/* ============================================
   RESPONSIVE GRID SYSTEM (Bootstrap-like)
   ============================================ */

/* REMOVED: .container definition - now in layout.css */
/* Grid-specific container for 12-column layouts */
.container-fluid {
  width: 100%;
  padding-right: 24px;
  padding-left: 24px;
  margin-right: auto;
  margin-left: auto;
}

/* Row for grid layout */
.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -12px;
  margin-left: -12px;
}

/* Column base */
[class*="col-"] {
  position: relative;
  width: 100%;
  padding-right: 12px;
  padding-left: 12px;
}

/* Mobile-first: 1 column by default */
.col-1 { flex: 0 0 100%; max-width: 100%; }
.col-2 { flex: 0 0 100%; max-width: 100%; }
.col-3 { flex: 0 0 100%; max-width: 100%; }
.col-4 { flex: 0 0 100%; max-width: 100%; }
.col-6 { flex: 0 0 100%; max-width: 100%; }
.col-8 { flex: 0 0 100%; max-width: 100%; }
.col-9 { flex: 0 0 100%; max-width: 100%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* Small devices (tablets, 576px and up) */
@media (min-width: 576px) {
  .container-fluid {
    padding-right: 32px;
    padding-left: 32px;
  }

  .col-sm-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
  .col-sm-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
  .col-sm-3 { flex: 0 0 25%; max-width: 25%; }
  .col-sm-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
  .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
  .col-sm-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
  .col-sm-9 { flex: 0 0 75%; max-width: 75%; }
  .col-sm-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Medium devices (tablets landscape, 768px and up) */
@media (min-width: 768px) {
  .col-md-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
  .col-md-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
  .col-md-3 { flex: 0 0 25%; max-width: 25%; }
  .col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
  .col-md-6 { flex: 0 0 50%; max-width: 50%; }
  .col-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
  .col-md-9 { flex: 0 0 75%; max-width: 75%; }
  .col-md-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
  .col-lg-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
  .col-lg-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
  .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
  .col-lg-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
  .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
  .col-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
  .col-lg-9 { flex: 0 0 75%; max-width: 75%; }
  .col-lg-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  .col-xl-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
  .col-xl-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
  .col-xl-3 { flex: 0 0 25%; max-width: 25%; }
  .col-xl-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
  .col-xl-6 { flex: 0 0 50%; max-width: 50%; }
  .col-xl-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
  .col-xl-9 { flex: 0 0 75%; max-width: 75%; }
  .col-xl-12 { flex: 0 0 100%; max-width: 100%; }
}

/* XXL devices (ultra-wide displays, 1920px and up) */
@media (min-width: 1920px) {
  .col-xxl-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
  .col-xxl-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
  .col-xxl-3 { flex: 0 0 25%; max-width: 25%; }
  .col-xxl-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
  .col-xxl-6 { flex: 0 0 50%; max-width: 50%; }
  .col-xxl-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
  .col-xxl-9 { flex: 0 0 75%; max-width: 75%; }
  .col-xxl-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Grid utilities */
.g-0 { margin-right: 0; margin-left: 0; }
.g-0 > [class*="col-"] { padding-right: 0; padding-left: 0; }

.g-1 { margin-right: -6px; margin-left: -6px; }
.g-1 > [class*="col-"] { padding-right: 6px; padding-left: 6px; }

.g-2 { margin-right: -8px; margin-left: -8px; }
.g-2 > [class*="col-"] { padding-right: 8px; padding-left: 8px; }

.g-3 { margin-right: -12px; margin-left: -12px; }
.g-3 > [class*="col-"] { padding-right: 12px; padding-left: 12px; }

.g-4 { margin-right: -16px; margin-left: -16px; }
.g-4 > [class*="col-"] { padding-right: 16px; padding-left: 16px; }

.g-5 { margin-right: -20px; margin-left: -20px; }
.g-5 > [class*="col-"] { padding-right: 20px; padding-left: 20px; }

/* Responsive spacing utilities */
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.mb-5 { margin-bottom: 32px; }

.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mt-5 { margin-top: 32px; }

.p-3 { padding: 16px; }
.p-4 { padding: 24px; }
.p-5 { padding: 32px; }