/* ============================================================
   GABARITOU 2.0 — Layout
   Sidebar, Topbar, Page, Responsividade
   ============================================================ */

/* ─── APP SHELL ────────────────────────────────────────────── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ─── SIDEBAR ──────────────────────────────────────────────── */
.sidebar {
  width: 240px;
  min-height: 100vh;
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 100;
  transition: transform var(--transition), width var(--transition);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  text-decoration: none;
}
.sidebar-logo {
  width: 36px; height: 36px;
  flex-shrink: 0;
}
.sidebar-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-section {
  padding: 10px 12px 4px;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: rgba(255,255,255,.35);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  margin: 2px 8px;
  border-radius: var(--radius-md);
  color: var(--sidebar-txt);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
  font-size: var(--fs-sm);
  font-weight: 500;
  position: relative;
}
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }
.nav-item:hover {
  background: var(--sidebar-item-hover);
  color: #fff;
}
.nav-item.active {
  background: var(--sidebar-item-active);
  color: var(--sidebar-txt-active);
}
.nav-item.active svg { color: var(--sidebar-icon-active); }
.nav-item.active::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 6px; bottom: 6px;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: var(--clr-green);
}

.sidebar-footer {
  padding: 14px 12px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.user-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition);
}
.user-pill:hover { background: var(--sidebar-item-hover); }
.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-green), var(--clr-blue));
  color: #fff;
  font-weight: 700;
  font-size: var(--fs-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-name {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-plan {
  font-size: var(--fs-xs);
  color: rgba(255,255,255,.45);
}

/* ─── TOPBAR ────────────────────────────────────────────────── */
.topbar {
  position: fixed;
  top: 0; right: 0;
  left: 240px;
  height: 64px;
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  z-index: 90;
  transition: left var(--transition), background var(--transition), border-color var(--transition);
}

.topbar-left .page-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--txt-primary);
}
.topbar-left .page-subtitle {
  font-size: var(--fs-xs);
  color: var(--txt-muted);
  margin-top: 1px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Botão de tema */
.theme-toggle {
  display: flex;
  align-items: center;
  background: var(--bg-hover);
  border-radius: 999px;
  padding: 4px;
  gap: 2px;
  border: 1px solid var(--border);
}
.theme-btn {
  width: 30px; height: 30px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--txt-muted);
  background: transparent;
  transition: all var(--transition);
}
.theme-btn.active {
  background: var(--bg-card);
  color: var(--txt-primary);
  box-shadow: var(--shadow-sm);
}
.theme-btn svg { width: 15px; height: 15px; }

/* Botão de acessibilidade */
.a11y-btn {
  width: 38px; height: 38px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--txt-secondary);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.a11y-btn:hover { border-color: var(--clr-green); color: var(--clr-green); }
.a11y-btn svg { width: 18px; height: 18px; }

/* ─── MAIN CONTENT ──────────────────────────────────────────── */
.main-content {
  margin-left: 240px;
  padding-top: 64px;
  min-height: 100vh;
  flex: 1;
  transition: margin-left var(--transition);
}

.page-body {
  padding: 28px;
}

/* Grids */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* ─── PAINEL DE ACESSIBILIDADE ──────────────────────────────── */
.a11y-panel {
  position: fixed;
  top: 72px; right: 16px;
  width: 300px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  z-index: 500;
  transform: translateY(-8px) scale(.97);
  opacity: 0;
  pointer-events: none;
  transition: all .2s ease;
}
.a11y-panel.open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: all;
}

.a11y-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--border);
}
.a11y-header h3 { font-size: var(--fs-md); color: var(--txt-primary); }

.a11y-body { padding: 16px 18px; display: flex; flex-direction: column; gap: 18px; }

.a11y-row {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.a11y-label { font-size: var(--fs-sm); font-weight: 500; color: var(--txt-primary); }
.a11y-sub { font-size: var(--fs-xs); color: var(--txt-muted); display: block; }

.a11y-section label { font-size: var(--fs-sm); font-weight: 600; color: var(--txt-secondary); }
.font-size-row {
  display: flex; align-items: center; gap: 10px;
  margin-top: 8px;
}
.font-size-label { font-size: var(--fs-xs); color: var(--txt-muted); font-weight: 600; width: 20px; }

.colorblind-options {
  display: flex; gap: 8px;
  margin-top: 8px;
}
.colorblind-btn {
  flex: 1;
  padding: 8px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-page);
  font-size: var(--fs-xs);
  cursor: pointer;
  font-weight: 500;
  color: var(--txt-secondary);
  transition: all var(--transition);
  text-align: center;
}
.colorblind-btn.active {
  border-color: var(--clr-green);
  color: var(--clr-green);
  background: var(--clr-green-light);
}

/* ─── RESPONSIVIDADE ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 > *, .grid-3 > * { grid-column: auto !important; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .topbar { left: 0; }
  .main-content { margin-left: 0; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .page-body { padding: 16px; }
  .hamburger { display: flex; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .a11y-panel { right: 8px; width: calc(100vw - 16px); }
}

.hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  color: var(--txt-secondary);
}
.hamburger svg { width: 18px; height: 18px; }

.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 99;
}
.sidebar-overlay.open { display: block; }