/* ==========================================================================
   BUTTER LILY - ADMIN PANEL RESPONSIVE STYLES
   Professional E-Commerce Backoffice Interface across 320px to 1920px+
   ========================================================================== */

:root {
  --admin-bg: #F4F6F8;
  --admin-sidebar-bg: #1A1C23;
  --admin-sidebar-hover: #242731;
  --admin-card-bg: #FFFFFF;
  --admin-text-main: #2D3748;
  --admin-text-muted: #718096;
  --admin-primary: #D64562;
  --admin-primary-hover: #B8324E;
  --admin-accent-blue: #3182CE;
  --admin-accent-green: #38A169;
  --admin-accent-yellow: #DD6B20;
  --admin-accent-purple: #805AD5;
  --admin-border: #E2E8F0;
  --admin-sidebar-width: 260px;
}

body.admin-body {
  background-color: var(--admin-bg);
  color: var(--admin-text-main);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  margin: 0;
  display: flex;
  min-height: 100vh;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  box-sizing: border-box;
}

/* Admin Sidebar Backdrop (for mobile) */
.admin-sidebar-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.admin-sidebar-backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* Admin Sidebar */
.admin-sidebar {
  width: var(--admin-sidebar-width);
  background-color: var(--admin-sidebar-bg);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 999;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.admin-sidebar-header {
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #2D3139;
}

.admin-sidebar-close-btn {
  display: none;
  background: none;
  border: none;
  color: #A0AEC0;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 4px;
}

.admin-brand-name {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.06em;
}

.admin-brand-tag {
  font-size: 0.625rem;
  color: #F5CAC3;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.admin-nav {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  flex-grow: 1;
  -webkit-overflow-scrolling: touch;
}

.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-radius: 6px;
  color: #A0AEC0;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
  text-decoration: none;
}

.admin-nav-item:hover {
  background-color: var(--admin-sidebar-hover);
  color: #FFFFFF;
}

.admin-nav-item.active {
  background-color: var(--admin-primary);
  color: #FFFFFF;
  font-weight: 600;
}

.admin-nav-item .icon {
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

.admin-sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid #2D3139;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #14161D;
}

.admin-user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: var(--admin-primary);
  color: #FFFFFF;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.813rem;
}

.admin-user-details {
  display: flex;
  flex-direction: column;
}

.admin-user-name {
  font-size: 0.813rem;
  font-weight: 600;
  color: #FFFFFF;
}

.admin-user-role {
  font-size: 0.688rem;
  color: #A0AEC0;
}

/* Admin Main Content Container */
.admin-main {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  width: 100%;
  overflow-x: hidden;
}

/* Admin Topbar */
.admin-topbar {
  background-color: #FFFFFF;
  min-height: 64px;
  padding: 10px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--admin-border);
  position: sticky;
  top: 0;
  z-index: 40;
}

.admin-topbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-grow: 1;
  max-width: 420px;
}

.admin-mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 6px;
  background-color: #EDF2F7;
  color: var(--admin-text-main);
  font-size: 1.25rem;
  cursor: pointer;
  border: none;
}

.admin-search-wrap {
  position: relative;
  width: 100%;
  max-width: 340px;
}

.admin-search-input {
  width: 100%;
  padding: 9px 14px 9px 36px;
  background-color: #F8FAFC;
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  font-size: 0.875rem;
  outline: none;
  box-sizing: border-box;
}

.admin-search-input:focus {
  border-color: var(--admin-primary);
  background-color: #FFFFFF;
}

.admin-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #A0AEC0;
}

.admin-topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.admin-store-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background-color: #EDF2F7;
  color: var(--admin-text-main);
  border-radius: 6px;
  font-size: 0.813rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.admin-store-btn:hover {
  background-color: #E2E8F0;
}

/* Page Content Body */
.admin-content-body {
  padding: clamp(16px, 3vw, 32px);
  flex-grow: 1;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.admin-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

.admin-page-title {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--admin-text-main);
  margin: 0;
}

.admin-page-sub {
  font-size: 0.875rem;
  color: var(--admin-text-muted);
  margin-top: 4px;
}

/* Stat Cards Grid */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}

.admin-stat-card {
  background-color: var(--admin-card-bg);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--admin-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--admin-text-main);
}

.stat-icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.stat-icon-sales { background-color: #EBF8FF; color: #3182CE; }
.stat-icon-orders { background-color: #F0FFF4; color: #38A169; }
.stat-icon-customers { background-color: #FAF5FF; color: #805AD5; }
.stat-icon-products { background-color: #FFF5F5; color: #D64562; }
.stat-icon-stock { background-color: #FFFAF0; color: #DD6B20; }

/* Charts & Low Stock */
.admin-charts-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.admin-card {
  background-color: var(--admin-card-bg);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  width: 100%;
  box-sizing: border-box;
}

.admin-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--admin-border);
  flex-wrap: wrap;
  gap: 10px;
}

.admin-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--admin-text-main);
  margin: 0;
}

/* Responsive Table Wrapper */
.admin-table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 6px;
  border: 1px solid var(--admin-border);
  background: #FFFFFF;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
  white-space: nowrap;
}

.admin-table th {
  background-color: #F8FAFC;
  padding: 12px 16px;
  font-weight: 600;
  color: #4A5568;
  border-bottom: 1px solid var(--admin-border);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--admin-border);
  color: var(--admin-text-main);
  vertical-align: middle;
}

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

.admin-table tr:hover td {
  background-color: #F8FAFC;
}

/* Action Buttons */
.admin-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border-radius: 4px;
  border: 1px solid var(--admin-border);
  background-color: #EDF2F7;
  color: var(--admin-text-main);
  text-decoration: none;
  font-size: 0.813rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  gap: 4px;
}

.admin-action-btn:hover {
  background-color: var(--admin-primary);
  color: #FFFFFF;
  border-color: var(--admin-primary);
}

.admin-action-delete:hover {
  background-color: #E53E3E;
  color: #FFFFFF;
  border-color: #E53E3E;
}

/* Admin Form Controls */
.admin-form-group {
  margin-bottom: 18px;
}

.admin-form-label {
  display: block;
  font-size: 0.813rem;
  font-weight: 600;
  color: #4A5568;
  margin-bottom: 6px;
}

.admin-form-input, .admin-form-select, .admin-form-textarea {
  width: 100%;
  padding: 10px 14px;
  background-color: #FFFFFF;
  border: 1px solid var(--admin-border);
  border-radius: 6px;
  font-size: 0.875rem;
  outline: none;
  box-sizing: border-box;
}

.admin-form-input:focus, .admin-form-select:focus, .admin-form-textarea:focus {
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(214, 69, 98, 0.12);
}

.admin-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.admin-form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 18px;
}

/* ==========================================================================
   ADMIN RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1200px) {
  .admin-stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    transform: translateX(-100%);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  }
  
  .admin-sidebar.open {
    transform: translateX(0);
  }

  .admin-sidebar-close-btn {
    display: block;
  }

  .admin-mobile-toggle {
    display: inline-flex;
  }

  .admin-charts-grid {
    grid-template-columns: 1fr;
  }
  
  .admin-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .admin-topbar {
    padding: 10px 16px;
  }
}

@media (max-width: 768px) {
  .admin-form-row, .admin-form-row-3 {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .admin-page-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .admin-page-header .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .admin-stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .admin-content-body {
    padding: 14px;
  }

  .admin-stat-card {
    padding: 14px;
  }

  .admin-stat-card .stat-value {
    font-size: 1.2rem;
  }

  .admin-topbar-left {
    max-width: 200px;
  }
}