/* 
  Admin Panel Redesign
  - Modern, dark theme with gold accents
  - Responsive layout (desktop, tablet, mobile)
  - Improved UI components (sidebar, tables, modals, forms)
*/

:root {
  --primary-gold: #d4af37;
  --dark-bg: #0a0a0a;
  --content-bg: #121212;
  --sidebar-bg: #050505;
  --border-color: #2a2a2a;
  --text-light: #f0f0f0;
  --text-muted: #888;
  --danger-red: #e74c3c;
  --success-green: #2ecc71;
  --font-primary: 'Inter', sans-serif;
  --font-secondary: 'Playfair Display', serif;
}

/* Base Styles */
body {
  background-color: var(--dark-bg);
  color: var(--text-light);
  font-family: var(--font-primary);
  margin: 0;
}

.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
  width: 260px;
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100%;
  transition: width 0.3s ease;
}

.sidebar-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

.sidebar-header h2 {
  color: var(--primary-gold);
  font-family: var(--font-secondary);
  margin: 0;
  font-size: 1.8rem;
  letter-spacing: 1px;
}

.sidebar-nav {
  flex-grow: 1;
  padding: 20px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: 16px 24px;
  color: var(--text-light);
  text-decoration: none;
  transition: all 0.3s ease;
  border-left: 4px solid transparent;
  font-size: 1rem;
  font-weight: 500;
}

.nav-item:hover {
  background-color: var(--content-bg);
  color: var(--primary-gold);
}

.nav-item.active {
  background-color: var(--content-bg);
  border-left-color: var(--primary-gold);
  color: var(--primary-gold);
  font-weight: 600;
}

.nav-item span {
  margin-right: 16px;
  font-size: 1.4rem;
  width: 24px;
  text-align: center;
}

/* Main Content */
.admin-main {
  flex: 1;
  margin-left: 260px;
  padding: 0;
  transition: margin-left 0.3s ease;
}

.admin-header {
  background-color: var(--content-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 20px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-header h1 {
  color: var(--text-light);
  margin: 0;
  font-family: var(--font-secondary);
  font-size: 2rem;
}

.header-actions {
  display: flex;
  gap: 15px;
}

.content-section {
  padding: 30px;
}

/* Buttons */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  font-size: 14px;
  letter-spacing: 0.5px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary-gold);
  color: #000;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
  background: var(--border-color);
  color: var(--text-light);
}

.btn-secondary:hover {
  background: #444;
}

.btn-danger {
  background: var(--danger-red);
  color: #fff;
}

.btn-danger:hover {
  background: #c0392b;
}

.btn-outline {
  background: transparent;
  color: var(--primary-gold);
  border: 1px solid var(--primary-gold);
}

.btn-outline:hover {
  background: var(--primary-gold);
  color: #000;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

/* Dashboard Stats */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.stat-card {
  background: var(--content-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 25px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  border-color: var(--primary-gold);
}

.stat-icon {
  font-size: 2.5rem;
  opacity: 0.8;
}

.stat-info h3 {
  color: var(--primary-gold);
  font-size: 2.5rem;
  margin: 0;
  font-weight: 700;
}

.stat-info p {
  color: var(--text-muted);
  margin: 5px 0 0 0;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Card */
.card {
  background: var(--content-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-top: 30px;
}

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

.card-header h3 {
  margin: 0;
  font-family: var(--font-secondary);
  color: var(--primary-gold);
  font-size: 1.5rem;
}

.card-body {
  padding: 20px;
}

.action-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* Table */
.table-container {
  background: var(--content-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  background: #1a1a1a;
  color: var(--text-light);
  padding: 16px;
  text-align: left;
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

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

.admin-table tr:hover {
  background: #1a1a1a;
}

.product-thumb {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.no-image {
  width: 50px;
  height: 50px;
  background: var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--text-muted);
}

.stock-badge {
  padding: 5px 10px;
  border-radius: 15px;
  font-size: 12px;
  font-weight: bold;
  text-transform: uppercase;
}

.stock-badge.in-stock {
  background: rgba(46, 204, 113, 0.2);
  color: var(--success-green);
}

.stock-badge.out-of-stock {
  background: rgba(231, 76, 60, 0.2);
  color: var(--danger-red);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  align-items: flex-start;
  justify-content: center;
  backdrop-filter: blur(5px);
  overflow-y: auto; /* Allow vertical scrolling for tall modals */
  padding: 2rem 0; /* Add padding to prevent modal from touching viewport edges */
}

.modal-content {
  background: var(--content-bg);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  width: 90%;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 4rem); /* CRITICAL FIX: Constrain height to enable scrolling */
}

.modal-large {
  max-width: 800px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  color: var(--primary-gold);
  margin: 0;
  font-family: var(--font-secondary);
  font-size: 1.5rem;
}

.close {
  color: var(--text-muted);
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s ease;
}

.close:hover {
  color: var(--danger-red);
}

.modal-body {
  padding: 20px 30px;
  overflow-y: auto;
  flex: 1; /* Make body flexible to fill space */
  min-height: 0; /* Allow shrinking for scroll */
}

/* Form Styles */
.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  color: var(--text-light);
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--dark-bg);
  color: var(--text-light);
  font-size: 14px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 20px 30px;
  border-top: 1px solid var(--border-color);
}

/* Product Form Specific Layout */
.product-form-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.product-form-image .form-group {
    margin-bottom: 0;
}

.image-input {
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    z-index: -1;
}

.image-drop-zone {
    display: block;
    cursor: pointer;
}

.image-preview {
    width: 100%;
    height: 100%;
    min-height: 300px;
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--dark-bg);
    position: relative;
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.image-drop-zone:hover .image-preview {
    border-color: var(--primary-gold);
}

.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--text-muted);
}

.image-placeholder span {
    font-size: 2.5rem;
    margin: 0;
}

.image-placeholder p {
    margin: 5px 0 0;
    font-size: 14px;
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}


/* Form Messages */
.form-message {
  margin-top: 15px;
  padding: 12px;
  border-radius: 8px;
  font-weight: 500;
  text-align: center;
}
.form-message.success {
  background-color: rgba(46, 204, 113, 0.2);
  color: var(--success-green);
}
.form-message.error {
  background-color: rgba(231, 76, 60, 0.2);
  color: var(--danger-red);
}

/* Mobile Navigation */
.mobile-nav-toggle {
  display: none; /* Hidden on desktop */
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.mobile-nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--text-light);
  margin: 5px 0;
  transition: all 0.3s ease;
}

.mobile-nav-menu {
  display: none; /* Hidden by default */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.mobile-nav-menu.active {
  display: flex;
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-menu .nav-item {
  font-size: 1.5rem;
  padding: 15px;
  width: 80%;
  text-align: center;
  border-radius: 10px;
}
.mobile-nav-menu .nav-item:hover {
  background: var(--content-bg);
}
.mobile-nav-menu .nav-item.active {
  border-left: none;
  border-bottom: 2px solid var(--primary-gold);
}

/* Responsive Design */
@media (max-width: 992px) {
  .admin-sidebar {
    width: 70px;
  }

  .admin-sidebar:hover {
    width: 260px;
  }

  .admin-sidebar:hover .sidebar-header h2,
  .admin-sidebar:hover .nav-item-text {
    display: block;
  }

  .sidebar-header h2,
  .nav-item-text {
    display: none;
  }

  .sidebar-header {
    padding: 20px 0;
  }

  .nav-item {
    justify-content: center;
  }

  .nav-item span {
    margin-right: 0;
  }

  .admin-main {
    margin-left: 70px;
  }
}

@media (max-width: 768px) {
  .admin-sidebar {
    display: none; /* Hide sidebar completely */
  }

  .admin-main {
    margin-left: 0;
  }

  .admin-header {
    padding: 15px 20px;
    display: grid;
    grid-template-columns: auto 1fr auto; /* 3 columns: toggle, title, actions */
    align-items: center;
    gap: 15px;
  }
  
  .mobile-nav-toggle {
    display: block; /* Show hamburger */
    grid-column: 1;
  }
  
  /* Hamburger animation when active */
  .mobile-nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .mobile-nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .mobile-nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .admin-header h1 {
    font-size: 1.5rem;
    grid-column: 2;
    text-align: center;
    margin: 0;
  }
  
  .header-actions {
    gap: 8px;
    grid-column: 3;
    justify-self: end;
  }

  .content-section {
    padding: 20px;
  }

  .dashboard-stats {
    grid-template-columns: 1fr;
  }

  .modal-content {
    width: calc(100% - 40px);
    margin: 0;
  }

  .modal-body {
    padding: 20px;
  }

  .form-actions {
    padding: 15px 20px;
  }

  .form-row {
    grid-template-columns: 1fr 1fr; /* Place fields side-by-side */
    gap: 15px;
    margin-bottom: 20px;
  }
  .form-row .form-group {
    margin-bottom: 0; /* Remove margin from groups inside a row */
  }

  .product-form-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .product-form-image {
    order: -1; /* Move image to the top on mobile */
  }

  .image-preview {
    min-height: 120px; /* Reduce image preview height */
  }

  textarea {
    min-height: 45px; /* Make textareas one-line high initially on mobile */
  }

  .image-placeholder span {
    font-size: 2rem; /* Smaller icon */
  }

  .image-placeholder p {
    font-size: 12px; /* Smaller text */
  }

  /* Responsive Table to Card View - NEW PROFESSIONAL REDESIGN */
  .table-container {
    border: none;
    background: transparent;
  }

  .admin-table thead {
    display: none;
  }

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

  .admin-table tr {
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--content-bg);
    overflow: hidden;
    padding: 16px;
  }

  .admin-table td {
    padding: 0;
    border: none;
    text-align: left;
    position: relative;
  }
  
  .admin-table td::before {
    display: none; /* Hide the old label */
  }

  /* Product Card Layout */
  #productsTableBody tr {
    display: grid;
    grid-template-columns: 65px 1fr;
    grid-template-rows: auto;
    gap: 10px 15px;
    align-items: center;
  }

  #productsTableBody td[data-label="Image"] {
    grid-row: 1 / span 3;
    align-self: start;
  }
  #productsTableBody td[data-label="Image"] .product-thumb,
  #productsTableBody td[data-label="Image"] .no-image {
    width: 65px;
    height: 65px;
  }

  #productsTableBody td[data-label="Name"] {
    grid-column: 2;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    align-self: start;
  }

  #productsTableBody td[data-label="Category"],
  #productsTableBody td[data-label="Price"] {
    grid-column: 2;
    color: var(--text-muted);
    font-size: 0.9rem;
  }
  
  #productsTableBody td[data-label="Price"] {
    font-weight: 500;
    color: var(--primary-gold);
  }

  #productsTableBody td[data-label="Stock"] {
    grid-column: 1 / -1;
    padding-top: 10px;
  }

  #productsTableBody td[data-label="Actions"] {
    grid-column: 1 / -1;
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
    margin-top: 5px;
  }
  
  #productsTableBody td[data-label="Actions"] .action-buttons {
    justify-content: flex-start;
  }

  /* Category Card Layout */
  #categoriesTableBody tr {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px 15px;
    align-items: center;
  }

  #categoriesTableBody td[data-label="Name"] {
    font-size: 1.1rem;
    font-weight: 600;
  }

  #categoriesTableBody td[data-label="Created"] {
    color: var(--text-muted);
    font-size: 0.9rem;
  }

  #categoriesTableBody td[data-label="Actions"] {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
}

/* Login Page Styles */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 40px;
  background-color: var(--content-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  text-align: center;
  position: relative;
}

.login-container h1 {
  font-family: var(--font-secondary);
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary-gold);
}

.login-container p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.login-container .form-group {
  text-align: left;
}

.login-container .form-group label {
  color: var(--text-light);
}

.login-container .form-group input {
  background-color: var(--dark-bg);
}

.login-container .form-message.error {
  margin-top: 1.5rem;
}

.back-link {
  position: absolute;
  top: 20px;
  left: 20px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

.back-link:hover {
  color: var(--primary-gold);
}