/* ==========================================================================
   LAYOUT — Shell applicatif : sidebar, topbar, zone de contenu
   ========================================================================== */

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100vh;
}

/* ---------------- Sidebar ---------------- */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--sidebar-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--border);
  z-index: 40;
  transition: transform var(--t) var(--ease);
}
.sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 18px 18px 14px;
  min-height: var(--topbar-h);
}
.brand-logo {
  width: 40px; height: 40px; flex: none;
  border-radius: 12px;
  background: var(--gradient-brand);
  display: grid; place-items: center;
  color: #fff;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.05rem;
  box-shadow: 0 6px 16px -6px color-mix(in srgb, var(--primary) 70%, transparent);
  overflow: hidden;
}
.brand-logo img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.brand-name { font-family: var(--font-title); font-weight: 600; font-size: 1.02rem; line-height: 1.15; }
.brand-tagline { font-size: var(--fs-xs); color: var(--muted); line-height: 1.3; margin-top: 2px; }

.sidebar__role {
  margin: 4px 14px 8px;
  padding: 10px 12px;
  border-radius: var(--radius);
  background: var(--primary-softer);
  border: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
  font-size: var(--fs-sm);
}
.sidebar__role .role-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--role-color, var(--primary)); box-shadow: 0 0 0 4px color-mix(in srgb, var(--role-color, var(--primary)) 18%, transparent); }

.sidebar__nav { flex: 1; overflow-y: auto; padding: 6px 10px 16px; }
.nav-section { margin-top: 14px; }
.nav-section__title {
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--subtle);
  padding: 0 12px 6px;
}
.nav-link {
  position: relative;
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px;
  margin: 1px 0;
  border-radius: 10px;
  color: var(--text-2);
  font-weight: 500;
  font-size: 0.88rem;
  text-decoration: none !important;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.nav-link svg { width: 18px; height: 18px; flex: none; opacity: 0.8; }
.nav-link:hover { background: var(--surface-hover); color: var(--text); }
.nav-link.is-active {
  background: var(--primary-soft);
  color: var(--primary-text);
  font-weight: 600;
}
.nav-link.is-active::before {
  content: ''; position: absolute; left: -10px; top: 8px; bottom: 8px; width: 3px;
  border-radius: 0 3px 3px 0; background: var(--primary);
}
.nav-link.is-active svg { opacity: 1; }
.nav-link .nav-count {
  margin-left: auto;
  font-size: 0.7rem; font-weight: 700;
  min-width: 20px; height: 20px; padding: 0 6px;
  border-radius: 10px;
  display: grid; place-items: center;
  background: var(--danger); color: #fff;
}
.nav-link .nav-count.is-soft { background: var(--neutral-soft); color: var(--muted); }

.sidebar__footer {
  border-top: 1px solid var(--border);
  padding: 12px 14px;
  font-size: var(--fs-xs);
  color: var(--muted);
  display: grid; gap: 6px;
}
.conn-line { display: flex; align-items: center; gap: 8px; }
.conn-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--subtle); flex: none; }
.conn-dot.is-on { background: var(--success); animation: pulse 2.4s infinite; color: var(--success); }
.conn-dot.is-demo { background: var(--warning); }
.conn-dot.is-off { background: var(--danger); }

/* ---------------- Main ---------------- */
.main { min-width: 0; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 30;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: var(--sp-3);
  padding: 0 var(--sp-6);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border);
}
.topbar .topbar__burger { display: none; }
.topbar__title { min-width: 0; }
.topbar__title h1 { font-size: 1.12rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar__crumb { font-size: var(--fs-xs); color: var(--muted); white-space: nowrap; }
.topbar__spacer { flex: 1; }
.topbar__actions { display: flex; align-items: center; gap: var(--sp-2); }

.role-switch {
  display: inline-flex;
  padding: 3px;
  border-radius: var(--radius-pill);
  background: var(--surface-3);
  border: 1px solid var(--border);
}
.role-switch button {
  border: 0; background: transparent;
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem; font-weight: 600;
  color: var(--muted);
  display: inline-flex; align-items: center; gap: 6px;
  transition: all var(--t-fast) var(--ease);
}
.role-switch button svg { width: 15px; height: 15px; }
.role-switch button:hover { color: var(--text); }
.role-switch button.is-active {
  background: var(--surface-solid);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}
.role-switch button.is-active[data-role="admin"] svg { color: #059669; }
.role-switch button.is-active[data-role="client"] svg { color: #2563eb; }
.role-switch button.is-active[data-role="artisan"] svg { color: #ea580c; }

.user-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 10px 4px 4px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: border-color var(--t-fast);
  max-width: 260px;
}
.user-chip:hover { border-color: var(--border-strong); }
.user-chip__meta { line-height: 1.15; min-width: 0; display: flex; flex-direction: column; text-align: left; }
.user-chip__name { font-size: 0.82rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-chip__role { font-size: 0.7rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.content {
  flex: 1;
  width: 100%;
  max-width: 1480px;
  margin: 0 auto;
  padding: var(--sp-6) var(--sp-6) 96px;
}
.view { animation: fadeUp 380ms var(--ease) both; }

.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--sp-4); flex-wrap: wrap;
  margin-bottom: var(--sp-6);
}
.page-head__title h2 { font-size: var(--fs-2xl); }
.page-head__title p { color: var(--muted); margin-top: 6px; max-width: 70ch; }
.page-head__actions { display: flex; gap: var(--sp-2); flex-wrap: wrap; }

/* ---------------- Grilles ---------------- */
.grid { display: grid; gap: var(--sp-5); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }
.grid-auto-sm { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-all { grid-column: 1 / -1; }
.split { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: var(--sp-5); align-items: start; }
.split-rev { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.65fr); gap: var(--sp-5); align-items: start; }
.stack { display: grid; gap: var(--sp-5); align-content: start; }
.stack-sm { display: grid; gap: var(--sp-3); align-content: start; }

/* ---------------- Overlay mobile ---------------- */
.sidebar-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: var(--overlay);
  z-index: 35;
  animation: fadeIn var(--t) both;
}