:root {
  --gold: #D4AF37;
  --gold-dim: rgba(212, 175, 55, 0.3);
  --gold-bright: rgba(212, 175, 55, 0.6);
  --cream: #F5E6D3;
  --cream-dim: rgba(245, 230, 211, 0.6);
  --bg-dark: #0d0a08;
  --bg-light: #1a1410;
  --wood-dark: #3E2723;
  --wood-mid: #4E342E;
  --wood-light: #5D4037;
  --parchment: #FDF8E8;
  --parchment-dark: #E8DCC8;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  min-height: 100vh;
  background: radial-gradient(ellipse at 50% 0%, rgba(139,90,43,0.15) 0%, transparent 50%),
              linear-gradient(180deg, var(--bg-light) 0%, var(--bg-dark) 100%);
  font-family: 'Cormorant Garamond', Georgia, serif;
  color: var(--cream);
}

.ambient-light {
  position: fixed; top: 0; left: 50%; transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(255,200,100,0.08) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}

.header { text-align: center; padding: 40px 20px 60px; position: relative; }
.header h1 { font-family: 'Playfair Display', Georgia, serif; font-size: 48px; font-weight: 400; letter-spacing: 8px; text-transform: uppercase; color: var(--gold); text-shadow: 0 2px 20px rgba(212,175,55,0.3); margin-bottom: 16px; }
.header p { font-size: 16px; letter-spacing: 4px; color: var(--cream-dim); text-transform: uppercase; }
.header-line { width: 200px; height: 1px; background: linear-gradient(90deg, transparent, var(--gold-dim), transparent); margin: 24px auto 0; }

.categories { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.category-card { width: 280px; height: 160px; background: linear-gradient(145deg, rgba(40,30,25,0.9) 0%, rgba(25,18,14,0.95) 100%); border: 1px solid var(--gold-dim); border-radius: 4px; display: flex; flex-direction: column; align-items: center; justify-content: center; cursor: pointer; transition: all 0.3s ease; box-shadow: 0 4px 20px rgba(0,0,0,0.3); }
.category-card:hover { border-color: var(--gold-bright); transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,0.4); }
.category-card h2 { font-family: 'Playfair Display', Georgia, serif; font-size: 24px; color: var(--gold); margin-bottom: 12px; letter-spacing: 2px; }
.category-card p { font-size: 14px; color: var(--cream-dim); }

.shelf-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.shelf-title { font-family: 'Playfair Display', Georgia, serif; font-size: 32px; color: var(--gold); text-align: center; margin-bottom: 48px; letter-spacing: 4px; }
.books-row { display: flex; justify-content: center; gap: 32px; flex-wrap: wrap; padding-bottom: 20px; position: relative; z-index: 2; }
.shelf { height: 24px; background: linear-gradient(180deg, var(--wood-light) 0%, var(--wood-mid) 50%, var(--wood-dark) 100%); border-radius: 2px; box-shadow: 0 4px 8px rgba(0,0,0,0.4), inset 0 2px 4px rgba(255,255,255,0.1), inset 0 -2px 4px rgba(0,0,0,0.2); position: relative; margin-bottom: 60px; }
.shelf-edge { position: absolute; bottom: -8px; left: 0; right: 0; height: 8px; background: linear-gradient(180deg, var(--wood-dark) 0%, #2D1F1A 100%); border-radius: 0 0 2px 2px; }

.book-cover { width: 180px; height: 260px; border-radius: 4px 12px 12px 4px; cursor: pointer; position: relative; display: flex; flex-direction: column; padding: 20px 16px; overflow: hidden; transform-style: preserve-3d; transition: all 0.3s ease; }
.book-cover:hover { transform: translateY(-8px) rotateY(-5deg); }
.book-spine { position: absolute; left: 0; top: 0; bottom: 0; width: 8px; background: linear-gradient(90deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.1) 50%, transparent 100%); border-radius: 4px 0 0 4px; }
.book-border-top, .book-border-bottom { position: absolute; left: 20px; right: 20px; height: 2px; background: linear-gradient(90deg, transparent, rgba(212,175,55,0.6), transparent); }
.book-border-top { top: 12px; }
.book-border-bottom { bottom: 50px; background: linear-gradient(90deg, transparent, rgba(212,175,55,0.4), transparent); }
.book-title { font-family: 'Playfair Display', Georgia, serif; font-size: 18px; font-weight: 700; color: var(--cream); text-align: center; margin-top: 24px; margin-bottom: 16px; text-shadow: 1px 1px 2px rgba(0,0,0,0.5); line-height: 1.3; letter-spacing: 0.5px; }
.book-divider { width: 60px; height: 1px; background: rgba(212,175,55,0.5); margin: 0 auto 16px; }
.book-summary { font-family: 'Cormorant Garamond', Georgia, serif; font-size: 12px; color: rgba(245,230,211,0.85); text-align: center; line-height: 1.5; flex: 1; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; }
.book-status { position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%); color: #fff; font-size: 9px; font-family: 'Cormorant Garamond', serif; font-weight: 600; text-transform: uppercase; letter-spacing: 1.5px; padding: 4px 12px; border-radius: 2px; box-shadow: 0 2px 4px rgba(0,0,0,0.3); }

.back-btn { background: transparent; border: 1px solid var(--gold-dim); color: var(--gold); padding: 10px 24px; font-size: 14px; font-family: 'Cormorant Garamond', serif; letter-spacing: 2px; text-transform: uppercase; cursor: pointer; margin: 0 0 40px 40px; transition: all 0.3s ease; }
.back-btn:hover { background: rgba(212,175,55,0.1); border-color: var(--gold-bright); }

/* Editor - 2 column layout (no embedded Alice) */
.editor-container { display: grid; grid-template-columns: 250px 1fr; height: calc(100vh - 200px); gap: 0; margin: 0 20px; }
.file-tree { background: rgba(20,15,12,0.95); border-right: 1px solid var(--gold-dim); padding: 20px; overflow-y: auto; border-radius: 8px 0 0 8px; }
.file-tree-item { padding: 8px 12px; color: var(--cream-dim); cursor: pointer; border-radius: 4px; font-size: 14px; transition: all 0.2s; }
.file-tree-item:hover { background: rgba(212,175,55,0.1); color: var(--cream); }
.file-tree-item.active { background: rgba(212,175,55,0.15); color: var(--gold); }
.file-tree-folder { font-weight: 600; color: var(--gold); cursor: default; }
.file-tree-children { padding-left: 16px; }

.editor-main { background: rgba(15,12,10,0.98); display: flex; flex-direction: column; border-radius: 0 8px 8px 0; }
.editor-header { padding: 16px 24px; border-bottom: 1px solid var(--gold-dim); display: flex; justify-content: space-between; align-items: center; }
.editor-filename { font-family: 'Playfair Display', serif; font-size: 18px; color: var(--gold); }
.editor-actions button { background: var(--gold); color: var(--bg-dark); border: none; padding: 8px 20px; font-family: 'Cormorant Garamond', serif; font-size: 14px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; cursor: pointer; border-radius: 2px; margin-left: 12px; transition: all 0.2s; }
.editor-actions button:hover { background: #e5c349; }
.editor-actions button.secondary { background: transparent; color: var(--gold); border: 1px solid var(--gold-dim); }
.editor-textarea { flex: 1; background: transparent; border: none; color: var(--cream); font-family: 'Cormorant Garamond', Georgia, serif; font-size: 16px; line-height: 1.8; padding: 24px; resize: none; outline: none; }
.editor-textarea::placeholder { color: var(--cream-dim); }

/* Floating Alice - appears on ALL pages */
.alice-floating-btn { position: fixed; right: 24px; bottom: 24px; width: 60px; height: 60px; border-radius: 50%; background: linear-gradient(135deg, var(--gold) 0%, #C9A227 100%); border: 3px solid var(--wood-dark); padding: 0; cursor: pointer; box-shadow: 0 4px 16px rgba(0,0,0,0.3); display: flex; align-items: center; justify-content: center; z-index: 200; overflow: hidden; transition: all 0.3s ease; }
.alice-floating-btn:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(0,0,0,0.4); }
.alice-floating-btn img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }

.alice-panel-floating { position: fixed; right: 24px; bottom: 24px; width: 380px; height: 500px; background: linear-gradient(180deg, var(--parchment) 0%, var(--parchment-dark) 100%); border-radius: 12px; border: 2px solid var(--gold); box-shadow: 0 8px 32px rgba(0,0,0,0.4); display: flex; flex-direction: column; overflow: hidden; z-index: 200; }

.assistant-header { padding: 16px 20px; background: linear-gradient(135deg, var(--gold) 0%, #C9A227 100%); border-bottom: 2px solid var(--wood-dark); display: flex; align-items: center; justify-content: space-between; border-radius: 10px 10px 0 0; }
.alice-header-profile { display: flex; align-items: center; gap: 12px; }
.alice-avatar-small { width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--wood-dark); object-fit: cover; }
.assistant-header h3 { font-family: 'Playfair Display', serif; font-size: 20px; color: var(--bg-dark); letter-spacing: 2px; margin: 0; }
.alice-close { background: none; border: none; color: var(--bg-dark); font-size: 20px; cursor: pointer; padding: 4px 8px; opacity: 0.7; transition: opacity 0.2s; }
.alice-close:hover { opacity: 1; }

.assistant-messages { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.assistant-message { padding: 12px 16px; border-radius: 8px; font-size: 15px; line-height: 1.6; max-width: 90%; }
.assistant-message.user { background: linear-gradient(135deg, var(--wood-mid) 0%, var(--wood-dark) 100%); color: var(--cream); margin-left: auto; border: 1px solid var(--wood-dark); }
.assistant-message.assistant { background: rgba(255,255,255,0.9); color: var(--bg-dark); margin-right: auto; border: 1px solid var(--gold-dim); box-shadow: 2px 2px 8px rgba(0,0,0,0.1); }

.assistant-input { padding: 16px; border-top: 1px solid var(--gold-dim); background: var(--parchment); }
.assistant-input textarea { width: 100%; background: rgba(255,255,255,0.9); border: 1px solid var(--gold-dim); border-radius: 4px; color: var(--bg-dark); font-family: 'Cormorant Garamond', serif; font-size: 15px; padding: 12px; resize: none; outline: none; min-height: 80px; }
.assistant-input textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 2px rgba(212,175,55,0.2); }
.assistant-input textarea::placeholder { color: rgba(0,0,0,0.4); }
.assistant-input button { width: 100%; margin-top: 12px; background: linear-gradient(135deg, var(--gold) 0%, #C9A227 100%); color: var(--bg-dark); border: none; padding: 12px; font-family: 'Playfair Display', serif; font-size: 14px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; cursor: pointer; border-radius: 4px; transition: all 0.2s; box-shadow: 0 2px 4px rgba(0,0,0,0.2); }
.assistant-input button:hover { background: linear-gradient(135deg, #e5c349 0%, var(--gold) 100%); transform: translateY(-1px); box-shadow: 0 4px 8px rgba(0,0,0,0.25); }
.assistant-input button:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.footer { text-align: center; padding: 40px 20px; border-top: 1px solid rgba(212,175,55,0.1); margin-top: 80px; }
.footer p { font-size: 12px; color: rgba(245,230,211,0.4); letter-spacing: 2px; }
.loading { display: flex; justify-content: center; align-items: center; height: 200px; color: var(--gold); font-size: 18px; letter-spacing: 2px; }
.loading::after { content: ''; width: 20px; height: 20px; border: 2px solid var(--gold-dim); border-top-color: var(--gold); border-radius: 50%; margin-left: 12px; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }