:root {
  /* MODO ESCURO (PADRÃO) */
  --bg: #08111f;
  --bg-soft: #0f1b33;
  --bg-grad-top: #050b14;
  --bg-shell-top: #0a1324;
  --bg-shell-bot: #09101b;
  --panel: rgba(12, 22, 40, 0.78);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #eef3ff;
  --muted: #aab7d4;
  --primary: #57d5c9;
  --primary-strong: #2bb6d6;
  --accent: #ffb86b;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  
  /* Gradientes B2B Escuros */
  --grad-1: rgba(87, 213, 201, 0.16);
  --grad-2: rgba(255, 184, 107, 0.14);
}

/* ☀️ MODO CLARO (INVERSÃO DE VARIÁVEIS) */
:root[data-theme="light"] {
  --bg: #f3f4f6;
  --bg-soft: #ffffff;
  --bg-grad-top: #e5e7eb;
  --bg-shell-top: #f8fafc;
  --bg-shell-bot: #f1f5f9;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-border: rgba(0, 0, 0, 0.1);
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #0d9488;
  --primary-strong: #0284c7;
  --accent: #ea580c;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);

  /* Gradientes B2B Claros */
  --grad-1: rgba(13, 148, 136, 0.1);
  --grad-2: rgba(234, 88, 12, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, var(--grad-1), transparent 28%),
    radial-gradient(circle at top right, var(--grad-2), transparent 24%),
    linear-gradient(180deg, var(--bg-grad-top) 0%, var(--bg) 100%);
  transition: background 0.3s ease, color 0.3s ease;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero,
.panel {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.hero {
  border-radius: 28px;
  padding: 36px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  inset: auto -10% -20% auto;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, var(--grad-1), transparent 70%);
  pointer-events: none;
}

.hero__badge {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(87, 213, 201, 0.12);
  color: var(--primary-strong);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.hero h1 {
  margin: 18px 0 16px;
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.05em;
  max-width: 11ch;
}

.hero p {
  margin: 0;
  max-width: 68ch;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  border: none;
}

:root[data-theme="light"] .button--primary {
  color: #ffffff;
}

.button--secondary {
  color: var(--text);
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.04);
}

:root[data-theme="light"] .button--secondary {
  background: rgba(0, 0, 0, 0.03);
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.hero__metrics article,
.stack__item {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  border-radius: 20px;
  padding: 18px;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.hero__metrics strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 8px;
}

.hero__metrics span,
.stack__item p,
.feature-list {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  margin-top: 18px;
}

.panel {
  border-radius: 24px;
  padding: 24px;
}

.panel h2 {
  margin: 0 0 18px;
  font-size: 1.35rem;
}

.panel--accent {
  background: linear-gradient(180deg, var(--grad-1), var(--panel));
}

.feature-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 14px;
  line-height: 1.6;
}

.stack {
  display: grid;
  gap: 14px;
}

.stack__label {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 184, 107, 0.12);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stack__item strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.shell-page {
  min-height: 100vh;
  padding: 24px;
  background:
    radial-gradient(circle at top left, var(--grad-1), transparent 24%),
    linear-gradient(180deg, var(--bg-shell-top) 0%, var(--bg-shell-bot) 100%);
  transition: background 0.3s ease;
}

.shell {
  width: min(1240px, 100%);
  margin: 0 auto;
}

.shell__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.shell__brand {
  display: grid;
  gap: 4px;
}

.shell__brand strong {
  font-size: 1.2rem;
}

.shell__brand span {
  color: var(--muted);
}

.shell__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.shell__content {
  display: grid;
  gap: 18px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.kpi {
  border-radius: 22px;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.kpi__label {
  color: var(--muted);
  display: block;
  margin-bottom: 10px;
}

.kpi__value {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.table-card {
  border-radius: 24px;
  padding: 24px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  box-shadow: var(--shadow);
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.table-card table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.table-card th,
.table-card td {
  text-align: left;
  padding: 14px 10px;
  border-bottom: 1px solid var(--panel-border);
}

.table-card th {
  color: var(--muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* 🔘 BOTÃO FLUTUANTE DO TEMA */
.theme-toggle-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  color: var(--text);
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow);
  z-index: 9999;
  transition: transform 0.2s ease, background 0.3s ease;
}

.theme-toggle-btn:hover {
  transform: scale(1.1);
}

.theme-toggle-btn .icon-dark { display: none; }
:root[data-theme="light"] .theme-toggle-btn .icon-light { display: none; }
:root[data-theme="light"] .theme-toggle-btn .icon-dark { display: block; }

@media (max-width: 920px) {
  .grid,
  .kpi-grid,
  .hero__metrics {
    grid-template-columns: 1fr;
  }

  .shell__header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .page-shell,
  .shell-page {
    padding: 16px;
  }

  .hero,
  .panel,
  .table-card {
    border-radius: 20px;
    padding: 18px;
  }

  .hero h1 {
    max-width: none;
  }
  
  .theme-toggle-btn {
      bottom: 16px;
      right: 16px;
      width: 44px;
      height: 44px;
      font-size: 20px;
  }
}

/* ============================================================================
   🛡️ PROGRAMA RESPONSIVO — UTILITÁRIOS COMPARTILHADOS (Etapa A)
   ----------------------------------------------------------------------------
   Padrão replicado das telas já responsivas (ex.: vendors.php).
   Uso: adicionar classe .responsive-table na <table> e data-label="Coluna"
   em cada <td>. Fallbacks de cor garantem funcionamento em qualquer painel.
   NÃO afeta o layout desktop (só ativa em telas ≤ 768px).
   ============================================================================ */

@media (max-width: 768px) {

  /* Tabela vira pilha de cards */
  .responsive-table { width: 100%; border-collapse: collapse; }
  .responsive-table thead { display: none; }
  .responsive-table tbody,
  .responsive-table tr,
  .responsive-table td {
    display: block;
    width: 100%;
    box-sizing: border-box;
  }
  .responsive-table tr {
    margin-bottom: 16px;
    background: var(--bg-soft, #ffffff);
    border: 1px solid var(--panel-border, #e2e8f0);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .responsive-table td {
    padding: 0;
    text-align: left !important;
    border: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .responsive-table td::before {
    content: attr(data-label);
    font-size: 11px;
    color: var(--muted, #64748b);
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 2px;
  }
  .responsive-table td:last-child {
    margin-top: 8px;
    flex-direction: column;
    gap: 8px;
  }
  .responsive-table td:last-child form { width: 100%; margin: 0; }
  .responsive-table td:last-child button { width: 100%; min-height: 44px; }

  /* Botões com área de toque confortável (padrão Apple/Google ≥44px) */
  .r-touch button,
  .r-touch a.button,
  .button.r-touch {
    min-height: 44px;
  }

  /* Grades que empilham no celular */
  .r-stack > * { width: 100%; box-sizing: border-box; }

  /* Esconder no celular (uso pontual) */
  .hide-mobile { display: none !important; }
}