/* nav.css — header fixo, navbar e botões */

.navbar{
  position:sticky;top:0;z-index:50;
  background:rgba(26,26,26,0.85);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-brand{
  font-family:var(--font-serif);font-weight:700;font-size:1.125rem;
  letter-spacing:-0.01em;text-decoration:none;color:var(--fg);
  display:flex;align-items:center;gap:8px;
}
.nav-brand svg{width:22px;height:22px;color:var(--gold)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:0.875rem;font-weight:500;color:var(--fg-muted);text-decoration:none;transition:color 0.15s}
.nav-links a:hover,.nav-links a.active{color:var(--gold)}

/* Dropdown submenu */
.nav-dropdown{position:relative}
.nav-dropdown-trigger{
  display:flex;align-items:center;gap:6px;font-size:0.875rem;font-weight:500;
  color:var(--fg-muted);background:none;border:none;cursor:pointer;font-family:inherit;
  transition:color 0.15s;padding:0
}
.nav-dropdown-trigger:hover,.nav-dropdown.is-open .nav-dropdown-trigger{color:var(--gold)}
.nav-chevron{width:14px;height:14px;transition:transform 0.2s}
.nav-dropdown.is-open .nav-chevron{transform:rotate(180deg)}
.nav-dropdown-menu{
  position:absolute;top:calc(100% + 10px);left:0;min-width:200px;
  background:#1e1e1e;border:1px solid var(--border);border-radius:10px;
  padding:6px;box-shadow:0 8px 28px rgba(0,0,0,0.5);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity 0.18s,transform 0.18s,visibility 0.18s;z-index:60
}
.nav-dropdown.is-open .nav-dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown-menu a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:7px;
  font-size:0.875rem;font-weight:500;color:var(--fg-muted);text-decoration:none;transition:background 0.12s,color 0.12s
}
.nav-dropdown-menu a:hover{background:var(--bg-muted);color:var(--gold)}
.nav-dropdown-menu a.active{color:var(--gold);background:rgba(212,168,87,0.08)}
.nav-dropdown-menu a svg{width:16px;height:16px;flex-shrink:0;opacity:0.7}

/* Ações à direita */
.nav-actions{display:flex;gap:8px;align-items:center}
.nav-cart-badge{
  position:absolute;top:2px;right:2px;background:var(--gold);color:#1a1a1a;
  font-size:0.65rem;font-weight:700;width:16px;height:16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center
}

/* Botão hambúrguer (hidden no desktop) */
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:38px;height:38px;background:none;border:1px solid var(--border);
  border-radius:8px;cursor:pointer;padding:0 9px
}
.nav-toggle span{display:block;height:2px;background:var(--fg);border-radius:1px;transition:transform 0.25s,opacity 0.2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Menu mobile */
.nav-mobile{
  display:none;border-top:1px solid var(--border);background:#161616;padding:12px 24px 20px
}
.nav-mobile a{
  display:block;padding:12px 4px;font-size:0.9375rem;font-weight:500;color:var(--fg-muted);
  text-decoration:none;border-bottom:1px solid var(--border);transition:color 0.15s
}
.nav-mobile a:last-child{border-bottom:none}
.nav-mobile a:hover,.nav-mobile a.active{color:var(--gold)}
.nav-mobile-divider{height:1px;background:var(--border);margin:8px 0}
.nav-mobile-cart{display:flex;align-items:center;gap:8px}

.btn{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--font-sans);
  font-size:0.875rem;font-weight:600;padding:10px 22px;border-radius:var(--radius);
  cursor:pointer;transition:all 0.15s;border:1px solid transparent;text-decoration:none;
  letter-spacing:-0.01em;
}
.btn-primary{background:var(--gold);color:#1a1a1a;border-color:var(--gold)}
.btn-primary:hover{background:var(--gold-text);border-color:var(--gold-text)}
.btn-outline{background:transparent;color:var(--fg);border-color:var(--border)}
.btn-outline:hover{background:var(--bg-muted);border-color:var(--gold)}
.btn-accent{background:var(--gold);color:#1a1a1a;border-color:var(--gold)}
.btn-accent:hover{background:#d4a847;border-color:#d4a847}
.btn-ghost{background:transparent;color:var(--fg-muted);border-color:transparent}
.btn-ghost:hover{background:var(--bg-muted);color:var(--gold)}
.btn svg{width:16px;height:16px}
.btn-danger{background:#b03434;color:#fff;border-color:#b03434}
.btn-danger:hover{background:#c93f3f;border-color:#c93f3f}
.btn-sm{padding:6px 14px;font-size:0.8125rem}
.btn-success{background:#2a7a3a;color:#fff;border-color:#2a7a3a}
.btn-success:hover{background:#358f48;border-color:#358f48}
.btn-active{background:var(--gold);color:#1a1a1a;border-color:var(--gold)}
.btn-icon{padding:8px 10px;line-height:1}

/* Estado desabilitado — visual claro de indisponibilidade */
.btn:disabled,.btn[disabled]{opacity:0.45;cursor:not-allowed;pointer-events:none;filter:saturate(0.6)}
.btn:disabled:hover,.btn[disabled]:hover{background:inherit;border-color:inherit;transform:none;box-shadow:none}

/* Foco visível para acessibilidade de teclado em botões e links interativos */
.btn:focus-visible,.nav-links a:focus-visible,.nav-brand:focus-visible,.footer-links a:focus-visible{
  outline:2px solid var(--gold);outline-offset:2px;border-radius:calc(var(--radius) - 1px)
}
@media(prefers-reduced-motion:reduce){.btn{transition:none}}

/* ═══ ADMIN SIDEBAR ═══ */
.admin-sidebar{
  width:auto;
  min-width:0;
  background:#161616;
  border-right:1px solid var(--border);
  padding:var(--admin-sidebar-pad-top) 18px var(--admin-sidebar-pad-bottom);
  display:flex;
  flex-direction:column;
  gap:6px;
  overflow-y:auto;
  overflow-x:hidden;
  height:100dvh;
  min-height:0;
  position:sticky;
  top:0;
}

.admin-sidebar .brand{
  display:flex;
  align-items:center;
  gap:12px;
  height:var(--admin-header-height);
  min-height:var(--admin-header-height);
  padding:0 14px;
  margin-bottom:16px;
  font-family:var(--font-serif);
  font-weight:700;
  font-size:1.1rem;
  color:var(--fg);
  text-decoration:none;
}

.admin-sidebar .sidebar-section{
  margin-bottom:16px;
}

.admin-sidebar .sidebar-label{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:8px 12px;
  margin-bottom:4px;
  border:0;
  background:transparent;
  font:inherit;
  font-size:0.7rem;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:0.08em;
  color:var(--fg-muted);
  opacity:0.7;
  cursor:pointer;
  text-align:left;
  transition:color 0.15s, opacity 0.15s, background 0.15s;
}

.admin-sidebar .sidebar-label:hover,
.admin-sidebar .sidebar-label:focus-visible,
.admin-sidebar .sidebar-section.is-open .sidebar-label{
  color:var(--fg);
  opacity:1;
}

.admin-sidebar .sidebar-label:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:2px;
  border-radius:6px;
}

.admin-sidebar .sidebar-label-content{
  display:flex;
  align-items:center;
  gap:8px;
}

.admin-sidebar .sidebar-label svg{
  width:14px;
  height:14px;
  opacity:0.6;
}

.admin-sidebar .sidebar-label .sidebar-chevron{
  opacity:0.55;
  transition:transform 0.2s ease, color 0.15s;
}

.admin-sidebar .sidebar-section.is-open .sidebar-chevron{
  transform:rotate(180deg);
  color:var(--gold);
}

.admin-sidebar .sidebar-links{
  display:block;
  max-height:0;
  overflow:hidden;
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  pointer-events:none;
  transition:max-height 0.3s ease, opacity 0.2s ease, transform 0.3s ease, visibility 0.3s ease;
}

.admin-sidebar .sidebar-section.is-open .sidebar-links{
  max-height:420px;
  opacity:1;
  visibility:visible;
  transform:translateY(0);
  pointer-events:auto;
}

@media(prefers-reduced-motion:reduce){
  .admin-sidebar .sidebar-links,
  .admin-sidebar .sidebar-label .sidebar-chevron{
    transition:none;
  }
}

.admin-sidebar a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 12px;
  border-radius:10px;
  font-size:0.875rem;
  font-weight:500;
  color:var(--fg-muted);
  text-decoration:none;
  transition:all 0.15s;
}

.admin-sidebar a:hover{
  background:var(--bg-muted);
  color:var(--fg);
}

.admin-sidebar a.active{
  background:linear-gradient(160deg, rgba(212,168,87,0.15), rgba(212,168,87,0.08));
  color:var(--gold);
  font-weight:600;
}

.admin-sidebar a svg{
  width:18px;
  height:18px;
  flex-shrink:0;
  opacity:0.8;
}

.admin-sidebar a.active svg{
  opacity:1;
}

.admin-sidebar .sidebar-external{
  color:var(--fg-muted);
  opacity:0.8;
}

.admin-sidebar .sidebar-external:hover{
  opacity:1;
  color:var(--gold);
}

/* ═══ SCROLLBAR ═══ */
.admin-sidebar::-webkit-scrollbar{
  width:6px;
  height:6px;
}
.admin-sidebar::-webkit-scrollbar-track{
  background:transparent;
}
.admin-sidebar::-webkit-scrollbar-thumb{
  background:var(--border);
  border-radius:3px;
}
.admin-sidebar::-webkit-scrollbar-thumb:hover{
  background:var(--gold);
}
.admin-sidebar{
  scrollbar-width:thin;
  scrollbar-color:var(--border) transparent;
}