/* ============================
   LADY COBOL — Tutorial styles
   ============================ */

/* Herda variáveis do style.css */

/* ============================
   LAYOUT DO TUTORIAL
   ============================ */
.tutorial-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 100px 24px 80px;
  align-items: start;
}

/* ============================
   SIDEBAR
   ============================ */
.sidebar {
  position: sticky;
  top: 90px;
}
.sidebar-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pink);
  margin-bottom: 16px;
}
.sidebar-nav {
  background: var(--pink-bg);
  border: 1px solid rgba(255,107,174,0.15);
  border-radius: var(--radius);
  padding: 20px;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.83rem;
  color: var(--gray);
  padding: 8px 10px;
  border-radius: 8px;
  transition: var(--transition);
  font-weight: 500;
}
.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: rgba(255,107,174,0.12);
  color: var(--pink-dark);
}
.sidebar-nav a.active { font-weight: 700; }
.sidebar-nav .nav-group-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #aaa;
  padding: 12px 10px 4px;
}
.sidebar-nav .nav-icon { font-size: 0.9rem; }
.sidebar-nav a.disabled { opacity: 0.45; pointer-events: none; }

/* ============================
   CONTEÚDO DO TUTORIAL
   ============================ */
.tutorial-content {
  min-width: 0;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--gray);
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--pink); font-weight: 500; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep { color: #ccc; }

/* Cabeçalho do artigo */
.article-header { margin-bottom: 40px; }
.article-tag {
  display: inline-block;
  background: rgba(255,107,174,0.12);
  color: var(--pink-dark);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.article-header h1 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 14px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.82rem;
  color: var(--gray);
  flex-wrap: wrap;
}
.article-meta span { display: flex; align-items: center; gap: 6px; }
.article-intro {
  font-size: 1.05rem;
  color: var(--gray);
  line-height: 1.8;
  padding: 20px 24px;
  background: var(--pink-bg);
  border-left: 4px solid var(--pink);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 40px;
}

/* Índice do artigo */
.toc {
  background: #F8F8FF;
  border: 1px solid rgba(155,89,182,0.15);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 48px;
}
.toc-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--purple);
  margin-bottom: 14px;
}
.toc ol {
  list-style: decimal;
  padding-left: 20px;
}
.toc li { margin-bottom: 6px; }
.toc a {
  font-size: 0.88rem;
  color: var(--purple-dark);
  font-weight: 500;
  transition: var(--transition);
}
.toc a:hover { color: var(--pink); }

/* Tipografia dos artigos */
.article-body h2 {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--dark);
  margin: 48px 0 16px;
  padding-top: 8px;
  border-top: 2px solid rgba(255,107,174,0.15);
}
.article-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin: 32px 0 12px;
}
.article-body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--purple);
  margin: 24px 0 8px;
}
.article-body p {
  font-size: 0.97rem;
  color: #444;
  line-height: 1.85;
  margin-bottom: 18px;
}
.article-body ul, .article-body ol {
  padding-left: 22px;
  margin-bottom: 18px;
}
.article-body li {
  font-size: 0.95rem;
  color: #444;
  line-height: 1.7;
  margin-bottom: 6px;
}
.article-body strong { color: var(--dark); font-weight: 700; }
.article-body em { color: var(--pink-dark); font-style: normal; font-weight: 600; }

/* Caixas especiais */
.box {
  border-radius: var(--radius);
  padding: 22px 26px;
  margin: 28px 0;
  font-size: 0.92rem;
  line-height: 1.75;
}
.box-title {
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.box-analogy {
  background: #FFF8E7;
  border: 1px solid #FFD966;
  border-left: 5px solid #F4B400;
}
.box-analogy .box-title { color: #B8860B; }
.box-tip {
  background: #F0FFF8;
  border: 1px solid #86EFAC;
  border-left: 5px solid #22C55E;
}
.box-tip .box-title { color: #166534; }
.box-warning {
  background: #FFF5F5;
  border: 1px solid #FCA5A5;
  border-left: 5px solid #EF4444;
}
.box-warning .box-title { color: #991B1B; }
.box-beginner {
  background: #FFF0F8;
  border: 1px solid var(--pink-light);
  border-left: 5px solid var(--pink);
}
.box-beginner .box-title { color: var(--pink-dark); }
.box-advanced {
  background: #F5F0FF;
  border: 1px solid #C4B5FD;
  border-left: 5px solid var(--purple);
}
.box-advanced .box-title { color: var(--purple-dark); }

/* Blocos de código */
.code-block {
  margin: 28px 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
}
.code-header {
  background: var(--dark);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.code-lang {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pink-light);
}
.code-label {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
}
.code-block pre {
  background: #1E1030;
  color: #E2D9F3;
  padding: 24px;
  overflow-x: auto;
  font-family: 'Courier New', Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 0;
}
/* Syntax highlighting COBOL */
.kw   { color: #FF79C6; font-weight: bold; }  /* keywords */
.div  { color: #50FA7B; font-weight: bold; }  /* divisions */
.str  { color: #F1FA8C; }                      /* strings/literals */
.num  { color: #BD93F9; }                      /* numbers */
.cmt  { color: #6272A4; font-style: italic; }  /* comments */
.pic  { color: #8BE9FD; }                      /* PIC clause */
.var  { color: #FFB86C; }                      /* variables */
.op   { color: #FF5555; }                      /* operators */

/* Tabelas */
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.88rem;
}
.article-body th {
  background: var(--pink);
  color: white;
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
}
.article-body td {
  padding: 11px 16px;
  border-bottom: 1px solid rgba(255,107,174,0.1);
  color: #444;
}
.article-body tr:nth-child(even) td { background: var(--pink-bg); }
.article-body tr:hover td { background: rgba(255,107,174,0.06); }

/* Navegação entre artigos */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 2px solid rgba(255,107,174,0.15);
}
.article-nav-btn {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 24px;
  background: var(--pink-bg);
  border: 1px solid rgba(255,107,174,0.15);
  border-radius: var(--radius);
  transition: var(--transition);
}
.article-nav-btn:hover {
  border-color: var(--pink);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.article-nav-btn.next { text-align: right; }
.nav-direction {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pink);
}
.nav-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--dark);
}

/* Responsivo */
@media (max-width: 900px) {
  .tutorial-layout {
    grid-template-columns: 1fr;
    padding-top: 90px;
  }
  .sidebar {
    position: static;
    display: none;
  }
  .article-nav { grid-template-columns: 1fr; }
}