:root {
  --guinda: #7b1e23;
  --guinda-2: #5e161a;
  --guinda-claro: #f6e9ea;
  --dorado: #c9a227;
  --dorado-claro: #fbf3dc;
  --verde: #2e7d4f;
  --rojo: #c0392b;
  --fondo: #f5f2ee;
  --tarjeta: #fff;
  --texto: #2a2522;
  --suave: #7a716b;
  --borde: #e6dfd8;
  --radio: 16px;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  color: var(--texto);
  -webkit-text-size-adjust: 100%;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: var(--fondo); }
.oculto { display: none !important; }

.pantalla { max-width: 440px; margin: 0 auto; padding: 24px 16px 40px; }
.pantalla.ancha { max-width: 760px; padding-top: 0; }

/* acceso */
.cabecera-acceso { text-align: center; padding: 28px 0 22px; }
.cabecera-acceso h1 { margin: 12px 0 4px; color: var(--guinda-2); font-size: 28px; }
.cabecera-acceso p { margin: 0; color: var(--suave); font-size: 14px; }
.escudo { width: 72px; height: 72px; margin: 0 auto; border-radius: 50%; background: var(--guinda);
  border: 4px solid var(--dorado); color: #fff; display: grid; place-items: center;
  font: 800 34px Georgia, "Times New Roman", serif; box-shadow: 0 6px 18px rgba(123,30,35,.25); }
.escudo.chico { width: 40px; height: 40px; font-size: 19px; border-width: 2px; margin: 0; box-shadow: none; }

.tarjeta { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 22px 18px; margin-bottom: 16px; }
.tarjeta h2 { margin: 0 0 16px; font-size: 20px; color: var(--guinda-2); }
label { display: block; font-size: 13px; color: var(--suave); margin-bottom: 14px; }
input, textarea { display: block; width: 100%; margin-top: 6px; font: inherit; font-size: 16px; color: var(--texto);
  padding: 12px 14px; border: 1px solid var(--borde); border-radius: 10px; background: #fff; }
input:focus, textarea:focus { outline: 2px solid var(--guinda-claro); border-color: var(--guinda); }
.con-ojo { position: relative; display: block; }
.con-ojo input { padding-right: 46px; }
.ojo { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); margin-top: 3px; border: 0; background: none;
  font-size: 18px; cursor: pointer; padding: 6px; opacity: .6; }
.btn { width: 100%; background: var(--guinda); color: #fff; border: 0; border-radius: 12px; padding: 14px; font: inherit;
  font-size: 16px; font-weight: 700; cursor: pointer; }
.btn:active { transform: scale(.99); }
.btn:disabled { opacity: .6; }
.error { color: var(--rojo); font-size: 14px; min-height: 0; margin: 0 0 12px; }
.error:empty { display: none; }
.ayuda { color: var(--suave); font-size: 13px; margin: -6px 0 14px; line-height: 1.4; }
.enlaces { display: flex; flex-direction: column; gap: 12px; margin-top: 18px; text-align: center; }
a { color: var(--guinda); text-decoration: none; font-size: 14px; }
.enlace-problema { display: block; text-align: center; margin-top: 16px; }
.volver { background: none; border: 0; color: var(--guinda); font: inherit; font-size: 15px; padding: 8px 0 14px; cursor: pointer; }
.pasos { display: flex; gap: 8px; margin: -6px 0 18px; font-size: 12px; }
.pasos span { flex: 1; text-align: center; padding: 6px; border-radius: 8px; background: var(--fondo); color: var(--suave); }
.pasos .activo { background: var(--guinda-claro); color: var(--guinda); font-weight: 700; }
.pie { text-align: center; color: var(--suave); font-size: 12px; font-style: italic; margin-top: 24px; }
.icono-ok { width: 64px; height: 64px; border-radius: 50%; background: #dff3e7; color: var(--verde); font-size: 34px;
  display: grid; place-items: center; margin: 0 auto 12px; }
#s-listo { text-align: center; }

/* barra superior */
.barra { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 12px; padding: 14px 16px;
  margin: 0 -16px 16px; background: var(--guinda); color: #fff; padding-top: max(14px, env(safe-area-inset-top)); }
.quien { flex: 1; min-width: 0; }
.quien b { display: block; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.quien small { opacity: .8; font-size: 12px; }
.salir { background: rgba(255,255,255,.15); color: #fff; border: 0; border-radius: 10px; padding: 8px 12px; font: inherit; font-size: 13px; cursor: pointer; }

/* motivación */
.motivacion { border-radius: var(--radio); padding: 20px 18px; margin-bottom: 16px; color: #fff; position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--guinda) 0%, #9b2c33 100%); animation: entrar .6s ease-out both; }
.motivacion.nivel-4 { background: linear-gradient(135deg, #7b1e23 0%, #b08419 100%); }
.motivacion.nivel-1 { background: linear-gradient(135deg, #5e161a 0%, #7b1e23 100%); }
.motivacion .fila { display: flex; gap: 18px; align-items: center; }
.anillo { flex-shrink: 0; width: 108px; height: 108px; position: relative; }
.anillo svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.anillo circle { fill: none; stroke-width: 10; }
.anillo .base { stroke: rgba(255,255,255,.2); }
.anillo .valor { stroke: var(--dorado); stroke-linecap: round; transition: stroke-dashoffset 1.4s cubic-bezier(.2,.8,.2,1); }
.anillo .centro { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; line-height: 1.1; }
.anillo .centro b { font-size: 24px; display: block; }
.anillo .centro small { font-size: 11px; opacity: .85; }
.motivacion .emoji { font-size: 30px; display: inline-block; animation: latido 1.6s ease-in-out infinite; }
.motivacion h2 { margin: 2px 0 6px; font-size: 20px; line-height: 1.25; }
.motivacion p { margin: 0; font-size: 14px; opacity: .92; line-height: 1.45; }
.motivacion .etiquetas { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.motivacion .etq { background: rgba(255,255,255,.16); border-radius: 20px; padding: 5px 11px; font-size: 12px; }
.motivacion .etq.sube { background: rgba(46,125,79,.85); }
.motivacion .etq.baja { background: rgba(0,0,0,.25); }
@keyframes entrar { from { opacity: 0; transform: translateY(12px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes latido { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.15); } }

/* evolución */
#n-evolucion h3, .subtitulo { margin: 0 0 6px; font-size: 16px; color: var(--guinda-2); }
.subtitulo { margin: 8px 2px 10px; }
.grafico svg { width: 100%; height: auto; display: block; }
.grafico .tipo { font-size: 12px; color: var(--suave); margin: 10px 0 0; }

/* lista */
.lista { display: grid; gap: 10px; }
.sim { display: flex; align-items: center; gap: 14px; background: #fff; border: 1px solid var(--borde); border-radius: 14px;
  padding: 14px; cursor: pointer; text-align: left; font: inherit; color: inherit; width: 100%;
  animation: entrar .5s ease-out both; }
.sim:active { background: var(--guinda-claro); }
.sim .nota { flex-shrink: 0; width: 58px; height: 58px; border-radius: 14px; display: grid; place-items: center; font-weight: 800;
  font-size: 20px; color: #fff; background: var(--guinda); }
.sim .nota.n4 { background: linear-gradient(135deg, #b08419, var(--dorado)); }
.sim .nota.n3 { background: var(--verde); }
.sim .nota.n2 { background: #b9770e; }
.sim .info { flex: 1; min-width: 0; }
.sim .info b { display: block; font-size: 15px; }
.sim .info small { color: var(--suave); font-size: 12px; }
.sim .pts { text-align: right; font-size: 12px; color: var(--suave); }
.sim .pts b { display: block; font-size: 17px; color: var(--guinda); }
.vacio { text-align: center; color: var(--suave); padding: 30px 10px; background: #fff; border-radius: 14px; border: 1px dashed var(--borde); }

/* detalle */
.modal { position: fixed; inset: 0; z-index: 20; background: rgba(30,15,15,.5); display: flex; align-items: flex-end; justify-content: center; }
.hoja { background: #fff; width: 100%; max-width: 600px; max-height: 90vh; overflow: auto; border-radius: 20px 20px 0 0;
  padding: 22px 18px calc(24px + env(safe-area-inset-bottom)); position: relative; animation: subir .3s ease-out; }
@keyframes subir { from { transform: translateY(40px); opacity: 0; } to { transform: none; opacity: 1; } }
.cerrar { position: absolute; right: 12px; top: 12px; border: 0; background: var(--fondo); width: 34px; height: 34px; border-radius: 50%; cursor: pointer; font-size: 15px; }
.hoja h2 { margin: 0 40px 2px 0; color: var(--guinda-2); font-size: 19px; }
.hoja .sub { color: var(--suave); font-size: 13px; margin-bottom: 14px; }
.resumen { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 16px; }
.resumen div { background: var(--fondo); border-radius: 10px; padding: 10px 6px; text-align: center; }
.resumen b { display: block; font-size: 18px; color: var(--guinda-2); }
.resumen small { font-size: 11px; color: var(--suave); }
.curso { margin-bottom: 11px; }
.curso .fila { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 4px; gap: 8px; }
.curso .fila span:last-child { color: var(--suave); white-space: nowrap; }
.curso .barra-c { height: 8px; background: var(--fondo); border-radius: 4px; overflow: hidden; display: flex; }
.curso .barra-c i { display: block; height: 100%; }
.curso .barra-c .b { background: var(--verde); }
.curso .barra-c .m { background: #e5a19a; }
.leyenda { display: flex; gap: 14px; font-size: 12px; color: var(--suave); margin: 4px 0 14px; }
.leyenda i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 4px; vertical-align: -1px; }

.cargando { position: fixed; inset: 0; z-index: 30; background: rgba(245,242,238,.7); display: grid; place-items: center; }
.rueda { width: 42px; height: 42px; border-radius: 50%; border: 4px solid var(--guinda-claro); border-top-color: var(--guinda); animation: girar .8s linear infinite; }
@keyframes girar { to { transform: rotate(360deg); } }
#confeti { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 40; }

@media (min-width: 700px) {
  .modal { align-items: center; }
  .hoja { border-radius: 20px; }
  .lista { grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}