/* ==========================================================================
   ARTEFACTO VISUAL — Solicitar Proyecto
   pages/solicitar-proyecto.css v1.0 2026
   ========================================================================== */

/* Layout principal */
.briefing-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: start;
}

@media (min-width: 1024px) {
  .briefing-layout {
    grid-template-columns: 1fr 320px;
    gap: var(--space-16);
  }
}

/* Panel lateral informativo */
.briefing-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  order: 2;
}

@media (min-width: 1024px) {
  .briefing-sidebar { order: 2; }
}

.briefing-info-card {
  background-color: var(--color-bg-surface);
  border: 0.5px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.briefing-info-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.briefing-info-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.briefing-info-list li + li { margin-top: 0; }

.briefing-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-snug);
}

.briefing-info-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background-color: var(--color-brand-primary);
  flex-shrink: 0;
  margin-top: 6px;
}

/* Panel del formulario */
.briefing-form-panel {
  background-color: var(--color-bg-surface);
  border: 0.5px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  order: 1;
}

@media (max-width: 479px) {
  .briefing-form-panel { padding: var(--space-6) var(--space-5); }
}

/* Stepper personalizado para 3 pasos */
.briefing-stepper {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-8);
}

.briefing-step {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 0;
}

.briefing-step:last-child { flex: 0; }

.briefing-step-indicator {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border-default);
  background-color: var(--color-bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--color-text-tertiary);
  flex-shrink: 0;
  transition: border-color var(--transition-base),
              background-color var(--transition-base),
              color var(--transition-base);
  position: relative;
  z-index: 1;
}

.briefing-step-line {
  flex: 1;
  height: 1.5px;
  background-color: var(--color-border-default);
  transition: background-color var(--transition-base);
}

.briefing-step.completed .briefing-step-indicator {
  background-color: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
  color: white;
}

.briefing-step.active .briefing-step-indicator {
  border-color: var(--color-brand-primary);
  color: var(--color-brand-primary);
  box-shadow: 0 0 0 3px var(--color-brand-primary-subtle);
}

.briefing-step.completed + .briefing-step .briefing-step-line,
.briefing-step.completed .briefing-step-line {
  background-color: var(--color-brand-primary);
}

/* Etiquetas del stepper (solo desktop) */
.briefing-step-labels {
  display: none;
}

@media (min-width: 480px) {
  .briefing-step-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-2);
    margin-bottom: var(--space-6);
  }

  .briefing-step-label {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
    text-align: center;
    flex: 1;
    transition: color var(--transition-base);
  }

  .briefing-step-label:last-child { flex: 0; min-width: 80px; }
  .briefing-step-label.active  { color: var(--color-brand-primary); font-weight: var(--weight-medium); }
  .briefing-step-label.completed { color: var(--color-text-secondary); }
}

/* Pasos del formulario */
.briefing-step-panel {
  display: none;
  flex-direction: column;
  gap: var(--space-6);
  animation: fadeInStep 280ms ease forwards;
}

.briefing-step-panel.active { display: flex; }

@keyframes fadeInStep {
  from { opacity: 0; transform: translateX(8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.briefing-step-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2);
}

.briefing-step-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
  max-width: none;
  line-height: var(--leading-snug);
}

/* Grid de tarjetas de servicio */
.service-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 480px) {
  .service-cards-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Navegación entre pasos */
.briefing-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 0.5px solid var(--color-border-subtle);
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.briefing-nav-left { display: flex; align-items: center; gap: var(--space-3); }

/* Indicador de paso actual en móvil */
.briefing-step-mobile {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

/* Upload de archivos */
.briefing-upload-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.briefing-upload-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-bg-sunken);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.briefing-upload-item-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.briefing-upload-remove {
  color: var(--color-text-tertiary);
  cursor: pointer;
  flex-shrink: 0;
  background: none;
  border: none;
  padding: 0;
  line-height: 1;
  transition: color var(--transition-fast);
}

.briefing-upload-remove:hover { color: var(--color-error); }

/* Estado de éxito */
.briefing-success {
  display: none;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-5);
  padding: var(--space-10) var(--space-6);
}

.briefing-success.visible { display: flex; }

.briefing-success-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background-color: var(--color-success-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-success);
}

.briefing-success-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.briefing-success-desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: 40ch;
  margin: 0;
  line-height: var(--leading-snug);
}

/* Error general */
.briefing-error {
  display: none;
  padding: var(--space-4);
  background-color: var(--color-error-bg);
  border: 0.5px solid var(--color-error);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-error-text);
}

.briefing-error.visible { display: block; }