/* VibeTrip Agent - Responsive Layout Styles */

/* Mobile Navigation Toggle Button */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-text);
  font-size: 1.5rem;
}

/* Landscape Tablet / Small Desktop (max-width: 1024px) */
@media (max-width: 1024px) {
  .hero-grid {
    gap: 40px;
  }

  .philosophy-grid, .curation-grid {
    gap: 20px;
  }

  .philosophy-card, .curation-card {
    padding: 28px 22px;
  }
}

/* Tablet Screens (max-width: 992px) */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero-content {
    max-width: 100%;
    text-align: center;
  }

  .hero-kicker {
    justify-content: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-ctas {
    justify-content: center;
  }

  .hero-meta-row {
    justify-content: center;
  }

  .hero-visual-frame {
    max-width: 680px;
    margin: 0 auto;
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 680px;
    margin: 0 auto;
  }

  .curation-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 680px;
    margin: 0 auto;
  }

  .pace-selector {
    grid-template-columns: 1fr;
  }
}

/* Mobile Screens (max-width: 768px) */
@media (max-width: 768px) {
  :root {
    --nav-height: 66px;
  }

  .container {
    padding: 0 18px;
  }

  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 28px 20px;
    gap: 20px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transform: translateY(-150%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    font-size: 1.05rem;
    width: 100%;
    text-align: center;
  }

  .nav-cta-btn {
    display: none; /* Accessible in the mobile nav menu */
  }

  .hero-section {
    padding: 48px 0 44px;
    min-height: auto;
  }

  .hero-title {
    font-size: 2.35rem;
  }

  .hero-subtitle {
    font-size: 1.02rem;
    margin-bottom: 26px;
  }

  .hero-telemetry-bar {
    flex-direction: column;
    gap: 12px;
    padding: 16px 20px;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 380px;
  }

  .telemetry-separator {
    width: 100%;
    height: 1px;
  }

  .cached-trip-banner {
    flex-direction: column;
    text-align: center;
    border-radius: var(--radius-lg);
    gap: 8px;
  }

  .editorial-section {
    padding: 60px 0;
  }

  .section-header {
    margin-bottom: 36px;
  }

  .curation-cta-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
    gap: 18px;
  }

  .curation-cta-banner .btn {
    width: 100%;
  }

  .form-header h2 {
    font-size: 1.9rem;
  }

  .card {
    padding: 24px 18px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .btn {
    width: 100%;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .places-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .trip-overview-card {
    padding: 24px 18px;
  }

  .trip-title-area h2 {
    font-size: 1.9rem;
  }

  .day-card {
    padding: 20px 16px;
  }

  .timeline {
    padding-left: 20px;
  }

  .timeline-dot {
    left: -20px;
  }

  .loading-overlay {
    padding: 28px 18px;
  }

  .footer-content {
    flex-direction: column;
  }

  .footer-tech {
    width: 100%;
    justify-content: space-between;
  }
}

/* Small Mobile Screens (max-width: 480px) */
@media (max-width: 480px) {
  .container {
    padding: 0 14px;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-subtitle {
    font-size: 0.96rem;
  }

  .hero-ctas {
    width: 100%;
    flex-direction: column;
    gap: 12px;
  }

  .hero-meta-row {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .hero-meta-divider {
    display: none;
  }

  .brand-wordmark {
    font-size: 1.35rem;
  }

  .chips-grid {
    gap: 8px;
  }

  .chip {
    padding: 7px 13px;
    font-size: 0.84rem;
  }
}

/* Very Narrow Screens (max-width: 340px) */
@media (max-width: 340px) {
  .brand-wordmark {
    font-size: 1.2rem;
  }

  .hero-title {
    font-size: 1.85rem;
  }

  .hero-kicker {
    font-size: 0.72rem;
  }
}

/* ==========================================================================
   Personalization Section Responsive
   ========================================================================== */
@media (max-width: 768px) {
  .personalization-card {
    padding: 24px 18px;
  }

  .personalization-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .personalization-title {
    font-size: 1.5rem;
  }

  .personalization-selection-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
  }

  #resetPlaceSelectionsBtn {
    align-self: flex-start;
  }

  .personalize-meta-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .quick-prompts {
    width: 100%;
  }

  .quick-prompt-chip {
    white-space: normal;
  }

  .personalization-actions {
    width: 100%;
  }

  .personalization-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .personalization-card {
    padding: 18px 14px;
    border-radius: var(--radius-lg);
  }

  .personalization-title {
    font-size: 1.35rem;
  }

  .personalization-subtitle {
    font-size: 0.86rem;
  }

  .personalize-textarea {
    padding: 12px;
    font-size: 0.88rem;
  }

  .quick-prompt-chip {
    font-size: 0.72rem;
    padding: 4px 10px;
  }
}