/* ============================================
   TOOLSSIFY  -  Layout System
   Container, grid, flexbox, responsive utilities.
   ============================================ */

/* ---------- Container ---------- */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.container-sm { max-width: var(--container-sm); }
.container-md { max-width: var(--container-md); }
.container-lg { max-width: var(--container-lg); }
.container-xl { max-width: var(--container-xl); }
.container-2xl { max-width: var(--container-2xl); }

/* ---------- Section Spacing ---------- */

.section {
  padding-top: var(--space-20);
  padding-bottom: var(--space-20);
}

.section-sm {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

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

/* Section header (centered title + subtitle) */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-12);
}

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

.section-header p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary-600);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}


/* ---------- Grid System ---------- */

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

/* Auto-fit responsive grids */
.grid-auto-fill-sm {
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

.grid-auto-fill-md {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.grid-auto-fill-lg {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}


/* ---------- Flexbox Utilities ---------- */

.flex         { display: flex; }
.inline-flex  { display: inline-flex; }
.flex-col     { flex-direction: column; }
.flex-row     { flex-direction: row; }
.flex-wrap    { flex-wrap: wrap; }
.flex-1       { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* Alignment */
.items-start    { align-items: flex-start; }
.items-center   { align-items: center; }
.items-end      { align-items: flex-end; }
.items-stretch  { align-items: stretch; }

.justify-start   { justify-content: flex-start; }
.justify-center  { justify-content: center; }
.justify-end     { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around  { justify-content: space-around; }

.self-start   { align-self: flex-start; }
.self-center  { align-self: center; }
.self-end     { align-self: flex-end; }

/* Gap utilities */
.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-5  { gap: var(--space-5); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }


/* ---------- Spacing Utilities ---------- */

.m-0  { margin: 0; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

.mt-1  { margin-top: var(--space-1); }
.mt-2  { margin-top: var(--space-2); }
.mt-3  { margin-top: var(--space-3); }
.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); }

.mb-1  { margin-bottom: var(--space-1); }
.mb-2  { margin-bottom: var(--space-2); }
.mb-3  { margin-bottom: var(--space-3); }
.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); }

.p-0  { padding: 0; }
.p-2  { padding: var(--space-2); }
.p-3  { padding: var(--space-3); }
.p-4  { padding: var(--space-4); }
.p-6  { padding: var(--space-6); }
.p-8  { padding: var(--space-8); }


/* ---------- Display ---------- */

.hidden   { display: none; }
.block    { display: block; }
.inline   { display: inline; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed    { position: fixed; }
.sticky   { position: sticky; }

.w-full   { width: 100%; }
.h-full   { height: 100%; }


/* ---------- Main Layout (Header + Content + Footer) ---------- */

.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-main {
  flex: 1;
  margin-top: var(--header-height);
}

/* Two-column layout (main + sidebar) */
.layout-with-sidebar {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-8);
  align-items: start;
}

/* ---------- Dividers ---------- */

.divider {
  border: none;
  border-top: 1px solid var(--border-primary);
  margin: var(--space-8) 0;
}

.divider-sm {
  margin: var(--space-4) 0;
}


/* ---------- Responsive Breakpoints ---------- */

/* Tablet: <= 1024px */
@media (max-width: 1024px) {
  .container {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }

  .section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }

  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }

  .layout-with-sidebar {
    grid-template-columns: 1fr;
  }

  /* Hide on tablet */
  .hide-tablet { display: none !important; }
}

/* Mobile landscape: <= 768px */
@media (max-width: 768px) {
  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  .section-header {
    margin-bottom: var(--space-8);
  }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(2, 1fr); }

  /* Hide on mobile */
  .hide-mobile { display: none !important; }
  /* Show on mobile */
  .show-mobile { display: block !important; }
}

/* Small mobile: <= 480px */
@media (max-width: 480px) {
  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .grid-5 { grid-template-columns: 1fr; }
  .grid-6 { grid-template-columns: repeat(2, 1fr); }
}

/* Ultra-wide: >= 1536px */
@media (min-width: 1536px) {
  .container {
    max-width: var(--container-2xl);
  }
}