/**
 * MOBILE SEARCH MODAL COMPONENT
 * Modal de búsqueda a pantalla completa para dispositivos móviles
 * Diseño profesional siguiendo patrones de redes sociales modernas
 * 
 * @author MrGreen Development Team
 * @version 1.0.0
 * @since 2025-01-09
 */

/* ===== VARIABLES CSS ===== */
@import url('../design-tokens.css');

:root {
  --mobile-search-z-index: 10050;
  --mobile-search-bg: #ffffff;
  --mobile-search-backdrop: rgba(0, 0, 0, 0.75);
  --mobile-search-header-height: 64px;
  --mobile-search-input-height: 56px;
  --mobile-search-border: #e5e7eb;
  --mobile-search-focus-border: #53fc1b;
  --mobile-search-focus-shadow: 0 0 0 3px rgba(83, 252, 27, 0.15);
}

/* ===== MODAL BACKDROP ===== */
.mobile-search-modal {
  position: fixed;
  inset: 0;
  z-index: var(--mobile-search-z-index);
  display: none;
  flex-direction: column;
  background: var(--mobile-search-bg);
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform, opacity;
}

.mobile-search-modal.is-open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

/* ===== HEADER DEL MODAL ===== */
.mobile-search-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--mobile-search-header-height);
  min-height: var(--mobile-search-header-height);
  padding: 0 16px;
  border-bottom: 1px solid var(--mobile-search-border);
  background: var(--mobile-search-bg);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.mobile-search-modal__back-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  border: none;
  background: transparent;
  color: #374151;
  cursor: pointer;
  border-radius: 12px;
  transition: all 0.2s ease;
  font-size: 20px;
  padding: 0;
  margin-right: 12px;
  flex-shrink: 0;
}

.mobile-search-modal__back-btn:hover {
  background: #f3f4f6;
}

.mobile-search-modal__back-btn:active {
  background: #e5e7eb;
  transform: scale(0.95);
}

/* ===== CONTENEDOR DE BÚSQUEDA ===== */
.mobile-search-modal__search-container {
  flex: 1;
  display: flex;
  align-items: center;
  position: relative;
  margin-right: 8px;
}

.mobile-search-modal__input-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
}

.mobile-search-modal__search-icon {
  position: absolute;
  left: 16px;
  color: #9ca3af;
  font-size: 18px;
  pointer-events: none;
  z-index: 2;
}

.mobile-search-modal__input {
  width: 100%;
  height: var(--mobile-search-input-height);
  min-height: var(--mobile-search-input-height);
  padding: 0 48px 0 48px;
  border: 2px solid var(--mobile-search-border);
  border-radius: 16px;
  background: #f9fafb;
  color: #111827;
  font-size: 16px;
  font-weight: 400;
  outline: none;
  transition: all 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.mobile-search-modal__input:focus {
  background: #ffffff;
  border-color: var(--mobile-search-focus-border);
  box-shadow: var(--mobile-search-focus-shadow);
  transform: translateY(-1px);
}

.mobile-search-modal__input::placeholder {
  color: #9ca3af;
}

.mobile-search-modal__clear-btn {
  position: absolute;
  right: 12px;
  display: none;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: #9ca3af;
  cursor: pointer;
  border-radius: 50%;
  transition: all 0.2s ease;
  font-size: 16px;
  padding: 0;
  z-index: 2;
}

.mobile-search-modal__clear-btn.is-visible {
  display: flex;
}

.mobile-search-modal__clear-btn:hover {
  background: #f3f4f6;
  color: #374151;
}

.mobile-search-modal__clear-btn:active {
  transform: scale(0.9);
}

/* ===== CONTENIDO DEL MODAL ===== */
.mobile-search-modal__content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  -webkit-overflow-scrolling: touch;
  background: transparent;
}

.mobile-search-modal__results {
  display: none;
}

.mobile-search-modal__results.is-visible {
  display: block;
}

.mobile-search-modal__empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
  text-align: center;
  color: #6b7280;
  min-height: 300px;
}

.mobile-search-modal__empty-icon {
  font-size: 64px;
  color: #d1d5db;
  margin-bottom: 24px;
  opacity: 0.6;
}

.mobile-search-modal__empty-title {
  font-size: 20px;
  font-weight: 700;
  color: #374151;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.mobile-search-modal__empty-description {
  font-size: 15px;
  color: #6b7280;
  line-height: 1.6;
  max-width: 280px;
}

/* ===== BOTÓN DE BÚSQUEDA EN HEADER (MÓVIL) ===== */
.universal-header__search-mobile-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  border: none;
  background: #f3f4f6;
  color: #374151;
  cursor: pointer;
  border-radius: 12px;
  transition: all 0.2s ease;
  font-size: 18px;
  padding: 0;
  margin-right: 8px;
  flex-shrink: 0;
  visibility: hidden;
  opacity: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.universal-header__search-mobile-btn:hover {
  background: #e5e7eb;
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.universal-header__search-mobile-btn:active {
  transform: translateY(0) scale(0.95);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Mostrar en móvil */
@media (max-width: 768px) {
  .universal-header__search-mobile-btn {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
}

.universal-header__search-mobile-btn:hover {
  background: #f3f4f6;
}

.universal-header__search-mobile-btn:active {
  transform: scale(0.95);
}

/* ===== RESPONSIVE ===== */
/* Los estilos del botón móvil están en universal-header.css */

/* ===== MODO OSCURO ===== */
.dark-mode .mobile-search-modal {
  background: var(--color-surface-primary) !important;
  background-color: var(--color-surface-primary) !important;
}

.dark-mode .mobile-search-modal__header {
  background: var(--color-surface-primary) !important;
  background-color: var(--color-surface-primary) !important;
  border-bottom-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.dark-mode .mobile-search-modal__back-btn {
  color: #f9fafb;
}

.dark-mode .mobile-search-modal__back-btn:hover {
  background: var(--color-surface-elevated);
}

.dark-mode .mobile-search-modal__back-btn:active {
  background: var(--color-surface-elevated);
  opacity: 0.8;
}

.dark-mode .mobile-search-modal__input {
  background: var(--color-surface-elevated);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--color-text-primary);
}

.dark-mode .mobile-search-modal__input:focus {
  background: var(--color-surface-elevated) !important;
  border-color: var(--mobile-search-focus-border);
  color: var(--color-text-primary) !important;
}

.dark-mode .mobile-search-modal__input::placeholder {
  color: #9ca3af;
}

.dark-mode .mobile-search-modal__search-icon {
  color: #9ca3af;
}

.dark-mode .mobile-search-modal__clear-btn {
  color: #9ca3af;
}

.dark-mode .mobile-search-modal__clear-btn:hover {
  background: var(--color-surface-elevated);
  color: var(--color-text-primary);
}

.dark-mode .mobile-search-modal__content {
  background: var(--color-surface-primary) !important;
  background-color: var(--color-surface-primary) !important;
}

.dark-mode .mobile-search-modal__empty-state {
  background: transparent;
}

.dark-mode .mobile-search-modal__empty-icon {
  color: #4b5563;
}

.dark-mode .mobile-search-modal__empty-title {
  color: var(--color-text-primary) !important;
}

.dark-mode .mobile-search-modal__empty-description {
  color: var(--color-text-secondary) !important;
}

.dark-mode .universal-header__search-mobile-btn {
  color: #f9fafb;
  background: #374151;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.dark-mode .universal-header__search-mobile-btn:hover {
  background: #4b5563;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

/* ===== RESULTADOS DE BÚSQUEDA ===== */
.mobile-search-modal__results-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.mobile-search-modal__result-item {
  display: flex;
  align-items: center;
  padding: 16px;
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid var(--mobile-search-border);
  transition: all 0.2s ease;
  cursor: pointer;
  position: relative;
}

.mobile-search-modal__result-item:hover,
.mobile-search-modal__result-item:active {
  background: #f9fafb;
  transform: translateX(4px);
}

.mobile-search-modal__result-item:last-child {
  border-bottom: none;
}

.mobile-search-modal__result-image {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  overflow: hidden;
  margin-right: 16px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f3f4f6;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.mobile-search-modal__result-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mobile-search-modal__result-image i {
  font-size: 20px;
  color: #9ca3af;
}

.mobile-search-modal__result-content {
  flex: 1;
  min-width: 0;
}

.mobile-search-modal__result-title {
  font-size: 16px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.mobile-search-modal__result-subtitle {
  font-size: 14px;
  color: #6b7280;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}

.mobile-search-modal__result-arrow {
  margin-left: 12px;
  color: #9ca3af;
  font-size: 16px;
  flex-shrink: 0;
  opacity: 0.6;
  transition: all 0.2s ease;
}

.mobile-search-modal__result-item:hover .mobile-search-modal__result-arrow {
  opacity: 1;
  transform: translateX(4px);
  color: var(--mobile-search-focus-border);
}

.mobile-search-modal__no-results {
  padding: 64px 24px;
  text-align: center;
  color: #6b7280;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.mobile-search-modal__no-results-icon {
  font-size: 64px;
  color: #d1d5db;
  margin-bottom: 24px;
  opacity: 0.6;
}

.mobile-search-modal__no-results-title {
  font-size: 20px;
  font-weight: 700;
  color: #374151;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.mobile-search-modal__no-results-description {
  font-size: 15px;
  color: #6b7280;
  line-height: 1.6;
  max-width: 280px;
}

/* Modo oscuro para resultados */
.dark-mode .mobile-search-modal__result-item {
  border-bottom-color: #374151;
  background: transparent;
}

.dark-mode .mobile-search-modal__result-item:hover,
.dark-mode .mobile-search-modal__result-item:active {
  background: var(--color-surface-elevated) !important;
}

.dark-mode .mobile-search-modal__result-image {
  background: var(--color-surface-elevated) !important;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.dark-mode .mobile-search-modal__result-image i {
  color: #9ca3af;
}

.dark-mode .mobile-search-modal__result-title {
  color: var(--color-text-primary) !important;
}

.dark-mode .mobile-search-modal__result-subtitle {
  color: var(--color-text-secondary) !important;
}

.dark-mode .mobile-search-modal__result-arrow {
  color: #6b7280;
}

.dark-mode .mobile-search-modal__no-results {
  background: transparent;
}

.dark-mode .mobile-search-modal__no-results-icon {
  color: #4b5563;
}

.dark-mode .mobile-search-modal__no-results-title {
  color: var(--color-text-primary) !important;
}

.dark-mode .mobile-search-modal__no-results-description {
  color: var(--color-text-secondary) !important;
}

/* ===== PROMPT DE REGISTRO ===== */
.mobile-search-modal__signup-prompt {
  padding: 64px 24px;
  text-align: center;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.mobile-search-modal__signup-icon {
  font-size: 64px;
  color: #53fc1b;
  margin-bottom: 24px;
}

.mobile-search-modal__signup-title {
  font-size: 20px;
  font-weight: 700;
  color: #374151;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.mobile-search-modal__signup-text {
  font-size: 15px;
  color: #6b7280;
  line-height: 1.6;
  max-width: 280px;
  margin-bottom: 32px;
}

.mobile-search-modal__signup-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 280px;
}

.mobile-search-modal__signup-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.mobile-search-modal__signup-btn-primary {
  background: #53fc1b;
  color: #111827;
}

.mobile-search-modal__signup-btn-primary:hover,
.mobile-search-modal__signup-btn-primary:active {
  background: #45d816;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(83, 252, 27, 0.3);
}

.mobile-search-modal__signup-btn-secondary {
  background: #f3f4f6;
  color: #374151;
  border: 1px solid #e5e7eb;
}

.mobile-search-modal__signup-btn-secondary:hover,
.mobile-search-modal__signup-btn-secondary:active {
  background: #e5e7eb;
  transform: translateY(-1px);
}

/* Modo oscuro - Prompt de registro */
.dark-mode .mobile-search-modal__signup-title {
  color: var(--color-text-primary) !important;
}

.dark-mode .mobile-search-modal__signup-text {
  color: var(--color-text-secondary) !important;
}

.dark-mode .mobile-search-modal__signup-btn-secondary {
  background: var(--color-surface-elevated) !important;
  color: var(--color-text-primary) !important;
  border-color: rgba(255, 255, 255, 0.1) !important;
}

.dark-mode .mobile-search-modal__signup-btn-secondary:hover,
.dark-mode .mobile-search-modal__signup-btn-secondary:active {
  background: var(--color-state-hover) !important;
}

/* ===== ACCESIBILIDAD ===== */
@media (prefers-reduced-motion: reduce) {
  .mobile-search-modal,
  .mobile-search-modal__back-btn,
  .mobile-search-modal__input,
  .mobile-search-modal__clear-btn {
    transition: none;
  }
}

.mobile-search-modal__back-btn:focus-visible,
.mobile-search-modal__input:focus-visible,
.mobile-search-modal__clear-btn:focus-visible,
.universal-header__search-mobile-btn:focus-visible {
  outline: 2px solid var(--mobile-search-focus-border);
  outline-offset: 2px;
}