/* ============================================
   Apple Design System — 聚合发卡平台
   基于 awesome-design-md/apple/DESIGN.md
   ============================================ */

/* ── Design Tokens ── */
:root {
  /* Colors */
  --clr-primary: #0066cc;
  --clr-primary-focus: #0071e3;
  --clr-primary-on-dark: #2997ff;
  --clr-ink: #1d1d1f;
  --clr-body: #1d1d1f;
  --clr-body-on-dark: #ffffff;
  --clr-body-muted: #cccccc;
  --clr-ink-muted-80: #333333;
  --clr-ink-muted-48: #7a7a7a;
  --clr-divider-soft: #f0f0f0;
  --clr-hairline: #e0e0e0;
  --clr-canvas: #ffffff;
  --clr-canvas-parchment: #f5f5f7;
  --clr-surface-pearl: #fafafc;
  --clr-surface-tile-1: #272729;
  --clr-surface-tile-2: #2a2a2c;
  --clr-surface-black: #000000;
  --clr-on-primary: #ffffff;
  --clr-on-dark: #ffffff;
  --clr-danger: #ff3b30;
  --clr-success: #34c759;
  --clr-warning: #ff9500;

  /* Typography */
  --ff-display: "SF Pro Display", system-ui, -apple-system, sans-serif;
  --ff-text: "SF Pro Text", system-ui, -apple-system, sans-serif;

  /* Rounded */
  --rd-none: 0px;
  --rd-xs: 5px;
  --rd-sm: 8px;
  --rd-md: 11px;
  --rd-lg: 18px;
  --rd-pill: 9999px;
  --rd-full: 9999px;

  /* Spacing */
  --sp-xxs: 4px;
  --sp-xs: 8px;
  --sp-sm: 12px;
  --sp-md: 17px;
  --sp-lg: 24px;
  --sp-xl: 32px;
  --sp-xxl: 48px;
  --sp-section: 80px;

  /* Nav */
  --nav-h: 44px;

  /* Shadows */
  --shadow-product: rgba(0,0,0,0.22) 3px 5px 30px 0;

  /* Transitions */
  --transition-fast: all 0.2s ease;
}

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

html {
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--ff-text);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.47;
  letter-spacing: -0.374px;
  color: var(--clr-body);
  background: var(--clr-canvas-parchment);
  min-height: 100vh;
}

a {
  color: var(--clr-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}
a:hover { color: var(--clr-primary-focus); text-decoration: underline; }

img { max-width: 100%; }

/* ── Global Nav (Apple-style black bar) ── */
.top-bar {
  background: var(--clr-surface-black);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
}

.top-bar .brand {
  font-family: var(--ff-text);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.0;
  letter-spacing: -0.12px;
  color: var(--clr-on-dark);
  opacity: 0.8;
}

.top-bar .nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  line-height: 1.0;
  letter-spacing: -0.12px;
}

.top-bar .nav-right a,
.top-bar .nav-right span {
  color: rgba(255,255,255,0.6);
  transition: var(--transition-fast);
}
.top-bar .nav-right a:hover {
  color: var(--clr-on-dark);
  text-decoration: none;
  opacity: 1;
}
.top-bar .user-name {
  color: var(--clr-on-dark);
  font-weight: 500;
  opacity: 0.9;
}

/* ── Layout ── */
.layout { display: flex; padding-top: var(--nav-h); min-height: 100vh; }

/* Sidebar — Apple-style side panel */
.sidebar {
  width: 200px;
  flex-shrink: 0;
  background: var(--clr-canvas);
  border-right: 1px solid var(--clr-hairline);
  padding: 16px 0;
  position: fixed;
  top: var(--nav-h); left: 0; bottom: 0;
  overflow-y: auto;
}

.menu-group { margin-bottom: 12px; }
.menu-group-title {
  font-family: var(--ff-text);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.29;
  letter-spacing: -0.224px;
  color: var(--clr-ink-muted-48);
  padding: 8px 16px 4px;
  text-transform: uppercase;
}

.sidebar-menu { list-style: none; }
.sidebar-menu li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--clr-ink);
  transition: var(--transition-fast);
  border-radius: 0;
}
.sidebar-menu li a:hover {
  background: var(--clr-canvas-parchment);
  color: var(--clr-primary);
  text-decoration: none;
}
.sidebar-menu li a.active {
  background: var(--clr-primary);
  color: var(--clr-on-primary);
}
.sidebar-menu li a .badge {
  margin-left: auto;
  background: var(--clr-danger);
  color: var(--clr-on-primary);
  font-size: 10px;
  padding: 1px 6px;
  border-radius: var(--rd-pill);
}
.sidebar-menu i { width: 16px; text-align: center; font-size: 14px; }

.main-content {
  flex: 1;
  margin-left: 200px;
  padding: 28px 32px;
  max-width: calc(100% - 200px);
}

/* ── Page Header ── */
.page-header {
  margin-bottom: 24px;
}
.page-title {
  font-family: var(--ff-display);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: 0.196px;
  color: var(--clr-ink);
  margin-bottom: 4px;
}
.page-subtitle {
  font-family: var(--ff-text);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.43;
  letter-spacing: -0.224px;
  color: var(--clr-ink-muted-48);
}

/* ── Buttons (Apple-style pill + utility) ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 18px;
  border: 1px solid transparent;
  border-radius: var(--rd-pill);
  font-family: var(--ff-text);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.29;
  letter-spacing: -0.224px;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: scale(0.95); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.btn-primary {
  background: var(--clr-primary);
  color: var(--clr-on-primary);
  border-color: var(--clr-primary);
}
.btn-primary:hover {
  background: var(--clr-primary-focus);
  color: var(--clr-on-primary);
  text-decoration: none;
}

.btn-secondary {
  background: transparent;
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}
.btn-secondary:hover {
  background: rgba(0,102,204,0.05);
  color: var(--clr-primary);
  text-decoration: none;
}

/* backward compat: btn-outline = btn-secondary */
.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}
.btn-outline:hover {
  background: rgba(0,102,204,0.05);
  color: var(--clr-primary);
  text-decoration: none;
}
.btn-outline-danger {
  background: transparent;
  color: var(--clr-danger);
  border-color: var(--clr-danger);
}
.btn-outline-danger:hover {
  background: rgba(255,59,48,0.05);
  color: var(--clr-danger);
  text-decoration: none;
}

.btn-danger {
  background: var(--clr-danger);
  color: var(--clr-on-primary);
  border-color: var(--clr-danger);
}
.btn-danger:hover {
  opacity: 0.85;
  color: var(--clr-on-primary);
  text-decoration: none;
}

.btn-success {
  background: var(--clr-success);
  color: var(--clr-on-primary);
  border-color: var(--clr-success);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-ink);
  border-color: transparent;
}
.btn-ghost:hover {
  background: var(--clr-canvas-parchment);
  color: var(--clr-primary);
  text-decoration: none;
}

.btn-dark-utility {
  background: var(--clr-ink);
  color: var(--clr-on-dark);
  border: none;
  border-radius: var(--rd-sm);
  padding: 6px 12px;
  font-size: 13px;
  letter-spacing: -0.12px;
}
.btn-dark-utility:hover {
  background: #2d2d2f;
  color: var(--clr-on-dark);
  text-decoration: none;
}

.btn-sm { padding: 4px 12px; font-size: 12px; border-radius: var(--rd-pill); }
.btn-lg { padding: 10px 24px; font-size: 16px; border-radius: var(--rd-pill); }
.btn-block { width: 100%; text-align: center; }

/* ── Cards (Apple utility card style) ── */
.card {
  background: var(--clr-canvas);
  border: 1px solid var(--clr-hairline);
  border-radius: var(--rd-lg);
  padding: 24px;
  box-shadow: none;
}
.card + .card { margin-top: 16px; }
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--clr-divider-soft);
}
.card-title {
  font-family: var(--ff-text);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: -0.374px;
  color: var(--clr-ink);
}

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-family: var(--ff-text);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.29;
  letter-spacing: -0.224px;
  color: var(--clr-ink-muted-48);
  margin-bottom: 4px;
}

.form-control {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--clr-hairline);
  border-radius: var(--rd-sm);
  font-family: var(--ff-text);
  font-size: 14px;
  font-weight: 400;
  background: var(--clr-canvas);
  color: var(--clr-ink);
  transition: var(--transition-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(0,102,204,0.12);
}
.form-control::placeholder { color: var(--clr-ink-muted-48); opacity: 0.6; }

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath fill='%237a7a7a' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 30px;
}

.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

/* ── Search Input (Apple pill style) ── */
.search-input-wrap {
  max-width: 320px;
}
.search-input {
  width: 100%;
  height: 44px;
  padding: 0 20px;
  border: 1px solid var(--clr-hairline);
  border-radius: var(--rd-pill);
  font-family: var(--ff-text);
  font-size: 14px;
  font-weight: 400;
  background: var(--clr-canvas);
  color: var(--clr-ink);
  transition: var(--transition-fast);
}
.search-input:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(0,102,204,0.12);
}
.search-input::placeholder { color: var(--clr-ink-muted-48); opacity: 0.6; }

/* ── Tables ── */
.table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}
table th {
  font-family: var(--ff-text);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.29;
  letter-spacing: -0.224px;
  color: var(--clr-ink-muted-48);
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--clr-hairline);
  white-space: nowrap;
}
table td {
  font-family: var(--ff-text);
  font-size: 13px;
  font-weight: 400;
  color: var(--clr-ink);
  padding: 10px 14px;
  border-bottom: 1px solid var(--clr-divider-soft);
}
table tr:last-child td { border-bottom: none; }
table tr:hover td { background: var(--clr-canvas-parchment); }

/* ── Stats Grid (Dashboard stat cards) ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--clr-canvas);
  border: 1px solid var(--clr-hairline);
  border-radius: var(--rd-lg);
  padding: 20px;
  box-shadow: none;
}
.stat-card .stat-value {
  font-family: var(--ff-display);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: 0.196px;
  color: var(--clr-ink);
  margin-bottom: 2px;
}
.stat-card .stat-label {
  font-family: var(--ff-text);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.43;
  letter-spacing: -0.224px;
  color: var(--clr-ink-muted-48);
}

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--rd-pill);
  font-family: var(--ff-text);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.08px;
}
.badge-success { background: #e8f8e8; color: var(--clr-success); }
.badge-warning { background: #fff4e5; color: var(--clr-warning); }
.badge-danger { background: #ffe8e8; color: var(--clr-danger); }
.badge-info { background: #e8f4ff; color: var(--clr-primary); }
.badge-default { background: var(--clr-canvas-parchment); color: var(--clr-ink-muted-48); }

/* ── Alerts ── */
.alert {
  padding: 12px 16px;
  border-radius: var(--rd-md);
  font-family: var(--ff-text);
  font-size: 13px;
  line-height: 1.4;
  margin-bottom: 16px;
}
.alert-success { background: #e8f8e8; color: #1a8a1a; }
.alert-danger { background: #ffe8e8; color: #c41e1e; }
.alert-warning { background: #fff4e5; color: #b26200; }
.alert-info { background: #e8f4ff; color: #0066cc; }

/* ── Pagination ── */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 24px;
}
.pagination a,
.pagination .page-current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  border-radius: var(--rd-sm);
  font-family: var(--ff-text);
  font-size: 13px;
  font-weight: 500;
}
.pagination .page-current {
  background: var(--clr-primary);
  color: var(--clr-on-primary);
}
.pagination .disabled { opacity: 0.4; pointer-events: none; }

/* ── Modal ── */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-content {
  background: var(--clr-canvas);
  border-radius: var(--rd-lg);
  padding: 24px;
  max-width: 460px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: none;
}
.modal-content h3 {
  font-family: var(--ff-text);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: -0.374px;
  color: var(--clr-ink);
  margin-bottom: 16px;
}

/* ── Public Pages (Apple product tile style) ── */

/* Public layout — centered, full-bleed sections */
.public-page {
  min-height: 100vh;
  background: var(--clr-canvas-parchment);
}

/* Light Tile (white section) */
.public-tile-light {
  background: var(--clr-canvas);
  color: var(--clr-ink);
  padding: var(--sp-section) 20px;
  text-align: center;
}

/* Dark Tile (near-black section) */
.public-tile-dark {
  background: var(--clr-surface-tile-1);
  color: var(--clr-on-dark);
  padding: var(--sp-section) 20px;
  text-align: center;
}

/* Parchment Tile */
.public-tile-parchment {
  background: var(--clr-canvas-parchment);
  color: var(--clr-ink);
  padding: var(--sp-section) 20px;
  text-align: center;
}

/* Public top nav (thin black bar) */
.public-nav {
  background: var(--clr-surface-black);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
}
.public-nav a {
  font-family: var(--ff-text);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.0;
  letter-spacing: -0.12px;
  color: rgba(255,255,255,0.6);
  transition: var(--transition-fast);
}
.public-nav a:hover {
  color: var(--clr-on-dark);
  text-decoration: none;
}

/* Hero headline on public pages */
.public-hero-title {
  font-family: var(--ff-display);
  font-size: 40px;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: 0;
  margin-bottom: 8px;
}
.public-hero-sub {
  font-family: var(--ff-display);
  font-size: 28px;
  font-weight: 400;
  line-height: 1.14;
  letter-spacing: 0.196px;
  margin-bottom: 24px;
  opacity: 0.85;
}

/* Apple pill CTA on public pages */
.public-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border: none;
  border-radius: var(--rd-pill);
  font-family: var(--ff-text);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.24;
  letter-spacing: -0.374px;
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: none;
}
.public-btn:active { transform: scale(0.95); }

.public-btn-primary {
  background: var(--clr-primary);
  color: var(--clr-on-primary);
}
.public-btn-primary:hover {
  background: var(--clr-primary-focus);
  color: var(--clr-on-primary);
  text-decoration: none;
}

.public-btn-secondary {
  background: transparent;
  color: var(--clr-primary);
  border: 1px solid var(--clr-primary);
}
.public-btn-secondary:hover {
  background: rgba(0,102,204,0.05);
  color: var(--clr-primary);
  text-decoration: none;
}

.public-btn-dark {
  background: var(--clr-primary);
  color: var(--clr-on-primary);
}
.public-btn-dark:hover {
  background: var(--clr-primary-focus);
  color: var(--clr-on-primary);
  text-decoration: none;
}

/* Public links on dark */
.public-link-on-dark {
  color: var(--clr-primary-on-dark);
}
.public-link-on-dark:hover {
  color: #5caeff;
}

/* Card key display */
.key-display {
  background: var(--clr-canvas-parchment);
  border-radius: var(--rd-sm);
  padding: 16px;
  font-family: Menlo, monospace;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  word-break: break-all;
  color: var(--clr-ink);
}

/* Product grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.product-card {
  background: var(--clr-canvas);
  border: 1px solid var(--clr-hairline);
  border-radius: var(--rd-lg);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s;
}
.product-card:hover {
  border-color: var(--clr-primary);
  transform: translateY(-2px);
}
.product-card .img-wrap {
  width: 100%;
  height: 180px;
  overflow: hidden;
  background: var(--clr-canvas-parchment);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-card .info {
  padding: 14px;
}
.product-card .name {
  font-family: var(--ff-text);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--clr-ink);
}
.product-card .po {
  font-family: var(--ff-text);
  font-size: 12px;
  font-weight: 400;
  color: var(--clr-ink-muted-48);
  margin-top: 2px;
}

/* ── Footer (Apple-style parchment footer) ── */
.site-footer {
  background: var(--clr-canvas-parchment);
  color: var(--clr-ink-muted-48);
  font-family: var(--ff-text);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.43;
  letter-spacing: -0.224px;
  text-align: center;
  padding: 40px 20px;
}

/* ── Utilities ── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--clr-ink-muted-48); }
.text-primary { color: var(--clr-primary); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; gap: 6px; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.w-full { width: 100%; }

/* ── Hamburger ── */
.hamburger {
  display: none;
  width: 34px; height: 34px;
  border: none; background: transparent;
  cursor: pointer; padding: 6px;
  flex-direction: column; justify-content: space-around;
  align-items: center;
}
.hamburger span {
  display: block;
  width: 20px; height: 2px;
  background: rgba(255,255,255,0.8);
  border-radius: 2px;
  transition: all 0.25s ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.3);
  z-index: 90;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.sidebar-overlay.active {
  display: block;
  opacity: 1;
}

/* ── Responsive (Apple breakpoints) ── */
@media (max-width: 1068px) {
  .main-content { padding: 24px; }
  .stats-grid { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
}

@media (max-width: 833px) {
  .hamburger { display: flex; }
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(.22,.61,.36,1);
    z-index: 95;
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(0,0,0,0.1);
  }
  .main-content { margin-left: 0; max-width: 100%; }
  .top-bar { padding: 0 12px; }
  .form-row { flex-direction: column; gap: 0; }
  .products-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}

@media (max-width: 640px) {
  html { font-size: 15px; }
  .main-content { padding: 16px; }
  .page-title {
    font-size: 24px;
    letter-spacing: -0.28px;
  }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .card { padding: 16px; }
  .table-container { margin: 0 -16px; }
  .products-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .public-hero-title {
    font-size: 28px;
  }
  .public-hero-sub {
    font-size: 20px;
  }
  .btn { font-size: 13px; padding: 6px 14px; }
  .modal-content { width: 95%; padding: 16px; }
}

@media (max-width: 419px) {
  .stats-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .public-hero-title {
    font-size: 24px;
  }
  .public-hero-sub {
    font-size: 18px;
  }
  .top-bar .nav-right { gap: 8px; }
}

@media print {
  .top-bar, .sidebar { display: none; }
  .main-content { margin-left: 0; }
}