/* ============================================
   header.css — topbar, header sticky, sidebar
   ============================================ */

/* Top disclaimer bar */
.topbar {
  background: var(--color-dark);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

.topbar-inner {
  width: min(100% - 1.25rem, var(--container));
  margin-inline: auto;
  min-height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.35rem 0;
  flex-wrap: wrap;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.topbar .badge-18 {
  min-width: 30px;
  min-height: 30px;
  font-size: 0.72rem;
}

.topbar a {
  color: var(--color-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.topbar a:hover {
  color: var(--color-accent);
}

/* Sticky header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 26, 18, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.28);
}

.header-inner {
  width: min(100% - 1.25rem, var(--container));
  margin-inline: auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.5rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  flex-shrink: 0;
  color: var(--color-text);
}

.brand:hover {
  color: var(--color-text);
}

.brand-mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--color-primary);
}

.brand-name .accent {
  color: var(--color-accent);
}

.brand-tag {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  font-weight: 600;
}

/* Header nav tabs */
.header-tabs {
  display: none;
  align-items: center;
  gap: 0.25rem;
  margin-left: 0.5rem;
}

.header-tabs a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.95rem;
  min-height: 42px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}

.header-tabs a:hover {
  background: rgba(34, 197, 94, 0.1);
  color: var(--color-accent);
}

.header-tabs a.is-active {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.header-tabs a.is-live {
  color: var(--color-live);
}

.header-tabs a.is-live:hover {
  background: rgba(239, 68, 68, 0.12);
  color: var(--color-live);
}

.header-tabs a.is-live .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-live);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25);
  animation: pulse-live 1.6s ease infinite;
}

@keyframes pulse-live {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

/* Header search */
.header-search {
  display: none;
  flex: 1;
  max-width: 260px;
}

/* Balance widget (exemplo / namuna) */
.balance-widget {
  display: none;
  align-items: center;
  gap: 0.55rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.75rem;
  min-height: 42px;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.balance-widget .bal-label {
  display: block;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

.balance-widget .bal-value {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}

.balance-widget .demo-tag {
  font-size: 0.58rem;
  background: rgba(138, 154, 144, 0.18);
  color: var(--color-muted);
  padding: 0.12rem 0.35rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  flex-shrink: 0;
}

.header-actions .btn {
  min-height: 42px;
  padding: 0.55rem 1.1rem;
  font-size: 0.88rem;
}

.btn-entrar {
  display: none;
}

.burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  padding: 0;
}

.burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  position: relative;
  transition: background var(--transition);
}

.burger span::before,
.burger span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition);
}

.burger span::before { top: -6px; }
.burger span::after { top: 6px; }

.burger[aria-expanded="true"] span {
  background: transparent;
}

.burger[aria-expanded="true"] span::before {
  transform: translateY(6px) rotate(45deg);
}

.burger[aria-expanded="true"] span::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* Mobile drawer nav */
.mobile-nav {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(320px, 88vw);
  background: var(--color-dark);
  border-left: 1px solid var(--color-border);
  z-index: 200;
  transform: translateX(100%);
  transition: transform 0.28s ease;
  overflow-y: auto;
  padding: 1.25rem 1.15rem calc(var(--bottomnav-h) + 1.5rem);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 12, 8, 0.65);
  z-index: 190;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}

.mobile-nav-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin: 0.75rem 0 0.35rem;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 46px;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-weight: 600;
  text-decoration: none;
}

.mobile-nav a:hover,
.mobile-nav a.is-active {
  background: rgba(34, 197, 94, 0.12);
  color: var(--color-accent);
}

.mobile-nav .nav-cta {
  margin-top: 1rem;
  display: grid;
  gap: 0.55rem;
}

/* Sidebar */
.sidebar {
  display: none;
  background: var(--color-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  position: sticky;
  top: calc(var(--header-h) + 12px);
}

.sidebar-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin: 0.35rem 0 0.55rem;
  padding: 0 0.55rem;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 44px;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.92rem;
  font-weight: 550;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}

.sidebar nav a:hover,
.sidebar nav a.is-active {
  background: rgba(34, 197, 94, 0.12);
  color: var(--color-accent);
}

.sidebar nav a .ico {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.9;
}

.sidebar-note {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.2);
  font-size: 0.75rem;
  color: var(--color-muted);
  line-height: 1.5;
}

/* Breakpoints */
@media (min-width: 601px) {
  .btn-entrar { display: inline-flex; }
  .header-search { display: flex; }
  .balance-widget { display: inline-flex; }
  .header-tabs { display: flex; }
}

@media (min-width: 1025px) {
  .sidebar { display: block; }
  .burger { display: none; }
  .brand-name { font-size: 1.28rem; }
}

@media (max-width: 600px) {
  .header-actions .btn-primary {
    padding: 0.55rem 0.85rem;
    font-size: 0.82rem;
  }
  .brand-name { font-size: 1.05rem; }
  .brand-tag { display: none; }
}