/* Sidebar Navigation Styles */

:root {
  --sidebar-width: 250px;
  --sidebar-collapsed-width: 64px;
}

/* Layout wrapper */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* === Pico CSS nav reset for sidebar === */
nav.sidebar {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  height: 100vh;
  position: sticky;
  top: 0;
  overflow: hidden;
}

nav.sidebar ul {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  flex: 1;
  margin: 0;
  padding: 0.5rem 0;
  gap: 0;
  list-style: none;
  overflow-y: auto;
}

nav.sidebar li {
  display: block;
  margin: 0;
  padding: 0;
  width: 100%;
  line-height: normal;
}

nav.sidebar li::before {
  display: none;
}

nav.sidebar li a,
nav.sidebar li :where(a, [role="link"]) {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0.75rem 1rem;
  height: 48px;
  box-sizing: border-box;
  border-radius: 0;
  text-decoration: none;
  color: var(--pico-color);
  white-space: nowrap;
  border-left: 3px solid transparent;
  transition: background-color 0.15s ease;
  gap: 0.75rem;
}

/* === End Pico reset === */

/* Sidebar container */
.sidebar {
  width: var(--sidebar-width);
  background: var(--pico-background-color);
  flex-shrink: 0;
  transition: width 0.2s ease;
  border-right: 1px solid var(--pico-muted-border-color);
}

/* Collapsed state */
.collapsed .sidebar {
  width: var(--sidebar-collapsed-width);
}

.collapsed .nav-label,
.collapsed .sidebar-logo-text,
.collapsed .toggle-label {
  display: none;
}

.collapsed nav.sidebar li a,
.collapsed .sidebar-toggle,
.collapsed .sidebar-header {
  justify-content: center;
}

.collapsed .toggle-icon {
  transform: rotate(180deg);
}

.collapsed .sidebar-logo {
  font-size: 0.9rem;
}

/* Sidebar header */
.sidebar-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: var(--pico-spacing);
  height: 56px;
  box-sizing: border-box;
  flex-shrink: 0;
  border-bottom: 1px solid var(--pico-muted-border-color);
}

.sidebar-logo {
  font-weight: bold;
  font-size: 1.2rem;
  white-space: nowrap;
  color: var(--pico-color);
}

/* Hover, focus, and active states */
nav.sidebar li a:hover,
nav.sidebar li a:focus-visible {
  background-color: var(--pico-secondary-hover-background);
}

nav.sidebar li a[aria-current="page"] {
  border-left-color: var(--pico-primary);
  background-color: var(--pico-secondary-focus-background);
  font-weight: 600;
  color: var(--pico-primary);
}

/* Icon sizing (shared by nav and toggle icons) */
.nav-icon,
.toggle-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toggle-icon {
  transition: transform 0.2s ease;
}

/* Nav label */
.nav-label {
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Toggle button */
.sidebar-toggle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
  padding: 0.75rem 1rem;
  height: 48px;
  box-sizing: border-box;
  flex-shrink: 0;
  border: none;
  background: none;
  color: var(--pico-color);
  cursor: pointer;
  width: 100%;
  border-top: 1px solid var(--pico-muted-border-color);
  white-space: nowrap;
  text-align: left;
}

.sidebar-toggle:hover {
  background-color: var(--pico-secondary-hover-background);
}

/* Main content area */
.main-content {
  flex: 1;
  min-width: 0;
  padding: var(--pico-spacing);
  overflow-x: auto;
}