/**
 * CAMPAIGN PROMOTION STYLES
 * 
 * Estilos profesionales para el sistema de promoción de Street Center
 * 
 * Características:
 * - Diseño responsive (desktop y mobile)
 * - Animaciones suaves y acceso
 * - Contraste y accesibilidad WCAG 2.1 AA
 * - Z-index estratégico
 * - Compatibilidad con navegadores modernos
 */

/* ============================================
   VARIABLES Y CUSTOM PROPERTIES
   ============================================ */

:root {
  --campaign-primary-color: #1a3a52;      /* Color corporativo azul oscuro */
  --campaign-primary-light: #2d5a7b;      /* Variante más clara */
  --campaign-primary-bg: #f8f9fa;         /* Fondo gris claro */
  --campaign-accent: #2ecc71;             /* Verde para éxito (thank you) */
  --campaign-text-primary: #1a1a1a;       /* Texto principal */
  --campaign-text-secondary: #666666;     /* Texto secundario */
  --campaign-border: #e0e0e0;             /* Bordes */
  --campaign-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  --campaign-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --campaign-z-index: 9999;               /* Z-index del modal */
  --campaign-border-radius: 12px;         /* Border radius */
  --campaign-transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   OVERLAY (Fondo oscuro semi-transparente)
   ============================================ */

.campaign-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0);
  backdrop-filter: blur(0px);
  z-index: var(--campaign-z-index);
  
  display: flex;
  align-items: center;
  justify-content: center;
  
  opacity: 0;
  transition: background-color 300ms ease, backdrop-filter 300ms ease, opacity 300ms ease;
  
  /* Prevenir scroll del body cuando overlay es visible */
  overflow: hidden;
}

.campaign-modal-overlay.campaign-modal-visible {
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  opacity: 1;
}

/* Bloquear scroll del body */
.campaign-modal-overlay.campaign-modal-visible body {
  overflow: hidden;
}

/* ============================================
   MODAL PRINCIPAL
   ============================================ */

.campaign-modal {
  position: relative;
  background: white;
  border-radius: var(--campaign-border-radius);
  box-shadow: var(--campaign-shadow);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  
  /* Animación de entrada */
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  transition: var(--campaign-transition);
}

.campaign-modal-overlay.campaign-modal-visible .campaign-modal {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Variante posición CENTER (Desktop) */
.campaign-modal.campaign-modal-center {
  width: 90%;
  max-width: 480px;
  padding: 40px 32px;
  margin: 0 auto;
}

/* Variante posición BOTTOM (Mobile) */
.campaign-modal.campaign-modal-bottom {
  width: 100%;
  max-width: 100%;
  border-radius: var(--campaign-border-radius) var(--campaign-border-radius) 0 0;
  margin: 0;
  margin-top: auto;
  padding: 32px 24px 48px;
  animation: slideUp 300ms cubic-bezier(0.23, 1, 0.320, 1);
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ============================================
   BOTÓN DE CERRAR
   ============================================ */

.campaign-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  
  width: 40px;
  height: 40px;
  padding: 8px;
  
  background-color: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--campaign-text-secondary);
  
  transition: background-color 200ms ease, color 200ms ease;
  z-index: 10;
}

.campaign-modal-close:hover {
  background-color: var(--campaign-primary-bg);
  color: var(--campaign-text-primary);
}

.campaign-modal-close:focus {
  outline: 2px solid var(--campaign-primary-color);
  outline-offset: 2px;
}

.campaign-modal-close:active {
  transform: scale(0.95);
}

/* SVG del botón */
.campaign-modal-close svg {
  width: 24px;
  height: 24px;
  stroke-width: 2;
}

/* ============================================
   CONTENIDO DEL MODAL
   ============================================ */

.campaign-modal-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: center;
}

/* ============================================
   EYEBROW (micro-copy)
   ============================================ */

.campaign-eyebrow {
  margin: 0;
  padding: 0;
  
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--campaign-primary-color);
  
  line-height: 1.4;
}

/* ============================================
   TÍTULO
   ============================================ */

.campaign-title {
  margin: 0;
  padding: 0;
  
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--campaign-text-primary);
  
  /* Breakpoint mobile */
}

@media (max-width: 480px) {
  .campaign-title {
    font-size: 24px;
  }
}

/* ============================================
   DESCRIPCIÓN
   ============================================ */

.campaign-description {
  margin: 0;
  padding: 0;
  
  font-size: 15px;
  line-height: 1.6;
  color: var(--campaign-text-secondary);
  
  /* Optimización de legibilidad */
  word-spacing: 0.02em;
  letter-spacing: 0;
}

/* ============================================
   ACCIONES (BOTONES)
   ============================================ */

.campaign-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

/* Botón Primario */
.btn-campaign-primary {
  padding: 12px 24px;
  
  background-color: var(--campaign-primary-color);
  color: white;
  
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  
  border: none;
  border-radius: 6px;
  cursor: pointer;
  
  transition: var(--campaign-transition);
  
  /* Touch targets mínimo 48x48px */
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  
  /* Focus visible para accesibilidad */
  outline: 2px solid transparent;
  outline-offset: 2px;
}

.btn-campaign-primary:hover {
  background-color: var(--campaign-primary-light);
  box-shadow: var(--campaign-shadow-sm);
  transform: translateY(-2px);
}

.btn-campaign-primary:active {
  transform: translateY(0);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn-campaign-primary:focus-visible {
  outline-color: var(--campaign-primary-color);
}

/* Botón Secundario */
.btn-campaign-secondary {
  padding: 12px 24px;
  
  background-color: transparent;
  color: var(--campaign-text-secondary);
  
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  
  border: 1px solid var(--campaign-border);
  border-radius: 6px;
  cursor: pointer;
  
  transition: var(--campaign-transition);
  
  /* Touch targets mínimo 48x48px */
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  
  /* Focus visible */
  outline: 2px solid transparent;
  outline-offset: 2px;
}

.btn-campaign-secondary:hover {
  background-color: var(--campaign-primary-bg);
  border-color: var(--campaign-primary-color);
  color: var(--campaign-text-primary);
}

.btn-campaign-secondary:active {
  background-color: #f0f0f0;
}

.btn-campaign-secondary:focus-visible {
  outline-color: var(--campaign-primary-color);
}

/* ============================================
   TRUST SIGNAL (Señal de confianza)
   ============================================ */

.campaign-trust {
  margin: 0;
  padding: 0;
  
  font-size: 12px;
  color: var(--campaign-text-secondary);
  line-height: 1.5;
  
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.campaign-trust svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--campaign-accent);
}

/* ============================================
   PANTALLA DE AGRADECIMIENTO
   ============================================ */

.campaign-thank-you {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
}

.campaign-thank-you-title {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  color: var(--campaign-text-primary);
}

.campaign-thank-you-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--campaign-text-secondary);
}

.campaign-final-close {
  margin-top: 12px !important;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablets y dispositivos pequeños */
@media (max-width: 768px) {
  .campaign-modal-overlay {
    padding: 16px;
  }
  
  .campaign-modal.campaign-modal-center {
    width: 100%;
    max-width: 100%;
    padding: 32px 24px;
  }
}

/* Dispositivos muy pequeños (< 360px) */
@media (max-width: 360px) {
  .campaign-modal-close {
    width: 36px;
    height: 36px;
    top: 12px;
    right: 12px;
  }
  
  .campaign-title {
    font-size: 20px;
  }
  
  .campaign-description {
    font-size: 14px;
  }
  
  .btn-campaign-primary,
  .btn-campaign-secondary {
    padding: 10px 16px;
    font-size: 14px;
  }
}

/* ============================================
   ACCESIBILIDAD
   ============================================ */

/* Modo de contraste alto */
@media (prefers-contrast: more) {
  .campaign-modal-overlay {
    background-color: rgba(0, 0, 0, 0.7);
  }
  
  .campaign-modal {
    border: 2px solid var(--campaign-primary-color);
  }
  
  .btn-campaign-secondary {
    border-width: 2px;
  }
}

/* Modo oscuro (dark mode) */
@media (prefers-color-scheme: dark) {
  :root {
    --campaign-primary-bg: #2a2a2a;
    --campaign-text-primary: #ffffff;
    --campaign-text-secondary: #b0b0b0;
    --campaign-border: #444444;
  }
  
  .campaign-modal {
    background-color: #1e1e1e;
    color: var(--campaign-text-primary);
  }
}

/* Reducción de movimiento */
@media (prefers-reduced-motion: reduce) {
  .campaign-modal-overlay,
  .campaign-modal,
  .btn-campaign-primary,
  .btn-campaign-secondary,
  .campaign-modal-close {
    transition: none;
  }
  
  @keyframes slideUp {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }
}

/* ============================================
   ESTADOS ESPECIALES
   ============================================ */

/* Cuando el navegador está en modo lectora */
@media (display-mode: standalone) {
  .campaign-modal-overlay {
    padding-bottom: 20px;  /* Extra space para safe area */
  }
}

/* Print */
@media print {
  .campaign-modal-overlay {
    display: none !important;
  }
}