------------------------------------------------------------- */
.text-muted    { color: var(--color-text-muted); }
.text-primary  { color: var(--color-primary); }
.text-accent   { color: var(--color-accent); }
.text-danger   { color: var(--color-danger); }
.text-right    { text-align: right; }
.text-center   { text-align: center; }
.fw-bold       { font-weight: 700; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.hidden { display: none !important; }

/* -------------------------------------------------------------------
   レスポンシブ
------------------------------------------------------------------- */
@media (min-width: 640px) {
  .page-wrapper {
    padding: 2rem 1.5rem 3rem;
  }
  .time-display__clock {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .page-wrapper {
    padding: 2rem 2rem 3rem;
  }
  .site-header {
    padding: 0 2rem;
  }
}

@media (max-width: 639px) {
  .data-table thead th,
  .data-table tbody td {
    padding: 0.55rem 0.625rem;
    font-size: 0.85rem;
  }
  .filter-bar {
    padding: 0.875rem 1rem;
  }
  .dialog {
    max-width: 100%;
  }
  .toast-container {
    bottom: 1rem;
    right: 0.75rem;
    left: 0.75rem;
  }
  .toast {
    max-width: 100%;
  }
}

/* -------------------------------------------------------------------
   アラート (.alert)
------------------------------------------------------------------- */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.alert--error {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.alert--success {
  background: #f0fdf4;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

.alert--warning {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.alert--warning svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }

/* -------------------------------------------------------------------
   パンくずリスト (.breadcrumb)
------------------------------------------------------------------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }

/* -------------------------------------------------------------------
   結果表示リスト (.result-list)
------------------------------------------------------------------- */
.result-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}
.result-item:last-child { border-bottom: none; }
.result-item dt { color: var(--color-text-muted); font-weight: 500; }
.result-item dd { font-weight: 600; color: var(--color-text); }
.result-item--highlight dd { color: var(--color-primary); font-size: 1.1rem; }

/* -------------------------------------------------------------------
   完了セクション (.completion)
------------------------------------------------------------------- */
.completion {
  text-align: center;
  padding: 2rem 1rem 1.5rem;
}
.completion__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.completion__icon--success { background: var(--color-accent-light); color: var(--color-accent); }
.completion__icon--accent  { background: var(--color-primary-light); color: var(--color-primary); }
.completion__icon--danger  { background: #fee2e2; color: var(--color-danger); }
.completion__icon svg { width: 32px; height: 32px; }
.completion__title { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.5rem; }
.completion__desc  { font-size: 0.875rem; color: var(--color-text-muted); }

/* -------------------------------------------------------------------
   管理者ショートカットボタン (.admin-fab)
------------------------------------------------------------------- */
.admin-fab {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: background var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.admin-fab:hover {
  background: rgba(255, 255, 255, 0.28);
  border-color: rgba(255, 255, 255, 0.5);
}