/* 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;
}

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

.topbar .navbar-search {
  width: 100%;
  max-width: 400px;
}

.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);
}

.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 {
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9375rem;
}

.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;
}

.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);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  border-radius: 2px;
  font-weight: 400;
  padding: 0.5rem 1.25rem;
  font-size: 0.9375rem;
  transition: all 0.2s ease;
  letter-spacing: 0.3px;
}

.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;
}

/* ============================================
   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: 0.5rem 0.75rem;
  font-size: 0.9375rem;
  transition: border-color 0.2s ease;
}

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

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

/* ============================================
   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;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .sidebar {
    margin-left: -224px;
    transition: margin 0.35s ease;
  }

  .sidebar.toggled {
    margin-left: 0;
  }

  body.sidebar-toggled .sidebar {
    margin-left: -224px;
  }

  #content-wrapper {
    margin-left: 0;
  }

  .container-fluid {
    padding: 1.5rem 1rem;
  }

  .topbar .navbar-search {
    display: none;
  }
}

/* ============================================
   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;
}