/* ======================
   LAYOUT.CSS — Radio Bleue
   ====================== */

/* Corps de page — fond aérien pop-rock */
body {
  background-color: var(--color-bg);
  background-image:
    radial-gradient(ellipse 80% 40% at 15% -5%, rgba(0,212,255,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 30% at 85% 95%, rgba(168,85,247,0.06) 0%, transparent 55%);
  background-attachment: fixed;
}

/* Container principal */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* Grilles */
.grid {
  display: grid;
  gap: var(--space-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); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }

/* Flex utilitaires */
.flex       { display: flex; }
.flex-col   { flex-direction: column; }
.flex-wrap  { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm  { gap: var(--space-sm); }
.gap-md  { gap: var(--space-md); }
.gap-lg  { gap: var(--space-lg); }

/* Sections */
.section {
  padding: var(--space-3xl) 0;
}

.section-sm {
  padding: var(--space-2xl) 0;
}

.section-lg {
  padding: calc(var(--space-3xl) * 1.3) 0;
}

/* Fond alternatif */
.section-light  { background: var(--color-bg); }
.section-white  { background: var(--color-surface); }
.section-dark   { background: var(--color-dark-bg); }
.section-primary { background: var(--color-primary); }

/* Corps de page */
.page-body {
  padding-top: var(--header-height);
  padding-bottom: var(--mini-player-h);
  min-height: 100vh;
}

/* Layout 2 colonnes inégales */
.layout-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.layout-2col-wide {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

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

/* Marges utilitaires */
.mt-sm  { margin-top: var(--space-sm); }
.mt-md  { margin-top: var(--space-md); }
.mt-lg  { margin-top: var(--space-lg); }
.mt-xl  { margin-top: var(--space-xl); }
.mb-sm  { margin-bottom: var(--space-sm); }
.mb-md  { margin-bottom: var(--space-md); }
.mb-lg  { margin-bottom: var(--space-lg); }
.mb-xl  { margin-bottom: var(--space-xl); }

/* Visibilité */
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Responsive grid */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }

  .layout-2col,
  .layout-2col-wide { grid-template-columns: 1fr; }

  .section { padding: var(--space-2xl) 0; }
  .section-lg { padding: var(--space-2xl) 0; }
}