/* ============================================
   Layout Styles - Container, Grid, Structure
   ============================================ */

/* Main app container */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: var(--content-padding);
}

.container--sm {
  max-width: var(--container-sm);
}

.container--md {
  max-width: var(--container-md);
}

.container--lg {
  max-width: var(--container-lg);
}

.container--full {
  max-width: none;
}

/* Main content area */
main {
  flex: 1;
  padding-top: var(--header-height);
}

/* Section spacing */
.section {
  padding-block: var(--space-16);
}

.section--sm {
  padding-block: var(--space-8);
}

.section--lg {
  padding-block: var(--space-24);
}

/* Page content wrapper */
.page {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.page--exiting {
  opacity: 0;
  transform: translateY(-10px);
}

.page--entering {
  opacity: 0;
  transform: translateY(10px);
}

/* Flexbox utilities */
.flex {
  display: flex;
}

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

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

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

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

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

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

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

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

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

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }

/* Grid utilities */
.grid {
  display: grid;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* Responsive grid - Mobile first approach */
/* Default: single column on mobile */

@media (min-width: 640px) {
  .sm\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sm\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .md\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .md\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .lg\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .lg\:grid-cols-5 {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

/* Spacing utilities */
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.mx-auto { margin-inline: auto; }

.p-0 { padding: 0; }
.p-2 { padding: var(--space-2); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.px-4 { padding-inline: var(--space-4); }
.px-6 { padding-inline: var(--space-6); }
.py-4 { padding-block: var(--space-4); }
.py-6 { padding-block: var(--space-6); }
.py-8 { padding-block: var(--space-8); }

/* Text alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Width utilities */
.w-full { width: 100%; }
.max-w-none { max-width: none; }
.max-w-sm { max-width: var(--container-sm); }
.max-w-md { max-width: var(--container-md); }
.max-w-lg { max-width: var(--container-lg); }

/* Visibility utilities */
.hidden {
  display: none !important;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

/* Responsive visibility */
@media (max-width: 639px) {
  .sm\:hidden {
    display: none !important;
  }
}

@media (min-width: 640px) {
  .sm\:block {
    display: block;
  }

  .sm\:hidden-above {
    display: none !important;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .md\:hidden-above {
    display: none !important;
  }
}

@media (max-width: 767px) {
  .md\:hidden {
    display: none !important;
  }
}

@media (min-width: 768px) {
  .md\:block {
    display: block;
  }

  .md\:flex {
    display: flex;
  }
}

@media (max-width: 1023px) {
  .lg\:hidden {
    display: none !important;
  }
}

@media (min-width: 1024px) {
  .lg\:block {
    display: block;
  }

  .lg\:flex {
    display: flex;
  }
}

/* Divider */
.divider {
  height: 1px;
  background: var(--border-primary);
  margin-block: var(--space-6);
}

.divider--vertical {
  width: 1px;
  height: auto;
  margin-inline: var(--space-4);
}

/* Decorative line */
.line-accent {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--magenta-primary), var(--magenta-light));
  border-radius: var(--radius-full);
}

/* Section header */
.section-header {
  margin-bottom: var(--space-12);
}

.section-header--center {
  text-align: center;
}

.section-header--center .line-accent {
  margin-inline: auto;
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--text-lg);
  max-width: 600px;
}

.section-header--center p {
  margin-inline: auto;
}