/* =============================================================
   BreveIA — main.css
   Variáveis globais, reset, tipografia base e utilitários.
   Carregado em todas as páginas.
   ============================================================= */

/* ---------- VARIÁVEIS DE DESIGN TOKENS ---------- */
:root {
  /* PRIMÁRIAS (Briefing Original) */
  --azul:           #0F2A44;
  /* Tom do fundo do lockup PNG (amostrado em assets/images/logo.png) — shell escuro. */
  --azul-lockup-logo: #022344;
  --azul-lockup-mid: #021a35;
  --azul-lockup-deep: #011824;
  --azul-escuro:    #0A1B2E;
  --azul-medio:     #1B3A5C;
  --azul-claro:     #3B82F6;
  --azul-fundo:     #EFF6FF;

  --dourado:        #D4A63C;
  --dourado-claro:  #E6BC55;
  --dourado-fundo:  #FEF3C7;

  /* SCORE / STATUS */
  --verde:          #10B981;
  --verde-claro:    #D1FAE5;
  --verde-escuro:   #166534;
  --laranja:        #F59E0B;
  --laranja-claro:  #FEF3C7;
  --laranja-escuro: #92400E;
  --vermelho:       #EF4444;
  --vermelho-claro: #FEE2E2;
  --vermelho-escuro:#991B1B;

  /* NEUTROS */
  --fundo:          #F8FAFC;
  --superficie:     #FFFFFF;
  --texto:          #111827;
  --texto-secundario:#6B7280;
  --borda:          #E5E7EB;
  --borda-leve:     #F3F4F6;

  /* ESPAÇAMENTO (escala 4px) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;

  /* RAIO DE BORDA */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 20px;
  --r-pill: 999px;

  /* SOMBRAS */
  --shadow-sm: 0 1px 2px rgba(15,42,68,0.04);
  --shadow-md: 0 4px 12px rgba(15,42,68,0.08);
  --shadow-lg: 0 12px 32px rgba(15,42,68,0.12);
  --shadow-focus: 0 0 0 3px rgba(212,166,60,0.25);

  /* TIPOGRAFIA */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', Menlo, monospace;

  /* TRANSIÇÕES */
  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);

  /* SHELL — footer (gradiente no mesmo sistema de cor do header / logo) */
  --shell-bg-top: var(--azul-lockup-logo);
  --shell-bg-mid: var(--azul-lockup-mid);
  --shell-bg-deep: var(--azul-lockup-deep);
  --shell-line: rgba(255, 255, 255, 0.08);
  --shell-text-muted: rgba(255, 255, 255, 0.72);
  --shell-text: #ffffff;
  /* Header: mesmo azul do fundo da logo; deep/mid para anéis de foco e badge. */
  --header-bg: var(--azul-lockup-logo);
  --header-bg-mid: var(--azul-lockup-mid);
  --header-bg-deep: var(--azul-lockup-deep);
  --header-border: var(--shell-line);
  --header-text-muted: var(--shell-text-muted);
  --header-text: var(--shell-text);
  --header-h: 72px;
  --header-search-h: 40px;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--texto);
  background: var(--fundo);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* features tipográficas suportadas em todos os browsers modernos */
  font-feature-settings: 'cv11', 'ss01', 'kern' 1;
  font-variant-ligatures: common-ligatures;
  text-rendering: optimizeLegibility;
}

/* Números tabulares onde estatística importa (scores, valores, datas). */
.tabular,
.tabular-nums,
[data-numeric] {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
}

img, svg { max-width: 100%; display: block; }

a {
  color: var(--azul);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--dourado); }
a:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--r-sm);
}

button { font-family: inherit; cursor: pointer; }

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--sp-3);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--texto);
  line-height: 1.2;
}
h1 { font-size: 2rem; font-weight: 800; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 var(--sp-3); }

/* Números tabulares (para scores e métricas) */
.tabular { font-variant-numeric: tabular-nums; }

/* ---------- LAYOUT GLOBAL ---------- */
.breveia-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.breveia-main {
  flex: 1;
  padding-top: var(--header-h);
}

.breveia-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

/* ---------- HEADER FIXO (fundo escuro — lockup PNG transparente, sem caixa) ---------- */
.breveia-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  /* Fundo sólido = tom do fundo do lockup (ver --azul-lockup-logo). Sem gradiente
     para o retângulo do PNG fundir com a barra em qualquer altura. */
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  z-index: 100;
  transition: box-shadow var(--transition);
}
.breveia-header.scrolled {
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.28);
}

.breveia-header__inner {
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.breveia-header__logo {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--sp-2);
  flex-shrink: 0;
  min-width: 0;
  text-decoration: none;
  color: inherit;
  background: none;
  border: 0;
  box-shadow: none;
  padding: 0;
  margin: 0;
  align-self: center;
}
.breveia-header__logo:focus-visible {
  outline: none;
  border-radius: var(--r-sm);
  box-shadow: 0 0 0 2px var(--header-bg-deep), 0 0 0 4px rgba(212, 166, 60, 0.55);
}
.breveia-logo-wrap {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  min-width: 0;
  background: none;
  border: 0;
  box-shadow: none;
  padding: 0;
  margin: 0;
}
.breveia-header__logo-svg {
  display: block;
  max-height: 64px;
  max-width: 200px;
  width: auto;
  height: auto;
  flex-shrink: 0;
  object-fit: contain;
}
.breveia-header__logo-img {
  display: block;
  /* Logo aumentada: de 42px → 56px (header subiu de 64px → 72px).
     Mantém proporção via width:auto e object-fit:contain. */
  max-height: 56px;
  max-width: min(320px, 48vw);
  width: auto;
  height: auto;
  flex-shrink: 0;
  object-fit: contain;
  object-position: left center;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  outline: none;
  -webkit-tap-highlight-color: transparent;
  backface-visibility: hidden;
  transform: translateZ(0);
}
.breveia-header__logo-text {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: #ffffff;
  white-space: nowrap;
}
.breveia-header__logo-text .ia { color: var(--dourado); }

@media (max-width: 720px) {
  .breveia-header__inner { padding: 0 var(--sp-4); gap: var(--sp-5); }
  .breveia-header__logo-img,
  .breveia-header__logo-svg {
    max-height: 48px;
    max-width: min(260px, 56vw);
  }
  .breveia-header__logo-text { font-size: 16px; }
}
@media (max-width: 400px) {
  .breveia-header__logo-img,
  .breveia-header__logo-svg {
    max-height: 40px;
    max-width: min(200px, 52vw);
  }
}

.breveia-header__search {
  flex: 1;
  max-width: 480px;
  position: relative;
  display: flex;
  align-items: center;
  align-self: center;
  min-width: 0;
}
.breveia-header__search-input {
  width: 100%;
  height: var(--header-search-h);
  padding: 0 var(--sp-4) 0 var(--sp-10);
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--r-pill);
  font-size: 14px;
  color: var(--header-text);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.breveia-header__search-input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}
.breveia-header__search-input:focus {
  outline: none;
  border-color: rgba(212, 166, 60, 0.55);
  background: rgba(0, 0, 0, 0.35);
  box-shadow: 0 0 0 2px rgba(212, 166, 60, 0.2);
}
.breveia-header__search-icon {
  position: absolute;
  left: var(--sp-3);
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.45);
  pointer-events: none;
}

.breveia-header__nav {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
}
.breveia-header__nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--header-text-muted);
  transition: color var(--transition);
}
.breveia-header__nav-link:hover,
.breveia-header__nav-link.active {
  color: var(--header-text);
}

.breveia-header__bell {
  position: relative;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.82);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.breveia-header__bell:hover {
  background: rgba(212, 166, 60, 0.12);
  border-color: rgba(212, 166, 60, 0.35);
  color: var(--header-text);
}
.breveia-header__bell-badge {
  position: absolute;
  top: -2px; right: -2px;
  min-width: 18px; height: 18px;
  padding: 0 5px;
  background: var(--dourado);
  color: var(--azul-escuro);
  border-radius: var(--r-pill);
  font-size: 10px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--header-bg-deep);
}
.breveia-header__bell-badge.alto { background: var(--vermelho); color: #fff; }

.breveia-header__avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--azul-medio), var(--azul));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  transition: transform var(--transition);
}
.breveia-header__avatar:hover { transform: scale(1.05); }

/* ---------- FOOTER (shell escuro alinhado ao header) ---------- */
.breveia-footer {
  margin-top: var(--sp-16);
  padding: 0;
  background: var(--header-bg);
  border-top: 1px solid var(--shell-line);
  color: rgba(255, 255, 255, 0.78);
  text-align: left;
}
.breveia-footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--sp-12) var(--sp-6) var(--sp-8);
}
.breveia-footer__grid {
  display: grid;
  grid-template-columns: minmax(200px, 1.15fr) minmax(0, 2fr);
  gap: var(--sp-10);
  align-items: start;
}
.breveia-footer__intro {
  min-width: 0;
}
.breveia-footer__logo-link {
  display: inline-block;
  margin: 0;
  padding: 0;
  background: none;
  border: 0;
  box-shadow: none;
  line-height: 0;
  text-decoration: none;
  border-radius: 0;
}
.breveia-footer__logo-link:focus-visible {
  outline: none;
  border-radius: var(--r-sm);
  box-shadow: 0 0 0 2px var(--shell-bg-deep), 0 0 0 4px rgba(212, 166, 60, 0.45);
}
.breveia-footer__logo-img {
  display: block;
  height: 32px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  object-position: left center;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
.breveia-footer__brand {
  font-weight: 700;
  font-size: 18px;
  color: var(--shell-text);
  letter-spacing: -0.02em;
}
.breveia-footer__brand .ia { color: var(--dourado); }
.breveia-footer__tagline {
  font-size: 14px;
  line-height: 1.5;
  margin: var(--sp-4) 0 0;
  max-width: 34ch;
  color: rgba(255, 255, 255, 0.58);
}
.breveia-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-8);
}
.breveia-footer__col-title {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.42);
  margin-bottom: var(--sp-3);
}
.breveia-footer__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.breveia-footer__col li { margin-bottom: var(--sp-2); }
.breveia-footer__col a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  transition: color var(--transition);
}
.breveia-footer__col a:hover { color: var(--dourado-claro); }
.breveia-footer__col a:focus-visible {
  outline: none;
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-focus);
}
.breveia-footer__bottom {
  margin-top: var(--sp-10);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--shell-line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-4);
}
.breveia-footer__copy {
  margin: 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--font-mono);
}
.breveia-footer__meta {
  margin: 0;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.38);
}

@media (max-width: 900px) {
  .breveia-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }
  .breveia-footer__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 520px) {
  .breveia-footer__cols {
    grid-template-columns: 1fr;
  }
  .breveia-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- UTILITÁRIOS ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.text-mono { font-family: var(--font-mono); }
.text-secondary { color: var(--texto-secundario); }
.text-azul { color: var(--azul); }
.text-dourado { color: var(--dourado); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }

.mt-2 { margin-top: var(--sp-2); }
.mt-4 { margin-top: var(--sp-4); }
.mt-6 { margin-top: var(--sp-6); }
.mb-4 { margin-bottom: var(--sp-4); }

/* Scrollbar customizada (webkit) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--fundo); }
::-webkit-scrollbar-thumb { background: var(--borda); border-radius: var(--r-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--texto-secundario); }