* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, system-ui, sans-serif;
  background: #111;
  color: #eee;
}

main {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
}

.login form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  max-width: 320px;
}

input, button {
  font-size: 1.1rem;
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid #444;
}

button {
  background: #2d6cdf;
  color: white;
  border: none;
  cursor: pointer;
}

.error { color: #e55; }

a { color: #6ab0ff; }

.oculto { display: none !important; }

/* ── Home ─────────────────────────────────────────────────────────────── */

.home .racha { font-size: 1.3rem; margin: 0.25rem 0; }
.home .pendientes { color: #aaa; margin: 0 0 1.5rem; }
.home .al-dia { color: #6c6; }
.home .salir { margin-top: 2rem; font-size: 0.9rem; }

.boton {
  display: inline-block;
  background: #2d6cdf;
  color: white;
  padding: 0.9rem 2rem;
  border-radius: 10px;
  text-decoration: none;
  font-size: 1.1rem;
}

/* ── Repaso ───────────────────────────────────────────────────────────── */

#barra-progreso {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: #222;
  z-index: 10;
}
#barra-progreso-relleno {
  height: 100%;
  width: 0%;
  background: #2d6cdf;
  transition: width 0.2s;
}

main.repaso {
  padding-top: 3rem;
  gap: 1rem;
}

#tarjeta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  min-height: 20vh;
  justify-content: center;
}

#contenido-principal {
  font-size: 3rem;
  line-height: 1.3;
  word-break: break-word;
}

#lectura-secundaria {
  font-size: 1.2rem;
  color: #aaa;
}

.significados {
  font-size: 1.2rem;
  color: #ddd;
}

#zona-mnemonico {
  background: #1c1c1c;
  border-radius: 10px;
  padding: 0.75rem 1rem;
  width: 100%;
  max-width: 420px;
  font-size: 0.95rem;
  color: #ccc;
}

#zona-respuesta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  max-width: 320px;
}

#zona-respuesta input {
  text-align: center;
}

#zona-feedback {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1rem;
  border-radius: 10px;
}
#zona-feedback.correcto { background: #163a1e; }
#zona-feedback.incorrecto { background: #3a1616; }

#texto-feedback { font-size: 1.1rem; margin: 0; }

.enlace {
  background: none;
  border: none;
  color: #6ab0ff;
  text-decoration: underline;
  padding: 0.25rem;
  font-size: 0.9rem;
  cursor: pointer;
}

#editor-mnemonico, #editor-significado {
  display: flex;
  gap: 0.5rem;
}
#editor-mnemonico textarea, #editor-significado input {
  flex: 1;
}