/*
 * Retreat Cards — Styles
 * Warm, romantic, nature-retreat aesthetic
 */

:root {
  /* Palette */
  --bg: #FAF7F2;
  --card-bg: #FFFFFF;
  --text: #2C3E50;
  --text-muted: #6B7C85;
  --primary: #2D4A3E;
  --primary-light: #3E6254;
  --accent: #C67C5E;
  --accent-glow: rgba(198, 124, 94, 0.2);
  --sage: #7CB89A;
  --sand: #E8D5B7;
  --border: #E5E0DA;
  --shadow: rgba(45, 74, 62, 0.12);

  /* Intensity colors */
  --intensity-light: #98C1A9;
  --intensity-medium: #E8B86D;
  --intensity-deep: #A68C9C;

  /* Spacing */
  --space-xs: 8px;
  --space-s: 12px;
  --space-m: 20px;
  --space-l: 32px;
  --space-xl: 48px;

  /* Typography */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --line-relaxed: 1.6;

  /* Radius */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;

  /* Transitions */
  --transition-fast: 200ms ease;
  --transition-smooth: 350ms ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: var(--line-relaxed);
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-m);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Screens */
.screen {
  display: none;
  flex-direction: column;
  flex: 1;
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.screen.active {
  display: flex;
  opacity: 1;
}

/* Headers */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-l);
  flex-shrink: 0;
}

.header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary);
  flex: 1;
  text-align: center;
}

.header .subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: var(--space-xs);
}

.card-header {
  margin-bottom: var(--space-m);
}

.icon-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover {
  background: rgba(45, 74, 62, 0.08);
}

.icon-btn:active {
  transform: scale(0.95);
}

.card-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.intensity-badge {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#card-counter {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Setup Screen */
.selection-section {
  margin-bottom: var(--space-l);
}

.selection-section h2 {
  font-size: 1.1rem;
  margin-bottom: var(--space-s);
  color: var(--primary);
}

.hint {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: var(--space-s);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-s);
}

.category-card {
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-m);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.category-card:hover {
  border-color: var(--sage);
  box-shadow: 0 4px 12px var(--shadow);
}

.category-card.selected {
  border-color: var(--primary);
  background: rgba(45, 74, 62, 0.05);
}

.category-card .emoji {
  font-size: 2rem;
  display: block;
  margin-bottom: var(--space-xs);
}

.category-card .label {
  font-weight: 600;
  color: var(--text);
  display: block;
}

.category-card .desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.intensity-options {
  display: flex;
  gap: var(--space-s);
}

.intensity-btn {
  flex: 1;
  padding: var(--space-s);
  border: 2px solid var(--border);
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text);
}

.intensity-btn:hover {
  border-color: var(--primary);
}

.intensity-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.primary-btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: var(--space-m) var(--space-l);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px var(--shadow);
  width: 100%;
  margin-top: var(--space-l);
}

.primary-btn:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--shadow);
}

.primary-btn:active {
  transform: scale(0.98);
}

.primary-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.primary-btn.large {
  padding: var(--space-l);
  font-size: 1.1rem;
}

.secondary-btn {
  background: var(--card-bg);
  color: var(--primary);
  border: 2px solid var(--border);
  padding: var(--space-m) var(--space-l);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* Card Screen */
.card-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-m) 0;
}

.card-inner {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: 0 8px 32px var(--shadow);
  width: 100%;
  min-height: 300px;
  display: flex;
  align-items: center;
  position: relative;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

.card-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--card-bg) 0%, rgba(236, 213, 183, 0.1) 100%);
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.card-inner:hover::before {
  opacity: 1;
}

#card-text {
  font-size: 1.4rem;
  line-height: 1.5;
  text-align: center;
  color: var(--text);
  position: relative;
  z-index: 1;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: var(--space-s);
  align-items: center;
  margin-top: var(--space-l);
}

.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-s);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  color: var(--text-muted);
}

.action-btn:hover {
  background: rgba(45, 74, 62, 0.05);
  color: var(--primary);
}

.action-btn .icon {
  font-size: 1.5rem;
}

.action-btn .label {
  font-size: 0.75rem;
  font-weight: 500;
}

#favorite-btn.active .icon {
  color: var(--accent);
}

#favorite-btn.active .icon::after {
  content: "♥";
  position: absolute;
}

/* Card animations */
.card-inner.enter {
  animation: cardEnter 0.4s ease;
}

.card-inner.exit {
  animation: cardExit 0.3s ease;
}

@keyframes cardEnter {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes cardExit {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
}

.favorite-pulse {
  animation: favoritePulse 0.3s ease;
}

@keyframes favoritePulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

/* Favorites Screen */
.favorites-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
  flex: 1;
}

.favorite-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-m);
  transition: all var(--transition-fast);
}

.favorite-card:hover {
  box-shadow: 0 4px 12px var(--shadow);
}

.favorite-card .card-text {
  font-size: 1rem;
  margin-bottom: var(--space-s);
}

.favorite-card .card-meta {
  display: flex;
  gap: var(--space-xs);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.favorite-card .intensity {
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 500;
}

.favorite-card .remove-btn {
  float: right;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 4px;
  line-height: 1;
}

.favorite-card .remove-btn:hover {
  color: var(--accent);
}

.empty-state {
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-muted);
  flex: 1;
  display: none;
  flex-direction: column;
  align-items: center;
  gap: var(--space-m);
}

.empty-state.visible {
  display: flex;
}

/* Retreat Screen */
.retreat-container {
  justify-content: center;
  align-items: center;
  text-align: center;
}

.retreat-message {
  animation: fadeInUp 0.6s ease;
}

.big-emoji {
  font-size: 4rem;
  display: block;
  margin-bottom: var(--space-m);
}

.retreat-message h2 {
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: var(--space-m);
}

.retreat-message p {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: var(--space-s);
}

.retreat-message .small {
  font-size: 0.9rem;
  color: var(--text-muted);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(44, 62, 80, 0.5);
  backdrop-filter: blur(4px);
  display: none;
  align-items: flex-end;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.modal.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: var(--card-bg);
  width: 100%;
  max-width: 600px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: var(--space-xl);
  position: relative;
  animation: modalSlideUp 0.3s ease;
  max-height: 80vh;
  overflow-y: auto;
}

@keyframes modalSlideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.close-btn {
  position: absolute;
  top: var(--space-m);
  right: var(--space-m);
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--text-muted);
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-btn:hover {
  color: var(--text);
}

.nav-btn {
  display: block;
  width: 100%;
  padding: var(--space-m);
  border: none;
  background: none;
  text-align: left;
  font-size: 1rem;
  color: var(--text);
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition-fast);
}

.nav-btn:hover {
  background: rgba(45, 74, 62, 0.05);
}

.nav-btn:last-child {
  border-bottom: none;
}

/* Responsive adjustments */
@media (min-width: 768px) {
  .container {
    padding: var(--space-xl);
  }

  .card-inner {
    min-height: 350px;
  }

  #card-text {
    font-size: 1.6rem;
  }
}

/* Dark mode support (optional future) */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1f2e;
    --card-bg: #252C3A;
    --text: #E8EEF5;
    --text-muted: #A0AAB5;
    --primary: #3E6254;
    --border: #3A4352;
    --shadow: rgba(0, 0, 0, 0.3);
  }
}

/* Install prompt (will be added via JS if applicable) */
.install-prompt {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  padding: var(--space-s);
  text-align: center;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-m);
  box-shadow: 0 8px 24px rgba(45, 74, 62, 0.2);
}

.install-prompt button {
  background: white;
  color: var(--primary);
  border: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  margin-left: var(--space-s);
  cursor: pointer;
}

.status-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(16px);
  background: rgba(44, 62, 80, 0.92);
  color: #fff;
  padding: 12px 16px;
  border-radius: 999px;
  font-size: 0.92rem;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 2000;
}

.status-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}