/* ==========================================================================
   DB GRAPHICS - Administration Panel Stylesheet
   Full-featured CMS for Settings, Products, Hero, Gallery, and SEO
   ========================================================================== */

:root {
  --admin-bg: #F1F5F9;
  --admin-card-bg: #FFFFFF;
  --admin-border: #E2E8F0;
  --admin-text: #0F172A;
  --admin-muted: #64748B;
  --admin-sidebar-bg: #090D16;
  --admin-sidebar-text: #94A3B8;
  --admin-sidebar-hover: #1E293B;
  --admin-sidebar-active: #2563EB;
  --admin-primary: #2563EB;
  --admin-primary-hover: #1D4ED8;
  --admin-success: #10B981;
  --admin-danger: #EF4444;
  --admin-warning: #F59E0B;
  
  --sidebar-width: 270px;
  --topbar-height: 68px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--admin-bg);
  color: var(--admin-text);
  line-height: 1.5;
  min-height: 100vh;
}

/* Admin Layout */
.admin-wrapper {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
  width: var(--sidebar-width);
  background-color: var(--admin-sidebar-bg);
  color: var(--admin-sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  padding: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-brand-title {
  color: #FFFFFF;
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
}

.sidebar-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  background-color: rgba(37, 99, 235, 0.3);
  color: #93C5FD;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.sidebar-nav {
  padding: 1.25rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex-grow: 1;
}

.sidebar-group-title {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #475569;
  padding: 0.75rem 0.75rem 0.35rem;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.875rem;
  color: var(--admin-sidebar-text);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

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

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

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  color: #64748B;
}

/* Main Content Area */
.admin-main {
  margin-left: var(--sidebar-width);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: calc(100% - var(--sidebar-width));
}

@media (max-width: 1023px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }
  .admin-sidebar.open {
    transform: translateX(0);
  }
  .admin-main {
    margin-left: 0;
    width: 100%;
  }
}

/* Topbar */
.admin-topbar {
  height: var(--topbar-height);
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.75rem;
  position: sticky;
  top: 0;
  z-index: 90;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sidebar-toggle-btn {
  display: none;
  font-size: 1.25rem;
  color: var(--admin-text);
  padding: 0.35rem;
}

@media (max-width: 1023px) {
  .sidebar-toggle-btn {
    display: block;
  }
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Page Body */
.admin-body {
  padding: 2rem 1.75rem 4rem;
  flex-grow: 1;
}

.page-header {
  margin-bottom: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--admin-text);
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: 0.875rem;
  color: var(--admin-muted);
  margin-top: 0.25rem;
}

/* Cards & Sections */
.admin-card {
  background-color: var(--admin-card-bg);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
  overflow: hidden;
}

.admin-card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #FAFAFA;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--admin-text);
}

.card-subtitle {
  font-size: 0.8125rem;
  color: var(--admin-muted);
}

.admin-card-body {
  padding: 1.75rem;
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .form-grid.two-col {
    grid-template-columns: 1fr 1fr;
  }
  .form-grid.three-col {
    grid-template-columns: repeat(3, 1fr);
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--admin-text);
}

.form-hint {
  font-size: 0.75rem;
  color: var(--admin-muted);
}

.form-control {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.9375rem;
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: var(--admin-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

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

/* Image Upload Preview Box */
.image-upload-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.image-preview-box {
  width: 180px;
  height: 120px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--admin-border);
  background-color: #F8FAFC;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.image-preview-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-preview-empty {
  font-size: 0.75rem;
  color: var(--admin-muted);
  text-align: center;
  padding: 0.5rem;
}

/* Custom File Input */
.file-upload-input {
  font-size: 0.875rem;
  color: var(--admin-text);
}

/* Buttons */
.btn-admin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

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

.btn-admin-primary:hover {
  background-color: var(--admin-primary-hover);
}

.btn-admin-secondary {
  background-color: #E2E8F0;
  color: var(--admin-text);
}

.btn-admin-secondary:hover {
  background-color: #CBD5E1;
}

.btn-admin-danger {
  background-color: var(--admin-danger);
  color: #FFFFFF;
}

.btn-admin-danger:hover {
  background-color: #DC2626;
}

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

.btn-admin-outline:hover {
  background-color: #F1F5F9;
}

.btn-admin-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

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

.admin-table th {
  background-color: #F8FAFC;
  padding: 0.875rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--admin-muted);
  border-bottom: 1px solid var(--admin-border);
}

.admin-table td {
  padding: 1rem;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}

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

.table-thumbnail {
  width: 64px;
  height: 48px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background-color: #E2E8F0;
}

/* Status Badges */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}

.status-pill.active {
  background-color: #DCFCE7;
  color: #15803D;
}

.status-pill.inactive {
  background-color: #FEE2E2;
  color: #B91C1C;
}

/* Alert Notification */
.admin-alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-alert.success {
  background-color: #DEF7EC;
  color: #03543F;
  border-left: 4px solid var(--admin-success);
}

.admin-alert.error {
  background-color: #FDE8E8;
  color: #9B1C1C;
  border-left: 4px solid var(--admin-danger);
}

/* Login Page Specific */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #090D16;
  padding: 1.5rem;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  padding: 2.5rem;
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--admin-text);
  margin-bottom: 0.5rem;
}

.login-subtitle {
  font-size: 0.875rem;
  color: var(--admin-muted);
}