.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
}

.container-sm {
  max-width: 800px;
}

.container-lg {
  max-width: 1400px;
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

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

.justify-between {
  justify-content: space-between;
}

.justify-end {
  justify-content: flex-end;
}

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

.app-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  height: 100vh;
  overflow-y: auto;
  border-right: 1px solid var(--color-border);
  background-color: var(--color-bg);
  padding: var(--spacing-lg);
}

.preview-panel {
  flex: 1;
  height: 100vh;
  overflow-y: auto;
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-xl);
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

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

.section {
  margin-bottom: var(--spacing-2xl);
}

.section-sm {
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 1024px) {
  .app-layout {
    flex-direction: column;
    height: auto;
  }

  .sidebar {
    width: 100%;
    min-width: unset;
    height: auto;
    max-height: 50vh;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .preview-panel {
    height: auto;
    min-height: 100vh;
  }

  .two-column {
    grid-template-columns: 1fr;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

  .sidebar {
    max-height: 40vh;
    padding: var(--spacing-md);
  }

  .preview-panel {
    padding: var(--spacing-md);
  }
}

@media (max-width: 640px) {
  :root {
    --sidebar-width: 100%;
    --header-height: 56px;
  }

  .app-layout {
    flex-direction: column;
    height: auto;
  }

  .sidebar {
    width: 100%;
    min-width: unset;
    max-height: 45vh;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm);
  }

  .sidebar > .flex.items-center.justify-between {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

  .sidebar > .flex.items-center.justify-between .landing-logo {
    font-size: var(--text-lg) !important;
  }

  .preview-panel {
    height: auto;
    min-height: 100vh;
    padding: var(--spacing-sm);
  }

  .template-switcher {
    flex-wrap: wrap;
  }

  .template-option {
    flex: 1;
    text-align: center;
    font-size: var(--text-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .resume-page {
    width: 100%;
    min-height: auto;
    transform: scale(0.9);
    transform-origin: top center;
  }

  .card {
    padding: var(--spacing-md);
  }

  .card-sm {
    padding: var(--spacing-sm);
  }

  h4 {
    font-size: var(--text-base);
  }

  .btn {
    font-size: var(--text-xs);
    padding: 0.375rem 0.75rem;
  }

  .btn-sm {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
  }

  .modal {
    width: 95%;
    padding: var(--spacing-md);
    margin: var(--spacing-sm);
  }

  .modal-footer {
    flex-direction: column;
  }

  .modal-footer .btn {
    width: 100%;
  }

  .two-column {
    grid-template-columns: 1fr;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .template-minimal .minimal-header {
    margin: -36px -40px 16px -40px;
    padding: 24px 20px 20px;
  }

  .template-minimal .minimal-name {
    font-size: 20pt;
  }

  .template-corporate {
    padding: 20px 16px;
  }

  .template-modern {
    grid-template-columns: 1fr;
  }

  .template-modern .modern-sidebar {
    padding: 20px;
  }

  .template-modern .modern-main {
    padding: 20px;
  }

  .hero h1 {
    font-size: 28px !important;
  }

  .hero-badge {
    font-size: var(--text-xs);
  }

  .cta-section {
    padding: var(--spacing-2xl) var(--spacing-md);
  }
}