:root {
  --papascore-bg: #ffffff;
  --papascore-surface: #f8faf9;
  --papascore-border: #dee2e6;
  --papascore-text: #1a1d21;
  --papascore-muted: #5c6570;

  --papascore-primary: #1b8f5a;
  --papascore-primary-2: #157a4c;
  --papascore-primary-soft: #e8f5ee;
}

body {
  background: var(--papascore-bg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--papascore-text);
}

.papascore-header {
  background: var(--papascore-primary-soft);
  border-bottom: 2px solid var(--papascore-primary);
  color: var(--papascore-text);
}

.papascore-header .opacity-75 {
  opacity: 0.75 !important;
  color: var(--papascore-muted);
}

.header-chip {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--papascore-primary);
  background: #fff;
  color: var(--papascore-primary);
  font-weight: 600;
}

.card {
  border: 1px solid var(--papascore-border) !important;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.top-card .form-control,
.top-card .form-select,
textarea.form-control {
  background: #fff;
  border: 1px solid var(--papascore-border);
  color: var(--papascore-text);
}

.top-card .form-control:focus,
.top-card .form-select:focus,
textarea.form-control:focus {
  border-color: var(--papascore-primary);
  box-shadow: 0 0 0 0.2rem rgba(27, 143, 90, 0.15);
}

.form-label {
  color: var(--papascore-text);
  font-size: 0.92rem;
  font-weight: 600;
}

.pregunta-card {
  background: var(--papascore-surface);
}

.pregunta-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--papascore-primary);
  box-shadow: 0 0 0 3px var(--papascore-primary-soft);
}

.dot-muted {
  background: #adb5bd;
  box-shadow: none;
}

.badge-optional {
  color: var(--papascore-muted);
  border: 1px solid var(--papascore-border);
  background: #fff;
  font-weight: 600;
}

#contador-comentario {
  font-size: 0.85rem;
  color: var(--papascore-muted) !important;
}

.text-muted {
  color: var(--papascore-muted) !important;
}

.opciones-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.opcion-tile {
  position: relative;
  border-radius: 14px;
  border: 2px solid var(--papascore-border);
  background: #fff;
  padding: 1rem 0.85rem;
  cursor: pointer;
  min-height: 110px;
  user-select: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.opcion-tile:hover {
  border-color: #adb5bd;
  background: #fafbfc;
}

.opcion-tile .tile-emoji {
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: 0.5rem;
  display: block;
}

.opcion-tile .tile-title {
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.2;
  color: var(--papascore-text);
}

.opcion-tile .tile-sub {
  font-size: 0.8rem;
  color: var(--papascore-muted);
  margin-top: 0.25rem;
  line-height: 1.25;
}

.opcion-tile input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.opcion-tile.is-selected {
  border-color: var(--papascore-primary);
  background: var(--papascore-primary-soft);
  box-shadow: 0 0 0 3px rgba(27, 143, 90, 0.2);
}

.nps-stars {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 0.15rem;
  padding: 0.75rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.nps-star {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  border: none;
  background: transparent;
  padding: 0.35rem 0.15rem;
  cursor: pointer;
  user-select: none;
  transition: transform 0.12s ease;
  flex: 1 1 0;
  min-width: 1.75rem;
}

.nps-star:hover {
  transform: scale(1.08);
}

.nps-star input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nps-star-icon {
  font-size: 2.35rem;
  line-height: 1;
  color: #ced4da;
  transition: color 0.15s ease, text-shadow 0.15s ease, transform 0.12s ease;
}

.nps-star.is-filled .nps-star-icon {
  color: #f0a500;
  text-shadow: 0 1px 2px rgba(240, 165, 0, 0.35);
}

.nps-star.is-selected .nps-star-icon {
  color: #e09000;
  transform: scale(1.05);
}

.nps-star-num {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--papascore-muted);
  line-height: 1;
}

.nps-star.is-filled .nps-star-num {
  color: var(--papascore-text);
}

.btn-primary {
  background: linear-gradient(135deg, var(--papascore-primary), var(--papascore-primary-2));
  border: 0;
}

.btn-primary:hover {
  filter: brightness(1.05);
}

#panel-exito.card {
  background: #fff;
}

#alerta-error {
  border: 1px solid #f5c2c7;
  background: #f8d7da;
  color: #842029;
}

#panel-exito.d-none,
#fase-encuesta.d-none {
  display: none !important;
}

.opcion-tile.is-invalid,
.nps-star.is-invalid .nps-star-icon {
  color: #dc3545 !important;
  text-shadow: 0 0 0 3px rgba(220, 53, 69, 0.25);
}

@media (max-width: 576px) {
  .opciones-grid {
    gap: 0.65rem;
  }

  .opcion-tile {
    min-height: 100px;
    padding: 0.85rem 0.65rem;
  }

  .opcion-tile .tile-emoji {
    font-size: 2.15rem;
  }

  .nps-star-icon {
    font-size: 1.85rem;
  }

  .nps-stars {
    gap: 0.1rem;
  }
}