/**
 * ヘアサロン予約システム 共通CSS
 * テーマ: Warm Hospitality（温かいおもてなし）
 * Bootstrap 5.3 ベースのカスタムスタイル
 */

/* === CSS変数定義 === */
:root {
  /* プレミアム・モダン カラーパレット */
  --color-bg: #fdfdfc;
  --color-primary: #2c3e35;
  --color-primary-hover: #1e2b25;
  --color-primary-light: #44594f;
  --color-secondary: #c5a880;
  --color-secondary-hover: #b0916a;
  --color-secondary-light: #dac4a3;
  --color-text: #1a1a1a;
  --color-text-muted: #8c8c8c;
  --color-card-bg: #ffffff;
  --color-border: #e8e4db;
  --color-input-bg: #f9f8f6;
  --color-input-border: #dcd7ce;
  --color-input-focus: #c5a880;
  --color-success: #1b4332;
  --color-danger: #8a2a2b;
  --color-warning: #b0916a;
  --color-info: #2c3e35;

  /* フォント（モダン＆ラグジュアリー） */
  --font-heading: 'Outfit', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* 角丸（洗練された緩やかさ） */
  --radius-card: 24px;
  --radius-btn: 12px;
  --radius-input: 12px;
  --radius-badge: 16px;

  /* シャドウ（深く滑らかに） */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.08);

  /* トランジション（上品なイージング） */
  --transition-base: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);

  /* エイリアス */
  --salon-primary: var(--color-primary);
  --salon-primary-hover: var(--color-primary-hover);
  --salon-secondary: var(--color-secondary);
  --salon-text: var(--color-text);
  --salon-text-muted: var(--color-text-muted);
  --salon-border: var(--color-border);
  --salon-input: var(--color-input-bg);
  --salon-bg: var(--color-bg);
}

/* === ベーススタイル === */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  background: linear-gradient(135deg, #faf8f5 0%, #f5f0e5 100%);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-text);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-base);
}

a:hover {
  color: var(--color-primary-hover);
}

main {
  flex: 1;
}

/* === ボタン === */

/* プライマリボタン（セージグリーン） */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  border-color: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-btn);
  font-family: var(--font-body);
  font-weight: 600;
  padding: 12px 28px;
  transition: var(--transition-base);
  box-shadow: 0 4px 12px rgba(127, 184, 147, 0.3);
}

.btn-primary:hover,
.btn-primary:focus {
  background: linear-gradient(135deg, var(--color-primary-hover) 0%, #5a9c73 100%);
  border-color: var(--color-primary-hover);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(127, 184, 147, 0.4);
  transform: translateY(-2px);
}

.btn-primary:active {
  background: linear-gradient(135deg, #5a9c73 0%, #4a8d68 100%);
  border-color: #5a9c73;
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(127, 184, 147, 0.2);
}

/* サロンプライマリボタン（エイリアス） */
.btn-salon-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  border-color: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-btn);
  font-family: var(--font-body);
  font-weight: 600;
  padding: 12px 28px;
  transition: var(--transition-base);
  box-shadow: 0 4px 12px rgba(127, 184, 147, 0.3);
}

.btn-salon-primary.active,
.btn-salon-primary:active,
.btn-salon-primary:hover {
    background-color: var(--salon-primary-dark) !important;
    border-color: var(--salon-primary-dark) !important;
    color: #ffffff !important; /* 文字を白抜きに強制 */
}

/* セカンダリボタン（ソフトローズ） */
.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-hover) 100%);
  border-color: var(--color-secondary);
  color: #ffffff;
  border-radius: var(--radius-btn);
  font-family: var(--font-body);
  font-weight: 600;
  padding: 12px 28px;
  transition: var(--transition-base);
  box-shadow: 0 4px 12px rgba(248, 200, 214, 0.3);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: linear-gradient(135deg, var(--color-secondary-hover) 0%, #d4a5c0 100%);
  border-color: var(--color-secondary-hover);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(248, 200, 214, 0.4);
  transform: translateY(-2px);
}

.btn-secondary:active {
  background: linear-gradient(135deg, #d4a5c0 0%, #c4a0a8 100%);
  border-color: #d4a5c0;
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(248, 200, 214, 0.2);
}

/* アウトラインボタン */
.btn-outline-primary {
  color: var(--color-primary);
  border-color: var(--color-primary);
  border-radius: var(--radius-btn);
  font-weight: 600;
  padding: 10px 24px;
  transition: var(--transition-base);
  background: transparent;
}

.btn-outline-primary:hover {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(127, 184, 147, 0.3);
}

.btn-outline-secondary {
  color: var(--color-secondary);
  border-color: var(--color-secondary);
  border-radius: var(--radius-btn);
  font-weight: 600;
  padding: 10px 24px;
  transition: var(--transition-base);
  background: transparent;
}

.btn-outline-secondary:hover {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-hover) 100%);
  border-color: var(--color-secondary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(248, 200, 214, 0.3);
}

/* ボタンサイズ */
.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
  border-radius: 10px;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.1rem;
  border-radius: 16px;
}

/* === カード === */
.card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-header {
  background-color: transparent;
  border-bottom: 1px solid var(--color-border);
  padding: 20px 24px;
  font-family: var(--font-heading);
  font-weight: 600;
}

.card-body {
  padding: 24px;
}

.card-footer {
  background-color: transparent;
  border-top: 1px solid var(--color-border);
  padding: 20px 24px;
}

/* === フォーム入力 === */
.form-control {
  background-color: var(--color-input-bg);
  border: 2px solid var(--color-input-border);
  border-radius: var(--radius-input);
  color: var(--color-text);
  padding: 12px 18px;
  font-family: var(--font-body);
  transition: var(--transition-base);
}

.form-control:focus {
  background-color: #ffffff;
  border-color: var(--color-input-focus);
  box-shadow: 0 0 0 4px rgba(127, 184, 147, 0.2);
  color: var(--color-text);
}

.form-control::placeholder {
  color: #bbb;
}

.form-select {
  background-color: var(--color-input-bg);
  border: 2px solid var(--color-input-border);
  border-radius: var(--radius-input);
  color: var(--color-text);
  padding: 12px 18px;
  font-family: var(--font-body);
  transition: var(--transition-base);
}

.form-select:focus {
  background-color: #ffffff;
  border-color: var(--color-input-focus);
  box-shadow: 0 0 0 4px rgba(127, 184, 147, 0.2);
}

.form-label {
  font-weight: 600;
  color: #444; /* 少し濃くして視認性向上 */
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.form-text {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* === バッジ === */
.badge {
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-badge);
  padding: 6px 14px;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
}

/* デフォルト・等外バッジ（視認性向上） */
.badge-default {
  background-color: #f3f4f6;
  color: #4b5563;
  border: 1px solid #d1d5db;
}

.badge-info {
  background-color: rgba(139, 168, 136, 0.15);
  color: var(--salon-primary);
  border: 1px solid var(--salon-primary);
}

/* ステータスバッジ */
.badge-confirmed {
  background-color: rgba(34, 197, 94, 0.2);
  color: #22c55e;
  border: 1px solid #22c55e;
}

.badge-cancelled {
  background-color: rgba(231, 76, 60, 0.15);
  color: #e74c3c;
  border: 1px solid #e74c3c;
}

.badge-recommended {
  background: linear-gradient(135deg, #d4a373 0%, #bc8a5f 100%);
  color: #ffffff !important;
  box-shadow: 0 4px 12px rgba(212, 163, 115, 0.25);
  border: none;
}

/* === ナビゲーションバー（グラスモーフィズム） === */
.navbar-glass {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(232, 228, 220, 0.8);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 1030;
}

.navbar-glass .navbar-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color-primary);
}

.navbar-glass .navbar-brand:hover {
  color: var(--color-primary-hover);
}

.navbar-glass .nav-link {
  color: var(--color-text);
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 10px;
  transition: var(--transition-base);
  font-size: 0.95rem;
}

.navbar-glass .nav-link:hover,
.navbar-glass .nav-link.active {
  color: var(--color-primary);
  background-color: rgba(127, 184, 147, 0.15);
}

.navbar-glass .nav-link i {
  margin-right: 6px;
}

/* ハンバーガーメニュー */
.navbar-toggler {
  border: none;
  padding: 10px;
  border-radius: 10px;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(45, 45, 45, 0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* === フッター === */
.footer {
  background-color: var(--color-card-bg);
  border-top: 1px solid var(--color-border);
  padding: 32px 0;
  margin-top: auto;
}

.footer-text {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.footer-info {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.footer-info i {
  color: var(--color-primary-light);
  margin-right: 6px;
}

/* === サイドバー（オーナー管理画面用） === */
.sidebar {
  background-color: var(--color-card-bg);
  border-right: 1px solid var(--color-border);
  min-height: calc(100vh - 72px);
  padding: 24px 0;
  width: 280px;
}

.sidebar .nav-link {
  color: var(--color-text);
  padding: 14px 24px;
  border-radius: 0;
  font-weight: 600;
  transition: var(--transition-base);
  font-size: 0.95rem;
  border-left: 3px solid transparent;
  margin-bottom: 4px;
}

.sidebar .nav-link:hover {
  background-color: rgba(127, 184, 147, 0.1);
  color: var(--color-primary);
  border-left-color: var(--color-primary-light);
}

.sidebar .nav-link.active {
  background-color: rgba(127, 184, 147, 0.15);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  font-weight: 700;
}

.sidebar .nav-link i {
  width: 28px;
  text-align: center;
  margin-right: 12px;
}

.sidebar-header {
  padding: 0 24px 20px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 12px;
}

/* === 予約カレンダーグリッド === */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}

.calendar-header {
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding: 12px 8px;
}

/* 日曜日 */
.calendar-header:first-child {
  color: var(--color-danger);
}

/* 土曜日 */
.calendar-header:last-child {
  color: var(--color-info);
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition-base);
  border: 2px solid transparent;
  position: relative;
  padding: 8px;
}

.calendar-day:hover {
  background-color: rgba(127, 184, 147, 0.15);
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.calendar-day.today {
  background-color: rgba(127, 184, 147, 0.2);
  font-weight: 800;
  border-color: var(--color-primary);
}

.calendar-day.selected {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: #ffffff;
  border-color: var(--color-primary);
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(127, 184, 147, 0.4);
}

.calendar-day.disabled {
  color: #ccc;
  cursor: not-allowed;
  pointer-events: none;
}

.calendar-day.closed {
  color: #ccc;
  text-decoration: line-through;
  cursor: not-allowed;
  pointer-events: none;
  background-color: #f5f0e5;
}

.calendar-day.other-month {
  color: #ddd;
}

/* 日曜日の日付 */
.calendar-day.sunday {
  color: var(--color-danger);
}

.calendar-day.sunday.selected {
  color: #ffffff;
}

/* 土曜日の日付 */
.calendar-day.saturday {
  color: var(--color-info);
}

.calendar-day.saturday.selected {
  color: #ffffff;
}

/* 予約件数インジケーター */
.calendar-day .booking-count {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-secondary);
}

/* === タイムスロットボタン === */
.time-slot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.time-slot-btn {
  background: linear-gradient(135deg, #ffffff 0%, var(--color-input-bg) 100%);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  padding: 14px 12px;
  text-align: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
}

.time-slot-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(127, 184, 147, 0.1), transparent);
  transition: left 0.3s ease;
}

.time-slot-btn:hover::before {
  left: 100%;
}

.time-slot-btn:hover {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  border-color: var(--color-primary);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(127, 184, 147, 0.3);
}

.time-slot-btn.selected {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  border-color: var(--color-primary);
  color: #ffffff;
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(127, 184, 147, 0.4);
}

.time-slot-btn.selected::after {
  content: '✓';
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--color-success);
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  box-shadow: 0 2px 6px rgba(34, 197, 94, 0.3);
}

.time-slot-btn.disabled {
  background: #f0f0e5;
  color: #c5c2bd;
  cursor: not-allowed;
  pointer-events: none;
  border-color: #ece9e4;
  box-shadow: none;
}

/* === 新カレンダー（日付＋時間スロット一体化） === */
.calendar-day-wrapper {
  flex: 1;
  min-width: 0;
}

.calendar-day-new {
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: var(--transition-base);
}

.calendar-day-new:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.calendar-day-new .day-header {
  background: linear-gradient(135deg, rgba(127, 184, 147, 0.15) 0%, rgba(127, 184, 147, 0.08) 100%);
  padding: 14px 8px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.calendar-day-new.today .day-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
}

.calendar-day-new.today .day-header .day-name,
.calendar-day-new.today .day-header .day-num {
  color: #ffffff;
}

.calendar-day-new .day-name {
  font-size: 0.7rem;
  color: var(--color-secondary);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.calendar-day-new .day-num {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.calendar-day-new .day-slots {
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-height: 180px;
  max-height: 320px;
  overflow-y: auto;
}

/* スクロールバーのスタイル */
.calendar-day-new .day-slots::-webkit-scrollbar {
  width: 4px;
}

.calendar-day-new .day-slots::-webkit-scrollbar-track {
  background: var(--color-input-bg);
  border-radius: 2px;
}

.calendar-day-new .day-slots::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

.calendar-day-new .day-slots::-webkit-scrollbar-thumb:hover {
  background: var(--color-secondary);
}

.calendar-day-new .slots-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

/* 読み込み中表示 */
.calendar-day-new.loading .day-slots {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.calendar-day-new.loading .day-slots::after {
  content: '';
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* 空き状況表示 */
.calendar-day-new .slots-available {
  text-align: center;
  padding: 6px 8px;
  margin-bottom: 4px;
  color: var(--color-primary);
  background: rgba(127, 184, 147, 0.1);
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
}

.calendar-day-new.closed {
  background: var(--color-input-bg);
  opacity: 0.7;
}

.calendar-day-new.closed .day-header {
  background: #e8e5e1;
}

.calendar-day-new.closed .day-name,
.calendar-day-new.closed .day-num {
  color: var(--color-text-muted);
}

.time-slot-new {
  width: 100%;
  padding: 10px 8px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: #ffffff;
  color: var(--color-text);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
  text-align: center;
}

.time-slot-new:hover:not(:disabled) {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(127, 184, 147, 0.3);
}

.time-slot-new.selected {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(127, 184, 147, 0.4);
}

.time-slot-new.disabled,
.time-slot-new:disabled {
  background: #f5f5f5;
  color: #ccc;
  cursor: not-allowed;
  border-color: #e8e5e1;
}

/* === テーブルスタイル === */
.table {
  border-color: var(--color-border);
}

.table thead th {
  background-color: var(--color-input-bg);
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  border-bottom: 2px solid var(--color-border);
  padding: 14px 18px;
}

.table tbody td {
  padding: 14px 18px;
  vertical-align: middle;
  border-bottom: 1px solid var(--color-border);
}

.table tbody tr:hover {
  background-color: rgba(127, 184, 147, 0.06);
}

/* === トースト通知 === */
.toast-container {
  position: fixed;
  top: 100px;
  right: 24px;
  z-index: 1100;
}

.toast {
  border: none;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
}

.toast-success {
  background-color: #f0faf2;
  border-left: 4px solid var(--color-success);
}

.toast-error {
  background-color: #fdf0f0;
  border-left: 4px solid var(--color-danger);
}

.toast-warning {
  background-color: #fdf6f0;
  border-left: 4px solid var(--color-warning);
}

.toast-info {
  background-color: #f0f8fa;
  border-left: 4px solid var(--color-info);
}

/* モーダル */
.modal-content {
  border: none;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-lg);
}

.modal {
  z-index: 1060 !important;
}

.modal-backdrop {
  z-index: 1050 !important;
}

.modal-header {
  border-bottom: 1px solid var(--color-border);
  padding: 20px 24px;
}

.modal-header .modal-title {
  font-family: var(--font-heading);
  font-weight: 700;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  border-top: 1px solid var(--color-border);
  padding: 20px 24px;
}

/* === アニメーション === */

/* フェードイン */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

/* スライドイン（上から） */
@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in-down {
  animation: slideInDown 0.4s ease forwards;
}

/* スケールイン */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

.scale-in {
  animation: scaleIn 0.4s ease forwards;
}

/* 順番にフェードイン（子要素用） */
.stagger-children>* {
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
}

.stagger-children>*:nth-child(1) {
  animation-delay: 0.08s;
}

.stagger-children>*:nth-child(2) {
  animation-delay: 0.16s;
}

.stagger-children>*:nth-child(3) {
  animation-delay: 0.24s;
}

.stagger-children>*:nth-child(4) {
  animation-delay: 0.32s;
}

.stagger-children>*:nth-child(5) {
  animation-delay: 0.40s;
}

.stagger-children>*:nth-child(6) {
  animation-delay: 0.48s;
}

.stagger-children>*:nth-child(7) {
  animation-delay: 0.56s;
}

.stagger-children>*:nth-child(8) {
  animation-delay: 0.64s;
}

/* ローディングスピナー */
.spinner-primary {
  color: var(--color-primary);
}

/* === ページタイトル === */
.page-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.page-subtitle {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* === 予約フロー専用スタイル === */

/* メニューエリア（左カラム）の背景 */
.menu-area {
  background: linear-gradient(135deg, #ffffff 0%, #faf9f7 100%);
  border-radius: 20px;
  padding: 28px;
  border: 1px solid rgba(197, 168, 128, 0.15);
  position: relative;
}

.menu-area::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
  border-radius: 20px 20px 0 0;
  opacity: 0.6;
}

/* ステップインジケーター */
.step-indicator {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 32px;
  padding: 0 16px;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0;
}

.step-item .step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  border: 3px solid var(--color-border);
  background: linear-gradient(135deg, #ffffff 0%, var(--color-input-bg) 100%);
  color: var(--color-text-muted);
  transition: var(--transition-base);
}

.step-item.active .step-num,
.step-item.completed .step-num {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: #ffffff;
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(127, 184, 147, 0.3);
}

.step-item .step-label {
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.step-item.active .step-label,
.step-item.completed .step-label {
  color: var(--color-primary);
  font-weight: 700;
}

.step-connector {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-border) 50%, var(--color-primary) 50%);
  align-self: center;
  transition: var(--transition-base);
}

.step-connector.completed {
  background: var(--color-primary);
}

/* === 選択可能カード（メニュー・スタッフ用） === */
.selectable-card {
  cursor: pointer;
  border: 1px solid var(--color-border) !important;
  transition: var(--transition-base);
  border-radius: 16px;
  box-shadow: none;
  position: relative;
  overflow: hidden;
  background: #ffffff;
}

.selectable-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  border: 2px solid transparent;
  transition: var(--transition-base);
  pointer-events: none;
}

.selectable-card:hover {
  border-color: var(--color-primary) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(44, 62, 53, 0.08);
}

.selectable-card:hover::after {
  border-color: var(--color-primary);
}

.selectable-card.selected {
  border-color: var(--color-primary) !important;
  background: linear-gradient(135deg, rgba(44, 62, 53, 0.02) 0%, rgba(44, 62, 53, 0.05) 100%);
}

.selectable-card.selected::after {
  border-color: var(--color-primary);
  box-shadow: inset 0 0 0 1px var(--color-primary);
}

/* メニューカード - より落ち着いたデザイン */
.menu-card {
  background: #ffffff;
  border: 1px solid var(--color-border) !important;
  padding: 24px;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: var(--transition-base);
  border-radius: var(--radius-card);
  overflow: hidden;
  cursor: pointer;
}

.menu-card:hover {
  background: linear-gradient(135deg, #ffffff 0%, rgba(197, 168, 128, 0.03) 100%);
}

.menu-card.selected {
  background: #fff;
  border-color: var(--salon-primary) !important;
  border-width: 2px !important;
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 16px 32px rgba(44, 62, 53, 0.12);
  z-index: 5;
}

/* プレミアム透明バッジのためのオーバーレイ */
.menu-card.selected::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.2); /* 非常に淡く。背景が透ける */
  backdrop-filter: blur(1px); /* 背後の文字を消さない程度の極小のぼかし */
  pointer-events: none;
  z-index: 10;
}

.menu-card.selected::after {
  content: '選択中';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%); /* 縦横中央揃えを死守 */
  background: rgba(44, 62, 53, 0.85); /* テキストの視認性を確保。バッジ自体は不透明気味に */
  color: #ffffff;
  padding: 8px 24px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 50px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  animation: fadeInCenter 0.4s ease-out;
  z-index: 20;
  white-space: nowrap;
  letter-spacing: 0.1em;
}

/* 内容が見えるようにz-indexを調整（オーバーレイの下にする） */
.menu-card.selected > * {
  position: relative;
  z-index: 1;
}

@keyframes fadeInCenter {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.9); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

/* 内容が見えるようにz-indexを調整 */
.menu-card.selected > * {
  position: relative;
  z-index: 1;
}

.menu-card .badge-recommended {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #b0916a 100%);
  color: #ffffff;
  font-size: 0.65rem;
  padding: 3px 8px;
  border-radius: 20px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.menu-card h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.4;
}

.menu-card p {
  line-height: 1.5;
}

/* スタッフカード */
.staff-card {
  background: #ffffff;
  border: 1px solid var(--color-border) !important;
  padding: 24px 16px;
  border-radius: var(--radius-card);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.staff-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.staff-card.selected {
  background: #fff;
  border-color: var(--salon-primary) !important;
  border-width: 2px !important;
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 16px 32px rgba(44, 62, 53, 0.12);
  z-index: 5;
}

.staff-card.selected::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(1px);
  pointer-events: none;
  z-index: 10;
}

.staff-card.selected::after {
  content: '選択中';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%); /* 中央配置 */
  background: rgba(44, 62, 53, 0.85); /* 濃い目のバッジで可読性を確保 */
  color: #ffffff;
  padding: 8px 20px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 50px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  animation: fadeInCenter 0.4s ease-out;
  z-index: 20;
  white-space: nowrap;
  letter-spacing: 0.1em;
}

.staff-card.selected > * {
  position: relative;
  z-index: 1;
}

.staff-card.selected > * {
  position: relative;
  z-index: 1;
}

/* === サイドバー専用スタイル === */

/* サイドバーコンテナ */
.sidebar-column {
  position: relative;
}

/* 縦線は削除して、カード自体で区別をつける */

/* ショップ情報カード（控えめなデザイン） */
.shop-info-card {
  background: linear-gradient(135deg, #f8f6f3 0%, #f5f0e5 100%);
  border: none !important;
  border-radius: 16px;
  box-shadow: none;
  position: relative;
}

.shop-info-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  background: linear-gradient(to bottom, var(--color-secondary), var(--color-secondary-light));
  border-radius: 2px;
}

.shop-info-card h6 {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  padding-left: 4px;
}

.shop-info-card p {
  margin-bottom: 12px;
  padding-left: 4px;
}

.shop-info-card p:last-child {
  margin-bottom: 0;
}

.shop-info-card i {
  width: 20px;
  text-align: center;
}

/* サマリーカード（予約内容） */
.summary-card {
  background: #ffffff;
  border: 1px solid var(--color-border) !important;
  border-left: 4px solid var(--color-primary) !important;
  border-radius: 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  position: relative;
}

.summary-card h6 {
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  letter-spacing: 0.05em;
}

/* サマリースティッキ */
.summary-sticky {
  position: sticky;
  top: 100px;
}

/* 空状態表示 */
.empty-state {
  text-align: center;
  padding: 64px 32px;
  color: var(--color-text-muted);
}

.empty-state i {
  font-size: 4rem;
  margin-bottom: 24px;
  color: var(--color-border);
}

.empty-state h5 {
  font-family: var(--font-heading);
  color: var(--color-text-muted);
}

/* === レスポンシブ対応 === */

/* タブレット */
@media (max-width: 991.98px) {
  .sidebar {
    display: none;
  }

  .sidebar.show {
    display: block;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1020;
    box-shadow: var(--shadow-lg);
  }

  .sidebar-overlay {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1019;
    display: none;
  }

  .sidebar-overlay.show {
    display: block;
  }

  .calendar-grid {
    gap: 6px;
  }

  .calendar-day {
    font-size: 0.85rem;
    padding: 6px;
  }

  .step-item .step-label {
    display: none;
  }

  .step-connector {
    width: 40px;
  }
}

/* モバイル */
@media (max-width: 575.98px) {
  .time-slot-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .page-title {
    font-size: 1.35rem;
  }

  .card-body {
    padding: 20px;
  }

  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .btn-lg {
    padding: 12px 24px;
    font-size: 1rem;
  }

  .navbar-glass .navbar-brand {
    font-size: 1.2rem;
  }

  .table thead th,
  .table tbody td {
    padding: 12px 14px;
    font-size: 0.85rem;
  }

  /* 新カレンダー（モバイル） */
  .calendar-day-wrapper {
    min-width: calc(100% / 7);
  }

  .calendar-day-new {
    border-radius: 12px;
  }

  .calendar-day-new .day-header {
    padding: 8px 4px;
  }

  .calendar-day-new .day-name {
    font-size: 0.6rem;
  }

  .calendar-day-new .day-num {
    font-size: 0.95rem;
  }

  .calendar-day-new .day-slots {
    min-height: 80px;
    max-height: 160px;
    padding: 4px;
    gap: 3px;
  }

  .calendar-day-new .slots-empty {
    font-size: 0.7rem;
  }

  .calendar-day-new .slots-available {
    font-size: 0.65rem;
    padding: 4px 6px;
  }

  .time-slot-new {
    padding: 6px 4px;
    font-size: 0.75rem;
  }
}

/* === ユーティリティ === */
.bg-cream {
  background-color: var(--color-bg);
}

.text-primary-custom {
  color: var(--color-primary);
}

.text-secondary-custom {
  color: var(--color-secondary);
}

.border-custom {
  border-color: var(--color-border) !important;
}

.rounded-custom {
  border-radius: var(--radius-card);
}

/* === ページ遷移用フェードイン === */
.page-content {
  animation: fadeIn 0.5s ease forwards;
}

/* モーダル表示中はスタッキングコンテキストを解除する（z-indexの不具合回避） */
body.modal-open .page-content {
  animation: none !important;
  transform: none !important;
}

/* === セクションタイトル === */
.section-title-booking {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
  margin-bottom: 20px;
}

/* === モーダルダイアログ用オーバーレイ */
.confirm-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1070;
  display: flex;
  align-items: center;
  justify-content: center;
}

.confirm-dialog {
  background: var(--color-card-bg);
  border-radius: var(--radius-card);
  padding: 32px;
  max-width: 440px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.3s ease forwards;
}

/* === オーナーダッシュボード === */

/* 統計カード */
.stat-card {
  border-radius: 16px;
  border: 1px solid var(--salon-border);
  background-color: #ffffff;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  border-color: var(--salon-primary);
}

/* 管理メニューカード */
.admin-menu-card {
  border-radius: 16px;
  border: 1px solid var(--salon-border);
  background-color: #ffffff;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.admin-menu-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  border-color: var(--salon-primary);
  background: linear-gradient(135deg, rgba(139, 168, 136, 0.05) 0%, rgba(139, 168, 136, 0.1) 100%);
}

/* ダッシュボードのメインコンテンツ背景色上書き */
body {
  background-color: var(--salon-bg);
}

.card {
  border-radius: 16px;
  border: 1px solid var(--salon-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}

.card-header {
  border-bottom: 1px solid var(--salon-border);
  background-color: transparent !important;
}

/* === Authentication Tabs === */
.auth-tabs {
  background-color: var(--salon-input);
  padding: 4px;
  border-radius: 12px;
  border: 1px solid var(--salon-border);
}

.auth-tabs .nav-item {
  flex: 1;
}

.auth-tabs .nav-link {
  width: 100%;
  text-align: center;
  color: var(--salon-text-muted);
  border-radius: 8px;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.auth-tabs .nav-link:hover:not(.active) {
  color: var(--salon-primary);
  background-color: rgba(0, 0, 0, 0.02);
}

.auth-tabs .nav-link.active {
  background-color: #ffffff;
  color: var(--salon-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* === アニメーション === */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

.animate-fade-up {
  animation: fadeUp 0.6s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
  opacity: 0;
}

.animate-fade-down {
  animation: fadeDown 0.6s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
  opacity: 0;
}