/* Feuille de style uniquement pour le rendu du chassis de la PWA (sidebar, layout principal) */
/* Contient la sidebar, le menu burger, le layout content, et les styles responsive */

/* === Layout principal === */
.app-shell {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* === Sidebar === */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  height: 100vh;
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-normal), min-width var(--transition-normal);
  z-index: var(--z-sidebar);
  overflow: hidden;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
  min-width: var(--sidebar-collapsed-width);
}

/* Logo / Header sidebar */
.sidebar-header {
  display: flex;
  align-items: center;
  padding: var(--space-md);
  height: 56px;
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-sm);
}

.sidebar-header .logo-text {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
}

.sidebar.collapsed .logo-text {
  display: none;
}

.sidebar-toggle {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
}

.sidebar-toggle:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-text);
}

/* Navigation sidebar */
.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-sm);
  gap: var(--space-xs);
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  user-select: none;
}

.nav-item:hover {
  background-color: var(--color-bg-hover);
  color: var(--color-text);
}

.nav-item.active {
  background-color: var(--color-primary-muted);
  color: var(--color-primary);
}

.nav-item .nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-item .nav-icon svg {
  width: 20px;
  height: 20px;
}

.nav-item .nav-label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar.collapsed .nav-label {
  display: none;
}

.sidebar.collapsed .nav-item {
  justify-content: center;
  padding: var(--space-sm);
}

/* === Zone de contenu === */
.content-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--color-bg);
}

.content-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  height: 56px;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

.content-header .page-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.content-body {
  flex: 1;
  padding: var(--space-lg);
  overflow-y: auto;
}

/* === Menu burger (mobile) === */
.burger-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
  z-index: calc(var(--z-sidebar) + 1);
}

/* Overlay mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-sidebar) - 1);
}

/* === Login / Setup === */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  width: 100vw;
  background-color: var(--color-bg);
}

.auth-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.auth-card h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-xs);
}

.auth-card .auth-subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-lg);
}

.auth-card .form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.auth-card .form-group label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

.auth-card .form-group input {
  width: 100%;
}

.auth-card .auth-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
  display: none;
}

.auth-card .auth-error.visible {
  display: block;
}

.auth-card .btn {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  margin-top: var(--space-sm);
}

/* === Responsive (mobile) === */
@media (max-width: 768px) {
  .burger-btn {
    display: flex;
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }

  .sidebar.mobile-open ~ .sidebar-overlay {
    display: block;
  }

  .sidebar.collapsed {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
  }

  .content-area {
    width: 100%;
  }
}