@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;600;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@20..48,500,1,0');

:root {
  --blue-100: #e0f0ff;
  --blue-200: #b8deff;
  --blue-300: #6ab7ff;
  --blue-400: #147aff;
  --blue-dark: #07132b;
  --panel: rgba(14, 25, 48, 0.65);
  --glass-border: rgba(106, 183, 255, 0.25);
  --glass-glow: rgba(20, 122, 255, 0.15);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

body.quiz-semiotica { 
  background: #020612; 
  color: #fff; 
  margin: 0; 
  padding: 0; 
  overflow-x: hidden;
}

.qs-container {
  min-height: 100vh;
  display: grid;
  place-items: center;
  align-content: center;
  justify-items: center;
  width: 100%;
  padding: clamp(1rem, 2.5vw, 2rem);
  background: 
    radial-gradient(circle at 15% 50%, rgba(20, 122, 255, 0.12), transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(138, 43, 226, 0.12), transparent 40%),
    #020612;
  box-sizing: border-box;
}

/* Animación de entrada principal a la app y vistas */
.qs-animate-enter {
  animation: fadeUp 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
  width: min(100%, 900px);
  margin: 0 auto;
}

.qs-card {
  max-width: 900px;
  width: 100%;
  margin-inline: auto;
  background: var(--panel);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 16px 50px var(--glass-glow), inset 0 1px 0 rgba(255,255,255,0.05);
  border-radius: 28px;
  padding: 40px;
  transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-sizing: border-box;
}

.qs-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  background: linear-gradient(135deg, #ffffff, var(--blue-200));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 0 1.5rem;
  text-align: center;
  letter-spacing: -0.02em;
}

.qs-sub { color: var(--blue-200); font-size: 1.15rem; font-weight: 600; }
.qs-meta { color: #8fa6c4; font-size: 0.95rem; margin-top: 0.5rem; font-weight: 600; }

.qs-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  margin-top: 1.5rem;
}

/* Botones con microinteracciones y transiciones puras */
.qs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 1rem 1.75rem;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  font-family: inherit;
  letter-spacing: 0.02em;
}

.qs-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; }

.qs-btn--primary {
  background: linear-gradient(135deg, #147aff, #0056d6);
  color: #fff;
  box-shadow: 0 4px 15px rgba(20, 122, 255, 0.25), inset 0 1px 1px rgba(255,255,255,0.3);
}
.qs-btn--primary:hover:not(:disabled) {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(20, 122, 255, 0.4), inset 0 1px 1px rgba(255,255,255,0.4);
}

.qs-btn--outline {
  background: rgba(255,255,255,0.02);
  color: var(--blue-200);
  border: 1px solid rgba(184, 222, 255, 0.2);
}
.qs-btn--outline:hover:not(:disabled) {
  background: rgba(255,255,255,0.08);
  border-color: rgba(184, 222, 255, 0.5);
  color: #fff;
  transform: translateY(-2px);
}

.qs-btn--white {
  background: #ffffff;
  color: #07132b;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}
.qs-btn--white:hover:not(:disabled) {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.25);
  color: #147aff;
}

/* Panel de preguntas / resultados */
.qs-panel {
  margin-top: 1.5rem;
  padding: 2.25rem;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 2px 15px rgba(0,0,0,0.3);
}
.qs-panel p { color: #ffffff; margin: 0; font-size: 1.25rem; line-height: 1.6; }

.qs-big {
  font-size: 2.25rem;
  font-weight: 800;
  text-align: center;
  padding: 3.5rem 2rem;
  background: linear-gradient(135deg, rgba(20, 122, 255, 0.12), rgba(138, 43, 226, 0.08));
  border: 1px solid rgba(20, 122, 255, 0.25);
  border-radius: 28px;
  color: #fff;
  box-shadow: inset 0 0 30px rgba(0,0,0,0.2);
}

.qs-feedback-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.qs-mi {
  font-family: 'Material Symbols Rounded';
  font-weight: normal;
  font-style: normal;
  font-size: 1.9rem;
  line-height: 1;
  display: inline-block;
  letter-spacing: normal;
  text-transform: none;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-variation-settings: 'FILL' 1, 'wght' 500, 'GRAD' 0, 'opsz' 24;
}

/* Barra de progreso - Corregida 100% y animada */
.qs-progress {
  position: relative;
  width: 100%;
  height: 14px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  margin-top: 1.5rem;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.5);
}

.qs-progress__bar {
  /* ¡Vital! absolute, left 0, top 0, bottom 0 asegura que tenga la altura del padre si no usar flow */
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, #147aff, #00d2ff);
  border-radius: 999px;
  box-shadow: inset 0 2px 4px rgba(255,255,255,0.4), 0 0 15px rgba(20, 122, 255, 0.6);
  transition: width 0.8s cubic-bezier(0.34, 1.56, 0.64, 1); /* Bounce effect al crecer */
}

.qs-progress__bar::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(45deg, rgba(255,255,255,0.2) 25%, transparent 25%, transparent 50%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0.2) 75%, transparent 75%, transparent);
  background-size: 1.25rem 1.25rem;
  animation: progressStripes 1s linear infinite;
  border-radius: 999px;
}

/* Utilities */
.qs-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.85rem;
  background: rgba(20, 122, 255, 0.15);
  border: 1px solid rgba(20, 122, 255, 0.3);
  color: #b8deff;
}

.qs-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  /* El color del icono hereda (currentColor) */
}

/* Listados (Historial) */
.qs-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.85rem; }
.qs-list li {
  padding: 1.25rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: transform 0.2s;
}
.qs-list li:hover {
  transform: scale(1.01);
  background: rgba(255, 255, 255, 0.05);
}

/* Animaciones Custom */
@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(30px) scale(0.97); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes popIn {
  0% { opacity: 0; transform: scale(0.9) translateY(10px); }
  60% { transform: scale(1.05); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes progressStripes {
  0% { background-position: 1.25rem 0; }
  100% { background-position: 0 0; }
}

.qs-feedback-enter { animation: popIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }

.is-busy .qs-btn { pointer-events: none; opacity: 0.5; filter: grayscale(50%); }
.is-busy .qs-btn[data-act="skipFeedback"] { pointer-events: auto; opacity: 1; filter: none; }

@media (max-width: 600px) {
  .qs-container {
    min-height: 100svh;
    padding: 1rem;
    align-content: start;
  }
  .qs-animate-enter {
    width: 100%;
  }
  .qs-card { padding: 24px; border-radius: 24px; }
  .qs-title { font-size: 1.75rem; }
  .qs-btn { width: 100%; }
  .qs-panel { padding: 1.25rem; }
  .qs-big { font-size: 1.5rem; padding: 2rem 1rem; }
  .qs-mi { font-size: 1.45rem; }
}