/* Layout split view */
:root {
  --sidebar-width: 280px;
}

body {
  overflow: hidden;
  height: 100vh;
}

.app-container {
  display: flex;
  height: 100vh;
  padding-top: 60px; /* espacio topbar */
  padding-bottom: 50px; /* espacio bottombar */
  box-sizing: border-box;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 60px;
  right: 0;
  width: var(--sidebar-width);
  height: calc(100vh - 110px);
  background: var(--bg);
  border-left: 1px solid rgba(128,128,128,.15);
  z-index: 100;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

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

/* Contenido principal */
.main-content {
  flex: 1;
  overflow-y: auto;
  transition: margin-right 0.3s ease;
  height: 100%;
}

.sidebar.open ~ .main-content,
body.sidebar-open .main-content {
  margin-right: var(--sidebar-width);
}

/* Sección activa */
.sidebar-nav a {
  display: block;
  padding: 14px 20px;
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid rgba(128,128,128,.1);
  cursor: pointer;
  font-size: 1.1rem;
}

.sidebar-nav a:hover {
  background: rgba(128,128,128,.05);
}

.sidebar-nav a.active {
  color: #d4af37;
  background: rgba(212,175,55,.1);
  border-right: 3px solid #d4af37;
}

/* Controles sidebar */
.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 20px;
  border-bottom: 1px solid rgba(128,128,128,.15);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.sidebar-controls {
  display: flex;
  gap: 8px;
}

.sidebar-controls button {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(128,128,128,.3);
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
  cursor: pointer;
}

.sidebar-close {
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--muted);
}

/* Mobile adjustments */
@media (max-width: 600px) {
  :root {
    --sidebar-width: 65vw;
  }
}