/* ============================================================
   LAYOUT — Sidebar, header, conteúdo principal
   ============================================================ */

/* ── Wrapper raiz ─────────────────────────────────────────── */
#app {
  display: flex;
  min-height: 100vh;
}

/* ── SIDEBAR ──────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: var(--sidebar-width);
  background: var(--color-primary);
  display: flex;
  flex-direction: column;
  z-index: var(--z-sidebar);
  transition: width var(--transition-base), transform var(--transition-base);
  overflow: hidden;
}

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

/* Logo / cabeçalho da sidebar */
.sidebar-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,.08);
  min-height: 76px;
  overflow: hidden;
}

.sidebar-logo {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--color-gold);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.sidebar-brand {
  overflow: hidden;
  transition: opacity var(--transition-base), width var(--transition-base);
}
.sidebar.collapsed .sidebar-brand { opacity: 0; width: 0; }

.sidebar-brand-name {
  font-family: var(--font-display);
  font-size: var(--font-lg);
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}
.sidebar-brand-sub {
  font-size: var(--font-xs);
  color: rgba(255,255,255,.5);
  white-space: nowrap;
}

/* Progresso no sidebar */
.sidebar-progress {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,.08);
  overflow: hidden;
  transition: opacity var(--transition-base);
}
.sidebar.collapsed .sidebar-progress { opacity: 0; pointer-events: none; }

.sidebar-progress-label {
  font-size: var(--font-xs);
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: var(--space-2);
  display: flex;
  justify-content: space-between;
}
.sidebar-progress-label span { color: var(--color-gold); font-family: var(--font-mono); }

.sidebar-progress-bar {
  height: 4px;
  background: rgba(255,255,255,.15);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.sidebar-progress-bar-fill {
  height: 100%;
  background: var(--color-gold);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.sidebar-progress-sub {
  font-size: var(--font-xs);
  color: rgba(255,255,255,.35);
  margin-top: var(--space-1);
}

/* Navegação */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-3) var(--space-2);
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,.1) transparent;
}
.sidebar-nav::-webkit-scrollbar { width: 3px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); }

.sidebar-nav a,
.sidebar-nav button.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: rgba(255,255,255,.7);
  font-size: var(--font-sm);
  font-weight: 500;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast);
  width: 100%;
  text-align: left;
  position: relative;
  text-decoration: none;
  margin-bottom: 2px;
}

.sidebar-nav a:hover,
.sidebar-nav button.nav-link:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
}

.sidebar-nav a.active,
.sidebar-nav button.nav-link.active {
  background: rgba(255,255,255,.12);
  color: #fff;
}

.sidebar-nav a.active::before,
.sidebar-nav button.nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--color-gold);
  border-radius: 0 2px 2px 0;
}

.nav-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity var(--transition-base);
}
.sidebar.collapsed .nav-label { opacity: 0; width: 0; overflow: hidden; }

.nav-badge {
  flex-shrink: 0;
  background: var(--color-danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
  line-height: 16px;
  transition: opacity var(--transition-base);
}
.sidebar.collapsed .nav-badge { opacity: 0; }

.nav-divider {
  height: 1px;
  background: rgba(255,255,255,.07);
  margin: var(--space-2) var(--space-2);
}

/* Rodapé da sidebar */
.sidebar-footer {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: var(--space-3) var(--space-2);
  display: flex;
  gap: var(--space-2);
  overflow: hidden;
}

.sidebar-footer-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: rgba(255,255,255,.5);
  font-size: var(--font-xs);
  transition: background var(--transition-fast), color var(--transition-fast);
  flex: 1;
  cursor: pointer;
  background: none;
  border: none;
  white-space: nowrap;
  overflow: hidden;
}
.sidebar-footer-btn:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
}
.sidebar-footer-btn svg { flex-shrink: 0; }

/* Tooltip para modo colapsado */
.sidebar.collapsed .sidebar-nav a,
.sidebar.collapsed .sidebar-nav button.nav-link {
  justify-content: center;
  padding: var(--space-3);
}
.sidebar.collapsed .sidebar-footer-btn { padding: var(--space-2); }

/* ── OVERLAY MOBILE ───────────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: calc(var(--z-sidebar) - 1);
  backdrop-filter: blur(2px);
}
.sidebar-overlay.active { display: block; }

/* ── ÁREA PRINCIPAL ───────────────────────────────────────── */
.main-area {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: margin-left var(--transition-base);
}

.main-area.sidebar-collapsed {
  margin-left: var(--sidebar-collapsed);
}

/* ── HEADER ───────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  gap: var(--space-4);
  z-index: var(--z-header);
  box-shadow: var(--shadow-sm);
}

.header-toggle {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
}
.header-toggle:hover {
  background: var(--color-green-bg);
  color: var(--color-primary);
}

/* Busca global */
.header-search {
  flex: 1;
  max-width: 500px;
  position: relative;
}

.header-search-input {
  width: 100%;
  height: 36px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0 var(--space-4) 0 var(--space-10);
  font-size: var(--font-sm);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.header-search-input::placeholder { color: var(--color-text-light); }
.header-search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(18,61,42,.1);
}

.header-search-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-light);
  pointer-events: none;
}

.header-search-kbd {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-border-light);
  color: var(--color-text-muted);
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 3px;
  font-family: var(--font-mono);
  pointer-events: none;
}

/* Timer no header */
.header-timer {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-green-bg);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: var(--font-sm);
  color: var(--color-primary);
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--color-border-light);
  transition: background var(--transition-fast);
  flex-shrink: 0;
}
.header-timer:hover { background: var(--color-border); }
.header-timer.running { background: var(--color-success-bg); color: var(--color-success); border-color: var(--color-success); }
.header-timer-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
}
.header-timer.running .header-timer-dot { animation: pulse 1s infinite; }

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* ── CONTEÚDO DA PÁGINA ───────────────────────────────────── */
.page-content {
  flex: 1;
  padding: var(--space-6) var(--space-8);
  max-width: var(--content-max);
  width: 100%;
  margin: 0 auto;
  animation: fadeIn var(--transition-base) both;
}

.page-header {
  margin-bottom: var(--space-8);
}

.page-header h1 {
  font-size: var(--font-3xl);
  margin-bottom: var(--space-2);
}

.page-header p {
  color: var(--color-text-muted);
  font-size: var(--font-md);
  margin: 0;
}

.page-header-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* Grids de conteúdo */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }

.grid-auto-2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-4);
}
.grid-auto-3 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr));
  gap: var(--space-4);
}

/* Seção com título */
.section { margin-bottom: var(--space-8); }
.section-title {
  font-size: var(--font-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.section-title svg { color: var(--color-primary); }

/* Painel de resultados de busca */
.search-results-panel {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  right: 0;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-height: 400px;
  overflow-y: auto;
  z-index: var(--z-dropdown);
  display: none;
}
.search-results-panel.active { display: block; }

.search-result-group { padding: var(--space-2) 0; }
.search-result-group-title {
  font-size: var(--font-xs);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: var(--space-1) var(--space-4);
}
.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  cursor: pointer;
  transition: background var(--transition-fast);
  text-decoration: none;
  color: var(--color-text);
}
.search-result-item:hover,
.search-result-item.selected { background: var(--color-green-bg); }
.search-result-item-title { font-size: var(--font-sm); font-weight: 500; }
.search-result-item-sub { font-size: var(--font-xs); color: var(--color-text-muted); }
mark { background: var(--color-gold-light); color: var(--color-primary); padding: 0 1px; border-radius: 2px; }

/* ── BREADCRUMB ───────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb-sep { color: var(--color-border); }
.breadcrumb-current { color: var(--color-text); font-weight: 500; }

/* ── TABS ─────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-6);
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  flex-shrink: 0;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  white-space: nowrap;
}
.tab-btn:hover { color: var(--color-primary); }
.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn var(--transition-base) both; }

/* ── PROGRESS BAR ─────────────────────────────────────────── */
.progress-bar {
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}
.progress-bar-fill.gold   { background: var(--color-gold); }
.progress-bar-fill.success{ background: var(--color-success); }
.progress-bar.thin { height: 3px; }
.progress-bar.thick { height: 10px; }