:root{--bg: #1b120c;--bg-elevated: #2a1c12;--bg-card: #342318;--border: #6b4a2e;--text: #fff6e8;--text-muted: #e2c7a4;--accent: #e0a24b;--accent-strong: #ffc56d;--danger: #c45c5c;--success: #6b9b7a;--strike: #c45c5c;--added: #6b9b7a;--font-sans: "IBM Plex Sans", system-ui, sans-serif;--font-serif: "IBM Plex Serif", Georgia, serif;--safe-bottom: env(safe-area-inset-bottom, 0px);--nav-h: 56px;--header-h: 52px}[data-mood=charcoal]{--bg: #141416;--bg-elevated: #1c1c1f;--bg-card: #222226;--border: #333338}[data-mood=slate]{--bg: #1a1d21;--bg-elevated: #22262b;--bg-card: #2a2f35;--border: #3a4048}[data-accent=copper]{--accent: #b08968;--accent-strong: #c9a88a}[data-accent=teal]{--accent: #6a9e9a;--accent-strong: #8bbdb8}[data-font=system]{--font-sans: system-ui, -apple-system, sans-serif;--font-serif: Georgia, serif}[data-font=serif]{--font-sans: "IBM Plex Serif", Georgia, serif;--font-serif: "IBM Plex Serif", Georgia, 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var(--border);background:var(--bg-elevated);flex-shrink:0}.header select{flex:1;min-width:0;font-weight:500}.main{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(var(--nav-h) + var(--safe-bottom) + 8px)}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;height:calc(var(--nav-h) + var(--safe-bottom));padding-bottom:var(--safe-bottom);display:flex;background:var(--bg-elevated);border-top:1px solid var(--border);z-index:40}.bottom-nav button{flex:1;border:none;border-radius:0;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;color:var(--text-muted);padding:6px 4px}.bottom-nav button.active{color:var(--accent-strong)}.bottom-nav .icon{font-size:18px;line-height:1}.section-title{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin:16px 16px 8px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:12px;margin:0 12px 10px}.card h3{font-size:15px;font-weight:600;margin-bottom:6px}.field-label{display:block;font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--accent-strong);margin:8px 0 4px}.menu-list{margin:16px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:16px;overflow:hidden}.menu-row{display:flex;align-items:center;gap:14px;width:100%;text-align:left;border:none;border-bottom:1px solid var(--border);border-radius:0;background:transparent;padding:16px 18px;font-size:17px}.menu-row:last-child{border-bottom:none}.menu-icon{width:28px;text-align:center;font-size:18px}.back-link{margin:12px;border:none;background:transparent;color:var(--accent-strong);font-size:15px;padding:6px 4px}.row{display:flex;gap:8px;align-items:center}.row>*{flex:1}.locked-badge{display:inline-block;font-size:11px;padding:2px 6px;border-radius:4px;background:var(--border);color:var(--text-muted);margin-left:6px}.diff-removed{text-decoration:line-through;color:var(--strike);background:#c45c5c1f}.diff-added{color:var(--added);background:#6b9b7a26}.prose-body{font-family:var(--font-serif);white-space:pre-wrap;line-height:1.55}.playbook-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:0 12px 16px}.playbook-grid button{text-align:left;padding:10px 12px;font-size:13px}.tab-content{padding-top:4px}.help-block{margin:0 12px 14px;padding:12px;background:var(--bg-card);border-radius:10px;border:1px solid var(--border)}.help-block h3{font-size:14px;margin-bottom:6px;color:var(--accent-strong)}.help-block p{font-size:14px;color:var(--text);line-height:1.5}.empty-state{text-align:center;padding:32px 24px;color:var(--text-muted)}.toast{position:fixed;bottom:calc(var(--nav-h) + var(--safe-bottom) + 12px);left:50%;transform:translate(-50%);background:var(--bg-elevated);border:1px solid var(--border);padding:10px 16px;border-radius:10px;z-index:50;max-width:90%;font-size:13px}.source-badge{display:inline-block;margin-left:8px;font-size:11px;padding:2px 7px;border-radius:999px;background:var(--border);color:var(--text-muted);font-weight:500;white-space:nowrap;vertical-align:middle}.locked-badge{display:inline-block;margin-left:8px;font-size:11px;padding:2px 7px;border-radius:999px;background:#c45c5c33;color:var(--danger);font-weight:500}.book-shelf{display:flex;flex-direction:column;gap:16px;padding:20px 16px 32px}.book-card{display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end;min-height:180px;text-align:left;border:none;border-left:8px solid var(--accent);border-radius:14px;background:var(--bg-card);padding:20px;box-shadow:0 10px 24px #00000047}.book-title{font-size:26px;font-weight:650;line-height:1.15;color:var(--text)}.book-meta{margin-top:12px;color:var(--text-muted);font-size:14px}.book-card-new{min-height:88px;justify-content:center;border-left-color:var(--border)}