/* ==========================================================================
   Sistema de diseño: inspirado en Geist (Vercel) — negro/blanco como base,
   radios chicos, tipografía sans compacta, acento monocromo por defecto y
   7 familias de color (blue/red/amber/green/teal/purple/pink, tal como las
   documenta vercel.com/geist/colors) mapeadas 1 a 1 con los 7 `tipo` de la
   wiki. No son los hex propietarios exactos de Vercel (no expuestos en el
   HTML estático) — son una reconstrucción fiel del mismo lenguaje visual.
   ========================================================================== */

:root {
  --bg: #000000;
  --bg-elevated: #0a0a0a;
  --bg-elevated-2: #141414;
  --bg-elevated-3: #1f1f1f;
  --border: #262626;
  --border-hover: #404040;
  --text: #ededed;
  --text-secondary: #a1a1a1;
  --muted: #737373;

  --grid-dot: #1a1a1a;

  --radius-sm: 6px;
  --radius-md: 8px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* acento por defecto (monocromo, estilo botón "Deploy") */
  --accent: #ededed;
  --accent-contrast: #000000;

  /* 7 familias -> 7 tipos de nodo */
  --c-obra: #3291ff;       /* blue */
  --c-autor: #f7b955;      /* amber */
  --c-personaje: #12b5b0;  /* teal */
  --c-arquetipo: #9a6ff5;  /* purple */
  --c-mito: #f5455c;       /* red */
  --c-tema: #4cc38a;       /* green */
  --c-concepto: #f45fa6;   /* pink */

  --edge: #262626;
  --edge-lit: #6e6e6e;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --bg-elevated: #fafafa;
    --bg-elevated-2: #f2f2f2;
    --bg-elevated-3: #e8e8e8;
    --border: #e5e5e5;
    --border-hover: #cccccc;
    --text: #171717;
    --text-secondary: #525252;
    --muted: #737373;

    --grid-dot: #ededed;

    --accent: #171717;
    --accent-contrast: #ffffff;

    --c-obra: #0060e6;
    --c-autor: #b5730a;
    --c-personaje: #067b79;
    --c-arquetipo: #6e45e3;
    --c-mito: #d5323f;
    --c-tema: #12805c;
    --c-concepto: #d6338a;

    --edge: #e5e5e5;
    --edge-lit: #a3a3a3;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

:focus-visible {
  outline: 2px solid var(--c-obra);
  outline-offset: 2px;
}

/* ---------- Botones (primitivas reusables) ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 32px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}
.btn-primary {
  background: var(--accent);
  color: var(--accent-contrast);
}
.btn-primary:hover { opacity: 0.85; }
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover { background: var(--bg-elevated-2); border-color: var(--border-hover); }

.icon-btn {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.icon-btn:hover { background: var(--bg-elevated-2); color: var(--text); }

/* ---------- Layout general ---------- */

#topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 18px;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 20;
}

#brand { display: flex; align-items: baseline; gap: 9px; white-space: nowrap; }
#brand-mark {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--bg);
  background: var(--text);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.02em;
}
#brand-title {
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

#search-wrap { position: relative; flex: 0 1 340px; }
#search {
  width: 100%;
  height: 32px;
  padding: 0 12px;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 13px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
#search::placeholder { color: var(--muted); }
#search:focus {
  outline: none;
  border-color: var(--border-hover);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-obra) 22%, transparent);
}
#search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0; right: 0;
  max-height: 320px;
  overflow-y: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  display: none;
  z-index: 30;
}
#search-results.show { display: block; }
.search-item {
  padding: 8px 12px;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.search-item:last-child { border-bottom: none; }
.search-item:hover { background: var(--bg-elevated-2); }
.search-item .dot { width: 6px; height: 6px; border-radius: 50%; flex: none; }
.search-item .tipo {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  margin-left: auto;
}

#legend {
  margin-left: auto;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}
.legend-item { display: flex; align-items: center; gap: 5px; }
.legend-item .dot { width: 6px; height: 6px; border-radius: 50%; }

#stage {
  position: fixed;
  inset: 0;
  cursor: grab;
  background-image: radial-gradient(var(--grid-dot) 1px, transparent 1px);
  background-size: 28px 28px;
}
#stage.dragging { cursor: grabbing; }
#graph-canvas { position: absolute; inset: 0; display: block; }

#hint {
  position: fixed;
  left: 20px;
  bottom: 16px;
  font-size: 12px;
  color: var(--muted);
  transition: opacity 0.6s ease;
  z-index: 15;
  pointer-events: none;
}
#hint.faded { opacity: 0; }

/* ---------- Panel lateral ---------- */

#panel {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(600px, 94vw);
  background: var(--bg-elevated);
  border-left: 1px solid var(--border);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.2);
  transform: translateX(0);
  transition: transform 0.4s cubic-bezier(.22,.8,.25,1);
  z-index: 25;
  display: flex;
  flex-direction: column;
}
#panel.hidden { transform: translateX(105%); }

#panel-close {
  position: absolute;
  top: 12px; right: 12px;
  z-index: 2;
}

#panel-anim {
  aspect-ratio: 16 / 9;
  flex: none;
  background:
    radial-gradient(ellipse at center, color-mix(in srgb, var(--node-color, var(--accent)) 16%, transparent) 0%, transparent 72%),
    var(--bg-elevated-2);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.node-anim { width: 100%; height: 100%; display: block; }
.node-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: var(--bg-elevated-2);
}

#panel-body { padding: 20px 22px 32px; overflow-y: auto; }

#panel-tipo {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--node-color, var(--accent));
  border: 1px solid color-mix(in srgb, var(--node-color, var(--accent)) 45%, var(--border));
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  margin-bottom: 12px;
}

#panel-titulo {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

#panel-detalle {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
}
#panel-detalle p {
  margin: 0 0 14px;
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
}
#panel-detalle strong { color: var(--text); font-weight: 600; }
#panel-detalle h3 {
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  margin: 26px 0 10px;
}
#panel-detalle h3:first-child { margin-top: 0; }
#panel-detalle h4 {
  color: var(--text);
  font-size: 13.5px;
  font-weight: 600;
  margin: 18px 0 8px;
}
#panel-detalle blockquote {
  margin: 0 0 14px;
  padding: 4px 14px;
  border-left: 2px solid var(--node-color, var(--accent));
  color: var(--text);
  font-style: italic;
}
#panel-detalle ul, #panel-detalle ol {
  margin: 0 0 14px;
  padding-left: 20px;
}
#panel-detalle li { margin-bottom: 6px; }
#panel-detalle hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 20px 0;
}
#panel-detalle table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 14px;
  font-size: 13px;
}
#panel-detalle th, #panel-detalle td {
  border: 1px solid var(--border);
  padding: 6px 8px;
  text-align: left;
}
#panel-detalle th {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  background: var(--bg-elevated-2);
}
#panel-detalle code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
}
a.wiki-link {
  color: var(--node-color, var(--text));
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--node-color, var(--text)) 40%, transparent);
  cursor: pointer;
}
a.wiki-link:hover { border-bottom-color: var(--node-color, var(--text)); }

/* ---------- Popover de hover (estilo Wikipedia page preview) ---------- */

#hover-preview {
  position: fixed;
  z-index: 18;
  width: 280px;
  pointer-events: none;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  padding: 14px 16px;
  opacity: 1;
  transition: opacity 0.15s ease;
}
#hover-preview.hidden { opacity: 0; }

#hover-preview-tipo {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--node-color, var(--accent));
  margin-bottom: 6px;
}
#hover-preview-titulo {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--text);
}
#hover-preview-resumen {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

#panel-meta {
  margin: 16px 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

#panel-conexiones h3 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--muted);
  margin: 20px 0 10px;
  font-weight: 500;
}
#panel-conexiones-list { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: 12.5px;
  padding: 4px 9px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated-2);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.chip:hover { border-color: var(--chip-color, var(--border-hover)); color: var(--chip-color, var(--text)); }

/* ---------- Breadcrumbs ---------- */

#breadcrumbs {
  position: fixed;
  left: 20px;
  bottom: 16px;
  display: flex;
  gap: 4px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
  z-index: 16;
  max-width: 60vw;
  flex-wrap: wrap;
}
#breadcrumbs .crumb {
  cursor: pointer;
  padding: 3px 7px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
#breadcrumbs .crumb:hover { background: var(--bg-elevated-2); color: var(--text); }
#breadcrumbs .crumb.current { color: var(--text); font-weight: 600; }
#breadcrumbs .sep { opacity: 0.5; }

/* ---------- Acerca de ---------- */

#about-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 1;
  transition: opacity 0.25s ease;
}
#about-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

#about-modal {
  position: relative;
  width: min(560px, 100%);
  max-height: 84vh;
  overflow-y: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
  padding: 36px 32px 32px;
  transform: translateY(0);
  transition: transform 0.25s ease;
}
#about-overlay.hidden #about-modal {
  transform: translateY(10px);
}

#about-close {
  position: absolute;
  top: 14px;
  right: 14px;
}

#about-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-obra);
  margin: 0 0 10px;
}

#about-body h2 {
  font-size: 21px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
}

#about-body h3 {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 22px 0 8px;
  font-weight: 500;
}
#about-body h3:first-of-type { margin-top: 0; }

#about-body p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
  text-align: justify;
  hyphens: auto;
  margin: 0;
}

#about-body code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
}

/* ---------- Animaciones: keyframes ---------- */

@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.045); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.3); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.anim-dash {
  stroke-dasharray: 30;
  animation-name: dashFlow;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}
@keyframes dashFlow {
  0% { stroke-dashoffset: 30; }
  50% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -30; }
}

.anim-write {
  animation-name: writeLine;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
}
@keyframes writeLine {
  0% { stroke-dashoffset: 220; }
  45% { stroke-dashoffset: 0; }
  60% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -220; }
}

.anim-ring { animation: ringGrow 3.6s ease-out infinite; }
@keyframes ringGrow {
  0% { r: 20; opacity: 0.35; }
  100% { r: 56; opacity: 0; }
}

.anim-swoop { animation: swoop 3.2s ease-in-out infinite; }
@keyframes swoop {
  0%   { transform: translate(0px, 0px); opacity: 0; }
  10%  { opacity: 1; }
  45%  { transform: translate(-68px, 68px); opacity: 1; }
  55%  { transform: translate(-68px, 68px); opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translate(0px, 0px); opacity: 0; }
}

.anim-wound { animation: woundFlash 3.2s ease-in-out infinite; }
@keyframes woundFlash {
  0%, 40%, 60%, 100% { opacity: 0; }
  48%, 52% { opacity: 1; }
}

.anim-fall { animation: fallLoop 4.5s ease-in infinite; }
@keyframes fallLoop {
  0%   { transform: translateY(-20px); opacity: 0; }
  8%   { opacity: 1; }
  85%  { opacity: 1; }
  100% { transform: translateY(150px); opacity: 0; }
}

.anim-spin-slow { animation: spin 10s linear infinite; }
.anim-spin-rev  { animation: spin 7s linear infinite reverse; }
.anim-spin-fast { animation: spin 4s linear infinite; }

.anim-river { animation: riverFlow 6s linear infinite; }
@keyframes riverFlow {
  from { transform: translateX(0); }
  to   { transform: translateX(-80px); }
}

.anim-twitch { animation: twitch 3s ease-in-out infinite; }
@keyframes twitch {
  0%, 46%, 100% { transform: translateX(0); }
  50% { transform: translateX(2px); }
  53% { transform: translateX(-2px); }
  56% { transform: translateX(0); }
}

.anim-flash { animation: flash 3s ease-in-out infinite; }
@keyframes flash {
  0%, 44%, 60%, 100% { opacity: 0; }
  48%, 52% { opacity: 1; }
}

.anim-rock { animation: rock 4.2s ease-in-out infinite; }
@keyframes rock {
  0%, 100% { transform: rotate(-5deg); }
  50% { transform: rotate(5deg); }
}

.anim-vapor { animation: vaporRise 3.6s ease-out infinite; }
@keyframes vaporRise {
  0%   { transform: translateY(0); opacity: 0; }
  15%  { opacity: 0.6; }
  80%  { opacity: 0; }
  100% { transform: translateY(-26px); opacity: 0; }
}

.anim-sway { animation: sway 5s ease-in-out infinite; }
@keyframes sway {
  0%, 100% { transform: rotate(-3deg); }
  50% { transform: rotate(3deg); }
}

.anim-slither { animation: slither 3.4s ease-in-out infinite; }
@keyframes slither {
  0% { stroke-dashoffset: 90; }
  50% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -90; }
}

.anim-approach { animation: approach 4.5s ease-in-out infinite; }
@keyframes approach {
  0%   { transform: translateX(0); }
  35%  { transform: translateX(46px); }
  75%  { transform: translateX(46px); }
  100% { transform: translateX(0); }
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  #legend { display: none; }
  #topbar { gap: 12px; }
  #breadcrumbs { max-width: 92vw; }
}