/* enhancements.css — Phase 1 quick wins
   - Scroll-to-top button
   - Empty states
   - Search input focus glow
   - Card gradient hovers */

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/* 1. SCROLL-TO-TOP BUTTON */
/* ═══════════════════════════════════════════════════════════════════════════ */

.scroll-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: #FF6600;
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.2s ease;
  box-shadow: 0 4px 12px rgba(255, 102, 0, 0.3);
}

.scroll-to-top-show {
  opacity: 1;
  pointer-events: auto;
}

.scroll-to-top:hover {
  background: #e05900;
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(255, 102, 0, 0.4);
}

.scroll-to-top:focus-visible {
  outline: 2px solid #0B0B0B;
  outline-offset: 2px;
}

@media (max-width: 600px) {
  .scroll-to-top {
    bottom: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-to-top {
    transition: opacity 0.15s ease;
  }

  .scroll-to-top:hover {
    transform: none;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* 2. EMPTY STATES */
/* ═══════════════════════════════════════════════════════════════════════════ */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  padding: 40px 20px;
  text-align: center;
  animation: empty-state-fade-in 0.5s ease forwards;
}

@keyframes empty-state-fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 24px;
  opacity: 0.6;
}

.empty-state-icon svg {
  width: 100%;
  height: 100%;
  stroke: #8e7164;
  stroke-width: 1.5;
}

.empty-state-title {
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 600;
  color: #0B0B0B;
  margin: 0 0 12px;
}

.empty-state-message {
  font-family: Inter, sans-serif;
  font-size: 14px;
  color: #575757;
  max-width: 400px;
  line-height: 1.6;
  margin: 0;
}

@media (max-width: 600px) {
  .empty-state {
    min-height: 250px;
    padding: 30px 16px;
  }

  .empty-state-icon {
    width: 60px;
    height: 60px;
  }

  .empty-state-title {
    font-size: 20px;
  }

  .empty-state-message {
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .empty-state {
    animation: none;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* 3. SEARCH INPUT FOCUS GLOW */
/* ═══════════════════════════════════════════════════════════════════════════ */

#nav-search-input,
.search-input {
  transition: all 0.2s ease;
}

#nav-search-input:focus,
.search-input:focus {
  outline: none;
  box-shadow: 0 0 0 2px #fcf9f3, 0 0 0 4px #FF6600, inset 0 0 8px rgba(255, 102, 0, 0.1);
  border-color: #FF6600;
}

#nav-search-input::placeholder,
.search-input::placeholder {
  color: #c4c7c7;
  transition: color 0.2s ease;
}

#nav-search-input:focus::placeholder,
.search-input:focus::placeholder {
  color: #8e7164;
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* 4. CARD GRADIENT HOVER TRANSITIONS */
/* ═══════════════════════════════════════════════════════════════════════════ */

/* Apply to archive cards, theme cards, and card containers */
.card,
.theme-card,
[class*='card'],
.quote-card,
.component {
  transition: background 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.card:hover,
.theme-card:hover,
[class*='card']:hover,
.quote-card:hover,
.component:hover {
  background: linear-gradient(135deg, #fcf9f3 0%, #f5eee5 100%);
}

/* Specific card elements */
.card-container {
  transition: all 0.2s ease;
}

.card-container:hover {
  background: linear-gradient(135deg, #fcf9f3 0%, #f5eee5 100%);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

/* Homepage featured cards */
.featured-card {
  transition: all 0.2s ease;
}

.featured-card:hover {
  background: linear-gradient(135deg, #fcf9f3 0%, #f5eee5 100%);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

/* Quote/callout cards */
.quote-card {
  transition: all 0.25s ease;
}

.quote-card:hover {
  background: linear-gradient(135deg, #fcf9f3 0%, #f5eee5 100%);
  border-color: #FF6600;
  box-shadow: 0 4px 16px rgba(255, 102, 0, 0.1);
}

/* Filter/action cards */
.action-card,
.filter-option {
  transition: all 0.2s ease;
}

.action-card:hover,
.filter-option:hover {
  background: linear-gradient(135deg, #fcf9f3 0%, #f5eee5 100%);
  border-color: #FF6600;
}

@media (prefers-reduced-motion: reduce) {
  .card,
  .theme-card,
  [class*='card'],
  .quote-card,
  .component,
  .card-container,
  .featured-card,
  .action-card,
  .filter-option {
    transition: none;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* ACCESSIBILITY */
/* ═══════════════════════════════════════════════════════════════════════════ */

/* Ensure focus indicators remain visible on hover */
.scroll-to-top:focus-visible,
#nav-search-input:focus-visible,
.search-input:focus-visible {
  outline-offset: 2px;
}

/* Keyboard users benefit from all enhancements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
  }
}