/* ==========================================================================
   Travel Insight - Input Page Styles (Minimal & Centred Hero)
   FR-1.1 through FR-1.9, Section 4.1 UI Specification
   ========================================================================== */

.input-page-view {
  min-height: calc(100vh - var(--header-height) - 100px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 0;
  position: relative;
}

/* Background Ambient Glow */
.hero-glow-backdrop {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 450px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15) 0%, rgba(13, 148, 136, 0.08) 50%, transparent 75%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.input-hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.hero-tagline-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-full);
  background-color: var(--badge-info-bg);
  border: 1px solid var(--badge-info-border);
  color: var(--badge-info-text);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero-main-title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero-main-title span.gradient-text {
  background: linear-gradient(135deg, var(--accent-primary) 0%, #0d9488 50%, #6366f1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub-description {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 2.5rem;
  line-height: 1.5;
}

/* Central Search Card Box */
.search-card-container {
  background: var(--bg-glass-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  text-align: left;
  transition: all var(--transition-normal);
}

/* Search Form Multi-Row Layout */
.search-form-layout,
.search-primary-inputs {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Row 1: Full-width Destination Search Bar */
.search-row-destination {
  width: 100%;
}

.destination-search-input {
  font-size: 1.05rem;
  height: 52px;
}

/* Row 2: Travel Dates + Explore Action */
.search-row-secondary {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.25rem;
  align-items: flex-end;
}

@media (max-width: 720px) {
  .search-row-secondary {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

.search-button-wrapper {
  display: flex;
  align-items: flex-end;
}

.search-btn-explore {
  width: 100%;
  height: 52px;
  font-size: 1.05rem;
  font-weight: 600;
}

/* Date Range Dual Fields */
.date-range-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.date-input-subgroup {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.date-sublabel {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.date-field {
  padding-left: 2.2rem !important;
}

/* Quick-start Suggestions (FR-1.8) */
.quick-start-section {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.quick-start-label {
  color: var(--text-muted);
  font-weight: 600;
  margin-right: 0.25rem;
}

.quick-chip {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.82rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.quick-chip:hover {
  background-color: var(--bg-tertiary);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-1px);
}

.quick-chip.inspire-btn {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(13, 148, 136, 0.15));
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  font-weight: 700;
}

.quick-chip.inspire-btn:hover {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(13, 148, 136, 0.25));
}

/* Preferences Accordion (FR-1.7) */
.preferences-accordion-wrapper {
  margin-top: 1.5rem;
}

.preferences-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
}

.preference-item {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.pref-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}

.chip-options-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.selectable-chip {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.selectable-chip:hover {
  border-color: var(--accent-primary);
}

.selectable-chip.active {
  background-color: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

/* Recent Search Local Storage (FR-1.9) */
.recent-searches-box {
  margin-top: 2.5rem;
  text-align: left;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
}

.recent-searches-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.recent-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.clear-recent-btn {
  background: none;
  border: none;
  font-size: 0.78rem;
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
  min-height: auto;
}

.clear-recent-btn:hover {
  color: var(--accent-rose);
}

.recent-chips-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.recent-item-chip {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.85rem;
  font-size: 0.82rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.recent-item-chip:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Planner Quick Access Promo Card */
.planner-shortcut-card {
  margin-top: 1.75rem;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(14, 165, 233, 0.05) 100%), var(--bg-card);
  border: 1px solid rgba(37, 99, 235, 0.22);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.planner-shortcut-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-primary);
}

.planner-shortcut-content {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  text-align: left;
}

.planner-shortcut-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-primary);
  background: rgba(37, 99, 235, 0.12);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  width: fit-content;
}

.planner-shortcut-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.planner-shortcut-desc {
  margin: 0;
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.planner-shortcut-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-md);
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.28);
  transition: all var(--transition-fast);
  flex-shrink: 0;
  min-height: 44px;
}

.planner-shortcut-btn:hover {
  background: linear-gradient(135deg, #1d4ed8, #1e40af);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.38);
  color: #ffffff !important;
}

@media (max-width: 680px) {
  .input-page-view {
    padding: 1.5rem 0 2rem;
  }
  .hero-glow-backdrop {
    width: 320px;
    height: 300px;
    filter: blur(40px);
  }
  .hero-tagline-badge {
    font-size: 0.78rem;
    padding: 0.25rem 0.75rem;
    margin-bottom: 0.75rem;
  }
  .hero-main-title {
    font-size: clamp(1.75rem, 5.5vw, 2.3rem);
    margin-bottom: 0.6rem;
    line-height: 1.2;
  }
  .hero-sub-description {
    font-size: 0.92rem;
    margin-bottom: 1.5rem;
    line-height: 1.45;
  }
  .search-card-container {
    padding: 1.25rem 1rem;
    border-radius: var(--radius-lg);
  }
  .search-form-layout,
  .search-primary-inputs {
    gap: 0.9rem;
  }
  .destination-search-input {
    height: 48px;
    font-size: 0.95rem;
  }
  .search-btn-explore {
    height: 48px;
    font-size: 0.95rem;
  }
  .date-range-fields {
    gap: 0.5rem;
  }
  .date-field {
    padding-left: 2rem !important;
    padding-right: 0.4rem !important;
    font-size: 0.85rem;
    height: 44px;
  }
  .quick-start-section {
    margin-top: 1rem;
    gap: 0.35rem;
  }
  .quick-chip {
    padding: 0.25rem 0.7rem;
    font-size: 0.78rem;
  }
  .planner-shortcut-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.1rem;
    gap: 1rem;
    margin-top: 1.25rem;
    border-radius: var(--radius-md);
  }
  .planner-shortcut-title {
    font-size: 0.98rem;
  }
  .planner-shortcut-desc {
    font-size: 0.82rem;
  }
  .planner-shortcut-btn {
    width: 100%;
    justify-content: center;
    padding: 0.65rem 1rem;
    font-size: 0.85rem;
  }
}

@media (max-width: 420px) {
  .search-card-container {
    padding: 1rem 0.75rem;
  }
  .hero-main-title {
    font-size: 1.65rem;
  }
  .hero-sub-description {
    font-size: 0.86rem;
  }
  .date-range-fields {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
  .destination-search-input {
    height: 45px;
    font-size: 0.9rem;
  }
  .search-btn-explore {
    height: 45px;
    font-size: 0.9rem;
  }
}