/* ============================================================
   GUÍA VISUAL DE GIT — styles.css
   ============================================================ */

/* ── Variables ── */
:root {
  --bg: #0d1117;
  --bg-card: #161b22;
  --bg-card2: #1c2330;
  --bg-code: #0d1117;
  --border: #30363d;
  --border-soft: #21262d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #f05032; /* Git orange-red */
  --accent2: #f78166;
  --green: #3fb950;
  --blue: #58a6ff;
  --yellow: #d29922;
  --purple: #bc8cff;
  --cyan: #39d353;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

/* ── Reset ── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
}

/* ============================================================
   HEADER
   ============================================================ */
header {
  background: linear-gradient(135deg, #1a0a05 0%, #160b1a 50%, #0d1117 100%);
  border-bottom: 1px solid var(--border);
  padding: 2rem 2rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  max-width: 1300px;
  margin: 0 auto;
  padding-bottom: 1.2rem;
}

.git-logo svg {
  width: 52px;
  height: 52px;
  filter: drop-shadow(0 0 10px rgba(240, 80, 50, 0.5));
}

h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
}
h1 span {
  color: var(--accent);
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 2px;
}

/* ── Table of contents nav ── */
.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  max-width: 1300px;
  margin: 0 auto;
  overflow-x: auto;
  padding-bottom: 0;
}

.toc a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius) var(--radius) 0 0;
  transition: all 0.2s;
  white-space: nowrap;
  border: 1px solid transparent;
  border-bottom: none;
}
.toc a:hover {
  color: var(--accent);
  background: rgba(240, 80, 50, 0.1);
  border-color: var(--border);
}

/* ============================================================
   MAIN
   ============================================================ */
main {
  max-width: 1300px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
}

/* ── Sections ── */
section {
  margin-bottom: 4rem;
  padding-top: 1rem;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 2px solid var(--border);
}

.section-icon {
  font-size: 1.6rem;
}

.section-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}
.section-header h2 code {
  font-family: var(--font-mono);
  color: var(--accent2);
  font-size: 1rem;
  background: rgba(240, 80, 50, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
}

.section-desc {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.93rem;
}

/* ============================================================
   CARDS GRID
   ============================================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1rem;
  margin-top: 1.2rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  position: relative;
  transition:
    border-color 0.2s,
    transform 0.2s;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(240, 80, 50, 0.15);
}

.card-wide {
  grid-column: span 2;
}

@media (max-width: 800px) {
  .card-wide {
    grid-column: span 1;
  }
}

.card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  color: var(--text);
  padding-right: 4rem;
}

.card-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

/* ── Card tags ── */
.card-tag {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.tag-config {
  background: rgba(188, 140, 255, 0.15);
  color: var(--purple);
  border: 1px solid rgba(188, 140, 255, 0.3);
}
.tag-init {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}
.tag-status {
  background: rgba(88, 166, 255, 0.15);
  color: var(--blue);
  border: 1px solid rgba(88, 166, 255, 0.3);
}
.tag-staging {
  background: rgba(210, 153, 34, 0.15);
  color: var(--yellow);
  border: 1px solid rgba(210, 153, 34, 0.3);
}
.tag-commit {
  background: rgba(240, 80, 50, 0.15);
  color: var(--accent2);
  border: 1px solid rgba(240, 80, 50, 0.3);
}
.tag-branch {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}
.tag-merge {
  background: rgba(88, 166, 255, 0.15);
  color: var(--blue);
  border: 1px solid rgba(88, 166, 255, 0.3);
}
.tag-remote {
  background: rgba(57, 211, 83, 0.15);
  color: var(--cyan);
  border: 1px solid rgba(57, 211, 83, 0.3);
}
.tag-tag {
  background: rgba(210, 153, 34, 0.15);
  color: var(--yellow);
  border: 1px solid rgba(210, 153, 34, 0.3);
}
.tag-stash {
  background: rgba(188, 140, 255, 0.15);
  color: var(--purple);
  border: 1px solid rgba(188, 140, 255, 0.3);
}
.tag-advanced {
  background: rgba(240, 80, 50, 0.15);
  color: var(--accent2);
  border: 1px solid rgba(240, 80, 50, 0.3);
}
.tag-ignore {
  background: rgba(139, 148, 158, 0.15);
  color: var(--text-muted);
  border: 1px solid rgba(139, 148, 158, 0.3);
}
.tag-alias {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

/* ============================================================
   CODE BLOCKS
   ============================================================ */
pre {
  background: var(--bg-code);
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.7;
  position: relative;
}
pre::after {
  content: "clic para copiar";
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: 0.65rem;
  color: var(--text-muted);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
pre:hover::after {
  opacity: 1;
}

code {
  font-family: var(--font-mono);
  color: var(--text);
}

/* Sintaxis de colores */
.c-comment {
  color: #6e7681;
  font-style: italic;
}
.c-string {
  color: #a5d6ff;
}

/* Colores del git graph */
.gc-sha {
  color: var(--yellow);
}
.gc-ref {
  color: var(--purple);
  font-weight: 600;
}
.gc-yellow {
  color: var(--yellow);
}
.gc-blue {
  color: var(--blue);
}
.gc-green {
  color: var(--green);
}

/* ============================================================
   RESULT / WARNING BOXES
   ============================================================ */
.result-box {
  margin-top: 0.8rem;
  background: rgba(63, 185, 80, 0.08);
  border-left: 3px solid var(--green);
  border-radius: 0 6px 6px 0;
  padding: 0.6rem 0.8rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.result-box code {
  color: var(--green);
  font-size: 0.8rem;
}

.warning-box {
  margin-top: 0.8rem;
  background: rgba(210, 153, 34, 0.1);
  border-left: 3px solid var(--yellow);
  border-radius: 0 6px 6px 0;
  padding: 0.6rem 0.8rem;
  font-size: 0.82rem;
  color: #e3b341;
}
.warning-box code {
  color: #e3b341;
  font-size: 0.8rem;
}

/* ============================================================
   SECCIÓN 1 — Config levels diagram
   ============================================================ */
.levels-diagram {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  margin: 1.2rem 0 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  position: relative;
}

.level {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  text-align: center;
  flex: 1;
  min-width: 150px;
}
.level-system {
  background: rgba(139, 148, 158, 0.1);
  border: 1px solid rgba(139, 148, 158, 0.3);
}
.level-global {
  background: rgba(88, 166, 255, 0.1);
  border: 1px solid rgba(88, 166, 255, 0.3);
}
.level-local {
  background: rgba(63, 185, 80, 0.1);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.level-label {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
}
.level-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.level-desc code {
  color: var(--text-muted);
  font-size: 0.72rem;
}

.level-arrow {
  color: var(--text-muted);
  font-size: 1.2rem;
  padding: 0 0.5rem;
}

.level-priority {
  position: absolute;
  bottom: 6px;
  right: 12px;
  font-size: 0.7rem;
  color: var(--green);
}

/* ============================================================
   SECCIÓN 2 — Diagrama flow
   ============================================================ */
.diagram-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.flow-node {
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius);
  text-align: center;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.4;
}
.flow-remote {
  background: rgba(88, 166, 255, 0.15);
  border: 1px solid rgba(88, 166, 255, 0.4);
  color: var(--blue);
}
.flow-local {
  background: rgba(63, 185, 80, 0.15);
  border: 1px solid rgba(63, 185, 80, 0.4);
  color: var(--green);
}
.flow-new {
  background: rgba(240, 80, 50, 0.15);
  border: 1px solid rgba(240, 80, 50, 0.4);
  color: var(--accent2);
}

.flow-arrow {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  white-space: nowrap;
}

/* ============================================================
   SECCIÓN 3 — Git graph output
   ============================================================ */
.git-graph {
  margin-top: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.graph-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.7rem 1rem;
  background: var(--bg-card2);
  border-bottom: 1px solid var(--border);
}
.graph-title code {
  color: var(--accent2);
}

.graph-output {
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background: var(--bg-code);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.graph-line {
  display: flex;
  gap: 0.4rem;
  line-height: 1.8;
}

/* ============================================================
   SECCIÓN 4 — Three zones
   ============================================================ */
.three-zones {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.zone {
  flex: 1;
  min-width: 160px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.5rem 1rem;
  border-radius: var(--radius);
  text-align: center;
}
.zone-wd {
  background: rgba(88, 166, 255, 0.1);
  border: 1px solid rgba(88, 166, 255, 0.3);
}
.zone-staging {
  background: rgba(210, 153, 34, 0.1);
  border: 1px solid rgba(210, 153, 34, 0.3);
}
.zone-repo {
  background: rgba(63, 185, 80, 0.1);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.zone-title {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text);
}
.zone-icon {
  font-size: 2rem;
}
.zone-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.zone-transition {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 0.5rem;
  gap: 0.4rem;
}

.zt-cmd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  background: var(--bg-card);
  padding: 3px 8px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

/* ============================================================
   SECCIÓN 5 — Conventional commits
   ============================================================ */
.convention-box {
  margin-top: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.convention-box h4 {
  font-size: 0.95rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.convention-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.conv-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 0.4rem 0.6rem;
  background: var(--bg-code);
  border-radius: 6px;
  border: 1px solid var(--border-soft);
}

.conv-type {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 4px;
  white-space: nowrap;
}
.type-feat {
  background: rgba(63, 185, 80, 0.2);
  color: var(--green);
}
.type-fix {
  background: rgba(240, 80, 50, 0.2);
  color: var(--accent2);
}
.type-docs {
  background: rgba(88, 166, 255, 0.2);
  color: var(--blue);
}
.type-style {
  background: rgba(188, 140, 255, 0.2);
  color: var(--purple);
}
.type-refactor {
  background: rgba(57, 211, 83, 0.2);
  color: var(--cyan);
}
.type-test {
  background: rgba(210, 153, 34, 0.2);
  color: var(--yellow);
}
.type-chore {
  background: rgba(139, 148, 158, 0.2);
  color: var(--text-muted);
}
.type-break {
  background: rgba(240, 80, 50, 0.3);
  color: #ff6b6b;
  border: 1px solid rgba(240, 80, 50, 0.5);
}

.convention-example {
  margin-top: 1rem;
  background: var(--bg-code);
  border: 1px solid var(--border-soft);
}

/* ── Reset diagram ── */
.reset-diagram {
  margin-top: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.reset-diagram h4 {
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
  color: var(--text);
}

.rd-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.rd-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  flex: 1;
  min-width: 130px;
}

.rd-box {
  padding: 0.8rem 1rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.85rem;
  text-align: center;
  width: 100%;
}
.rd-commit {
  background: rgba(88, 166, 255, 0.15);
  border: 1px solid rgba(88, 166, 255, 0.4);
  color: var(--blue);
}
.rd-staging {
  background: rgba(210, 153, 34, 0.15);
  border: 1px solid rgba(210, 153, 34, 0.4);
  color: var(--yellow);
}
.rd-wd {
  background: rgba(63, 185, 80, 0.15);
  border: 1px solid rgba(63, 185, 80, 0.4);
  color: var(--green);
}

.rd-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.4;
}
.rd-arrow {
  color: var(--accent2);
  font-size: 1.1rem;
  font-weight: 700;
}

/* ============================================================
   SECCIÓN 7 — Merge/Rebase diagram
   ============================================================ */
.merge-rebase-diagram {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

@media (max-width: 700px) {
  .merge-rebase-diagram {
    grid-template-columns: 1fr;
  }
}

.mrd-col h4 {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
  text-align: center;
}
.mrd-col h4 code {
  color: var(--accent2);
}

.branch-viz {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.bv-offset {
  padding-left: 2rem;
}

.bv-commit {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
}
.bv-main {
  background: rgba(88, 166, 255, 0.3);
  border: 2px solid var(--blue);
  color: var(--blue);
}
.bv-feat {
  background: rgba(63, 185, 80, 0.3);
  border: 2px solid var(--green);
  color: var(--green);
}
.bv-merge {
  background: rgba(240, 80, 50, 0.3);
  border: 2px solid var(--accent2);
  color: var(--accent2);
}

.bv-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  width: 100%;
  margin-top: 2px;
}

.bv-spacer {
  width: 38px;
}
.bv-connector {
  font-size: 0.9rem;
  color: var(--green);
}

/* Status table */
.status-table {
  border-collapse: collapse;
  font-size: 0.8rem;
  width: 100%;
}
.status-table td {
  padding: 3px 8px;
  vertical-align: middle;
}

.badge {
  display: inline-block;
  width: 20px;
  height: 20px;
  border-radius: 3px;
  text-align: center;
  line-height: 20px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.75rem;
}
.badge-green {
  background: rgba(63, 185, 80, 0.3);
  color: var(--green);
}
.badge-red {
  background: rgba(240, 80, 50, 0.3);
  color: var(--accent2);
}
.badge-yellow {
  background: rgba(210, 153, 34, 0.3);
  color: var(--yellow);
}

/* ============================================================
   SECCIÓN 8 — Remote diagram
   ============================================================ */
.remote-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.rd-remote,
.rd-local {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  min-width: 160px;
  text-align: center;
}
.rd-remote {
  background: rgba(88, 166, 255, 0.1);
  border: 1px solid rgba(88, 166, 255, 0.3);
}
.rd-local {
  background: rgba(63, 185, 80, 0.1);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.rd-remote-icon,
.rd-local-icon {
  font-size: 2rem;
}
.rd-remote-label,
.rd-local-label {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text);
}

.rd-remote-branches,
.rd-local-branches {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: center;
}

.rb,
.lb {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 20px;
}
.rb {
  background: rgba(88, 166, 255, 0.2);
  color: var(--blue);
  border: 1px solid rgba(88, 166, 255, 0.3);
}
.lb {
  background: rgba(63, 185, 80, 0.2);
  color: var(--green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}
.lb.active {
  background: rgba(240, 80, 50, 0.2);
  color: var(--accent2);
  border-color: rgba(240, 80, 50, 0.4);
}

.rd-arrows {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
}
.rd-arr-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--bg-code);
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
}
.arr-label {
  font-family: var(--font-mono);
}
.arr-down,
.arr-up {
  font-size: 1rem;
}

/* ============================================================
   SECCIÓN 10 — Stash flow
   ============================================================ */
.stash-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.sf-node {
  padding: 0.8rem 1.4rem;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.5;
}
.sf-wd {
  background: rgba(88, 166, 255, 0.15);
  border: 1px solid rgba(88, 166, 255, 0.4);
  color: var(--blue);
}
.sf-stash {
  background: rgba(188, 140, 255, 0.15);
  border: 1px solid rgba(188, 140, 255, 0.4);
  color: var(--purple);
}

.sf-arrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ============================================================
   SECCIÓN 11 — Bisect diagram
   ============================================================ */
.bisect-diagram {
  margin-top: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.bisect-diagram h4 {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 1rem;
}
.bisect-diagram h4 code {
  color: var(--accent2);
}

.bisect-commits {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
}

.bc {
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--bg-code);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.bc.good {
  background: rgba(63, 185, 80, 0.2);
  border-color: var(--green);
  color: var(--green);
}
.bc.bad {
  background: rgba(240, 80, 50, 0.2);
  border-color: var(--accent2);
  color: var(--accent2);
}
.bc.bisect-check {
  background: rgba(210, 153, 34, 0.2);
  border-color: var(--yellow);
  color: var(--yellow);
}

.bisect-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   SECCIÓN 12 — Gitignore tips
   ============================================================ */
.gitignore-tips {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.2rem;
}

.gi-tip {
  display: flex;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  align-items: flex-start;
}

.gi-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.gi-tip strong {
  display: block;
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.gi-tip pre {
  margin-bottom: 0.4rem;
}

.gi-tip p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ============================================================
   SECCIÓN 13 — Alias table
   ============================================================ */
.alias-table {
  margin-top: 1rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.at-row {
  display: grid;
  grid-template-columns: 1fr 1.8fr 1.2fr;
  gap: 0;
  font-size: 0.8rem;
}
.at-row > div {
  padding: 0.5rem 0.8rem;
  border-bottom: 1px solid var(--border-soft);
  border-right: 1px solid var(--border-soft);
}
.at-row > div:last-child {
  border-right: none;
}
.at-row:last-child > div {
  border-bottom: none;
}

.at-header {
  background: var(--bg-card2);
  font-weight: 700;
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.at-row:not(.at-header) {
  color: var(--text-muted);
}
.at-row:not(.at-header):hover > div {
  background: rgba(255, 255, 255, 0.02);
}
.at-row code {
  color: var(--green);
  font-size: 0.78rem;
}

/* ============================================================
   CHEATSHEET
   ============================================================ */
.cheatsheet-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.cheatsheet-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.cs-group {
  background: var(--bg-code);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 1rem;
}
.cs-group h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent2);
  margin-bottom: 0.7rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-soft);
}

.cs-item {
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.78rem;
}
.cs-item:last-child {
  border-bottom: none;
}
.cs-item code {
  color: var(--text-muted);
  font-size: 0.76rem;
  transition: color 0.2s;
}
.cs-item:hover code {
  color: var(--green);
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.82rem;
}
.footer-sub {
  margin-top: 0.3rem;
  font-size: 0.72rem;
  opacity: 0.6;
}

/* ============================================================
   BOTÓN VOLVER ARRIBA
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  transition:
    opacity 0.3s,
    transform 0.2s,
    box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(240, 80, 50, 0.4);
  z-index: 999;
}
.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(240, 80, 50, 0.6);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 600px) {
  header {
    padding: 1rem 1rem 0;
  }
  main {
    padding: 1rem 1rem 3rem;
  }

  h1 {
    font-size: 1.4rem;
  }

  .levels-diagram,
  .three-zones,
  .diagram-flow,
  .stash-flow,
  .remote-diagram {
    flex-direction: column;
  }

  .zone-transition {
    flex-direction: row;
  }

  .merge-rebase-diagram {
    grid-template-columns: 1fr;
  }

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

/* ============================================================
   SCROLLBAR CUSTOM
   ============================================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-card);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ── Selection ── */
::selection {
  background: rgba(240, 80, 50, 0.35);
  color: #fff;
}