:root {
  --bg-primary: #0d0d1a;
  --bg-secondary: #12122a;
  --bg-card: #16162e;
  --bg-card-hover: #1a1a36;
  --accent: #00ff88;
  --accent-dim: rgba(0, 255, 136, 0.12);
  --accent-hover: #00cc6a;
  --text-primary: #ffffff;
  --text-secondary: #9e9ec0;
  --text-muted: #5e5e80;
  --border: #1e1e3a;
  --border-hover: #2a2a4a;
  --danger: #ff4757;
  --warning: #ffa502;
  --success: #00ff88;
  --info: #0096ff;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --sidebar-width: 260px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font); background: var(--bg-primary); color: var(--text-primary); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ═══════════════════════ LOGIN ═══════════════════════ */

.login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(ellipse at center, rgba(0,255,136,0.05) 0%, var(--bg-primary) 70%);
}
.login-container { width: 100%; max-width: 420px; padding: 20px; }
.login-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 40px;
}
.login-header { text-align: center; margin-bottom: 32px; }
.login-logo { font-size: 36px; color: var(--accent); margin-bottom: 12px; }
.login-header h1 { font-size: 24px; font-weight: 800; }
.login-header p { color: var(--text-secondary); font-size: 14px; }
.back-link {
  display: block; text-align: center; margin-top: 20px;
  font-size: 13px; color: var(--text-muted); transition: var(--transition);
}
.back-link:hover { color: var(--accent); }

/* ═══════════════════════ BUTTONS ═══════════════════════ */

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border: none; border-radius: var(--radius-sm);
  font-family: var(--font); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: var(--transition); text-transform: uppercase;
  letter-spacing: 0.5px;
}
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--text-primary); border: 1.5px solid var(--border-hover); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: 14px 32px; font-size: 15px; }
.btn-full { width: 100%; justify-content: center; }

/* ═══════════════════════ FORMS ═══════════════════════ */

.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-size: 13px; font-weight: 600;
  margin-bottom: 6px; color: var(--text-secondary);
}
.form-group label i { margin-right: 6px; color: var(--accent); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; background: var(--bg-primary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-primary); font-family: var(--font); font-size: 14px;
  outline: none; transition: var(--transition);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-group textarea { resize: vertical; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group.full { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 12px; margin-top: 24px; }
.file-input { padding: 10px !important; }
.current-image { margin-bottom: 10px; }
.current-image img { width: 120px; height: 120px; object-fit: cover; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.checkbox-label {
  display: flex !important; align-items: center; gap: 10px;
  cursor: pointer; font-weight: 400 !important;
}
.checkbox-label input { width: auto !important; accent-color: var(--accent); }

/* ═══════════════════════ ALERTS ═══════════════════════ */

.alert {
  padding: 14px 20px; border-radius: var(--radius-sm); margin-bottom: 20px;
  font-size: 14px; display: flex; align-items: center; gap: 10px;
}
.alert-error { background: rgba(255,71,87,0.1); border: 1px solid rgba(255,71,87,0.3); color: var(--danger); }
.alert-success { background: rgba(0,255,136,0.1); border: 1px solid rgba(0,255,136,0.3); color: var(--accent); }
.alert-warning { background: rgba(255,165,2,0.1); border: 1px solid rgba(255,165,2,0.3); color: var(--warning); }
.alert a { color: inherit; text-decoration: underline; margin-left: auto; font-weight: 600; }

/* ═══════════════════════ SIDEBAR ═══════════════════════ */

.admin-sidebar {
  position: fixed; left: 0; top: 0; bottom: 0;
  width: var(--sidebar-width); background: var(--bg-secondary);
  border-right: 1px solid var(--border); z-index: 100;
  overflow-y: auto; transition: var(--transition);
}
.sidebar-header {
  padding: 20px; display: flex; align-items: center;
  justify-content: space-between; border-bottom: 1px solid var(--border);
}
.sidebar-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 18px; font-weight: 800;
}
.sidebar-logo i { color: var(--accent); }
.sidebar-close { display: none; background: none; border: none; color: var(--text-secondary); font-size: 18px; cursor: pointer; }
.sidebar-nav { padding: 12px; }
.sidebar-link {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; color: var(--text-secondary);
  transition: var(--transition); margin-bottom: 2px;
}
.sidebar-link:hover { background: var(--bg-card); color: var(--text-primary); }
.sidebar-link.active { background: var(--accent-dim); color: var(--accent); }
.sidebar-link i { width: 20px; text-align: center; font-size: 15px; }
.sidebar-link.logout { color: var(--danger); }
.sidebar-link.logout:hover { background: rgba(255,71,87,0.1); }
.sidebar-divider { height: 1px; background: var(--border); margin: 12px 0; }

/* ═══════════════════════ MAIN CONTENT ═══════════════════════ */

.admin-main {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}
.admin-header {
  padding: 16px 32px; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px;
  position: sticky; top: 0; z-index: 50;
}
.admin-header h2 { font-size: 20px; font-weight: 700; flex: 1; }
.sidebar-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 20px; cursor: pointer; }
.admin-user { font-size: 13px; color: var(--text-secondary); display: flex; align-items: center; gap: 8px; }
.admin-user i { color: var(--accent); }
.admin-content { padding: 32px; }

/* ═══════════════════════ STATS ═══════════════════════ */

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  display: flex; align-items: center; gap: 16px;
  transition: var(--transition);
}
.stat-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.stat-icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.stat-icon.revenue { background: rgba(0,255,136,0.15); color: var(--accent); }
.stat-icon.orders { background: rgba(0,150,255,0.15); color: var(--info); }
.stat-icon.products { background: rgba(255,165,2,0.15); color: var(--warning); }
.stat-icon.customers { background: rgba(160,0,255,0.15); color: #a000ff; }
.stat-info { display: flex; flex-direction: column; }
.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.stat-value { font-size: 24px; font-weight: 800; }

/* ═══════════════════════ DASHBOARD ═══════════════════════ */

.dashboard-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 20px; }
.dashboard-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  margin-bottom: 20px;
}
.dashboard-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 16px; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.card-header h3 { margin-bottom: 0; }
.card-link { font-size: 13px; color: var(--accent); font-weight: 600; }
.chart-card canvas { width: 100% !important; }
.empty-text { color: var(--text-muted); font-size: 14px; text-align: center; padding: 20px; }

/* ═══════════════════════ TABLES ═══════════════════════ */

.table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  text-align: left; padding: 12px 16px; font-size: 11px;
  font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
  color: var(--text-muted); border-bottom: 1px solid var(--border);
}
.admin-table td { padding: 14px 16px; font-size: 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.admin-table tbody tr:hover { background: var(--bg-card-hover); }
.admin-table.compact td { padding: 10px 12px; font-size: 13px; }
.text-muted { color: var(--text-muted); }
.table-img { width: 48px; height: 48px; border-radius: var(--radius-sm); overflow: hidden; }
.table-img img { width: 100%; height: 100%; object-fit: cover; }
.table-img-placeholder {
  width: 100%; height: 100%; background: var(--bg-primary);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 16px;
}
.table-actions { display: flex; gap: 8px; }
.action-btn {
  width: 34px; height: 34px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); background: transparent;
  color: var(--text-secondary); cursor: pointer; transition: var(--transition);
  font-size: 13px;
}
.action-btn:hover { border-color: var(--border-hover); }
.action-btn.edit:hover { color: var(--accent); border-color: var(--accent); }
.action-btn.delete:hover { color: var(--danger); border-color: var(--danger); }
.action-btn.view:hover { color: var(--info); border-color: var(--info); }

.stock-indicator {
  display: inline-block; padding: 4px 10px; border-radius: 100px;
  font-size: 12px; font-weight: 700;
}
.stock-indicator.ok { background: rgba(0,255,136,0.15); color: var(--accent); }
.stock-indicator.low { background: rgba(255,165,2,0.15); color: var(--warning); }
.stock-indicator.out { background: rgba(255,71,87,0.15); color: var(--danger); }

.status-toggle {
  padding: 4px 12px; border-radius: 100px; font-size: 11px;
  font-weight: 700; border: none; cursor: pointer;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.status-toggle.active { background: rgba(0,255,136,0.15); color: var(--accent); }
.status-toggle.inactive { background: rgba(255,71,87,0.15); color: var(--danger); }
.status-badge {
  display: inline-block; padding: 4px 10px; border-radius: 100px;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px;
}
.status-badge.paid, .status-badge.delivered, .status-badge.active { background: rgba(0,255,136,0.15); color: var(--accent); }
.status-badge.pending { background: rgba(255,165,2,0.15); color: var(--warning); }
.status-badge.processing, .status-badge.shipped { background: rgba(0,150,255,0.15); color: var(--info); }
.status-badge.cancelled, .status-badge.unpaid, .status-badge.inactive { background: rgba(255,71,87,0.15); color: var(--danger); }

/* ═══════════════════════ PAGE ACTIONS ═══════════════════════ */

.page-actions {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; margin-bottom: 20px; flex-wrap: wrap;
}
.filter-tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.filter-tab {
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 500; color: var(--text-secondary);
  transition: var(--transition); border: 1px solid transparent;
}
.filter-tab:hover { color: var(--text-primary); background: var(--bg-card); }
.filter-tab.active { background: var(--accent-dim); color: var(--accent); border-color: rgba(0,255,136,0.2); }
.admin-search {
  display: flex; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); overflow: hidden;
}
.admin-search input {
  padding: 10px 16px; background: transparent; border: none;
  color: var(--text-primary); font-family: var(--font); outline: none;
  width: 240px; font-size: 13px;
}
.admin-search button { padding: 10px 14px; background: transparent; border: none; color: var(--text-secondary); cursor: pointer; }

/* ═══════════════════════ EMPTY STATE ═══════════════════════ */

.empty-state-admin { text-align: center; padding: 48px 20px; }
.empty-state-admin i { font-size: 40px; color: var(--text-muted); margin-bottom: 12px; }
.empty-state-admin h3 { font-size: 18px; margin-bottom: 6px; }
.empty-state-admin p { color: var(--text-secondary); margin-bottom: 20px; font-size: 14px; }

/* ═══════════════════════ ORDER DETAIL ═══════════════════════ */

.order-detail-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 20px; }
.order-side { display: flex; flex-direction: column; gap: 20px; }
.order-side .dashboard-card { margin-bottom: 0; }
.order-items-list { margin-top: 20px; }
.order-items-list h4 { font-size: 14px; font-weight: 700; margin-bottom: 12px; }
.order-item-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.order-item-img { width: 48px; height: 48px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; }
.order-item-img img { width: 100%; height: 100%; object-fit: cover; }
.order-item-info { flex: 1; }
.order-item-info strong { font-size: 14px; display: block; }
.order-item-info span { font-size: 12px; color: var(--text-muted); }
.order-item-price { font-weight: 700; font-size: 14px; }
.order-totals { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }
.order-total-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: 14px; color: var(--text-secondary); }
.order-total-row.total { font-size: 18px; font-weight: 800; color: var(--text-primary); padding-top: 12px; border-top: 1px solid var(--border); margin-top: 8px; }

/* ═══════════════════════ SETTINGS ═══════════════════════ */

.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.settings-grid .dashboard-card { margin-bottom: 0; }
.settings-grid .dashboard-card h3 { display: flex; align-items: center; gap: 10px; }
.settings-grid .dashboard-card h3 i { color: var(--accent); }

/* ═══════════════════════ MODALS ═══════════════════════ */

.modal {
  display: none; position: fixed; inset: 0; z-index: 1000;
  align-items: center; justify-content: center;
}
.modal.show { display: flex; }
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); }
.modal-content {
  position: relative; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px; width: 100%; max-width: 480px;
  z-index: 1;
}
.modal-content h3 { font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.modal-actions { display: flex; gap: 10px; margin-top: 20px; }

/* ═══════════════════════ PRODUCT FORM ═══════════════════════ */

.product-form-layout .dashboard-card { margin-bottom: 20px; }
.product-form-layout .dashboard-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 16px; }
.image-upload-area {
  border: 2px dashed var(--border); border-radius: var(--radius);
  cursor: pointer; transition: var(--transition); overflow: hidden;
  min-height: 200px; position: relative;
}
.image-upload-area:hover, .image-upload-area.drag-over {
  border-color: var(--accent); background: var(--accent-dim);
}
.image-upload-placeholder {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; padding: 40px; color: var(--text-muted);
  text-align: center;
}
.image-upload-placeholder i { font-size: 36px; margin-bottom: 12px; }
.image-upload-placeholder p { font-size: 14px; margin-bottom: 4px; }
.image-upload-placeholder span { font-size: 12px; }
.image-preview { position: relative; }
.image-preview img {
  width: 100%; max-height: 300px; object-fit: contain;
  display: block; background: var(--bg-primary);
}
.image-remove-btn {
  position: absolute; top: 10px; right: 10px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--danger); color: #fff; border: none;
  cursor: pointer; font-size: 14px; display: flex;
  align-items: center; justify-content: center;
  transition: var(--transition);
}
.image-remove-btn:hover { transform: scale(1.1); }

/* ═══════════════════════ TOAST ═══════════════════════ */

#toast-container { position: fixed; top: 24px; right: 24px; z-index: 10000; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 14px 20px; border-radius: var(--radius-sm);
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-primary); font-size: 14px; font-weight: 500;
  box-shadow: var(--shadow); animation: slideIn 0.3s ease;
  display: flex; align-items: center; gap: 10px; min-width: 280px;
}
.toast.success { border-color: var(--accent); }
.toast.success i { color: var(--accent); }
.toast.error { border-color: var(--danger); }
.toast.error i { color: var(--danger); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ═══════════════════════ CONTENT TABS ═══════════════════════ */

.content-tabs {
  display: flex; gap: 4px; margin-bottom: 24px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 6px; flex-wrap: wrap;
}
.content-tab {
  padding: 10px 20px; border: none; background: transparent;
  color: var(--text-secondary); font-family: var(--font);
  font-size: 13px; font-weight: 600; border-radius: var(--radius-sm);
  cursor: pointer; transition: var(--transition);
}
.content-tab:hover { color: var(--text-primary); background: var(--bg-card-hover); }
.content-tab.active { background: var(--accent); color: #000; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.testimonial-edit-card {
  padding: 20px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); margin-bottom: 16px;
  background: var(--bg-primary);
}
.testimonial-edit-card h4 {
  font-size: 14px; font-weight: 700; margin-bottom: 12px;
  color: var(--accent);
}

/* ═══════════════════════ GALLERY ═══════════════════════ */

.gallery-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px; margin-top: 16px;
}
.gallery-item {
  position: relative; border-radius: var(--radius-sm);
  overflow: hidden; border: 1px solid var(--border);
  background: var(--bg-primary); transition: var(--transition);
}
.gallery-item:hover { border-color: var(--accent); }
.gallery-item img {
  width: 100%; aspect-ratio: 1; object-fit: cover; display: block;
}
.gallery-overlay {
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6); display: flex;
  align-items: center; justify-content: center; gap: 8px;
  opacity: 0; transition: var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-btn {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.3); background: rgba(0,0,0,0.5);
  color: #fff; font-size: 14px; cursor: pointer; transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.gallery-btn.copy:hover { background: var(--accent); color: #000; border-color: var(--accent); }
.gallery-btn.delete:hover { background: var(--danger); border-color: var(--danger); }
.gallery-name {
  padding: 8px 10px; font-size: 11px; color: var(--text-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.dropzone {
  border: 2px dashed var(--border); border-radius: var(--radius);
  padding: 40px; text-align: center; color: var(--text-muted);
  transition: var(--transition); cursor: pointer;
}
.dropzone i { font-size: 36px; margin-bottom: 12px; display: block; }
.dropzone p { font-size: 14px; margin-bottom: 4px; }
.dropzone.drag-over { border-color: var(--accent); background: var(--accent-dim); color: var(--accent); }

/* ═══════════════════════ QUICK PRICE EDIT ═══════════════════════ */

.quick-edit-input {
  width: 90px; padding: 6px 10px; background: var(--bg-primary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-primary); font-family: var(--font); font-size: 13px;
  font-weight: 700; outline: none; transition: var(--transition);
}
.quick-edit-input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-dim); }
.quick-save-btn {
  padding: 4px 10px; background: var(--accent); color: #000;
  border: none; border-radius: var(--radius-sm); font-size: 11px;
  font-weight: 700; cursor: pointer; margin-left: 4px; transition: var(--transition);
  opacity: 0; pointer-events: none;
}
.quick-save-btn.visible { opacity: 1; pointer-events: all; }

/* ═══════════════════════ RESPONSIVE ═══════════════════════ */

@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .order-detail-grid { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
  .content-tabs { flex-wrap: wrap; }
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}

@media (max-width: 768px) {
  .admin-sidebar { transform: translateX(-100%); }
  .admin-sidebar.open { transform: translateX(0); }
  .sidebar-close { display: block; }
  .sidebar-toggle { display: block; }
  .admin-main { margin-left: 0; }
  .admin-header { padding: 16px 20px; }
  .admin-content { padding: 20px; }
  .stats-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .page-actions { flex-direction: column; align-items: flex-start; }
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { min-width: 600px; }
  .content-tabs { gap: 4px; }
  .content-tabs button { padding: 8px 12px; font-size: 13px; }
  .testimonial-edit-card { padding: 16px; }
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
  .dropzone { padding: 24px; }
  .image-upload-area { padding: 16px; }
}

@media (max-width: 480px) {
  .admin-header { padding: 12px 16px; }
  .admin-header h1 { font-size: 18px; }
  .admin-content { padding: 16px; }
  .stats-grid { gap: 12px; }
  .stat-card { padding: 16px; }
  .stat-card h3 { font-size: 22px; }
  .page-title { font-size: 20px; }
  .btn { padding: 10px 16px; font-size: 12px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .content-tabs button { padding: 6px 10px; font-size: 12px; }
}