/**
 * Poupex Play 4.0 — Sidebar
 * Componente isolado. Não substitui .app-sidebar até Sprint de aplicação.
 */

.pp4-sidebar {
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  width: var(--pp4-sidebar-width);
  height: 100%;
  min-height: 100vh;
  padding: var(--pp4-space-4);
  background: var(--pp4-color-bg-elevated);
  border-right: 1px solid var(--pp4-color-border);
  color: var(--pp4-color-text);
}

.pp4-sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--pp4-space-3);
  padding: var(--pp4-space-2) var(--pp4-space-2) var(--pp4-space-5);
  text-decoration: none;
  color: inherit;
}

.pp4-sidebar__brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--pp4-radius-md);
  background: var(--pp4-grad-blue);
  font-family: var(--pp4-font-display);
  font-weight: var(--pp4-weight-extrabold);
  font-size: var(--pp4-text-lg);
}

.pp4-sidebar__brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.pp4-sidebar__brand-name {
  font-family: var(--pp4-font-display);
  font-size: var(--pp4-text-md);
  font-weight: var(--pp4-weight-extrabold);
  letter-spacing: -0.02em;
}

.pp4-sidebar__brand-sub {
  font-size: 10px;
  font-weight: var(--pp4-weight-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pp4-color-purple-bright);
}

.pp4-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: var(--pp4-space-1);
  flex: 1;
  overflow-y: auto;
}

.pp4-sidebar__section {
  margin: var(--pp4-space-4) 0 var(--pp4-space-2);
  padding: 0 var(--pp4-space-3);
  font-size: 10px;
  font-weight: var(--pp4-weight-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pp4-color-text-subtle);
}

.pp4-sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--pp4-space-3);
  min-height: 44px;
  padding: 0 var(--pp4-space-3);
  border-radius: var(--pp4-radius-md);
  border: 1px solid transparent;
  color: var(--pp4-color-text-secondary);
  text-decoration: none;
  font-size: var(--pp4-text-md);
  font-weight: var(--pp4-weight-semibold);
  transition:
    background var(--pp4-duration) var(--pp4-ease),
    color var(--pp4-duration) var(--pp4-ease),
    border-color var(--pp4-duration) var(--pp4-ease);
}

.pp4-sidebar__link:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--pp4-color-text);
}

.pp4-sidebar__link.is-active,
.pp4-sidebar__link[aria-current="page"] {
  background: var(--pp4-color-blue-soft);
  border-color: var(--pp4-color-border-blue);
  color: var(--pp4-color-text);
}

.pp4-sidebar__link:focus-visible {
  outline: 2px solid var(--pp4-color-blue-bright);
  outline-offset: 2px;
}

.pp4-sidebar__link .pp4-icon {
  color: currentColor;
  opacity: 0.9;
}

.pp4-sidebar__promo {
  margin-top: auto;
  padding: var(--pp4-space-4);
  border-radius: var(--pp4-radius-lg);
  background: var(--pp4-grad-purple);
  color: var(--pp4-color-text);
  box-shadow: var(--pp4-elev-glow-purple);
}

.pp4-sidebar__promo strong {
  display: block;
  font-family: var(--pp4-font-display);
  font-size: var(--pp4-text-md);
  margin-bottom: var(--pp4-space-1);
}

.pp4-sidebar__promo p {
  margin: 0 0 var(--pp4-space-3);
  font-size: var(--pp4-text-sm);
  opacity: 0.9;
  line-height: var(--pp4-leading-snug);
}

/* Shell demo helper (biblioteca apenas) */
.pp4-shell-demo {
  display: grid;
  grid-template-columns: var(--pp4-sidebar-width) 1fr;
  min-height: 420px;
  border: 1px solid var(--pp4-color-border);
  border-radius: var(--pp4-radius-xl);
  overflow: hidden;
  background: var(--pp4-color-bg);
}

.pp4-shell-demo__main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.pp4-shell-demo__content {
  padding: var(--pp4-space-6);
}

@media (max-width: 1023px) {
  .pp4-shell-demo {
    grid-template-columns: 1fr;
  }

  .pp4-shell-demo .pp4-sidebar {
    display: none;
  }
}