/* ─── Variáveis ──────────────────────────────────────────────────────────── */
:root {
  --verde: #1E4D2B;
  --verde-claro: #D4EDDA;
  --verde-hover: #163d22;
  --texto: #1a1a1a;
  --texto-suave: #555;
  --borda: #e0e0e0;
  --fundo-alt: #f8f8f6;
  --radius: 8px;
  --radius-lg: 12px;
  --sombra: 0 1px 3px rgba(0,0,0,0.08);
  --max-width: 1100px;
  --narrow: 740px;
}

/* ─── Reset base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, sans-serif; color: var(--texto); line-height: 1.65; background: #fff; }
a { color: var(--verde); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ─── Utilitários ────────────────────────────────────────────────────────── */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: var(--narrow); }
.page { padding: 48px 0 80px; }
.page__header { margin-bottom: 40px; }
.page__header h1 { font-size: 2rem; margin-bottom: 8px; }
.page__header p { color: var(--texto-suave); font-size: 1.1rem; }

/* ─── Botões ─────────────────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; border-radius: var(--radius); font-size: 14px; font-weight: 500; cursor: pointer; border: 1.5px solid transparent; transition: all .15s; text-decoration: none; }
.btn--primary { background: var(--verde); color: #fff; border-color: var(--verde); }
.btn--primary:hover { background: var(--verde-hover); text-decoration: none; }
.btn--outline { background: transparent; border-color: var(--borda); color: var(--texto); }
.btn--outline:hover { border-color: var(--verde); color: var(--verde); text-decoration: none; }
.btn--ghost { background: transparent; color: var(--texto); }
.btn--ghost:hover { background: var(--fundo-alt); text-decoration: none; }
.btn--success { background: #198754; color: #fff; border-color: #198754; }
.btn--lg { padding: 12px 24px; font-size: 15px; }
.btn--sm { padding: 6px 12px; font-size: 13px; }

/* ─── Badges / Pills / Tags ──────────────────────────────────────────────── */
.badge { display: inline-block; font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 20px; text-transform: uppercase; letter-spacing: .4px; }
.badge--iniciante { background: #D4EDDA; color: #1E4D2B; }
.badge--intermediario { background: #FFF3CD; color: #856404; }
.badge--avancado { background: #F8D7DA; color: #842029; }
.badge--success { background: #D4EDDA; color: #1E4D2B; }
.pill { display: inline-block; padding: 5px 14px; border-radius: 20px; font-size: 13px; border: 1px solid var(--borda); color: var(--texto-suave); }
.pill--ativo { background: var(--verde); color: #fff; border-color: var(--verde); }
.tag { display: inline-block; font-size: 12px; padding: 3px 9px; background: var(--fundo-alt); border-radius: 4px; color: var(--texto-suave); }
.tag--ativa { background: var(--verde-claro); color: var(--verde); }

/* ─── Navbar ─────────────────────────────────────────────────────────────── */
.navbar { border-bottom: 1px solid var(--borda); background: #fff; position: sticky; top: 0; z-index: 100; }
.navbar__inner { display: flex; align-items: center; gap: 24px; height: 60px; }
.navbar__logo { display: flex; align-items: center; gap: 8px; font-size: 15px; color: var(--texto); font-weight: 400; text-decoration: none; }
.navbar__logo strong { font-weight: 700; }
.logo-icon { font-size: 20px; }
.navbar__links { display: flex; gap: 20px; flex: 1; margin-left: 16px; }
.navbar__links a { font-size: 14px; color: var(--texto-suave); }
.navbar__links a:hover { color: var(--verde); text-decoration: none; }
.navbar__auth { display: flex; gap: 8px; align-items: center; margin-left: auto; }

/* ─── Hero ───────────────────────────────────────────────────────────────── */
.hero { padding: 72px 0 64px; text-align: center; border-bottom: 1px solid var(--borda); }
.hero .badge { background: var(--verde-claro); color: var(--verde); margin-bottom: 20px; font-size: 12px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.2; margin-bottom: 16px; }
.hero h1 em { font-style: normal; color: var(--verde); }
.hero p { font-size: 1.15rem; color: var(--texto-suave); max-width: 560px; margin: 0 auto 32px; }
.hero__actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ─── Sections ───────────────────────────────────────────────────────────── */
.section { padding: 64px 0; }
.section--alt { background: var(--fundo-alt); }
.section__titulo { font-size: 1.5rem; margin-bottom: 28px; }
.section__cta { text-align: center; margin-top: 36px; }

/* ─── Grid ───────────────────────────────────────────────────────────────── */
.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

/* ─── Card tutorial ──────────────────────────────────────────────────────── */
.card { border: 1px solid var(--borda); border-radius: var(--radius-lg); background: #fff; overflow: hidden; transition: box-shadow .15s; }
.card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
.card__img { width: 100%; height: 160px; object-fit: cover; }
.card__body { padding: 18px; }
.card__meta { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 12px; color: var(--texto-suave); }
.card__titulo { font-size: 15px; margin-bottom: 8px; line-height: 1.4; }
.card__titulo a { color: var(--texto); }
.card__titulo a:hover { color: var(--verde); }
.card__resumo { font-size: 13px; color: var(--texto-suave); line-height: 1.55; margin-bottom: 12px; }
.card__tags { display: flex; gap: 6px; flex-wrap: wrap; }

/* ─── Filtros ────────────────────────────────────────────────────────────── */
.filters { margin-bottom: 36px; display: flex; flex-direction: column; gap: 14px; }
.filters__busca { display: flex; gap: 8px; }
.filters__busca input { flex: 1; padding: 9px 14px; border: 1px solid var(--borda); border-radius: var(--radius); font-size: 14px; }
.filters__nivel, .filters__tags { display: flex; gap: 8px; flex-wrap: wrap; }

/* ─── Tutorial detalhe ───────────────────────────────────────────────────── */
.tutorial__header { margin-bottom: 40px; border-bottom: 1px solid var(--borda); padding-bottom: 32px; }
.tutorial__meta { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--texto-suave); margin-bottom: 16px; }
.tutorial__header h1 { font-size: 2rem; line-height: 1.25; margin-bottom: 12px; }
.tutorial__resumo { font-size: 1.1rem; color: var(--texto-suave); }
.tutorial__tags { margin-top: 14px; display: flex; gap: 6px; flex-wrap: wrap; }
.tutorial__concluir { margin: 40px 0; padding: 24px; background: var(--fundo-alt); border-radius: var(--radius-lg); text-align: center; }
.tutorial__relacionados { margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--borda); }
.tutorial__relacionados h3 { margin-bottom: 20px; }

/* ─── Prose (conteúdo do tutorial) ──────────────────────────────────────── */
.prose { line-height: 1.8; font-size: 16px; }
.prose h2 { font-size: 1.4rem; margin: 2rem 0 1rem; }
.prose h3 { font-size: 1.1rem; margin: 1.5rem 0 .75rem; }
.prose p { margin-bottom: 1.2rem; }
.prose code { background: var(--fundo-alt); padding: 2px 6px; border-radius: 4px; font-size: .9em; }
.prose pre { background: #1e1e1e; color: #d4d4d4; padding: 20px; border-radius: var(--radius); overflow-x: auto; margin: 1.5rem 0; }
.prose pre code { background: none; padding: 0; color: inherit; }
.prose ul, .prose ol { padding-left: 1.5rem; margin-bottom: 1.2rem; }
.prose li { margin-bottom: .4rem; }
.prose blockquote { border-left: 3px solid var(--verde); padding-left: 16px; color: var(--texto-suave); margin: 1.5rem 0; }

/* ─── Perfil ─────────────────────────────────────────────────────────────── */
.perfil { display: grid; grid-template-columns: 260px 1fr; gap: 40px; }
.perfil__sidebar { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.perfil__avatar { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; }
.perfil__avatar-placeholder { width: 80px; height: 80px; border-radius: 50%; background: var(--verde); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 2rem; font-weight: 700; }
.stats-grid { display: flex; gap: 20px; margin-bottom: 32px; }
.stat { background: var(--fundo-alt); border-radius: var(--radius); padding: 16px 24px; text-align: center; }
.stat__num { display: block; font-size: 2rem; font-weight: 700; color: var(--verde); }
.stat__label { font-size: 12px; color: var(--texto-suave); }
.leituras-lista { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.leitura-item { display: flex; align-items: center; gap: 10px; padding: 12px; border: 1px solid var(--borda); border-radius: var(--radius); }

/* ─── Editar perfil / Settings ───────────────────────────────────────────── */
.settings-header { margin-bottom: 32px; }
.settings-header h1 { font-size: 1.7rem; margin-bottom: 4px; }
.settings-header p { color: var(--texto-suave); font-size: 14px; }

.settings-layout { display: grid; grid-template-columns: 220px 1fr; gap: 24px; align-items: start; }

.settings-avatar-card {
  background: #fff; border: 1px solid var(--borda); border-radius: var(--radius-lg);
  padding: 24px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.settings-avatar-preview {
  width: 96px; height: 96px; border-radius: 50%; object-fit: cover; background: var(--verde);
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 2.2rem; font-weight: 700;
}
.settings-avatar-card input[type="file"] { display: none; }
.settings-avatar-label {
  display: inline-block; font-size: 13px; font-weight: 500; color: var(--verde);
  border: 1px solid var(--verde-claro); background: var(--verde-claro);
  padding: 7px 14px; border-radius: var(--radius); cursor: pointer;
}
.settings-avatar-label:hover { background: #c3e6cb; }
.settings-avatar-hint { font-size: 12px; color: var(--texto-suave); }

.settings-form-card { background: #fff; border: 1px solid var(--borda); border-radius: var(--radius-lg); padding: 28px 32px; }

.field-section { margin-bottom: 28px; }
.field-section:last-of-type { margin-bottom: 0; }
.field-section__title { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .4px; color: var(--texto-suave); margin-bottom: 16px; }
.field-section + .field-section { padding-top: 24px; border-top: 1px solid var(--borda); }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field-row .form-group { margin-bottom: 0; }

.settings-form-card .form-group { margin-bottom: 16px; }
.settings-form-card .form-group:last-child { margin-bottom: 0; }
.settings-form-card textarea,
.settings-form-card select {
  width: 100%; padding: 10px 14px; border: 1px solid var(--borda);
  border-radius: var(--radius); font-size: 14px; font-family: inherit; background: #fff;
}
.settings-form-card textarea:focus,
.settings-form-card select:focus { outline: none; border-color: var(--verde); }
.settings-form-card textarea { resize: vertical; }

.newsletter-toggle {
  display: flex; align-items: flex-start; gap: 12px; background: var(--fundo-alt);
  border-radius: var(--radius); padding: 14px 16px;
}
.newsletter-toggle input { margin-top: 3px; width: auto; }
.newsletter-toggle__text strong { display: block; font-size: 14px; margin-bottom: 2px; }
.newsletter-toggle__text span { font-size: 12.5px; color: var(--texto-suave); }

.settings-actions { display: flex; gap: 10px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--borda); }

@media (max-width: 700px) {
  .settings-layout { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
}

/* ─── Footer ─────────────────────────────────────────────────────────────── */
.footer { border-top: 1px solid var(--borda); background: var(--fundo-alt); padding: 48px 0 24px; }
.footer__inner { display: flex; gap: 60px; margin-bottom: 32px; }
.footer__brand { flex: 1; display: flex; flex-direction: column; gap: 8px; font-size: 14px; color: var(--texto-suave); }
.footer__brand strong { color: var(--texto); font-size: 15px; }
.footer__newsletter { display: flex; flex-direction: column; gap: 10px; }
.footer__newsletter p { font-size: 14px; font-weight: 500; }
.input-group { display: flex; gap: 8px; }
.input-group input { padding: 9px 14px; border: 1px solid var(--borda); border-radius: var(--radius); font-size: 14px; min-width: 220px; }
.footer__bottom { font-size: 13px; color: var(--texto-suave); border-top: 1px solid var(--borda); padding-top: 20px; }

/* ─── Messages ───────────────────────────────────────────────────────────── */
.messages { position: fixed; top: 70px; right: 20px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.message { padding: 12px 18px; border-radius: var(--radius); font-size: 14px; box-shadow: var(--sombra); }
.message--success { background: #D4EDDA; color: #1E4D2B; }
.message--error { background: #F8D7DA; color: #842029; }
.message--info { background: #D1ECF1; color: #0c5460; }

/* ─── Empty state ────────────────────────────────────────────────────────── */
.empty { text-align: center; padding: 64px 0; color: var(--texto-suave); }

/* ─── Auth: layout split (código + formulário) ──────────────────────────── */
.auth-page { padding: 48px 20px 80px; }
.auth-shell {
  display: grid; grid-template-columns: 1fr 1fr;
  max-width: 880px; margin: 0 auto;
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,0.10);
  background: #fff;
}

/* Painel de código */
.auth-code {
  background: #14181A;
  display: flex; flex-direction: column;
}
.auth-code__chrome {
  display: flex; align-items: center; gap: 6px;
  padding: 14px 18px; border-bottom: 1px solid #1f2623;
}
.auth-code__dot { width: 9px; height: 9px; border-radius: 50%; }
.auth-code__dot--red { background: #E2685A; }
.auth-code__dot--yellow { background: #E8B339; }
.auth-code__dot--green { background: #5FAE6E; }
.auth-code__filename {
  margin-left: 8px; font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 12px; color: #8a9a91;
}
.auth-code pre {
  margin: 0; padding: 28px 24px; flex: 1;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 13.5px; line-height: 1.9; color: #d4d8d2;
  white-space: pre-wrap; word-break: break-word;
}
.auth-code .kw { color: #E8B339; }
.auth-code .fn { color: #7FB8E8; }
.auth-code .str { color: #8FCB87; }
.auth-code .cm { color: #6b7670; }
.auth-code .cursor {
  display: inline-block; width: 7px; height: 15px; background: #E8B339;
  vertical-align: middle; animation: auth-blink 1s step-end infinite;
}
@keyframes auth-blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .auth-code .cursor { animation: none; }
}

/* Painel de formulário */
.auth-form-panel {
  background: var(--fundo-alt);
  padding: 44px 40px;
  display: flex; flex-direction: column; justify-content: center;
}
.auth-prompt {
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 12px; color: var(--texto-suave); margin-bottom: 22px;
}
.auth-prompt .accent { color: var(--verde); font-weight: 600; }
.auth-form-panel h1 { font-size: 1.5rem; margin-bottom: 6px; }
.auth-sub { color: var(--texto-suave); font-size: 14px; margin-bottom: 26px; }
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; }
.form-group input,
.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="password"] {
  width: 100%; padding: 10px 14px; border: 1px solid var(--borda);
  border-radius: var(--radius); font-size: 14px; background: #fff;
}
.form-group input:focus { outline: none; border-color: var(--verde); }
.form-row { display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.checkbox-label { display: flex; align-items: center; gap: 6px; color: var(--texto-suave); cursor: pointer; }
.checkbox-label input { width: auto; }
.auth-link { font-size: 13px; }
.btn--block { width: 100%; justify-content: center; }
.auth-footer { margin-top: 22px; text-align: center; font-size: 14px; color: var(--texto-suave); }
.form-error { background: #F8D7DA; color: #842029; padding: 10px 14px; border-radius: var(--radius); font-size: 13px; }
.field-error { color: #842029; font-size: 12px; margin-top: 4px; }

/* Páginas auxiliares (sem painel de código): card centralizado simples */
.auth-card-simple {
  max-width: 400px; margin: 0 auto; background: #fff;
  border: 1px solid var(--borda); border-radius: var(--radius-lg);
  padding: 40px 36px; box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.auth-card-simple--center { text-align: center; }
.auth-card-simple h1 { font-size: 1.4rem; margin-bottom: 8px; }

@media (max-width: 760px) {
  .auth-shell { grid-template-columns: 1fr; max-width: 100%; }
  .auth-code { display: none; }
  .auth-form-panel { padding: 32px 24px; }
  .auth-page { padding: 24px 16px 60px; }
  .auth-card-simple { padding: 32px 20px; }
}

@media (max-width: 768px) {
  /* ── Container e espaçamento base ── */
  .container { padding: 0 16px; }
  .page { padding: 32px 0 60px; }
  .page__header h1 { font-size: 1.6rem; }

  /* ── Navbar ── */
  .navbar__links { display: none; }
  .navbar__inner { padding: 0 16px; }
  /*.navbar__auth .btn--ghost { display: none; }*/ /* esconde "Entrar" — mantém só "Começar grátis" */
  .navbar__auth .btn--primary { display: none;}
  /* ── Hero ── */
  .hero { padding: 40px 0 32px; }
  .hero h1 { font-size: clamp(1.6rem, 6vw, 2.5rem); }
  .hero p { font-size: 1rem; }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { width: 100%; max-width: 320px; justify-content: center; }

  /* ── Sections ── */
  .section { padding: 40px 0; }
  .section__titulo { font-size: 1.3rem; }

  /* ── Grids ── */
  .grid--2 { grid-template-columns: 1fr; }
  .grid--3 { grid-template-columns: 1fr; }

  /* ── Tutorial detalhe ── */
  .tutorial__header h1 { font-size: 1.5rem; }
  .tutorial__meta { flex-wrap: wrap; gap: 8px; }
  .prose { font-size: 15px; }
  .prose pre { padding: 14px; font-size: 13px; border-radius: 6px; }

  /* ── Perfil ── */
  .perfil { grid-template-columns: 1fr; }
  .stats-grid { flex-wrap: wrap; }

  /* ── Settings / editar perfil ── */
  .settings-layout { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .settings-form-card { padding: 20px 16px; }

  /* ── Footer ── */
  .footer { padding: 32px 0 20px; }
  .footer__inner { flex-direction: column; gap: 24px; }
  .input-group { flex-direction: column; }
  .input-group input { min-width: unset; width: 100%; }

  /* ── Previne overflow horizontal ── */
  body { overflow-x: hidden; }
  img, video, pre, table { max-width: 100%; }

  /* garante padding lateral */
  .container--narrow {
    padding-left: 16px;
    padding-right: 16px;
  }

  .perfil, .settings-layout {
    padding-left: 16px;
    padding-right: 16px;
  }
}