/* =====================================================
   NUTRIPLUS IA - ESTILOS
   ===================================================== */

/* Hero Section */
.nutriplus-hero {
  padding: 8rem 0 4rem;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.nutriplus-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(30, 170, 138, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.nutriplus-hero .hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(154, 191, 154, 0.2);
  color: var(--nature-teal);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(0, 77, 77, 0.1);
}

.nutriplus-hero h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.hero-features {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-body);
  font-size: 0.95rem;
}

.hero-feature svg {
  color: var(--primary);
}

/* Tools Section */
.nutriplus-tools {
  padding: 4rem 0;
}

/* Tool Tabs */
.tools-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tool-tab {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  color: var(--text-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.tool-tab:hover {
  border-color: var(--primary-light);
  color: var(--nature-teal);
  background: rgba(154, 191, 154, 0.05);
}

.tool-tab.active {
  background: rgba(30, 170, 138, 0.15);
  border-color: var(--primary);
  color: var(--nature-teal);
  box-shadow: var(--shadow-sm);
}

.tool-tab svg {
  width: 20px;
  height: 20px;
}

/* Tool Panels */
.tools-content {
  max-width: 900px;
  margin: 0 auto;
}

.tool-panel {
  display: none;
}

.tool-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tool Card */
.tool-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}

.tool-header {
  text-align: center;
  margin-bottom: 2rem;
}

.tool-header h2 {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

.tool-header p {
  color: var(--text-body);
  font-size: 1rem;
}

/* Form Styles */
.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-dark);
  font-size: 0.9rem;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-light);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  color: var(--text-dark);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 170, 138, 0.1);
}

.form-group input::placeholder {
  color: var(--text-light);
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-body);
  font-size: 0.9rem;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

/* Results Container */
.results-container {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-200);
}

.results-container.hidden {
  display: none;
}

.results-container h3 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.result-card {
  background: var(--bg-section);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
}

.result-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.result-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.result-unit {
  font-size: 0.85rem;
  color: var(--text-body);
}

.result-tip {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: rgba(30, 170, 138, 0.1);
  border: 1px solid rgba(30, 170, 138, 0.2);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.result-tip svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.result-tip p {
  color: var(--gray-light);
  font-size: 0.9rem;
  margin: 0;
}

.result-tip a {
  color: var(--primary);
  text-decoration: underline;
}

/* Plan Content */
.plan-content {
  background: var(--dark);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.plan-content h4 {
  color: var(--primary);
  font-size: 1.1rem;
  margin: 1.5rem 0 0.75rem;
}

.plan-content h4:first-child {
  margin-top: 0;
}

.plan-content p {
  color: var(--gray-light);
  line-height: 1.7;
  margin-bottom: 0.5rem;
}

.plan-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.plan-content li {
  color: var(--gray-light);
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.plan-content li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
}

/* Menu Content */
.menu-content {
  display: grid;
  gap: 1rem;
}

.menu-day {
  background: var(--dark);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  border-left: 3px solid var(--primary);
}

.menu-day h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.menu-day .meals {
  display: grid;
  gap: 0.5rem;
}

.menu-day .meal {
  display: flex;
  gap: 0.75rem;
  color: var(--text-body);
  font-size: 0.9rem;
}

.menu-day .meal-type {
  color: var(--primary);
  font-weight: 500;
  min-width: 80px;
}

/* Chat Styles */
.chat-card {
  display: flex;
  flex-direction: column;
  height: 650px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
}

.chat-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: transparent;
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chat-message {
  display: flex;
  gap: 0.75rem;
  max-width: 85%;
}

.chat-message.bot {
  align-self: flex-start;
}

.chat-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.message-avatar svg {
  width: 20px;
  height: 20px;
  color: var(--white);
}

.chat-message.user .message-avatar {
  background: var(--gray-400);
}

.message-content {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 18px 18px 18px 4px;
  padding: 1rem 1.25rem;
  color: var(--text-body);
  font-size: 0.95rem;
  line-height: 1.6;
  box-shadow: 0 2px 10px rgba(0, 77, 77, 0.03);
}

.chat-message.user .message-content {
  background: var(--nature-teal);
  border-color: var(--nature-teal);
  color: var(--white);
  border-radius: 18px 18px 4px 18px;
  box-shadow: 0 4px 15px rgba(0, 77, 77, 0.1);
}

.message-content p {
  margin: 0 0 0.5rem;
}

.message-content p:last-child {
  margin-bottom: 0;
}

.message-content ul {
  margin: 0.5rem 0;
  padding-left: 1.25rem;
}

.message-content li {
  margin-bottom: 0.25rem;
}

.chat-input-container {
  display: flex;
  gap: 0.75rem;
  padding: 1.25rem;
  background: rgba(253, 251, 238, 0.5);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--gray-200);
}

#chat-input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 50px;
  color: var(--text-dark);
  font-size: 0.95rem;
  transition: var(--transition);
}

#chat-input:focus {
  outline: none;
  border-color: var(--primary);
}

.chat-send-btn {
  width: 48px;
  height: 48px;
  background: var(--nature-teal);
  border: none;
  border-radius: 50%;
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 4px 12px rgba(0, 77, 77, 0.2);
}

.chat-send-btn:hover {
  transform: scale(1.05);
}

.chat-suggestions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.chat-suggestions span {
  color: var(--text-light);
  font-size: 0.85rem;
}

.suggestion-chip {
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--gray-300);
  border-radius: 50px;
  color: var(--text-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.suggestion-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(30, 170, 138, 0.05);
}

/* CTA Section */
.nutriplus-cta {
  margin-top: 4rem;
  background: linear-gradient(135deg, #e8f5f1 0%, #d4f0e7 100%);
  border: 1px solid var(--primary-light);
  border-radius: var(--radius-xl);
  padding: 3rem;
  text-align: center;
}

.cta-content h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.cta-content p {
  color: var(--text-body);
  max-width: 600px;
  margin: 0 auto 1.5rem;
  line-height: 1.7;
}

/* Loading State */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--text-body);
}

.loading-dots {
  display: flex;
  gap: 4px;
}

.loading-dots span {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) {
  animation-delay: -0.32s;
}

.loading-dots span:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes bounce {

  0%,
  80%,
  100% {
    transform: scale(0);
  }

  40% {
    transform: scale(1);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .nutriplus-hero h1 {
    font-size: 2.5rem;
  }

  .hero-features {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

  .tools-tabs {
    flex-direction: column;
    align-items: stretch;
  }

  .tool-tab {
    justify-content: center;
  }

  .tool-tab span {
    display: inline;
  }

  .tool-card {
    padding: 1.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .chat-card {
    height: 500px;
  }

  .chat-message {
    max-width: 95%;
  }

  .chat-suggestions {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .results-grid {
    grid-template-columns: 1fr;
  }

  .nutriplus-cta {
    padding: 2rem 1.5rem;
  }
}

/* =====================================================
   LOADING IA - Estilos para generadores con IA
   ===================================================== */

.loading-ai {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
  text-align: center;
}

.loading-ai .loading-dots {
  display: flex;
  gap: 8px;
  margin-bottom: 1.5rem;
}

.loading-ai .loading-dots span {
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  animation: loadingPulse 1.4s infinite ease-in-out both;
}

.loading-ai .loading-dots span:nth-child(1) {
  animation-delay: -0.32s;
}

.loading-ai .loading-dots span:nth-child(2) {
  animation-delay: -0.16s;
}

.loading-ai .loading-dots span:nth-child(3) {
  animation-delay: 0s;
}

@keyframes loadingPulse {

  0%,
  80%,
  100% {
    transform: scale(0.6);
    opacity: 0.5;
  }

  40% {
    transform: scale(1);
    opacity: 1;
  }
}

.loading-ai p {
  color: var(--text-body);
  font-size: 1rem;
  margin: 0;
}

/* Estilos para el contenido generado por IA */
#plan-content h4,
#menu-content h4 {
  color: var(--primary);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
}

#plan-content h4:first-child,
#menu-content h4:first-child {
  margin-top: 0;
}

#plan-content ul,
#menu-content ul {
  margin: 0.75rem 0;
  padding-left: 1.5rem;
}

#plan-content li,
#menu-content li {
  color: var(--text-body);
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

#plan-content p,
#menu-content p {
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 1rem;
}

#plan-content strong,
#menu-content strong {
  color: var(--text-dark);
}

#plan-content a,
#menu-content a {
  color: var(--primary);
  text-decoration: none;
}

#plan-content a:hover,
#menu-content a:hover {
  text-decoration: underline;
}

/* =====================================================
   FORM SECTIONS - Secciones del formulario mejoradas
   ===================================================== */

.form-section {
  background: rgba(30, 170, 138, 0.03);
  border: 1px solid rgba(30, 170, 138, 0.1);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-section-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1.25rem 0;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(30, 170, 138, 0.15);
}

.form-section-title svg {
  flex-shrink: 0;
}

.optional {
  color: var(--text-light);
  font-weight: 400;
  font-size: 0.85em;
}

textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-dark);
  background: var(--bg-light);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  resize: vertical;
  min-height: 60px;
  transition: var(--transition);
}

textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 170, 138, 0.1);
}

textarea::placeholder {
  color: var(--text-light);
}

/* =====================================================
   RESULTS HEADER - Cabecera de resultados
   ===================================================== */

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(30, 170, 138, 0.2);
}

.results-header h3 {
  margin: 0;
  font-size: 1.5rem;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--primary);
  color: var(--white);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
}

/* =====================================================
   PLAN RESULTS - Estilos mejorados para resultados de plan
   ===================================================== */

.plan-summary {
  background: linear-gradient(135deg, rgba(30, 170, 138, 0.15) 0%, rgba(30, 170, 138, 0.05) 100%);
  border: 1px solid rgba(30, 170, 138, 0.3);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.plan-summary h4 {
  color: var(--primary);
  margin: 0 0 1rem 0;
}

.plan-section {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.plan-section h4 {
  color: var(--primary-dark);
  margin: 0 0 1rem 0;
  font-size: 1.1rem;
}

.plan-section ul {
  margin: 0;
  padding-left: 1.25rem;
}

.plan-section li {
  color: var(--text-body);
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.plan-cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  margin-top: 1.5rem;
}

.plan-cta p {
  color: var(--white);
  margin: 0 0 1rem 0;
}

.plan-cta .btn {
  background: var(--white);
  color: var(--primary-dark);
}

.plan-cta .btn:hover {
  background: var(--gray-200);
}

/* =====================================================
   MENU RESULTS - Estilos mejorados para menú semanal
   ===================================================== */

.menu-week {
  display: grid;
  gap: 1rem;
}

.menu-day {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.menu-day:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(30, 170, 138, 0.1);
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(30, 170, 138, 0.15);
}

.day-header h4 {
  margin: 0;
  color: var(--text-dark);
  font-size: 1.1rem;
}

.day-calories {
  background: var(--primary);
  color: var(--white);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}

.menu-day .meals {
  padding: 1rem 1.25rem;
}

.menu-day .meal {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0.5rem 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-200);
}

.menu-day .meal:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.meal-type {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.meal-name {
  color: var(--text-dark);
  font-weight: 500;
  grid-column: 2;
}

.meal-detail {
  color: var(--text-body);
  font-size: 0.9rem;
  grid-column: 2;
}

/* Shopping List */
.menu-shopping {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.menu-shopping h4 {
  color: var(--primary-dark);
  margin: 0 0 1.25rem 0;
}

.shopping-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.shopping-category h5 {
  color: var(--text-dark);
  font-size: 0.95rem;
  margin: 0 0 0.75rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--gray-200);
}

.shopping-category ul {
  margin: 0;
  padding-left: 1.25rem;
}

.shopping-category li {
  color: var(--text-body);
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

/* Menu Tips */
.menu-tips {
  background: rgba(30, 170, 138, 0.08);
  border: 1px solid rgba(30, 170, 138, 0.2);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.menu-tips h4 {
  color: var(--primary);
  margin: 0 0 1rem 0;
}

.menu-tips ul {
  margin: 0;
  padding-left: 1.25rem;
}

.menu-tips li {
  color: var(--text-body);
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

/* Menu CTA */
.menu-cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  margin-top: 1.5rem;
}

.menu-cta p {
  color: var(--white);
  margin: 0 0 1rem 0;
}

.menu-cta .btn {
  background: var(--white);
  color: var(--primary-dark);
}

.menu-cta .btn:hover {
  background: var(--gray-200);
}

/* =====================================================
   PRINT STYLES - Estilos de impresión
   ===================================================== */

@media print {
  body {
    background: white;
    color: black;
  }

  .header,
  .footer,
  .nutriplus-hero,
  .tools-tabs,
  .nutriplus-cta,
  .btn,
  .nav-toggle,
  .results-header button {
    display: none !important;
  }

  .tool-panel {
    display: block !important;
  }

  .results-container {
    border: none;
    box-shadow: none;
  }

  .plan-section,
  .menu-day,
  .menu-shopping,
  .menu-tips {
    break-inside: avoid;
    border: 1px solid #ddd;
    background: white;
  }

  .plan-cta,
  .menu-cta {
    display: none;
  }

  h4,
  h3 {
    color: black !important;
  }

  .meal-type {
    color: #1EAA8A !important;
  }
}