/* Tailored Tail Admin - High-end Brand Theme */
/* Based on SB Admin 2 layout, refined for luxury brand aesthetic */

:root {
  --color-black: #000000;
  --color-dark-gray: #2C2C2C;
  --color-gray: #8B8B8B;
  --color-light-gray: #F5F5F5;
  --color-white: #FFFFFF;
  --color-border: rgba(0, 0, 0, 0.08);
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans JP', sans-serif;
  color: var(--color-dark-gray);
  background-color: #F8F9FA;
  font-size: 0.9375rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Sidebar
   ============================================ */
.sidebar {
  width: 224px;
  min-height: 100vh;
  background-color: var(--color-white);
  border-right: 1px solid var(--color-border);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  transition: margin 0.35s ease;
}

.sidebar-brand {
  height: 64px;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 400;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  color: var(--color-black);
  letter-spacing: 1px;
}

.sidebar-brand-text {
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 2px;
}

.sidebar-divider {
  border-top: 1px solid var(--color-border);
  margin: 0 1rem;
}

.sidebar-heading {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-gray);
  padding: 0.75rem 1.5rem;
  margin-top: 0.5rem;
}

.nav-item {
  margin-bottom: 0.25rem;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  color: var(--color-dark-gray);
  text-decoration: none;
  font-weight: 400;
  font-size: 0.9375rem;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
  min-height: 48px; /* タップ領域を大きく */
}

.nav-link:hover {
  background-color: rgba(0, 0, 0, 0.02);
  color: var(--color-black);
}

.nav-item.active > .nav-link {
  background-color: rgba(0, 0, 0, 0.03);
  color: var(--color-black);
  border-left-color: var(--color-black);
  font-weight: 500;
}

.nav-link i {
  width: 20px;
  margin-right: 0.75rem;
  font-size: 0.875rem;
  text-align: center;
}

.badge-sm {
  font-size: 0.625rem;
  padding: 0.25rem 0.5rem;
  margin-left: auto;
}

.badge-secondary {
  background-color: var(--color-light-gray);
  color: var(--color-gray);
}

#sidebarToggle {
  width: 2.5rem;
  height: 2.5rem;
  background-color: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-gray);
  cursor: pointer;
  transition: all 0.2s ease;
}

#sidebarToggle:hover {
  background-color: rgba(0, 0, 0, 0.02);
  color: var(--color-black);
}

/* ============================================
   Content Wrapper
   ============================================ */
#content-wrapper {
  margin-left: 224px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

#content {
  flex: 1;
}

/* ============================================
   Topbar (Fixed Header - All Devices)
   ============================================ */
.topbar-fixed {
  height: 64px;
  border-bottom: 1px solid var(--color-border);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1040;
  background-color: var(--color-white);
}

.topbar-fixed .container-fluid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  height: 100%;
  padding: 0 1rem;
}

.topbar-fixed .navbar-search {
  max-width: 300px;
}

.topbar-fixed .navbar-brand {
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 2px;
  color: var(--color-black);
  text-decoration: none;
}

.topbar-fixed .btn-link {
  border: none;
  background: none;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.topbar-fixed .btn-link:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

/* Legacy topbar styles (for backward compatibility) */
.topbar {
  height: 64px;
  border-bottom: 1px solid var(--color-border);
  padding: 0 1.5rem;
}

.topbar .form-control {
  border: 1px solid var(--color-border);
  border-radius: 2px;
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
}

.topbar .btn {
  border-radius: 2px;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.topbar .nav-link {
  padding: 0.5rem 0.75rem;
  color: var(--color-dark-gray);
  white-space: nowrap;
}

.topbar .navbar-nav {
  flex-shrink: 0;
  margin-left: auto;
}

.topbar .dropdown-menu {
  border: 1px solid var(--color-border);
  border-radius: 2px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  padding: 0.5rem 0;
  margin-top: 0.5rem;
}

.dropdown-item {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--color-dark-gray);
  transition: background-color 0.2s ease;
}

.dropdown-item:hover {
  background-color: rgba(0, 0, 0, 0.02);
  color: var(--color-black);
}

.dropdown-divider {
  border-top: 1px solid var(--color-border);
  margin: 0.5rem 0;
}

.text-gray-600 {
  color: var(--color-gray);
}

.text-gray-400 {
  color: var(--color-gray);
  opacity: 0.7;
}

/* ============================================
   Page Content
   ============================================ */
.container-fluid {
  padding: 2rem 2.5rem;
}

.page-title {
  font-size: 1.75rem;
  font-weight: 300;
  letter-spacing: -0.5px;
  color: var(--color-black);
  margin-bottom: 0.5rem;
}

.page-subtitle {
  font-size: 0.9375rem;
  color: var(--color-gray);
  margin-bottom: 2rem;
}

/* ============================================
   Cards
   ============================================ */
.card {
  border: 1px solid var(--color-border);
  border-radius: 2px;
  box-shadow: none;
  background-color: var(--color-white);
  margin-bottom: 1.5rem;
  transition: border-color 0.2s ease;
}

.card:hover {
  border-color: rgba(0, 0, 0, 0.12);
}

.card-header {
  background-color: transparent;
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 1.5rem;
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-black);
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-black);
  margin-bottom: 0;
}

/* Dashboard Cards */
.dashboard-card {
  border: 1px solid var(--color-border);
  border-radius: 2px;
  background-color: var(--color-white);
  padding: 1.5rem;
  height: 100%;
  transition: all 0.2s ease;
}

.dashboard-card:hover {
  border-color: rgba(0, 0, 0, 0.12);
}

.dashboard-card-title {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-gray);
  margin-bottom: 0.75rem;
}

.dashboard-card-value {
  font-size: 2rem;
  font-weight: 300;
  color: var(--color-black);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.dashboard-card-desc {
  font-size: 0.875rem;
  color: var(--color-gray);
  margin: 0;
}

.dashboard-card-icon {
  font-size: 2rem;
  color: var(--color-gray);
  opacity: 0.5;
  margin-bottom: 1rem;
}

/* ============================================
   Tables
   ============================================ */
.table-responsive {
  border: 1px solid var(--color-border);
  border-radius: 2px;
}

.table {
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9375rem;
  margin-bottom: 0;
  width: 100%;
}

.table thead th {
  border-bottom: 1px solid var(--color-border);
  font-weight: 500;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-gray);
  padding: 0.75rem 1rem;
  background-color: transparent;
  white-space: nowrap;
}

.table tbody td {
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  padding: 1rem;
  vertical-align: middle;
}

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

.table tbody tr:hover {
  background-color: rgba(0, 0, 0, 0.01);
}

/* モバイルでテーブルをカード化（オプション） */
@media (max-width: 767.98px) {
  .table-mobile-card {
    display: block;
  }

  .table-mobile-card thead {
    display: none;
  }

  .table-mobile-card tbody,
  .table-mobile-card tr,
  .table-mobile-card td {
    display: block;
    width: 100%;
  }

  .table-mobile-card tr {
    border: 1px solid var(--color-border);
    border-radius: 2px;
    margin-bottom: 1rem;
    padding: 1rem;
  }

  .table-mobile-card td {
    border: none;
    padding: 0.5rem 0;
    text-align: left;
  }

  .table-mobile-card td:before {
    content: attr(data-label) ": ";
    font-weight: 500;
    color: var(--color-gray);
    display: inline-block;
    width: 40%;
  }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  border-radius: 2px;
  font-weight: 400;
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  transition: all 0.2s ease;
  letter-spacing: 0.3px;
  min-height: 44px; /* タップ領域を大きく */
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  min-height: 36px;
}

.btn-dark {
  background-color: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}

.btn-dark:hover {
  background-color: var(--color-black);
  border-color: var(--color-black);
  opacity: 0.85;
  color: var(--color-white);
}

.btn-dark:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-outline-dark {
  border-color: var(--color-black);
  color: var(--color-black);
  background-color: transparent;
}

.btn-outline-dark:hover {
  background-color: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
}

.btn-outline-secondary {
  border-color: var(--color-gray);
  color: var(--color-dark-gray);
  background-color: transparent;
}

.btn-outline-secondary:hover {
  background-color: var(--color-light-gray);
  border-color: var(--color-gray);
  color: var(--color-dark-gray);
}

/* モバイルでボタンを幅広に */
@media (max-width: 767.98px) {
  .btn:not(.btn-sm):not(.dropdown-toggle):not(.btn-close) {
    width: 100%;
    margin-bottom: 0.5rem;
  }

  .btn-group {
    width: 100%;
  }

  .btn-group .btn {
    flex: 1;
  }
}

/* 固定フッターボタン（フォーム保存用） */
.sticky-form-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: 1rem;
  z-index: 1030;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.04);
}

.sticky-form-footer .btn {
  margin-bottom: 0;
}

@media (min-width: 768px) {
  .sticky-form-footer {
    display: none;
  }
}

/* ============================================
   Forms
   ============================================ */
.form-label {
  font-weight: 400;
  font-size: 0.875rem;
  color: var(--color-dark-gray);
  margin-bottom: 0.5rem;
  letter-spacing: 0.2px;
}

.form-control {
  border: 1px solid var(--color-border);
  border-radius: 2px;
  padding: 0.625rem 0.75rem;
  font-size: 0.9375rem;
  transition: border-color 0.2s ease;
  min-height: 44px; /* タップ領域を大きく */
}

.form-control:focus {
  border-color: var(--color-black);
  box-shadow: 0 0 0 0.2rem rgba(0, 0, 0, 0.05);
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

.form-text {
  font-size: 0.8125rem;
  color: var(--color-gray);
  margin-top: 0.25rem;
}

/* フォームグループの間隔 */
.form-group,
.mb-3 {
  margin-bottom: 1rem !important;
}

/* チェックボックス・ラジオボタンのタップ領域 */
.form-check-input {
  width: 20px;
  height: 20px;
  margin-top: 0.25rem;
}

.form-check-label {
  padding-left: 0.5rem;
  min-height: 24px;
  display: flex;
  align-items: center;
}

/* ============================================
   Alerts
   ============================================ */
.alert {
  border-radius: 2px;
  border: 1px solid;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
}

.alert-danger {
  background-color: rgba(220, 53, 69, 0.05);
  border-color: rgba(220, 53, 69, 0.2);
  color: #721c24;
}

.alert-success {
  background-color: rgba(25, 135, 84, 0.05);
  border-color: rgba(25, 135, 84, 0.2);
  color: #0f5132;
}

.alert-info {
  background-color: rgba(13, 202, 240, 0.05);
  border-color: rgba(13, 202, 240, 0.2);
  color: #055160;
}

/* ============================================
   Badges
   ============================================ */
.badge {
  font-weight: 400;
  padding: 0.375rem 0.625rem;
  border-radius: 2px;
  font-size: 0.75rem;
  letter-spacing: 0.3px;
}

.bg-success {
  background-color: rgba(25, 135, 84, 0.1) !important;
  color: #0f5132 !important;
}

.bg-danger {
  background-color: rgba(220, 53, 69, 0.1) !important;
  color: #721c24 !important;
}

/* ============================================
   Footer
   ============================================ */
.sticky-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0;
  margin-top: auto;
}

.copyright {
  font-size: 0.8125rem;
  color: var(--color-gray);
}

/* ============================================
   Scroll to Top
   ============================================ */
.scroll-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  text-align: center;
  color: var(--color-white);
  background-color: var(--color-black);
  border-radius: 2px;
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.scroll-to-top:hover {
  opacity: 1;
  color: var(--color-white);
}

.scroll-to-top i {
  line-height: 2.5rem;
}

/* ============================================
   Offcanvas Sidebar (Mobile/Tablet)
   ============================================ */
.offcanvas {
  border-right: 1px solid var(--color-border);
}

.offcanvas-header {
  padding: 1rem 1.5rem;
}

.offcanvas-body .navbar-nav {
  padding: 0;
}

.offcanvas-body .nav-link {
  padding: 0.875rem 1.5rem;
  min-height: 48px;
  display: flex;
  align-items: center;
}

/* ============================================
   Responsive
   ============================================ */
/* Mobile/Tablet (max-width: 991.98px) */
@media (max-width: 991.98px) {
  #content-wrapper {
    margin-left: 0;
    padding-top: 0; /* 固定ヘッダーは既にtopbar-fixedで処理 */
  }
  
  #content {
    padding-top: 64px; /* 固定ヘッダーの高さ分 */
  }

  .sidebar {
    display: none; /* デスクトップ固定サイドバーを非表示 */
  }

  .container-fluid {
    padding: 1rem 0.75rem;
  }

  .topbar {
    display: none; /* デスクトップトップバーを非表示 */
  }

  /* フォームの2カラムを1カラムに */
  .row > [class*="col-md"] {
    margin-bottom: 1rem;
  }

  /* テーブルを横スクロール対応 */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .table {
    min-width: 600px; /* 最小幅を確保 */
  }

  /* ボタンを幅広に */
  .btn-group-vertical .btn,
  .btn:not(.btn-sm):not(.btn-xs) {
    width: 100%;
    margin-bottom: 0.5rem;
  }

  /* カードパディングを調整 */
  .card-body {
    padding: 1rem;
  }

  .card-header {
    padding: 1rem;
  }

  /* ページタイトルを小さく */
  .page-title {
    font-size: 1.5rem;
  }

  /* 固定フッターを非表示（モバイルでは邪魔になるため） */
  .sticky-footer {
    display: none;
  }
}

/* Tablet (768px - 991.98px) */
@media (min-width: 768px) and (max-width: 991.98px) {
  .container-fluid {
    padding: 1.5rem 1rem;
  }

  .offcanvas {
    max-width: 280px;
  }
}

/* Mobile (max-width: 767.98px) */
@media (max-width: 767.98px) {
  .container-fluid {
    padding: 1rem 0.5rem;
  }

  .offcanvas {
    max-width: 240px;
  }

  /* ハンバーガーボタンの見た目調整 */
  .topbar-mobile .btn-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.2s ease;
  }

  .topbar-mobile .btn-link:hover {
    background-color: rgba(0, 0, 0, 0.05);
  }

  /* テーブルをさらに小さく */
  .table {
    font-size: 0.875rem;
  }

  .table thead th,
  .table tbody td {
    padding: 0.75rem 0.5rem;
  }
}

/* Desktop (min-width: 992px) */
@media (min-width: 992px) {
  #content-wrapper {
    padding-top: 0; /* 固定ヘッダーは既にtopbar-fixedで処理 */
  }
  
  #content {
    padding-top: 64px; /* 固定ヘッダーの高さ分 */
  }

  .offcanvas {
    display: none !important;
  }

  .sidebar {
    display: block !important;
    top: 64px; /* 固定ヘッダーの下に配置 */
    height: calc(100vh - 64px);
  }
}

/* ============================================
   Login Page
   ============================================ */
.login-page {
  background-color: var(--color-light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: var(--spacing-md);
}

.login-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  padding: var(--spacing-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.login-title {
  font-size: 1.75rem;
  font-weight: 300;
  letter-spacing: 2px;
  color: var(--color-black);
  margin-bottom: var(--spacing-xs);
}

.login-subtitle {
  font-size: 0.875rem;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0;
}

.login-form {
  margin-top: var(--spacing-md);
}

/* ============================================
   Utilities
   ============================================ */
.shadow-sm {
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03) !important;
}

.text-muted {
  color: var(--color-gray) !important;
}

/* ============================================
   Sidebar Accordion
   ============================================ */
.sidebar-section {
  margin-bottom: 0;
}

.sidebar-section__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: inherit;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.sidebar-section__title {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  opacity: 0.6;
  color: var(--color-gray);
}

.sidebar-section__chev {
  width: 10px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  opacity: 0.5;
  transition: transform 0.2s ease;
  color: var(--color-gray);
}

/* 開閉パネル */
.sidebar-section__panel {
  overflow: hidden;
  max-height: 999px;
  transition: max-height 0.25s ease;
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-section__panel:not(.is-open) {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
}

/* 閉じたら矢印を回転 */
.sidebar-section__toggle[aria-expanded="false"] .sidebar-section__chev {
  transform: rotate(-135deg);
}

/* メニュー間の余白が詰まりすぎる場合 */
.sidebar-section__panel > *:first-child {
  margin-top: 4px;
}