/* ==========================================================================
   Plataforma interactiva — Git & GitHub
   Hoja de estilos única, organizada por bloques.
   ========================================================================== */

:root {
  /* Superficies */
  --fondo: #0d1017;
  --fondo-alt: #11151f;
  --panel: #151a25;
  --panel-alto: #1b2130;
  --borde: #262d3d;
  --borde-suave: #1e2431;

  /* Texto */
  --texto: #e6e9f0;
  --texto-medio: #a5adbf;
  --texto-tenue: #6f7889;

  /* Acentos */
  --acento: #7c6cff;
  --acento-claro: #a396ff;
  --acento-tenue: rgba(124, 108, 255, 0.14);
  --menta: #35d6a4;
  --menta-tenue: rgba(53, 214, 164, 0.13);
  --ambar: #f2b441;
  --ambar-tenue: rgba(242, 180, 65, 0.13);
  --coral: #ff6b81;
  --coral-tenue: rgba(255, 107, 129, 0.13);
  --cielo: #4cc4f5;

  /* Métricas */
  --radio: 14px;
  --radio-sm: 9px;
  --lateral-ancho: 300px;
  --barra-alto: 62px;
  --mono: "JetBrains Mono", "Fira Code", "SFMono-Regular", Consolas,
    "Liberation Mono", Menlo, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  line-height: 1.25;
  margin: 0;
  font-weight: 650;
  letter-spacing: -0.015em;
}

p {
  margin: 0 0 0.85em;
}

a {
  color: var(--acento-claro);
  text-decoration: none;
}

code {
  font-family: var(--mono);
  font-size: 0.875em;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #2b3242;
  border-radius: 20px;
  border: 3px solid var(--fondo);
}
::-webkit-scrollbar-thumb:hover {
  background: #3a4256;
}

/* ══════════════════════════ Botones ══════════════════════════ */

.btn {
  font: inherit;
  font-size: 13.5px;
  font-weight: 560;
  color: var(--texto);
  background: var(--panel-alto);
  border: 1px solid var(--borde);
  border-radius: var(--radio-sm);
  padding: 8px 15px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.15s, border-color 0.15s, transform 0.08s, color 0.15s;
  white-space: nowrap;
}
.btn:hover:not(:disabled) {
  background: #222a3a;
  border-color: #38415a;
}
.btn:active:not(:disabled) {
  transform: translateY(1px);
}
.btn:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}
.btn--primario {
  background: var(--acento);
  border-color: var(--acento);
  color: #fff;
}
.btn--primario:hover:not(:disabled) {
  background: #8a7bff;
  border-color: #8a7bff;
}
.btn--menta {
  background: var(--menta-tenue);
  border-color: rgba(53, 214, 164, 0.4);
  color: var(--menta);
}
.btn--menta:hover:not(:disabled) {
  background: rgba(53, 214, 164, 0.22);
}
.btn--fantasma {
  background: transparent;
  border-color: var(--borde);
  color: var(--texto-medio);
}
.btn--fantasma:hover:not(:disabled) {
  color: var(--texto);
  background: var(--panel);
}
.btn--mini {
  padding: 5px 10px;
  font-size: 12px;
}

/* ══════════════════════════ Barra superior ══════════════════════════ */

.barra {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--barra-alto);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 18px;
  background: rgba(13, 16, 23, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--borde-suave);
}

.barra__marca {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--texto);
  min-width: 0;
}
.barra__glifo {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: none;
  border-radius: 9px;
  background: linear-gradient(140deg, var(--acento), #4d3bd6);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}
.barra__marca strong {
  display: block;
  font-size: 14.5px;
  letter-spacing: -0.01em;
}
.barra__marca small {
  display: block;
  font-size: 11.5px;
  color: var(--texto-tenue);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.barra__acciones {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.barra__menu {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  padding: 0 8px;
  background: var(--panel);
  border: 1px solid var(--borde);
  border-radius: 8px;
  cursor: pointer;
}
.barra__menu span {
  display: block;
  height: 2px;
  background: var(--texto-medio);
  border-radius: 2px;
}

.global-progreso {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--texto-medio);
}
.anillo {
  width: 30px;
  height: 30px;
  transform: rotate(-90deg);
}
.anillo__fondo,
.anillo__valor {
  fill: none;
  stroke-width: 3.2;
}
.anillo__fondo {
  stroke: var(--borde);
}
.anillo__valor {
  stroke: var(--menta);
  stroke-linecap: round;
  stroke-dasharray: 97.4;
  stroke-dashoffset: 97.4;
  transition: stroke-dashoffset 0.45s ease;
}

/* ══════════════════════════ Disposición ══════════════════════════ */

.disposicion {
  display: grid;
  grid-template-columns: var(--lateral-ancho) minmax(0, 1fr);
  min-height: calc(100vh - var(--barra-alto));
}

.lateral {
  position: sticky;
  top: var(--barra-alto);
  height: calc(100vh - var(--barra-alto));
  display: flex;
  flex-direction: column;
  background: var(--fondo-alt);
  border-right: 1px solid var(--borde-suave);
  overflow: hidden;
}

.lateral__cabecera {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 18px 18px 10px;
}
.lateral__cabecera h2 {
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--texto-tenue);
}
.lateral__conteo {
  font-size: 11px;
  color: var(--texto-tenue);
  font-family: var(--mono);
}

.lateral__lista {
  flex: 1;
  overflow-y: auto;
  padding: 0 10px 14px;
}

.lateral__pie {
  padding: 13px 18px;
  border-top: 1px solid var(--borde-suave);
}
.lateral__pie p {
  margin: 0;
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--texto-tenue);
}

.lateral__velo {
  display: none;
}

.item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  width: 100%;
  text-align: left;
  padding: 9px 10px;
  margin-bottom: 2px;
  background: none;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--texto-medio);
  cursor: pointer;
  font: inherit;
  transition: background 0.14s, color 0.14s;
}
.item:hover {
  background: var(--panel);
  color: var(--texto);
}
.item.es-activo {
  background: var(--acento-tenue);
  border-color: rgba(124, 108, 255, 0.32);
  color: var(--texto);
}
.item__num {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--panel-alto);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--texto-tenue);
}
.item.es-activo .item__num {
  background: var(--acento);
  color: #fff;
}
.item.es-completo .item__num {
  background: var(--menta-tenue);
  color: var(--menta);
}
.item__cuerpo {
  min-width: 0;
}
.item__titulo {
  display: block;
  font-size: 13.2px;
  font-weight: 550;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.item__meta {
  display: block;
  font-size: 11px;
  color: var(--texto-tenue);
  font-family: var(--mono);
}

/* ══════════════════════════ Área principal ══════════════════════════ */

.principal {
  min-width: 0;
  padding: 0 0 80px;
}

.vista {
  animation: aparecer 0.3s ease;
}
@keyframes aparecer {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}

/* ══════════════════════════ Portada / catálogo ══════════════════════════ */

.portada {
  max-width: 820px;
  padding: 52px 36px 26px;
}
.portada__etiqueta {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--acento-claro);
  font-weight: 650;
  margin-bottom: 12px;
}
.portada__titulo {
  font-size: clamp(28px, 4.4vw, 42px);
  margin-bottom: 16px;
}
.portada__titulo em {
  font-style: normal;
  background: linear-gradient(100deg, var(--acento-claro), var(--menta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.portada__texto {
  color: var(--texto-medio);
  font-size: 15.5px;
  max-width: 68ch;
}

.portada__cifras {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--borde-suave);
}
.cifra strong {
  display: block;
  font-size: 25px;
  font-weight: 680;
  font-family: var(--mono);
  letter-spacing: -0.02em;
}
.cifra span {
  font-size: 11.5px;
  color: var(--texto-tenue);
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

.filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 36px 20px;
}
.filtro {
  font: inherit;
  font-size: 12.5px;
  font-weight: 550;
  padding: 6px 13px;
  border-radius: 20px;
  border: 1px solid var(--borde);
  background: transparent;
  color: var(--texto-medio);
  cursor: pointer;
  transition: 0.14s;
}
.filtro:hover {
  color: var(--texto);
  border-color: #3a4256;
}
.filtro.es-activo {
  background: var(--acento-tenue);
  border-color: rgba(124, 108, 255, 0.4);
  color: var(--acento-claro);
}

.rejilla {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  padding: 0 36px;
}

.tarjeta {
  display: flex;
  flex-direction: column;
  text-align: left;
  background: var(--panel);
  border: 1px solid var(--borde-suave);
  border-radius: var(--radio);
  padding: 20px;
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: border-color 0.16s, transform 0.16s, background 0.16s;
  position: relative;
  overflow: hidden;
}
.tarjeta:hover {
  border-color: #39415a;
  transform: translateY(-2px);
  background: var(--panel-alto);
}
.tarjeta__alto {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.tarjeta__num {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--acento-claro);
  background: var(--acento-tenue);
  padding: 3px 8px;
  border-radius: 6px;
}
.insignia {
  font-size: 10.5px;
  font-weight: 620;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 3px 8px;
  border-radius: 6px;
}
.insignia--git {
  background: var(--ambar-tenue);
  color: var(--ambar);
}
.insignia--github {
  background: rgba(76, 196, 245, 0.13);
  color: var(--cielo);
}
.insignia--base {
  background: var(--panel-alto);
  color: var(--texto-tenue);
}
.tarjeta__completo {
  margin-left: auto;
  color: var(--menta);
  font-size: 15px;
}

.tarjeta__titulo {
  font-size: 17px;
  margin-bottom: 7px;
}
.tarjeta__desc {
  font-size: 13.4px;
  color: var(--texto-medio);
  margin-bottom: 14px;
  flex: 1;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 15px;
}
.chip {
  font-family: var(--mono);
  font-size: 10.8px;
  padding: 2.5px 7px;
  border-radius: 5px;
  background: var(--panel-alto);
  border: 1px solid var(--borde-suave);
  color: var(--texto-medio);
}
.chip--mas {
  color: var(--texto-tenue);
  border-style: dashed;
}

.tarjeta__pie {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 11.5px;
  color: var(--texto-tenue);
  font-family: var(--mono);
}

.barrita {
  flex: 1;
  height: 4px;
  border-radius: 4px;
  background: var(--borde);
  overflow: hidden;
}
.barrita__valor {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--acento), var(--menta));
  transition: width 0.4s ease;
}