:root {
  --bg: #0a0a0a;
  --panel: #161616;
  --border: #2b2b2b;
  --text: #f2f2f2;
  --muted: #9a9a9a;
  --ok: #3ecf8e;
  --warn: #e8b339;
  --danger: #e2463d;
  --accent: #d81324;
  --mono: "SF Mono", "JetBrains Mono", "Roboto Mono", Consolas, monospace;
  font-family: -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
}

.mono { font-family: var(--mono); letter-spacing: 0.2px; }

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
  margin-right: auto;
  letter-spacing: 0.2px;
}

.brand { display: flex; align-items: center; margin-right: 18px; }
.brand-logo { height: 34px; width: auto; display: block; }
.brand-logo-full { height: 96px; width: auto; display: block; margin: 0 auto; }
.product-name {
  text-align: center;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}

button {
  font-family: inherit;
  font-size: 13px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 8px 14px;
  cursor: pointer;
}
button.ghost:hover { border-color: var(--accent); }

main { padding: 24px 28px; }
main section { margin-bottom: 36px; }
.section-title { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; margin: 0 0 10px; }
.section-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.8px; }
dialog hr { border: none; border-top: 1px solid var(--border); margin: 4px 0 12px; }

/* --- Layout com barra lateral (painel admin) --- */
/* O menu fica escondido (fora da tela) por padrão para dar mais espaço
   ao conteúdo central. Ele desliza por cima do conteúdo (overlay) quando
   acionado pelo botão hamburger, e some sozinho ao escolher um item. */
.app-shell { display: flex; min-height: 100vh; align-items: stretch; position: relative; }
.sidebar {
  width: 250px;
  max-width: 82vw;
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 50;
  transform: translateX(-100%);
  transition: transform 0.22s ease;
  box-shadow: 0 0 0 rgba(0,0,0,0);
}
.sidebar.open {
  transform: translateX(0);
  box-shadow: 8px 0 28px rgba(0,0,0,0.45);
}
.sidebar .brand { margin-bottom: 2px; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; margin-top: 8px; }
.nav-item {
  text-align: left;
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 7px;
  font-size: 13px;
  cursor: pointer;
}
.nav-item:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.nav-item.active { background: var(--accent); color: #fff; font-weight: 600; }
.nav-logout { margin-top: auto; }

/* Botão hamburger fixo: continua acessível mesmo com o menu escondido,
   para ser fácil trocar de seção a qualquer momento. */
.sidebar-toggle {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 60;
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 18px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,0.35);
}
.sidebar-toggle:hover { border-color: var(--accent); }

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 40;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}
.sidebar-backdrop.visible { opacity: 1; pointer-events: auto; }

.content { flex: 1; width: 100%; padding: 32px 40px 32px 76px; overflow-x: auto; }

@media (max-width: 640px) {
  .content { padding: 20px 16px 20px 64px; }
  .sidebar-toggle { top: 10px; left: 10px; width: 38px; height: 38px; }
  .panel-header { flex-wrap: wrap; gap: 10px; }
}
.panel-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.panel-header h1 { font-size: 20px; margin: 0; }
.panel.hidden { display: none; }

button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px; }
.stat-card.clickable { cursor: pointer; transition: border-color 0.15s; }
.stat-card.clickable:hover { border-color: var(--accent); }
.stat-card .value { font-size: 30px; font-weight: 700; font-family: var(--mono); line-height: 1; }
.stat-card .value.accent-danger { color: var(--danger); }
.stat-card .value.accent-warn { color: var(--warn); }
.stat-card .value.accent-ok { color: var(--ok); }
.stat-card .label { font-size: 12px; color: var(--muted); margin-top: 8px; }

.subtabs, .stock-subtabs, .client-detail-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 22px; }
.subtab-item, .stock-subtab-item, .client-detail-tab-item { background: transparent; border: none; border-bottom: 2px solid transparent; color: var(--muted); padding: 10px 14px; cursor: pointer; font-size: 13px; }
.subtab-item:hover, .stock-subtab-item:hover, .client-detail-tab-item:hover { color: var(--text); }
.subtab-item.active, .stock-subtab-item.active, .client-detail-tab-item.active { color: var(--text); border-bottom-color: var(--accent); }
.subtab-panel.hidden, .stock-subtab-panel.hidden, .client-detail-tab-panel.hidden { display: none; }

.settings-form { max-width: 480px; display: flex; flex-direction: column; gap: 14px; }
.settings-form label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.settings-form input, .settings-form select {
  font-family: inherit; font-size: 13px; padding: 9px 10px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
}
.form-row { display: flex; gap: 12px; }
.form-row label { flex: 1; }
.form-actions { display: flex; gap: 8px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}
tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
tbody tr:hover { background: rgba(255,255,255,0.02); }

.empty { text-align: center; color: var(--muted); padding: 40px 0; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.badge.ok { background: rgba(62,207,142,0.15); color: var(--ok); }
.badge.warn { background: rgba(232,179,57,0.15); color: var(--warn); }
.badge.danger { background: rgba(224,92,92,0.15); color: var(--danger); }
.badge.muted { background: rgba(139,147,161,0.15); color: var(--muted); }

/* Linhas de estoque baixo por cliente — vermelho (reserva zerada) tem
   prioridade sobre amarelo (só 1 unidade restante) */
tr.stock-row-critical td { background: rgba(224,92,92,0.12); }
tr.stock-row-warning td { background: rgba(232,179,57,0.12); }
tr.stock-client-detail.hidden { display: none; }

.action-btn { font-size: 12px; padding: 6px 10px; }
.action-btn.block { border-color: var(--danger); color: var(--danger); }
.action-btn.unblock { border-color: var(--ok); color: var(--ok); }
.paybadge-btn { all: unset; cursor: pointer; }

.action-menu { position: relative; display: inline-block; margin-left: 6px; }
.action-menu-toggle {
  font-size: 14px;
  padding: 6px 9px;
  line-height: 1;
}
.action-menu-list {
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  min-width: 180px;
  z-index: 20;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.action-menu-list.hidden { display: none; }
.action-menu-list a, .action-menu-list button {
  all: unset;
  cursor: pointer;
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 5px;
  color: var(--text);
  white-space: nowrap;
}
.action-menu-list a:hover, .action-menu-list button:hover { background: rgba(255,255,255,0.06); }
.action-menu-list .danger-item { color: var(--danger); }

dialog {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  min-width: 340px;
}
dialog::backdrop { background: rgba(0,0,0,0.5); }
dialog h2 { margin-top: 0; font-size: 15px; }
dialog label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 12px;
}
dialog input, dialog select {
  font-family: inherit;
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
dialog menu { display: flex; justify-content: flex-end; gap: 8px; padding: 0; margin: 12px 0 0; }
dialog pre {
  background: var(--bg);
  padding: 12px;
  border-radius: 6px;
  overflow-wrap: break-word;
  white-space: pre-wrap;
  font-size: 12px;
}