/* BOLO - Layout Proportions */

:root {
  /* Content width variables */
  --container-max-width: 1280px;   /* Maximum content width */
  --container-narrow: 1080px;      /* Narrow content width (article pages, etc) */
  --container-wide: 1440px;        /* Wider content width (homepage hero, etc) */
  
  /* Layout spacing */
  --section-spacing-xl: 6rem;      /* Extra large section spacing (between major sections) */
  --section-spacing-lg: 4rem;      /* Large section spacing (standard section margins) */
  --section-spacing-md: 3rem;      /* Medium section spacing (between components) */
  --section-spacing-sm: 2rem;      /* Small section spacing (between related elements) */
  --section-spacing-xs: 1rem;      /* Extra small spacing (between small elements) */
  
  /* Element dimensions */
  --sidebar-width: 320px;          /* Standard sidebar width */
  --header-height: 80px;           /* Header height */
  --footer-spacing: 5rem;          /* Footer top padding */
  
  /* Article proportions */
  --article-featured-height: 480px; /* Featured article image height */
  --article-card-height: 220px;     /* Standard article card image height */
  --article-small-height: 120px;    /* Small article card image height */
  
  /* Category/Topic proportions */
  --category-card-height: 180px;    /* Category card height */
  --category-icon-size: 64px;       /* Category icon size */
  
  /* Grid gaps */
  --grid-gap-xl: 3rem;             /* Extra large grid gap */
  --grid-gap-lg: 2rem;             /* Large grid gap */
  --grid-gap-md: 1.5rem;           /* Medium grid gap (standard) */
  --grid-gap-sm: 1rem;             /* Small grid gap */
  --grid-gap-xs: 0.5rem;           /* Extra small grid gap */
  
  /* Border radius */
  --radius-lg: 16px;               /* Large border radius */
  --radius-md: 8px;                /* Medium border radius (standard) */
  --radius-sm: 4px;                /* Small border radius */
  --radius-round: 50%;             /* Round radius (circles) */
  
  /* Box shadows */
  --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
  
  /* Z-index layers */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
  
  /* Media breakpoints (for reference) */
  --breakpoint-xs: 0;
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
  --breakpoint-xxl: 1400px;
}

/* Container classes - enforce consistent max-width */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.container-fluid {
  width: 100%;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* Section spacing classes */
.section-xl {
  padding-top: var(--section-spacing-xl);
  padding-bottom: var(--section-spacing-xl);
}

.section-lg {
  padding-top: var(--section-spacing-lg);
  padding-bottom: var(--section-spacing-lg);
}

.section-md {
  padding-top: var(--section-spacing-md);
  padding-bottom: var(--section-spacing-md);
}

.section-sm {
  padding-top: var(--section-spacing-sm);
  padding-bottom: var(--section-spacing-sm);
}

/* Section padding variations */
.pt-xl { padding-top: var(--section-spacing-xl); }
.pt-lg { padding-top: var(--section-spacing-lg); }
.pt-md { padding-top: var(--section-spacing-md); }
.pt-sm { padding-top: var(--section-spacing-sm); }
.pt-xs { padding-top: var(--section-spacing-xs); }

.pb-xl { padding-bottom: var(--section-spacing-xl); }
.pb-lg { padding-bottom: var(--section-spacing-lg); }
.pb-md { padding-bottom: var(--section-spacing-md); }
.pb-sm { padding-bottom: var(--section-spacing-sm); }
.pb-xs { padding-bottom: var(--section-spacing-xs); }

/* Spacing utility classes */
.mb-xl { margin-bottom: var(--section-spacing-xl); }
.mb-lg { margin-bottom: var(--section-spacing-lg); }
.mb-md { margin-bottom: var(--section-spacing-md); }
.mb-sm { margin-bottom: var(--section-spacing-sm); }
.mb-xs { margin-bottom: var(--section-spacing-xs); }

.mt-xl { margin-top: var(--section-spacing-xl); }
.mt-lg { margin-top: var(--section-spacing-lg); }
.mt-md { margin-top: var(--section-spacing-md); }
.mt-sm { margin-top: var(--section-spacing-sm); }
.mt-xs { margin-top: var(--section-spacing-xs); }

.mx-xl { margin-left: var(--section-spacing-xl); margin-right: var(--section-spacing-xl); }
.mx-lg { margin-left: var(--section-spacing-lg); margin-right: var(--section-spacing-lg); }
.mx-md { margin-left: var(--section-spacing-md); margin-right: var(--section-spacing-md); }
.mx-sm { margin-left: var(--section-spacing-sm); margin-right: var(--section-spacing-sm); }
.mx-xs { margin-left: var(--section-spacing-xs); margin-right: var(--section-spacing-xs); }

.my-xl { margin-top: var(--section-spacing-xl); margin-bottom: var(--section-spacing-xl); }
.my-lg { margin-top: var(--section-spacing-lg); margin-bottom: var(--section-spacing-lg); }
.my-md { margin-top: var(--section-spacing-md); margin-bottom: var(--section-spacing-md); }
.my-sm { margin-top: var(--section-spacing-sm); margin-bottom: var(--section-spacing-sm); }
.my-xs { margin-top: var(--section-spacing-xs); margin-bottom: var(--section-spacing-xs); }

/* Grid layouts with consistent gaps */
.grid {
  display: grid;
}

.grid-gap-xl {
  gap: var(--grid-gap-xl);
}

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

.grid-gap-md {
  gap: var(--grid-gap-md);
}

.grid-gap-sm {
  gap: var(--grid-gap-sm);
}

.grid-gap-xs {
  gap: var(--grid-gap-xs);
}

/* Common grid layouts */
.grid-2-cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap-md);
}

.grid-3-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap-md);
}

.grid-4-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap-md);
}

.grid-sidebar {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: var(--grid-gap-lg);
}

.grid-sidebar-left {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: var(--grid-gap-lg);
}

/* Image aspect ratios */
.aspect-16-9 {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
}

.aspect-4-3 {
  position: relative;
  padding-bottom: 75%; /* 4:3 Aspect Ratio */
  height: 0;
  overflow: hidden;
}

.aspect-1-1 {
  position: relative;
  padding-bottom: 100%; /* 1:1 Aspect Ratio */
  height: 0;
  overflow: hidden;
}

.aspect-16-9 img,
.aspect-4-3 img,
.aspect-1-1 img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Standard border radius utility classes */
.radius-lg { border-radius: var(--radius-lg); }
.radius-md { border-radius: var(--radius-md); }
.radius-sm { border-radius: var(--radius-sm); }
.radius-round { border-radius: var(--radius-round); }

/* Shadow utility classes */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* Page specific layouts */
.article-layout {
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
}

.article-content {
  font-size: 1.1rem;
  line-height: 1.8;
}

/* Standard section layouts */
.page-header-section {
  padding: var(--section-spacing-lg) 0;
  margin-bottom: var(--section-spacing-md);
  background: var(--light-gray);
  position: relative;
}

.content-section {
  padding: var(--section-spacing-md) 0;
}

.sidebar-section {
  padding: var(--section-spacing-sm);
  background: var(--light-gray);
  border-radius: var(--radius-md);
  margin-bottom: var(--section-spacing-md);
}

/* Footer standardization */
.footer {
  padding-top: var(--footer-spacing);
  background: var(--secondary);
  color: white;
}

/* Media queries for responsive layouts */
@media (max-width: 1200px) {
  :root {
    --container-max-width: 960px;
    --container-narrow: 860px;
    --section-spacing-xl: 5rem;
    --section-spacing-lg: 3.5rem;
  }
}

@media (max-width: 992px) {
  :root {
    --container-max-width: 720px;
    --container-narrow: 720px;
    --article-featured-height: 400px;
    --section-spacing-xl: 4rem;
    --section-spacing-lg: 3rem;
    --sidebar-width: 280px;
  }
  
  .grid-4-cols {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-sidebar,
  .grid-sidebar-left {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --container-max-width: 540px;
    --container-narrow: 540px;
    --article-featured-height: 320px;
    --article-card-height: 180px;
    --section-spacing-xl: 3rem;
    --section-spacing-lg: 2.5rem;
    --section-spacing-md: 2rem;
  }
  
  .grid-3-cols {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-2-cols {
    gap: var(--grid-gap-sm);
  }
}

@media (max-width: 576px) {
  :root {
    --container-max-width: 100%;
    --container-narrow: 100%;
    --article-featured-height: 240px;
    --article-card-height: 160px;
    --section-spacing-xl: 2.5rem;
    --section-spacing-lg: 2rem;
    --section-spacing-md: 1.5rem;
    --section-spacing-sm: 1rem;
  }
  
  .grid-3-cols,
  .grid-2-cols {
    grid-template-columns: 1fr;
  }
  
  .container,
  .container-narrow,
  .container-wide,
  .container-fluid {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }
}