/* ========================================
   SOCIETY ARTS - STORY BUILDER
   Layout: Canvas (Living Canvas)
   Version: 1.0
   
   Unified canvas with floating AI
   ======================================== */

/* ============================================
   BASE LAYOUT
   ============================================ */

.layout-canvas {
  min-height: calc(100vh - 70px);
  background: #EAE4DA;
  position: relative;
}

.layout-canvas * {
  box-sizing: border-box;
}

/* ============================================
   MAIN CANVAS AREA
   ============================================ */

.canvas-main {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 40px 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Title */
.canvas-title {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-size: 32px;
  font-weight: 400;
  color: #3E2318;
  margin: 0 0 32px 0;
  text-align: center;
  letter-spacing: -0.01em;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   STORY PAPER
   ============================================ */

.canvas-paper {
  background: #FFFEFA;
  border-radius: 8px;
  width: 100%;
  overflow: hidden;
  box-shadow: 
    0 2px 4px rgba(62, 35, 24, 0.04),
    0 4px 8px rgba(62, 35, 24, 0.04),
    0 8px 16px rgba(62, 35, 24, 0.03),
    0 16px 32px rgba(62, 35, 24, 0.03);
  transition: box-shadow 0.5s ease;
}

.canvas-paper.complete {
  box-shadow: 
    0 2px 4px rgba(62, 35, 24, 0.04),
    0 4px 8px rgba(62, 35, 24, 0.04),
    0 8px 16px rgba(62, 35, 24, 0.03),
    0 16px 32px rgba(62, 35, 24, 0.03),
    0 0 60px rgba(199, 51, 20, 0.06);
}

.canvas-paper-content {
  padding: 52px 56px 36px;
  position: relative;
  min-height: 180px;
}

.canvas-paper-line {
  position: absolute;
  left: 56px;
  right: 56px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(62, 35, 24, 0.1), transparent);
}

.canvas-paper-line.top { top: 36px; }
.canvas-paper-line.bottom { bottom: 36px; }

.canvas-paper-body {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 0;
}

/* Empty State */
.canvas-paper-empty {
  text-align: center;
}

.canvas-paper-icon {
  display: block;
  font-size: 32px;
  color: #D4CBC3;
  margin-bottom: 20px;
}

.canvas-paper-empty p {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-size: 18px;
  font-style: italic;
  color: #B8ADA3;
  margin: 0;
  line-height: 1.8;
}

/* Story Text */
.canvas-paper-text {
  font-family: 'Libre Baskerville', Georgia, serif;
  font-size: 19px;
  line-height: 2;
  color: #2C1810;
  text-align: center;
  margin: 0;
  letter-spacing: 0.01em;
}

/* ============================================
   PROGRESS FOOTER (Inside Paper)
   ============================================ */

.canvas-progress {
  background: rgba(62, 35, 24, 0.02);
  border-top: 1px solid rgba(62, 35, 24, 0.05);
  padding: 16px 40px;
  display: flex;
  justify-content: center;
  gap: 40px;
}

.canvas-progress-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 90px;
}

.canvas-progress-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 3px;
}

.canvas-progress-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #D4CBC3;
  transition: all 0.3s ease;
}

.canvas-progress-dot.complete {
  background: #22C55E;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
}

.canvas-progress-label {
  font-family: 'Familjen Grotesk', sans-serif;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #6B5B4F;
}

.canvas-progress-value {
  font-family: 'Familjen Grotesk', sans-serif;
  font-size: 12px;
  color: #A89F94;
  font-style: italic;
  padding-left: 14px;
  white-space: nowrap;
  transition: all 0.3s ease;
}

.canvas-progress-value.has-value {
  color: #3E2318;
  font-weight: 500;
  font-style: normal;
}

/* ============================================
   STYLES SECTION
   ============================================ */

.canvas-styles {
  width: 100%;
  margin-top: 40px;
  animation: fadeIn 0.5s ease;
}

.canvas-styles-row {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.canvas-style-card {
  position: relative;
  width: 120px;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(62, 35, 24, 0.08);
  cursor: pointer;
  transition: all 0.25s ease;
}

.canvas-style-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 20px rgba(62, 35, 24, 0.12);
}

.canvas-style-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

.canvas-style-remove {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.2s ease;
}

.canvas-style-card:hover .canvas-style-remove {
  opacity: 1;
  transform: scale(1);
}

.canvas-style-remove:hover {
  background: #C73314;
}

.canvas-style-name {
  padding: 12px;
  font-size: 12px;
  font-weight: 500;
  color: #3E2318;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Add Style Button */
.canvas-styles-add {
  width: 120px;
  aspect-ratio: 0.85;
  border: 2px dashed rgba(62, 35, 24, 0.12);
  border-radius: 12px;
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  color: #A89F94;
  transition: all 0.2s ease;
  font-family: 'Familjen Grotesk', sans-serif;
}

.canvas-styles-add:hover {
  border-color: #C73314;
  color: #C73314;
  background: rgba(199, 51, 20, 0.04);
}

.canvas-styles-add span {
  font-size: 12px;
  font-weight: 500;
}

/* ============================================
   CREATE BUTTON
   ============================================ */

.canvas-create-wrapper {
  margin-top: 32px;
  animation: fadeIn 0.5s ease;
}

.canvas-create-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  background: #C73314;
  border: none;
  border-radius: 32px;
  font-family: 'Familjen Grotesk', -apple-system, sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: white;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(199, 51, 20, 0.3);
  transition: all 0.3s ease;
  animation: pulse 2s ease-in-out infinite;
}

.canvas-create-btn:hover {
  background: #A82B11;
  transform: translateY(-2px);
  box-shadow: 0 6px 32px rgba(199, 51, 20, 0.35);
  animation: none;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

/* ============================================
   FLOATING AI ASSISTANT
   ============================================ */

.canvas-ai-wrapper {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  padding: 0 40px 32px;
  pointer-events: none;
  z-index: 100;
  animation: slideUp 0.3s ease;
}

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

.canvas-ai-container {
  max-width: 600px;
  width: 100%;
  pointer-events: auto;
}

/* AI Bubble */
.canvas-ai-bubble {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 20px 24px;
  margin-bottom: 12px;
  box-shadow: 0 4px 24px rgba(62, 35, 24, 0.1), 0 0 0 1px rgba(62, 35, 24, 0.04);
  position: relative;
}

.canvas-ai-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border: none;
  background: rgba(62, 35, 24, 0.06);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8B8078;
  font-size: 14px;
  transition: all 0.2s ease;
}

.canvas-ai-close:hover {
  background: rgba(62, 35, 24, 0.12);
  color: #3E2318;
}

.canvas-ai-message {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.canvas-ai-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3E2318 0%, #5C4033 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FAF8F5;
  font-size: 14px;
  flex-shrink: 0;
}

.canvas-ai-content {
  flex: 1;
  padding-right: 24px;
}

.canvas-ai-text {
  margin: 0 0 16px 0;
  font-size: 15px;
  line-height: 1.6;
  color: #3E2318;
}

.canvas-ai-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.canvas-ai-suggestion {
  padding: 10px 18px;
  background: rgba(62, 35, 24, 0.06);
  border: 1px solid rgba(62, 35, 24, 0.1);
  border-radius: 24px;
  color: #3E2318;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: 'Familjen Grotesk', sans-serif;
}

.canvas-ai-suggestion:hover {
  background: rgba(62, 35, 24, 0.1);
  border-color: rgba(62, 35, 24, 0.2);
  transform: translateY(-1px);
}

/* Typing Indicator */
.canvas-ai-typing {
  display: flex;
  gap: 5px;
  padding: 8px 0;
}

.canvas-ai-typing span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #D4CBC3;
  animation: typing 1.4s ease-in-out infinite;
}

.canvas-ai-typing span:nth-child(2) { animation-delay: 0.2s; }
.canvas-ai-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* AI Input */
.canvas-ai-input-wrapper {
  background: #FFFFFF;
  border-radius: 32px;
  padding: 6px 6px 6px 24px;
  display: flex;
  gap: 12px;
  box-shadow: 0 4px 24px rgba(62, 35, 24, 0.1), 0 0 0 1px rgba(62, 35, 24, 0.04);
}

.canvas-ai-input {
  flex: 1;
  border: none;
  background: none;
  font-size: 15px;
  color: #3E2318;
  outline: none;
  font-family: 'Familjen Grotesk', sans-serif;
}

.canvas-ai-input::placeholder {
  color: #A89F94;
}

.canvas-ai-send {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #C73314;
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.canvas-ai-send:hover:not(:disabled) {
  background: #A82B11;
  transform: scale(1.05);
}

.canvas-ai-send:disabled {
  background: #D4CBC3;
  cursor: not-allowed;
}

/* Toggle Button (when AI hidden) */
.canvas-ai-toggle {
  position: fixed;
  bottom: 32px;
  right: 32px;
  padding: 12px 24px;
  background: #FFFFFF;
  border: none;
  border-radius: 24px;
  box-shadow: 0 4px 24px rgba(62, 35, 24, 0.12);
  display: flex;
  align-items: center;
  gap: 8px;
  color: #3E2318;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: 'Familjen Grotesk', sans-serif;
  animation: fadeIn 0.3s ease;
  z-index: 100;
}

.canvas-ai-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 32px rgba(62, 35, 24, 0.16);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 900px) {
  .canvas-main {
    padding: 40px 32px 200px;
  }
  
  .canvas-title {
    font-size: 28px;
  }
  
  .canvas-paper-content {
    padding: 44px 44px 32px;
  }
  
  .canvas-paper-line {
    left: 44px;
    right: 44px;
  }
  
  .canvas-paper-text {
    font-size: 17px;
  }
  
  .canvas-progress {
    gap: 28px;
    padding: 14px 32px;
  }
}

@media (max-width: 700px) {
  .canvas-main {
    padding: 32px 24px 200px;
  }
  
  .canvas-title {
    font-size: 24px;
    margin-bottom: 24px;
  }
  
  .canvas-paper-content {
    padding: 36px 32px 28px;
  }
  
  .canvas-paper-line {
    left: 32px;
    right: 32px;
  }
  
  .canvas-paper-icon {
    font-size: 24px;
  }
  
  .canvas-paper-empty p {
    font-size: 16px;
  }
  
  .canvas-paper-text {
    font-size: 16px;
  }
  
  .canvas-progress {
    flex-wrap: wrap;
    gap: 12px 24px;
    padding: 14px 24px;
  }
  
  .canvas-progress-item {
    min-width: 80px;
  }
  
  .canvas-ai-wrapper {
    padding: 0 20px 24px;
  }
  
  .canvas-ai-bubble {
    padding: 16px 20px;
  }
  
  .canvas-ai-text {
    font-size: 14px;
  }
  
  .canvas-ai-suggestion {
    padding: 8px 14px;
    font-size: 13px;
  }
  
  .canvas-style-card,
  .canvas-styles-add {
    width: 100px;
  }
  
  .canvas-create-btn {
    padding: 14px 32px;
    font-size: 15px;
  }
}

@media (max-width: 500px) {
  .canvas-main {
    padding: 24px 20px 180px;
  }
  
  .canvas-paper-content {
    padding: 32px 24px 24px;
  }
  
  .canvas-paper-line {
    left: 24px;
    right: 24px;
  }
  
  .canvas-progress {
    gap: 10px 16px;
    padding: 12px 16px;
  }
  
  .canvas-progress-item {
    min-width: 70px;
  }
  
  .canvas-progress-label {
    font-size: 9px;
  }
  
  .canvas-progress-value {
    font-size: 11px;
    padding-left: 12px;
  }
  
  .canvas-ai-input-wrapper {
    padding: 4px 4px 4px 18px;
  }
  
  .canvas-ai-input {
    font-size: 14px;
  }
  
  .canvas-ai-send {
    width: 40px;
    height: 40px;
  }
  
  .canvas-style-card,
  .canvas-styles-add {
    width: 90px;
  }
  
  .canvas-style-name {
    padding: 10px 8px;
    font-size: 11px;
  }
}