/* ============================================================================
   BASE STYLES - ESTILOS FUNDAMENTALES
   ============================================================================
   Este archivo contiene los estilos base que son agnósticos al tema
   (reset, tipografía, elementos HTML básicos, layout fundamental)
   ============================================================================ */

/* ========== Reset y Base ========== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.6;
  transition: var(--transition-colors);
  overflow-x: hidden;
}

/* ========== Tipografía ========== */
h1 {
  font-family: var(--font-headings);
  font-size: 1.875rem;
  font-weight: 400;
  margin-bottom: var(--space-6);
}

h2 {
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: var(--space-5);
}

h3 {
  font-family: var(--font-headings);
  font-size: 1.4rem;
  font-weight: 400;
  margin-top: var(--space-12);
}

h4 {
  font-family: var(--font-headings);
  font-size: 0.875rem;
  font-weight: 500;
}

h5 {
  font-family: var(--font-headings);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: var(--space-3);
}

h6 {
  font-family: var(--font-headings);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--space-2);
}

p {
  color: var(--text-secondary);
  margin: 0 0 var(--space-4) 0;
  line-height: 1.6;
  font-weight: 300;
}

code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius);
  font-weight: 400;
}

/* ========== Layout Principal ========== */
.main-layout {
  display: flex;
  min-height: 100vh;
}

.request-title {
  margin-top: var(--space-6);
}

/* ========== Navbar ========== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--bg-primary);
  height: 3.5rem;
  backdrop-filter: blur(8px);
}

.navbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

.navbar-brand:hover {
  color: var(--brand-primary);
}

.navbar-brand-icon {
  font-size: 1.25rem;
  color: var(--text-primary);
}

.brand-icon-img {
  height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
}

.brand-badge {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 300;
  padding: 0.45rem 0.15rem;
  border-radius: var(--radius);
  line-height: 1;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 300;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: var(--transition-colors);
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: none;
  border: 1px solid var(--border-primary);
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 300;
  transition: var(--transition-colors);
}

.theme-toggle:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.navbar-logo {
  width: auto;
  object-fit: contain;
  transition: var(--transition);
}

.navbar-logo-dark {
  height: 2.5rem;
  max-width: 12rem;
}

.navbar-logo-light {
  height: 2.5rem;
  max-width: 12rem;
}

.navbar-logo:hover {
  opacity: 0.8;
}

/* ========== Hero Logo ========== */
.hero-logo {
  text-align: center;
  margin-bottom: var(--space-6);
}

.hero-logo-img {
  width: auto;
  max-width: 100%;
  object-fit: contain;
  transition: var(--transition);
}

.hero-logo-dark {
  height: clamp(5rem, 15vw, 15rem);
}

.hero-logo-light {
  height: clamp(5rem, 15vw, 15rem);
}

.footer-logo {
  height: 12rem;
  width: auto;
  max-width: 19rem;
  object-fit: contain;
  margin-bottom: var(--space-2);
}

/* ========== Sidebar ========== */
.sidebar {
  width: 16rem;
  background-color: var(--bg-secondary);
  overflow-y: auto;
  padding: var(--space-6) 0;
  position: fixed;
  top: 3.5rem;
  left: 0;
  height: calc(100vh - 3.5rem);
  z-index: 30;
}

.sidebar-section {
  margin-bottom: var(--space-6);
  padding: 0 var(--space-6);
}

.sidebar-title {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.sidebar-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-nav-item {
  margin-bottom: var(--space-1);
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 300;
  transition: var(--transition-colors);
  line-height: 1.4;
}

.sidebar-nav-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}

.sidebar-nav-link.active {
  color: var(--brand-primary);
  background-color: var(--bg-tertiary);
  font-weight: 400;
}

/* ========== Main Content ========== */
.main-content {
  flex: 1;
  margin-left: 16rem;
  margin-right: 14rem;
  padding: var(--space-6);
  max-width: calc(100vw - 30rem);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.main-content.no-toc {
  margin-right: 0;
  max-width: calc(100vw - 16rem);
}

.main-content > * {
  width: 100%;
  max-width: 1024px;
}

.main-content.no-toc > * {
  max-width: 1200px;
}

/* ========== Footer ========== */
.footer {
  background-color: var(--bg-secondary);
  padding: var(--space-16) 0;
  margin-top: var(--space-20);
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  text-align: center;
}

.footer-title {
  font-family: var(--font-headings);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.footer-subtitle {
  font-family: var(--font-headings);
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  font-weight: 300;
}

.footer-license {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  font-weight: 300;
}

.footer-license a {
  color: var(--text-primary);
  text-decoration: underline;
  transition: color 0.2s ease;
}

.footer-license a:hover {
  color: var(--text-accent);
}

.footer-bottom {
  border-top: 1px solid var(--border-primary);
  padding-top: var(--space-8);
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.6;
  font-weight: 300;
}

/* ========== TOC Sidebar ========== */
.toc-sidebar {
  width: 14rem;
  background-color: var(--bg-primary);
  border-left: 1px solid var(--border-primary);
  position: fixed;
  top: 3.5rem;
  right: 0;
  height: calc(100vh - 3.5rem);
  overflow-y: auto;
  padding: var(--space-6) 0;
  z-index: 20;
  transition: var(--transition);
  scroll-behavior: smooth;
}

.toc-header {
  padding: 0 var(--space-4);
  margin-bottom: var(--space-4);
}

.toc-header h6 {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
}

.toc-nav {
  padding: 0 var(--space-2);
}

.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc-item {
  margin-bottom: var(--space-1);
}

.toc-link {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1.4;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border-left: 2px solid transparent;
  position: relative;
  margin: 1px 0;
}

.toc-link:hover {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  transform: translateX(1px);
}

.toc-link.active {
  color: var(--brand-primary);
  background-color: var(--bg-secondary);
  border-left-color: var(--brand-primary);
  font-weight: 400;
  transform: translateX(2px);
}

.toc-item.level-2 .toc-link {
  padding-left: var(--space-5);
  font-size: 0.8125rem;
}

.toc-item.level-3 .toc-link {
  padding-left: var(--space-6);
  font-size: 0.75rem;
}

.toc-item.level-4 .toc-link {
  padding-left: var(--space-8);
  font-size: 0.75rem;
}

.toc-sidebar::-webkit-scrollbar {
  width: 4px;
}

.toc-sidebar::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

.toc-sidebar::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: 2px;
}

.toc-sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--border-secondary);
}

.toc-debug [data-toc-exclude="true"] {
  outline: 2px dashed rgba(255, 0, 0, 0.3);
  outline-offset: 2px;
}

.toc-debug [data-toc-exclude="true"]::before {
  content: "TOC Excluded";
  position: absolute;
  top: -1.5rem;
  left: 0;
  font-size: 0.75rem;
  color: red;
  background: rgba(255, 0, 0, 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  z-index: 1000;
}

/* ========== Loading Spinner ========== */
.loading-spinner {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-8);
}

.loading-spinner i {
  font-size: 1.5rem;
  color: var(--text-primary);
}

/* ========== Mobile Menu ========== */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: var(--space-2);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 25;
}

/* ========== Method Badge Base ========== */
.method-badge {
  font-size: 0.625rem;
  font-weight: 400;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius);
  text-transform: uppercase;
  letter-spacing: 0.025em;
  line-height: 1;
  min-width: 3rem;
  text-align: center;
  background-color: var(--bg-buttons);
  color: var(--text-button);
  border: 1px solid var(--border-primary);
}

/* ========== Responsive Design ========== */

/* Large screens (1201px+) */
@media (min-width: 1201px) {
  .footer.with-toc .footer-content {
    max-width: calc(1280px - 16rem - 12rem);
    margin-left: calc(16rem + (100vw - 1280px) / 2);
    margin-right: calc(12rem + (100vw - 1280px) / 2);
  }

  .footer.no-toc .footer-content {
    max-width: calc(1280px - 16rem);
    margin-left: calc(16rem + (100vw - 1280px) / 2);
    margin-right: calc((100vw - 1280px) / 2);
  }

  .main-content {
    margin-left: 16rem;
    margin-right: 14rem;
    padding: var(--space-6) var(--space-8);
    max-width: calc(100vw - 30rem);
  }

  .main-content.no-toc {
    margin-right: 0;
    max-width: calc(100vw - 16rem);
  }

  .sidebar {
    position: fixed;
    transform: translateX(0);
  }

  .toc-sidebar {
    display: block;
  }

  .main-content.no-toc ~ .toc-sidebar {
    display: none;
  }

  .mobile-menu-toggle {
    display: none;
  }

  .sidebar-overlay {
    display: none !important;
  }
}

/* Medium screens (1025px - 1200px) */
@media (min-width: 1025px) and (max-width: 1200px) {
  .main-content > * {
    max-width: 900px;
  }

  .footer.with-toc .footer-content {
    padding: 0 var(--space-6);
    max-width: calc(100vw - 16rem - 12rem);
    margin-left: 16rem;
    margin-right: 12rem;
  }

  .footer.no-toc .footer-content {
    padding: 0 var(--space-6);
    max-width: calc(100vw - 16rem);
    margin-left: 16rem;
    margin-right: 0;
  }
}

/* Tablets and smaller (768px - 1024px) */
@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    width: 18rem;
    z-index: 40;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.open {
    display: block;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .main-content {
    margin-left: 0;
    margin-right: 0;
    padding: var(--space-4) var(--space-6);
    max-width: 100vw;
  }

  .main-content.no-toc {
    margin-right: 0;
    max-width: 100vw;
  }

  .toc-sidebar {
    display: none;
  }

  .footer-content {
    margin: 0 auto;
    max-width: 100%;
    padding: 0 var(--space-6);
  }

  .navbar-nav {
    display: none;
  }

  .navbar-nav.mobile-nav {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-primary);
    flex-direction: column;
    padding: var(--space-4);
    gap: var(--space-2);
    box-shadow: var(--shadow-lg);
  }

  .nav-link {
    padding: var(--space-3);
    border-radius: var(--radius-md);
    text-align: left;
  }

  .theme-toggle {
    width: 100%;
    justify-content: flex-start;
  }
}

/* Small screens (481px - 768px) */
@media (max-width: 768px) {
  .navbar-content {
    padding: 0 var(--space-4);
  }

  .navbar-logo {
    width: auto;
  }

  .navbar-logo-dark {
    height: 2rem;
    max-width: 7rem;
  }

  .navbar-logo-light {
    height: 2rem;
    max-width: 7rem;
  }

  .footer-logo {
    height: 9rem;
    max-width: 12rem;
  }

  .footer-content {
    padding: 0 var(--space-4);
  }

  .main-content {
    padding: var(--space-4);
    margin-right: 0 !important;
    max-width: 100vw !important;
  }

  .toc-sidebar {
    display: none !important;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .sidebar {
    width: 85vw;
    max-width: 20rem;
  }

  .sidebar-nav-link {
    font-size: 0.875rem;
    padding: var(--space-3);
  }

  .method-badge {
    font-size: 0.625rem;
    padding: 0.25rem 0.375rem;
    min-width: 3rem;
  }
}

/* Extra small screens (360px - 480px) */
@media (max-width: 480px) {
  .navbar-content {
    padding: 0 var(--space-3);
  }

  .main-content {
    padding: var(--space-3);
    margin-right: 0 !important;
    max-width: 100vw !important;
  }

  .toc-sidebar {
    display: none !important;
  }

  .footer-content {
    padding: 0 var(--space-4);
  }
}

/* Micro screens (< 360px) */
@media (max-width: 360px) {
  .navbar-content {
    padding: 0 var(--space-2);
  }

  .main-content {
    padding: var(--space-2);
    margin-right: 0 !important;
    max-width: 100vw !important;
  }

  .toc-sidebar {
    display: none !important;
  }

  .sidebar {
    width: 90vw;
  }
}