/**
 * TUTORIALES.CSS - Estilos para la página de Tutoriales (RoomGoo)
 */

.main-content {
  padding-top: var(--header-height);
}

/* ==== HERO ==== */
.hero-section {
  background: linear-gradient(135deg, #FAFAFA 0%, #FFFFFF 100%);
  padding: 60px 0 28px;
  text-align: center;
}

.hero-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin: 18px 0 14px;
  letter-spacing: -1px;
}

.hero-description {
  font-size: 20px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 auto;
  max-width: 720px;
}

/* Badge */
.hero-section .section-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
}

.hero-section .badge-icon {
  width: 16px;
  height: 16px;
  stroke: var(--primary-color);
  stroke-width: 2;
}

/* ==== Buscador ==== */
.doc-search {
  margin: 26px auto 16px;
  max-width: 720px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.search-input {
  position: relative;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  stroke: var(--text-secondary);
  stroke-width: 2;
}

.search-input input {
  width: 100%;
  border: 0;
  outline: 0;
  padding: 14px 14px 14px 44px;
  font-size: 15px;
  color: var(--text-primary);
  background: transparent;
  font-family: inherit;
}

.search-input input::placeholder {
  color: var(--text-secondary);
  opacity: 0.85;
}

.doc-search .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
}

.doc-search .btn-primary {
  background: var(--primary-color);
  color: #fff;
  transition: var(--transition);
}

.doc-search .btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}

/* Chips */
.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: #fff;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.chip:hover {
  border-color: var(--primary-light);
  transform: translateY(-2px);
}

.chip-active {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}

.chip-active:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

/* ==== Secciones ==== */
.section {
  padding: 12px 0 80px;
}

.section-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin: 0;
}

.doc-toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-top: 12px;
  margin-bottom: 18px;
}

/* ==== Grid tutoriales ==== */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 18px;
}

.doc-card {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.doc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.doc-cover {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--light-bg);
  border-bottom: 1px solid var(--border-color);
}

.doc-cover-inner {
  padding: 26px 26px 22px;
}

.doc-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: #FFE5E5;
  color: #E31C5F;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.2px;
  margin-bottom: 14px;
}

.doc-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 10px;
  letter-spacing: -0.2px;
  line-height: 1.25;
}

.doc-excerpt {
  margin: 0;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 62ch;
}

.doc-meta {
  padding: 14px 26px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 13px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.meta-item svg {
  width: 16px;
  height: 16px;
  stroke: var(--text-secondary);
  stroke-width: 2;
}

.meta-dot {
  opacity: 0.6;
}

/* Empty state búsqueda */
.empty-search {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
}

.empty-search svg {
  color: var(--text-light);
  margin-bottom: 16px;
}

.empty-search h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.empty-search p {
  font-size: 14px;
  color: var(--text-secondary);
}

.empty-search a {
  color: var(--primary-color);
}

/* Help box */
.help-box {
  margin-top: 28px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 22px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.help-text h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 900;
  color: var(--text-primary);
}

.help-text p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.help-box .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  border-radius: 12px;
  font-weight: 800;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.help-box .btn-primary {
  background: var(--primary-color);
  color: #fff;
}

.help-box .btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}

/* =============================================
   VISTA ARTÍCULO INDIVIDUAL
   ============================================= */
.article-section {
  padding: 40px 0 80px;
}

.article-container {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Botón volver */
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 32px;
  transition: var(--transition);
}

.article-back:hover {
  color: var(--primary-color);
}

/* Header del artículo */
.article-header {
  margin-bottom: 40px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border-color);
}

.article-header .doc-tag {
  margin-bottom: 16px;
}

.article-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--text-primary);
  margin: 0 0 16px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

/* Cuerpo del artículo */
.article-body {
  font-size: 16.5px;
  line-height: 1.8;
  color: #333;
}

.article-body h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  margin: 48px 0 16px;
  letter-spacing: -0.5px;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 32px 0 12px;
}

.article-body h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 24px 0 8px;
}

.article-body p {
  margin: 0 0 16px;
}

.article-body ul,
.article-body ol {
  margin: 0 0 20px;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.article-body li strong {
  color: var(--text-primary);
}

/* Callouts */
.content-callout {
  padding: 18px 22px;
  border-radius: 12px;
  border-left: 4px solid var(--primary-color);
  background: rgba(255, 56, 92, 0.04);
  margin: 24px 0;
  font-size: 15px;
  line-height: 1.7;
}

.content-callout strong {
  color: var(--primary-color);
}

.content-callout.success {
  border-left-color: #00A699;
  background: rgba(0, 166, 153, 0.04);
}

.content-callout.success strong {
  color: #00A699;
}

.content-callout.warning {
  border-left-color: #FFB400;
  background: rgba(255, 180, 0, 0.04);
}

.content-callout.warning strong {
  color: #D49800;
}

/* Steps */
.content-steps {
  margin: 24px 0;
}

.step {
  display: flex;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-color);
}

.step:last-child {
  border-bottom: none;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-content h4 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--text-primary);
}

.step-content p {
  margin: 0;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Footer y navegación entre artículos */
.article-footer {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.nav-prev,
.nav-next {
  display: flex;
  flex-direction: column;
  padding: 18px 20px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  text-decoration: none;
  transition: var(--transition);
}

.nav-prev:hover,
.nav-next:hover {
  border-color: var(--primary-color);
  box-shadow: 0 2px 12px rgba(255, 56, 92, 0.1);
  transform: translateY(-2px);
}

.nav-next {
  text-align: right;
}

.nav-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary-color);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.nav-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

/* ==== CTA ==== */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
  color: white;
  text-align: center;
  padding: 100px 0;
}

.cta-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.cta-title {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-description {
  font-size: 18px;
  margin-bottom: 32px;
  opacity: 0.95;
}

.cta-actions {
  display: flex;
  justify-content: center;
}

.cta-actions a,
.cta-section .btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 28px;
  background: #ffffff;
  color: var(--primary-color);
  font-weight: 700;
  font-size: 18px;
  line-height: 1;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(0,0,0,.12);
  transition: transform .2s ease, box-shadow .2s ease;
}

.cta-actions a::after,
.cta-section .btn-white::after {
  content: "→";
  font-weight: 700;
}

.cta-actions a:hover,
.cta-section .btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(0,0,0,.16);
}

/* ==== Responsive ==== */
@media (max-width: 1024px) {
  .docs-grid { grid-template-columns: repeat(2, 1fr); }
  .doc-toolbar { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 768px) {
  .hero-section { padding-top: 40px; padding-bottom: 24px; }
  .hero-title { font-size: 32px; margin-top: 8px; }
  .hero-description { font-size: 16px; line-height: 1.5; }

  .doc-search { grid-template-columns: 1fr; gap: 10px; }

  .section { padding: 12px 0 60px; }
  .section-title { font-size: 28px; }

  .doc-cover-inner { padding: 18px 18px 16px; }
  .doc-meta { padding: 12px 18px 16px; }

  .docs-grid { grid-template-columns: 1fr; }

  .article-title { font-size: 28px; }
  .article-body h2 { font-size: 22px; }
  .article-body h3 { font-size: 18px; }
  .article-body { font-size: 15px; }

  .article-nav { grid-template-columns: 1fr; }

  .step { flex-direction: column; gap: 10px; }

  .cta-title { font-size: 32px; }
  .cta-actions a { padding: 14px 22px; font-size: 16px; border-radius: 10px; }

  .hero-section .section-badge { font-size: 13px; padding: 7px 14px; }
  .help-box { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 26px; }
  .hero-description { font-size: 15px; max-width: 90%; }

  .doc-title { font-size: 17px; }
  .doc-excerpt { font-size: 14px; }

  .search-input input { padding: 13px 12px 13px 42px; }

  .article-title { font-size: 24px; }
}