/* ============================================================
   Curso de Trading — sistema visual
   Estética CryptoBruj: neón magenta/púrpura, rejilla retrowave.
   Sin emojis. Iconografía Lucide (SVG inline).
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Superficies */
  --bg:            #08040f;
  --bg-elev:       #130a1f;
  --bg-elev-2:     #1b0f2b;
  --bg-inset:      #0c0617;
  --line:          #341b4d;
  --line-soft:     #241234;

  /* Texto */
  --tx:            #f2eaff;
  --tx-mid:        #b6a1d4;
  --tx-dim:        #7d689b;

  /* Neón — identidad de marca */
  --neon:          #e252ff;
  --neon-alt:      #a855f7;
  --neon-hot:      #ff6ad5;
  --neon-deep:     #7b18c9;
  --neon-glow:     rgba(226, 82, 255, .16);
  --neon-glow-2:   rgba(226, 82, 255, .38);
  --cyan:          #34e5ff;
  --cyan-glow:     rgba(52, 229, 255, .14);

  /* Semántica de mercado (no se tocan: significan algo) */
  --acc:           #35e17f;
  --acc-deep:      #16a34a;
  --acc-glow:      rgba(53, 225, 127, .13);
  --bear:          #ff4d6d;
  --bear-glow:     rgba(255, 77, 109, .13);
  --warn:          #ffb02e;
  --warn-glow:     rgba(255, 176, 46, .12);
  --info:          var(--cyan);
  --info-glow:     var(--cyan-glow);

  --radius:        14px;
  --radius-sm:     9px;
  --radius-lg:     20px;

  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --disp: "Orbitron", "Inter", sans-serif;

  --shadow: 0 1px 2px rgba(0,0,0,.5), 0 10px 40px rgba(0,0,0,.45);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4), 0 3px 12px rgba(0,0,0,.3);
  --shadow-neon: 0 0 0 1px rgba(226,82,255,.22), 0 6px 30px rgba(226,82,255,.16);

  --sidebar-w: 300px;
  --max-read: 72ch;
}

:root[data-tema="claro"] {
  --bg:          #f6f3fb;
  --bg-elev:     #ffffff;
  --bg-elev-2:   #faf7fe;
  --bg-inset:    #f0eaf8;
  --line:        #ded2ee;
  --line-soft:   #ebe3f6;

  --tx:          #1b1024;
  --tx-mid:      #5b4a72;
  --tx-dim:      #8b7aa3;

  --neon:        #a812c9;
  --neon-alt:    #7c3aed;
  --neon-hot:    #c026d3;
  --neon-deep:   #5b1096;
  --neon-glow:   rgba(168, 18, 201, .09);
  --neon-glow-2: rgba(168, 18, 201, .22);
  --cyan:        #0b8fa8;
  --cyan-glow:   rgba(11, 143, 168, .10);

  --acc:         #0f9950;
  --acc-deep:    #0b6b2f;
  --acc-glow:    rgba(15, 153, 80, .10);
  --bear:        #d61f43;
  --bear-glow:   rgba(214, 31, 67, .09);
  --warn:        #a56b06;
  --warn-glow:   rgba(165, 107, 6, .11);

  --shadow: 0 1px 2px rgba(30,10,45,.06), 0 10px 34px rgba(30,10,45,.08);
  --shadow-sm: 0 1px 2px rgba(30,10,45,.05), 0 2px 8px rgba(30,10,45,.05);
  --shadow-neon: 0 0 0 1px rgba(168,18,201,.18), 0 6px 24px rgba(168,18,201,.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--tx);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ---------- Fondo retrowave ---------- */
/* Resplandores de neón */
body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 18% -8%,  var(--neon-glow), transparent 62%),
    radial-gradient(ellipse 55% 42% at 88% 4%,   var(--cyan-glow),  transparent 60%),
    radial-gradient(ellipse 90% 38% at 50% 104%, var(--neon-glow),  transparent 66%);
  pointer-events: none; z-index: 0;
}
/* Suelo en perspectiva */
body::after {
  content: "";
  position: fixed;
  left: -60%; right: -60%; bottom: -6vh; height: 52vh;
  background-image:
    repeating-linear-gradient(90deg, var(--neon-glow-2) 0 1px, transparent 1px 82px),
    repeating-linear-gradient(0deg,  var(--neon-glow-2) 0 1px, transparent 1px 58px);
  transform: perspective(320px) rotateX(62deg);
  transform-origin: 50% 100%;
  opacity: .3;
  mask-image: linear-gradient(to top, #000 4%, transparent 82%);
  pointer-events: none; z-index: 0;
}
:root[data-tema="claro"] body::after { opacity: .5; }

h1,h2,h3,h4 { line-height: 1.2; font-weight: 660; letter-spacing: -.022em; margin: 0; }
h1 { font-size: clamp(1.95rem, 3.8vw, 2.9rem); letter-spacing: -.035em; }
h2 { font-size: clamp(1.4rem, 2.4vw, 1.78rem); letter-spacing: -.028em; }
h3 { font-size: 1.16rem; letter-spacing: -.018em; }
h4 { font-size: 1rem; }
p  { margin: 0 0 1.1em; }
a  { color: var(--neon); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

::selection { background: var(--neon-glow-2); color: var(--tx); }

/* Título cromado tipo CryptoBruj */
.cromo {
  font-family: var(--disp);
  font-weight: 800;
  letter-spacing: .01em;
  background: linear-gradient(178deg,
    #ffffff 0%, #ffe4ff 16%, var(--neon-hot) 42%,
    var(--neon) 62%, var(--neon-deep) 88%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  filter: drop-shadow(0 2px 0 rgba(0,0,0,.35)) drop-shadow(0 0 28px var(--neon-glow-2));
  text-transform: uppercase;
}
:root[data-tema="claro"] .cromo {
  background: linear-gradient(178deg, var(--neon-hot) 0%, var(--neon) 45%, var(--neon-deep) 100%);
  -webkit-background-clip: text; background-clip: text;
  filter: drop-shadow(0 1px 0 rgba(255,255,255,.6));
}

/* ---------- Scrollbar ---------- */
* { scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--line); border-radius: 6px; border: 3px solid var(--bg); }
*::-webkit-scrollbar-thumb:hover { background: var(--neon-deep); }

/* ---------- Iconos ---------- */
.ico { width: 1em; height: 1em; stroke: currentColor; fill: none;
       stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
       flex: none; display: inline-block; vertical-align: -.13em; }
.ico-lg { width: 1.35em; height: 1.35em; }

/* ============================================================
   ESQUELETO
   ============================================================ */
.app { display: flex; min-height: 100vh; position: relative; z-index: 1; }

/* ---------- Barra lateral ---------- */
.side {
  width: var(--sidebar-w); flex: none;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-elev) 72%, transparent);
  backdrop-filter: blur(16px);
  height: 100vh; position: sticky; top: 0;
  display: flex; flex-direction: column;
  z-index: 40;
}
.side-cab {
  padding: 15px 16px 14px;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 12px;
  background: linear-gradient(150deg, var(--neon-glow), transparent 72%);
  text-decoration: none; color: inherit;
  transition: background .16s;
}
.side-cab:hover { text-decoration: none; background: linear-gradient(150deg, var(--neon-glow-2), transparent 72%); }
.logo-mark {
  width: 40px; height: 40px; flex: none;
  filter: drop-shadow(0 0 14px var(--neon-glow-2));
}
.logo-tx { min-width: 0; display: block; }
.logo-tit { font-family: var(--disp); font-weight: 800; font-size: .82rem;
  letter-spacing: .05em; display: block; text-transform: uppercase; line-height: 1.25;
  background: linear-gradient(178deg, #fff 8%, #ffd6f8 40%, var(--neon-hot) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
:root[data-tema="claro"] .logo-tit { background: none; color: var(--tx); }
.logo-sub { font-size: .625rem; color: var(--neon); letter-spacing: .2em;
  text-transform: uppercase; font-weight: 700; display: block; }

.side-scroll { overflow-y: auto; flex: 1; padding: 8px 10px 26px; overscroll-behavior: contain; }

.nav-sec { margin-bottom: 4px; }
.nav-sec-tit {
  font-size: .63rem; text-transform: uppercase; letter-spacing: .16em;
  color: var(--tx-dim); font-weight: 700; padding: 16px 11px 9px;
}
.nav-sec-cab { display: flex; align-items: baseline; justify-content: space-between; gap: 8px;
  border-top: 1px solid var(--line); margin-top: 10px; }
.mini-btn {
  border: 0; background: none; cursor: pointer; padding: 0;
  font-family: inherit; font-size: .63rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--neon); opacity: .8; transition: opacity .13s;
}
.mini-btn:hover { opacity: 1; text-decoration: underline; text-underline-offset: 3px; }
.nav-a {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 11px; border-radius: var(--radius-sm);
  color: var(--tx-mid); font-size: .885rem; font-weight: 500;
  text-decoration: none; transition: background .13s, color .13s;
  position: relative;
}
.nav-a:hover { background: var(--bg-elev-2); color: var(--tx); text-decoration: none; }
.nav-a.on {
  background: linear-gradient(90deg, var(--neon-glow), transparent);
  color: var(--neon); font-weight: 620;
}
.nav-a.on::before {
  content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 2px;
  background: var(--neon); border-radius: 2px; box-shadow: 0 0 10px var(--neon);
}
.nav-a .ico { opacity: .85; }

/* ---------- Módulos plegables ---------- */
.mod {
  border-radius: 11px; margin-bottom: 5px;
  border: 1px solid transparent;
  transition: border-color .16s, background .16s;
}
.mod.abierto {
  background: color-mix(in srgb, var(--bg-inset) 62%, transparent);
  border-color: var(--line-soft);
}

.mod-cab {
  display: flex; align-items: center; gap: 11px; width: 100%;
  padding: 10px 11px; border: 0; background: none; cursor: pointer;
  color: var(--tx-mid); font-family: inherit; text-align: left;
  border-radius: 11px;
  transition: background .13s, color .13s;
}
.mod-cab:hover { background: var(--bg-elev-2); color: var(--tx); }
.mod.abierto > .mod-cab { color: var(--tx); }

.mod-num {
  font-family: var(--disp); font-size: .66rem; font-weight: 800;
  color: #fff; flex: none; letter-spacing: .02em; line-height: 1;
  width: 26px; height: 26px; border-radius: 8px;
  display: grid; place-items: center;
  background: linear-gradient(150deg,
    color-mix(in srgb, var(--mod-color, var(--neon)) 82%, #fff),
    var(--mod-color, var(--neon)));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.35),
              0 2px 8px color-mix(in srgb, var(--mod-color, var(--neon)) 30%, transparent);
  text-shadow: 0 1px 1px rgba(0,0,0,.3);
}
.mod.completo .mod-num { background: linear-gradient(150deg,
  color-mix(in srgb, var(--acc) 80%, #fff), var(--acc)); }

.mod-cab-tx { min-width: 0; flex: 1; }
.mod-cab-tit { font-size: .835rem; font-weight: 630; letter-spacing: -.014em;
  display: block; line-height: 1.3; }
.mod-cab-sub { font-size: .67rem; color: var(--tx-dim); display: flex;
  align-items: center; gap: 6px; line-height: 1.35; margin-top: 2px; }
.mod-pill { font-family: var(--mono); font-size: .6rem; font-weight: 700;
  color: var(--acc); background: var(--acc-glow); padding: 1.5px 5px; border-radius: 4px;
  border: 1px solid color-mix(in srgb, var(--acc) 26%, transparent); }

.mod-cab .chev {
  transition: transform .24s cubic-bezier(.4,0,.2,1), color .13s;
  color: var(--tx-dim); width: 16px; height: 16px; flex: none;
}
.mod-cab:hover .chev { color: var(--neon); }
.mod.abierto .chev { transform: rotate(180deg); color: var(--mod-color, var(--neon)); }

/* Despliegue animado (grid 0fr → 1fr) */
.mod-lista {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows .26s cubic-bezier(.4,0,.2,1);
}
.mod-lista > div { overflow: hidden; }
.mod.abierto .mod-lista { grid-template-rows: 1fr; }
.mod-lista-int { padding: 1px 7px 8px; }

.lec-a {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 9px; border-radius: 8px; text-decoration: none;
  color: var(--tx-mid); font-size: .805rem; line-height: 1.4;
  transition: background .13s, color .13s;
  position: relative;
}
.lec-a:hover { background: var(--bg-elev-2); color: var(--tx); text-decoration: none; }
.lec-a.on {
  background: color-mix(in srgb, var(--neon) 15%, transparent);
  color: var(--neon); font-weight: 620;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--neon) 26%, transparent);
}
.lec-a-tx { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lec-a-dur { font-family: var(--mono); font-size: .655rem; color: var(--tx-dim);
  flex: none; opacity: .65; }
.lec-a.on .lec-a-dur { color: var(--neon); opacity: 1; }

/* Marca de estado: punto en vez de número suelto */
.lec-n {
  flex: none; width: 16px; height: 16px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--mono); font-size: .58rem; color: var(--tx-dim);
  border: 1px solid var(--line); background: var(--bg-inset);
  transition: all .14s;
}
.lec-a:hover .lec-n { border-color: var(--tx-dim); }
.lec-a.on .lec-n { color: var(--neon); border-color: var(--neon);
  background: color-mix(in srgb, var(--neon) 18%, transparent); }
.lec-a.leida .lec-n {
  color: var(--acc); border-color: color-mix(in srgb, var(--acc) 50%, transparent);
  background: var(--acc-glow);
}
.lec-a.leida.on .lec-n { color: var(--neon); border-color: var(--neon);
  background: color-mix(in srgb, var(--neon) 18%, transparent); }
.lec-a.leida .lec-a-tx { opacity: .7; }

/* ---------- Zona principal ---------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.top {
  height: 56px; flex: none; border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px);
  display: flex; align-items: center; gap: 12px; padding: 0 20px;
  position: sticky; top: 0; z-index: 30;
}
.btn-menu { display: none; }
.top-migas { font-size: .8rem; color: var(--tx-dim); display: flex; align-items: center; gap: 7px; min-width: 0; }
.top-migas span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.top-acc { margin-left: auto; display: flex; align-items: center; gap: 7px; }

.icon-btn {
  width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--line);
  background: var(--bg-elev); color: var(--tx-mid); cursor: pointer;
  display: grid; place-items: center; transition: all .14s;
}
.icon-btn:hover { color: var(--neon); border-color: color-mix(in srgb, var(--neon) 45%, transparent);
  background: var(--bg-elev-2); box-shadow: 0 0 14px var(--neon-glow); }
.icon-btn .ico { width: 16px; height: 16px; }

/* Barra de progreso de lectura */
.progreso-lectura {
  position: fixed; top: 0; left: 0; height: 2px; z-index: 60;
  background: linear-gradient(90deg, var(--neon-hot), var(--neon), var(--cyan));
  box-shadow: 0 0 12px var(--neon); width: 0; transition: width .08s linear;
}

.vista { flex: 1; padding: 34px 42px 100px; }
.envol { max-width: 1140px; margin: 0 auto; }
.envol-txt { max-width: var(--max-read); }

/* ============================================================
   COMPONENTES
   ============================================================ */
.tarjeta {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px;
}
.tarjeta-inset { background: var(--bg-inset); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 18px; }

.etiq {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .68rem; font-weight: 660; letter-spacing: .08em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 100px; border: 1px solid var(--line);
  color: var(--tx-dim); background: var(--bg-inset);
}
.etiq-neon { color: var(--neon); border-color: color-mix(in srgb, var(--neon) 40%, transparent);
  background: var(--neon-glow); box-shadow: 0 0 16px var(--neon-glow); }
.etiq-acc  { color: var(--acc);  border-color: color-mix(in srgb, var(--acc) 34%, transparent);  background: var(--acc-glow); }
.etiq-bear { color: var(--bear); border-color: color-mix(in srgb, var(--bear) 34%, transparent); background: var(--bear-glow); }
.etiq-warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 34%, transparent); background: var(--warn-glow); }
.etiq-info { color: var(--cyan); border-color: color-mix(in srgb, var(--cyan) 34%, transparent); background: var(--cyan-glow); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: var(--bg-elev); color: var(--tx); font-family: inherit;
  font-size: .885rem; font-weight: 560; cursor: pointer; text-decoration: none;
  transition: all .14s;
}
.btn:hover { border-color: color-mix(in srgb, var(--neon) 45%, transparent);
  background: var(--bg-elev-2); text-decoration: none; box-shadow: 0 0 16px var(--neon-glow); }
.btn-pri {
  background: linear-gradient(140deg, var(--neon-hot), var(--neon) 55%, var(--neon-deep));
  border-color: transparent; color: #fff; font-weight: 660;
  box-shadow: 0 2px 14px var(--neon-glow-2), inset 0 1px 0 rgba(255,255,255,.3);
  text-shadow: 0 1px 2px rgba(0,0,0,.28);
}
.btn-pri:hover { filter: brightness(1.12); border-color: transparent;
  box-shadow: 0 4px 26px var(--neon-glow-2), inset 0 1px 0 rgba(255,255,255,.35); }
.btn-sm { padding: 7px 13px; font-size: .81rem; }

/* ---------- Avisos ---------- */
.nota {
  border-radius: var(--radius); padding: 16px 18px; margin: 22px 0;
  border: 1px solid var(--line); background: var(--bg-elev);
  display: flex; gap: 13px; align-items: flex-start;
  border-left-width: 3px;
}
.nota .ico { margin-top: .22em; }
.nota-cuerpo { min-width: 0; flex: 1; }
.nota-cuerpo > :last-child { margin-bottom: 0; }
.nota-tit { font-weight: 660; font-size: .93rem; margin-bottom: 4px; letter-spacing: -.012em; }
.nota-peligro { border-left-color: var(--bear); background: var(--bear-glow); }
.nota-peligro .ico, .nota-peligro .nota-tit { color: var(--bear); }
.nota-aviso  { border-left-color: var(--warn); background: var(--warn-glow); }
.nota-aviso .ico, .nota-aviso .nota-tit { color: var(--warn); }
.nota-clave  { border-left-color: var(--neon); background: var(--neon-glow);
  box-shadow: inset 0 0 40px rgba(226,82,255,.05); }
.nota-clave .ico, .nota-clave .nota-tit { color: var(--neon); }
.nota-info   { border-left-color: var(--cyan); background: var(--cyan-glow); }
.nota-info .ico, .nota-info .nota-tit { color: var(--cyan); }

/* ---------- Tablas ---------- */
.tabla-envol { overflow-x: auto; margin: 22px 0; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--bg-elev); }
table { width: 100%; border-collapse: collapse; font-size: .885rem; }
thead th {
  background: var(--bg-inset); text-align: left; padding: 11px 15px;
  font-weight: 680; font-size: .715rem; text-transform: uppercase; letter-spacing: .09em;
  color: var(--neon); border-bottom: 1px solid var(--line); white-space: nowrap;
}
tbody td { padding: 12px 15px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--bg-elev-2); }
td .num, .num { font-family: var(--mono); font-size: .93em; font-variant-numeric: tabular-nums; }

/* ---------- Formularios ---------- */
.campo { margin-bottom: 15px; }
.campo label {
  display: flex; align-items: center; gap: 6px; justify-content: space-between;
  font-size: .805rem; font-weight: 560; color: var(--tx-mid); margin-bottom: 6px;
}
.campo-pista { font-size: .715rem; color: var(--tx-dim); font-weight: 400; }
input[type="number"], input[type="text"], select, textarea {
  width: 100%; padding: 10px 13px; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--bg-inset); color: var(--tx);
  font-family: var(--mono); font-size: .93rem; transition: border-color .13s, box-shadow .13s;
  font-variant-numeric: tabular-nums;
}
select { font-family: var(--sans); }
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--neon);
  box-shadow: 0 0 0 3px var(--neon-glow), 0 0 18px var(--neon-glow);
}
input[type="range"] { width: 100%; accent-color: var(--neon); background: transparent; }
.grupo-radio { display: flex; gap: 6px; }
.grupo-radio button {
  flex: 1; padding: 9px; border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: var(--bg-inset); color: var(--tx-mid); font-family: inherit;
  font-size: .835rem; font-weight: 570; cursor: pointer; transition: all .13s;
}
.grupo-radio button:hover { color: var(--tx); border-color: var(--tx-dim); }
.grupo-radio button.on { background: var(--acc-glow); border-color: var(--acc); color: var(--acc); }
.grupo-radio button.on.bear { background: var(--bear-glow); border-color: var(--bear); color: var(--bear); }

/* ---------- Resultados de calculadora ---------- */
.rejilla-calc { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.15fr); gap: 22px; align-items: start; }
.res-lista { display: flex; flex-direction: column; gap: 1px; background: var(--line-soft);
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.res-fila {
  display: flex; align-items: baseline; justify-content: space-between; gap: 14px;
  padding: 12px 16px; background: var(--bg-elev);
}
.res-et { font-size: .825rem; color: var(--tx-mid); display: flex; align-items: center; gap: 7px; }
.res-val { font-family: var(--mono); font-size: 1rem; font-weight: 620;
  font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.res-fila.destacada { background: var(--bg-elev-2); }
.res-fila.destacada .res-val { font-size: 1.34rem; }
.v-acc { color: var(--acc); } .v-bear { color: var(--bear); }
.v-warn { color: var(--warn); } .v-info { color: var(--cyan); }
.res-nota { font-size: .805rem; color: var(--tx-mid); padding: 13px 16px;
  background: var(--bg-inset); line-height: 1.6; }

/* ---------- Barras ---------- */
.barra-pista { height: 8px; border-radius: 100px; background: var(--bg-inset);
  overflow: hidden; border: 1px solid var(--line-soft); }
.barra-relleno { height: 100%; border-radius: 100px;
  transition: width .3s cubic-bezier(.4,0,.2,1);
  background: linear-gradient(90deg, var(--neon-hot), var(--neon));
  box-shadow: 0 0 12px var(--neon-glow-2); }

/* ============================================================
   INICIO
   ============================================================ */
.hero { padding: 26px 0 42px; border-bottom: 1px solid var(--line); margin-bottom: 40px; }
.hero h1 { margin: 16px 0 18px; max-width: 20ch; }
.hero-bajada { font-size: 1.09rem; color: var(--tx-mid); max-width: 62ch; margin-bottom: 26px; }
.hero-cifras { display: flex; gap: 32px; flex-wrap: wrap; padding-top: 24px;
  border-top: 1px solid var(--line-soft); }
.cifra-n { font-family: var(--disp); font-size: 1.6rem; font-weight: 800;
  letter-spacing: -.01em; display: block; line-height: 1.1; color: var(--tx); }
.cifra-n.neon { color: var(--neon); text-shadow: 0 0 20px var(--neon-glow-2); }
.cifra-et { font-size: .705rem; color: var(--tx-dim); text-transform: uppercase;
  letter-spacing: .1em; font-weight: 570; }

/* Pasos "cómo usar esta web" */
.pasos { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 14px; }
.paso {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 19px 20px;
  position: relative; overflow: hidden;
}
.paso::after {
  content: ""; position: absolute; inset: auto auto -40% -10%; width: 120px; height: 120px;
  background: radial-gradient(circle, var(--neon-glow), transparent 68%); pointer-events: none;
}
.paso-num {
  font-family: var(--disp); font-weight: 800; font-size: 1.05rem; flex: none;
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  color: var(--neon); background: var(--bg-inset);
  border: 1px solid color-mix(in srgb, var(--neon) 38%, transparent);
  box-shadow: 0 0 16px var(--neon-glow); position: relative;
}
.paso h3 { font-size: .95rem; margin-bottom: 5px; display: flex; align-items: center; gap: 7px; }
.paso h3 .ico { color: var(--neon); width: 16px; height: 16px; }
.paso p { font-size: .855rem; color: var(--tx-mid); margin: 0; line-height: 1.58; }

.rejilla-mods { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px,1fr)); gap: 16px; }
.mod-tarj {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 21px; text-decoration: none; color: inherit; display: block;
  transition: border-color .16s, transform .16s, box-shadow .16s;
  position: relative; overflow: hidden;
}
.mod-tarj::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px;
  background: var(--mod-color, var(--neon)); opacity: .5; transition: opacity .16s;
}
.mod-tarj::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 60% 80% at 0% 0%, var(--neon-glow), transparent 60%);
  opacity: 0; transition: opacity .18s;
}
.mod-tarj:hover { border-color: color-mix(in srgb, var(--mod-color, var(--neon)) 50%, transparent);
  transform: translateY(-2px); box-shadow: var(--shadow); text-decoration: none; }
.mod-tarj:hover::before { opacity: 1; }
.mod-tarj:hover::after { opacity: 1; }
.mod-tarj-cab { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; position: relative; }
.mod-tarj-ico {
  width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; flex: none;
  background: var(--bg-inset); border: 1px solid var(--line);
  color: var(--mod-color, var(--neon));
  box-shadow: inset 0 0 18px color-mix(in srgb, var(--mod-color, var(--neon)) 12%, transparent);
}
.mod-tarj-ico .ico { width: 18px; height: 18px; }
.mod-tarj h3 { font-size: 1.02rem; margin-bottom: 2px; }
.mod-tarj-meta { font-size: .72rem; color: var(--tx-dim); font-family: var(--mono); }
.mod-tarj p { font-size: .875rem; color: var(--tx-mid); margin: 0; line-height: 1.6; position: relative; }
.mod-tarj-barra { margin-top: 14px; position: relative; }

/* ============================================================
   LECCIÓN
   ============================================================ */
.lec-cab { margin-bottom: 30px; padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.lec-cab-meta { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; margin-bottom: 15px; }
.lec-cab h1 { margin-bottom: 14px; }
.lec-resumen { font-size: 1.06rem; color: var(--tx-mid); max-width: 66ch; }

/* Disposición con índice lateral */
.lec-cuerpo { display: grid; grid-template-columns: minmax(0,1fr) 216px; gap: 46px; align-items: start; }
.lec-indice {
  position: sticky; top: 76px; font-size: .8rem;
  border-left: 1px solid var(--line); padding-left: 15px;
  max-height: calc(100vh - 120px); overflow-y: auto;
}
.lec-indice-tit { font-size: .63rem; text-transform: uppercase; letter-spacing: .14em;
  color: var(--tx-dim); font-weight: 700; margin-bottom: 11px; }
.lec-indice a { display: block; padding: 5px 0; color: var(--tx-dim);
  line-height: 1.4; text-decoration: none; transition: color .13s; }
.lec-indice a:hover { color: var(--tx); text-decoration: none; }
.lec-indice a.on { color: var(--neon); font-weight: 570; }

.contenido { max-width: var(--max-read); font-size: 1.015rem; }
.contenido h2 {
  margin: 46px 0 16px; padding-top: 6px; scroll-margin-top: 74px;
  display: flex; align-items: center; gap: 11px;
}
.contenido h2 .ico { color: var(--neon); width: 21px; height: 21px;
  filter: drop-shadow(0 0 8px var(--neon-glow-2)); }
.contenido h3 { margin: 32px 0 11px; color: var(--tx); }
.contenido ul, .contenido ol { margin: 0 0 1.1em; padding-left: 1.35em; }
.contenido li { margin-bottom: .5em; }
.contenido li::marker { color: var(--neon); }
.contenido strong { font-weight: 660; color: var(--tx); }
.contenido code {
  font-family: var(--mono); font-size: .87em; background: var(--bg-inset);
  border: 1px solid var(--line-soft); padding: 2px 6px; border-radius: 5px; color: var(--neon);
}
.contenido blockquote {
  margin: 22px 0; padding: 4px 0 4px 20px; border-left: 2px solid var(--neon);
  color: var(--tx-mid); font-style: italic;
  box-shadow: -12px 0 24px -12px var(--neon-glow-2);
}

/* Lo esencial */
.esencial {
  border: 1px solid color-mix(in srgb, var(--neon) 28%, transparent);
  background: linear-gradient(150deg, var(--neon-glow), transparent 65%), var(--bg-elev);
  border-radius: var(--radius); padding: 20px 22px; margin: 0 0 30px;
  box-shadow: var(--shadow-neon);
}
.esencial-tit { font-family: var(--disp); font-size: .68rem; text-transform: uppercase;
  letter-spacing: .14em; color: var(--neon); font-weight: 800; margin-bottom: 13px;
  display: flex; align-items: center; gap: 8px; }
.esencial ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.esencial li { display: flex; gap: 11px; align-items: flex-start; font-size: .93rem;
  color: var(--tx); margin: 0; line-height: 1.55; }
.esencial li b { color: var(--neon); font-weight: 660; }
.esencial li .ico { color: var(--neon); margin-top: .3em; width: 14px; height: 14px; flex: none; }

/* Objetivos */
.objetivos { background: var(--bg-inset); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 19px 21px; margin: 0 0 30px; }
.objetivos-tit { font-size: .68rem; text-transform: uppercase; letter-spacing: .13em;
  color: var(--tx-dim); font-weight: 700; margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px; }
.objetivos ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.objetivos li { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem;
  color: var(--tx-mid); margin: 0; }
.objetivos li .ico { color: var(--acc); margin-top: .25em; width: 15px; height: 15px; }

/* Conceptos */
.conceptos { display: grid; gap: 10px; margin: 24px 0; }
.concepto { background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 15px 17px; transition: border-color .14s; }
.concepto:hover { border-color: color-mix(in srgb, var(--neon) 35%, transparent); }
.concepto-tit { font-weight: 660; font-size: .93rem; margin-bottom: 4px;
  color: var(--neon); letter-spacing: -.012em; }
.concepto p { margin: 0; font-size: .885rem; color: var(--tx-mid); line-height: 1.6; }

/* Transcripción */
.trans-cab {
  display: flex; align-items: center; gap: 14px;
  padding: 15px 18px; background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius); cursor: pointer; margin-top: 12px;
  transition: border-color .14s, box-shadow .14s, background .14s;
  width: 100%; text-align: left; font-family: inherit; color: inherit;
}
.trans-cab:hover { border-color: color-mix(in srgb, var(--neon) 45%, transparent);
  background: var(--bg-elev-2); box-shadow: 0 0 20px var(--neon-glow); }
.trans-cab-tx { display: flex; align-items: center; gap: 11px; font-weight: 600;
  font-size: .93rem; flex: 1; min-width: 0; }
.trans-cab .chev-t { margin-left: auto; flex: none; width: 17px; height: 17px;
  color: var(--neon); transition: transform .22s cubic-bezier(.4,0,.2,1); }
.trans-cab[aria-expanded="true"] .chev-t { transform: rotate(180deg); }
.trans-cuerpo {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows .28s cubic-bezier(.4,0,.2,1);
}
.trans-cuerpo > div { overflow: hidden; }
.trans-cuerpo.abierta { grid-template-rows: 1fr; }
.trans-cuerpo > div > :first-child { margin-top: 14px; }
.trans-busca { position: relative; margin-bottom: 12px; }
.trans-busca input { padding-left: 36px; font-family: var(--sans); }
.trans-busca .ico { position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--tx-dim); width: 15px; height: 15px; }
.trans-lista { max-height: 540px; overflow-y: auto; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--bg-inset); }
.trans-seg { display: flex; gap: 14px; padding: 9px 16px; font-size: .88rem;
  line-height: 1.65; border-bottom: 1px solid var(--line-soft); }
.trans-seg:last-child { border-bottom: 0; }
.trans-seg:hover { background: var(--bg-elev); }
.trans-seg.oculta { display: none; }
.trans-t { font-family: var(--mono); font-size: .72rem; color: var(--neon);
  flex: none; padding-top: .2em; width: 44px; opacity: .75; }
.trans-seg mark { background: var(--warn-glow); color: var(--warn); border-radius: 3px; padding: 0 2px; }

/* Navegación entre lecciones */
.lec-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 50px;
  padding-top: 28px; border-top: 1px solid var(--line); }
.lec-nav a {
  display: flex; align-items: center; gap: 12px; padding: 15px 17px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-elev);
  text-decoration: none; color: inherit; transition: all .14s;
}
.lec-nav a:hover { border-color: color-mix(in srgb, var(--neon) 45%, transparent);
  background: var(--bg-elev-2); text-decoration: none; box-shadow: 0 0 18px var(--neon-glow); }
.lec-nav .sig { grid-column: 2; justify-content: flex-end; text-align: right; }
.lec-nav-et { font-size: .675rem; text-transform: uppercase; letter-spacing: .1em;
  color: var(--neon); font-weight: 660; display: block; margin-bottom: 3px; }
.lec-nav-tit { font-size: .885rem; font-weight: 570; line-height: 1.38; display: block; }

/* ---------- Buscador ---------- */
.modal-fondo {
  position: fixed; inset: 0; background: rgba(6,2,12,.78); backdrop-filter: blur(5px);
  z-index: 100; display: none; align-items: flex-start; justify-content: center;
  padding: 11vh 20px 20px;
}
.modal-fondo.abierto { display: flex; }
.modal {
  width: 100%; max-width: 640px; background: var(--bg-elev);
  border: 1px solid color-mix(in srgb, var(--neon) 30%, transparent);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 60px var(--neon-glow), var(--shadow); overflow: hidden;
  max-height: 72vh; display: flex; flex-direction: column;
}
.modal-busca { display: flex; align-items: center; gap: 12px; padding: 16px 19px;
  border-bottom: 1px solid var(--line); }
.modal-busca input { border: 0; background: none; padding: 0; font-family: var(--sans); font-size: 1.02rem; }
.modal-busca input:focus { box-shadow: none; }
.modal-busca .dim { color: var(--neon); }
.modal-res { overflow-y: auto; padding: 7px; }
.modal-res-item {
  display: flex; gap: 12px; padding: 11px 13px; border-radius: var(--radius-sm);
  text-decoration: none; color: inherit; align-items: flex-start;
}
.modal-res-item:hover, .modal-res-item.sel { background: var(--bg-elev-2); text-decoration: none; }
.modal-res-tit { font-size: .9rem; font-weight: 560; display: block; margin-bottom: 2px; }
.modal-res-ctx { font-size: .79rem; color: var(--tx-dim); display: block; line-height: 1.5; }
.modal-res-ctx mark { background: var(--neon-glow); color: var(--neon); border-radius: 3px; }
.modal-vacio { padding: 32px; text-align: center; color: var(--tx-dim); font-size: .88rem; }

/* ============================================================
   TARJETAS DE PATRÓN
   ============================================================ */
.rejilla-patrones { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 16px; }
.pat {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: border-color .16s, transform .16s, box-shadow .16s;
}
.pat:hover { border-color: color-mix(in srgb, var(--pat-color) 50%, transparent);
  transform: translateY(-2px);
  box-shadow: var(--shadow), 0 0 26px color-mix(in srgb, var(--pat-color) 14%, transparent); }
.pat-cab {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 15px 17px 13px; border-bottom: 1px solid var(--line-soft);
}
.pat-cab h3 { font-size: 1rem; letter-spacing: -.018em; }
.pat-lienzo {
  background:
    radial-gradient(ellipse 70% 90% at 50% 110%, color-mix(in srgb, var(--pat-color) 9%, transparent), transparent 70%),
    var(--bg-inset);
  border-bottom: 1px solid var(--line-soft);
  padding: 6px 10px 2px;
}
.pat-desc { font-size: .85rem; color: var(--tx-mid); line-height: 1.6;
  padding: 15px 17px 4px; margin: 0; }
.pat-datos { margin: 0; padding: 8px 17px 4px;
  display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; align-items: baseline; }
.pat-datos dt { font-size: .715rem; font-weight: 680; text-transform: uppercase;
  letter-spacing: .07em; color: var(--pat-color); white-space: nowrap;
  display: flex; align-items: center; gap: 5px; }
.pat-datos dt .ico { width: 12px; height: 12px; }
.pat-datos dd { margin: 0; font-size: .82rem; color: var(--tx-mid); line-height: 1.5; }
.pat-lec {
  margin-top: auto; display: flex; align-items: center; justify-content: space-between;
  padding: 12px 17px; border-top: 1px solid var(--line-soft);
  font-size: .79rem; font-weight: 600; color: var(--tx-dim);
  text-decoration: none; transition: color .13s, background .13s;
}
.pat-lec:hover { color: var(--neon); background: var(--bg-inset); text-decoration: none; }

/* ---------- Utilidades ---------- */
.sec { margin-bottom: 48px; }
.sec-cab { display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-bottom: 18px; flex-wrap: wrap; }
.sec-cab h2 { display: flex; align-items: center; gap: 11px; }
.sec-cab h2 .ico { color: var(--neon); filter: drop-shadow(0 0 8px var(--neon-glow-2)); }
.sec-desc { color: var(--tx-mid); font-size: .94rem; max-width: 68ch; margin: -6px 0 20px; }
.fila { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.centro { text-align: center; }
.dim { color: var(--tx-dim); }
.mid { color: var(--tx-mid); }
.pequeno { font-size: .82rem; }
.mb0 { margin-bottom: 0; }
.oculto { display: none !important; }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .lec-cuerpo { grid-template-columns: 1fr; gap: 0; }
  .lec-indice { display: none; }
}
@media (max-width: 1000px) {
  .rejilla-calc { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .side {
    position: fixed; left: 0; top: 0; bottom: 0;
    transform: translateX(-100%); transition: transform .22s cubic-bezier(.4,0,.2,1);
    box-shadow: var(--shadow);
  }
  .side.abierta { transform: none; }
  .btn-menu { display: grid; }
  .vista { padding: 24px 18px 84px; }
  .lec-nav { grid-template-columns: 1fr; }
  .lec-nav .sig { grid-column: 1; }
  .hero-cifras { gap: 22px; }
  .backdrop-side { position: fixed; inset: 0; background: rgba(6,2,12,.65); z-index: 39; display: none; }
  .backdrop-side.on { display: block; }
}
@media (max-width: 520px) {
  .hero-cifras { gap: 16px 26px; }
  .cifra-n { font-size: 1.36rem; }
  .rejilla-mods { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

@media print {
  .side, .top, .lec-nav, .backdrop-side, .lec-indice, .progreso-lectura { display: none !important; }
  body::before, body::after { display: none; }
  .vista { padding: 0; }
  .lec-cuerpo { grid-template-columns: 1fr; }
  .trans-cuerpo { display: block !important; }
  .trans-lista { max-height: none; }
}