/* ============================================================
   CUILLÈRE D'OR — LAYOUT
   Structures de page : sidebar admin, topnav public, footer
   ============================================================ */

/* ============================================================
   STRUCTURE GÉNÉRIQUE — App admin
   .admin-app   = container racine (display:flex)
   .admin-side  = sidebar gauche fixe (260px)
   .admin-main  = contenu principal (flex:1)
   ============================================================ */

.admin-app {
  display: flex;
  min-height: 100vh;
  background: var(--color-surface-page);
}

.admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0; /* permet au contenu de scroller horizontalement si besoin */
  margin-left: var(--layout-sidebar-w);
}

.admin-content {
  padding: var(--primitive-space-8);
  max-width: var(--layout-content-max);
  width: 100%;
  margin: 0 auto;
}

/* ============================================================
   SIDEBAR ADMIN
   Fond Forest 900, items label clairs, item actif barre or à gauche
   ============================================================ */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--layout-sidebar-w);
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  z-index: var(--primitive-z-overlay);
}

.sidebar-brand {
  padding: var(--primitive-space-8) var(--primitive-space-6) var(--primitive-space-6);
  border-bottom: var(--primitive-border-1) solid var(--sidebar-border);
}

.sidebar-brand-name {
  font-family: var(--font-heading);
  font-size: var(--fs-heading-5);
  font-weight: var(--primitive-fw-400);
  color: var(--sidebar-text);
  letter-spacing: var(--primitive-ls-wide);
}

.sidebar-brand-sub {
  display: block;
  font-family: var(--font-ui);
  font-size: var(--fs-label-sm);
  color: var(--sidebar-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--primitive-ls-wider);
  margin-top: var(--primitive-space-1);
}

.sidebar-user {
  padding: var(--primitive-space-5) var(--primitive-space-6);
  border-bottom: var(--primitive-border-1) solid var(--sidebar-border);
  display: flex;
  align-items: center;
  gap: var(--primitive-space-3);
}

.sidebar-user-avatar {
  width: 36px;
  height: 36px;
  background: var(--primitive-forest-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: var(--fs-label-md);
  font-weight: var(--primitive-fw-600);
  color: var(--primitive-gold-500);
}

.sidebar-user-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.sidebar-user-label {
  font-family: var(--font-ui);
  font-size: var(--fs-label-sm);
  color: var(--sidebar-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--primitive-ls-wider);
}

.sidebar-user-name {
  font-family: var(--font-ui);
  font-size: var(--fs-body-sm);
  font-weight: var(--primitive-fw-600);
  color: var(--sidebar-text);
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: var(--primitive-space-4) 0;
  overflow-y: auto;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--primitive-space-3);
  padding: var(--primitive-space-3) var(--primitive-space-6);
  font-family: var(--font-ui);
  font-size: var(--fs-body-sm);
  color: var(--sidebar-text);
  border-left: 3px solid transparent;
  transition: background var(--primitive-duration-fast) var(--primitive-ease-default);
  cursor: pointer;
}

.sidebar-nav-item:hover {
  background: var(--sidebar-item-hover-bg);
  opacity: 1;
}

.sidebar-nav-item.is-active {
  background: var(--sidebar-item-active-bg);
  border-left-color: var(--sidebar-item-active-border);
  font-weight: var(--primitive-fw-600);
}

.sidebar-nav-item-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.85;
}

.sidebar-cta {
  padding: var(--primitive-space-4) var(--primitive-space-6);
}

.sidebar-cta .btn {
  width: 100%;
  justify-content: center;
}

.sidebar-footer {
  padding: var(--primitive-space-4) var(--primitive-space-6);
  border-top: var(--primitive-border-1) solid var(--sidebar-border);
  display: flex;
  align-items: center;
  gap: var(--primitive-space-2);
  font-family: var(--font-ui);
  font-size: var(--fs-body-sm);
  color: var(--sidebar-text-muted);
  cursor: pointer;
}

.sidebar-footer:hover {
  color: var(--sidebar-text);
  opacity: 1;
}

/* ============================================================
   TOPNAV PUBLIC
   Header haut pour pages publiques (Landing, Calculette, FAQ…)
   ============================================================ */

.topnav {
  height: var(--layout-topnav-h);
  background: var(--topnav-bg);
  border-bottom: var(--primitive-border-1) solid var(--topnav-border);
  display: flex;
  align-items: center;
  padding: 0 var(--primitive-space-8);
  position: sticky;
  top: 0;
  z-index: var(--primitive-z-overlay);
}

.topnav-inner {
  max-width: var(--layout-content-max);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--primitive-space-6);
}

.topnav-brand {
  font-family: var(--font-heading);
  font-size: var(--fs-heading-5);
  font-weight: var(--primitive-fw-400);
  color: var(--topnav-text);
  letter-spacing: var(--primitive-ls-wide);
  text-transform: uppercase;
}

.topnav-nav {
  display: flex;
  align-items: center;
  gap: var(--primitive-space-8);
}

.topnav-link {
  font-family: var(--font-ui);
  font-size: var(--fs-body-sm);
  text-transform: uppercase;
  letter-spacing: var(--primitive-ls-wider);
  color: var(--color-text-muted);
  padding: var(--primitive-space-2) 0;
  position: relative;
  transition: color var(--primitive-duration-fast) var(--primitive-ease-default);
}

.topnav-link:hover {
  color: var(--color-text-primary);
  opacity: 1;
}

.topnav-link.is-active {
  color: var(--color-text-primary);
}

.topnav-link.is-active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--color-text-primary);
}

.topnav-cta {
  display: flex;
  align-items: center;
  gap: var(--primitive-space-3);
}

/* ============================================================
   PUBLIC PAGE STRUCTURE
   ============================================================ */

.public-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.public-main {
  flex: 1;
  padding: var(--primitive-space-12) var(--primitive-space-8);
}

.public-content {
  max-width: var(--layout-content-max);
  width: 100%;
  margin: 0 auto;
}

.public-content--narrow {
  max-width: var(--layout-content-narrow);
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  border-top: var(--primitive-border-1) solid var(--color-border-subtle);
  padding: var(--primitive-space-8);
  background: transparent;
}

.footer-inner {
  max-width: var(--layout-content-max);
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--primitive-space-4);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--primitive-space-8);
  flex-wrap: wrap;
}

.footer-link {
  font-family: var(--font-ui);
  font-size: var(--fs-label-md);
  text-transform: uppercase;
  letter-spacing: var(--primitive-ls-wider);
  color: var(--color-text-muted);
}

.footer-link:hover {
  color: var(--color-text-primary);
  opacity: 1;
}

.footer-copyright {
  font-family: var(--font-ui);
  font-size: var(--fs-label-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--primitive-ls-wider);
}

/* ============================================================
   PAGE HEADER (titre + actions)
   ============================================================ */

.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--primitive-space-6);
  margin-bottom: var(--primitive-space-8);
  flex-wrap: wrap;
}

.page-header-content {
  flex: 1;
  min-width: 0;
}

.page-header-eyebrow {
  font-family: var(--font-ui);
  font-size: var(--fs-label-md);
  color: var(--color-text-gold);
  text-transform: uppercase;
  letter-spacing: var(--primitive-ls-wider);
  margin-bottom: var(--primitive-space-2);
}

.page-header-title {
  font-family: var(--font-heading);
  font-size: var(--fs-display-sm);
  font-weight: var(--primitive-fw-400);
  letter-spacing: var(--primitive-ls-tight);
  line-height: var(--primitive-lh-tight);
}

.page-header-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--primitive-space-2);
  font-family: var(--font-ui);
  font-size: var(--fs-label-md);
  text-transform: uppercase;
  letter-spacing: var(--primitive-ls-wider);
  color: var(--color-text-muted);
}

.page-header-meta-value {
  color: var(--color-text-primary);
  font-weight: var(--primitive-fw-600);
}

.page-header-actions {
  display: flex;
  gap: var(--primitive-space-3);
  flex-wrap: wrap;
}

/* ============================================================
   GRID UTILITIES
   ============================================================ */

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

.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)); }

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

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

/* Stacks (vertical) */
.stack {
  display: flex;
  flex-direction: column;
}

.stack--gap-2 { gap: var(--primitive-space-2); }
.stack--gap-3 { gap: var(--primitive-space-3); }
.stack--gap-4 { gap: var(--primitive-space-4); }
.stack--gap-6 { gap: var(--primitive-space-6); }
.stack--gap-8 { gap: var(--primitive-space-8); }

/* Cluster (horizontal flex with wrap) */
.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.cluster--gap-2 { gap: var(--primitive-space-2); }
.cluster--gap-3 { gap: var(--primitive-space-3); }
.cluster--gap-4 { gap: var(--primitive-space-4); }
.cluster--gap-6 { gap: var(--primitive-space-6); }

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

.section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--fs-heading-3);
  margin-bottom: var(--primitive-space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--primitive-space-4);
}

.section-title-side {
  font-family: var(--font-ui);
  font-size: var(--fs-label-md);
  font-weight: var(--primitive-fw-600);
  text-transform: uppercase;
  letter-spacing: var(--primitive-ls-wider);
  color: var(--color-text-gold);
}

.section-title-side--danger {
  color: var(--color-status-danger);
}