:root{--bg: #1f1e1d;--surface: #2a2927;--surface-raised: #35332f;--border: #3a3835;--text: #f0eee6;--text-dim: #a6a199;--accent: #d97757;--accent-ink: #2a120a;--ok: #8faa84;--danger: #e0705c;--gutter: 18px;--reading: 17px;--serif: ui-serif, "New York", Georgia, "Times New Roman", serif;--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;overscroll-behavior:none}.app{display:flex;flex-direction:column;height:100dvh}.app-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:calc(env(safe-area-inset-top) + 12px) var(--gutter) 12px;border-bottom:1px solid var(--border);background:var(--bg)}.app-title{flex:1;min-width:0}.icon-button{flex:0 0 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