:root{--surface:#f0ebe4;--surface-alt:#e8e0d6;--parchment:#e8dcc8;--ink:#2a1f18;--ink-deep:#1a1208;--ink-system:#0f0a04;--ink-faded:#9c8e78;--ink-watermark:#d4c9b0;--accent:#8b5e3c;--muted:#2a1f1873;--border:#8b5e3c40;--border-light:#8b5e3c1f;--ink-bleed:0 0 1px #1a120866, .5px .3px 2px #3c281433, -.3px .4px 3px #50371e1f;--ink-bleed-light:0 0 .8px #1a12084d, .3px .2px 1.5px #3c281426;--font-serif:"Cormorant Garamond", "Noto Serif SC", serif;--font-mono:"Courier Prime", monospace;--ease-breath:cubic-bezier(.4, 0, .2, 1);--duration-fade:3.5s;--duration-seep:1.8s;--duration-grow:.8s}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%}body{font-family:var(--font-serif);color:var(--ink);-webkit-font-smoothing:antialiased;background-color:#1a1410;font-size:18px;line-height:1.8;position:relative;overflow-x:hidden}body:after{content:"";z-index:9991;pointer-events:none;background:radial-gradient(at 40% 30%,#ffc8640a 0%,#0000 50%),radial-gradient(at 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#0000000f}.summary-modal__card::-webkit-scrollbar{display:none}.summary-modal__card{scrollbar-width:none}.summary-modal__text{font-family:var(--font-serif);color:var(--ink-deep);text-shadow:var(--ink-bleed);letter-spacing:.3px;font-size:18px;font-weight:500;line-height:2.2}.summary-modal__close{font-family:var(--font-serif);color:var(--muted);letter-spacing:2px;cursor:pointer;transition:color .3s var(--ease-breath);background:0 0;border:none;margin:2.5rem auto 0;font-size:14px;display:block}.summary-modal__close:hover{color:var(--accent)}.history-drawer__trigger{z-index:10002;width:28px;height:56px;color:var(--parchment);cursor:pointer;background:#4a2e15b3;border:none;border-radius:0 4px 4px 0;justify-content:center;align-items:center;font-size:14px;transition:background .3s,width 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.2s}.history-drawer__close:hover{color:var(--ink)}.history-drawer__empty{font-family:var(--font-serif);color:var(--muted);text-align:center;margin-top:3rem;font-size:14px}.history-drawer__item{border-bottom:1px solid var(--border-light);padding:1rem 0}.history-drawer__item-header{cursor:pointer;transition:opacity .2s}.history-drawer__item-header:hover{opacity:.75}.history-drawer__item-summary{font-family:var(--font-serif);color:var(--ink);margin:0 0 .4rem;font-size:14px;line-height:1.8}.history-drawer__item-meta{font-family:var(--font-mono);letter-spacing:1px;color:var(--muted);font-size:11px}.history-drawer__detail{background:#00000008;border-radius:2px;max-height:40vh;margin-top:1rem;padding:1rem;overflow-y:auto}.history-drawer__msg{font-family:var(--font-serif);color:var(--ink);margin:.5rem 0;font-size:13px;line-height:1.8}.history-drawer__msg--user{opacity:.6;padding-left:0}.history-drawer__msg--user:before{content:"› ";color:var(--muted)}.history-drawer__msg--assistant{border-left:2px solid var(--border);padding-left:1rem}.book-page{width:100%;min-height:var(--vh-lock,100vh);background-color:#4a2e15;background-image:repeating-linear-gradient(92deg,#0000 0 5px,#00000012 5px 7px,#0000 7px 14px,#1e0f050f 14px 16px),repeating-linear-gradient(86deg,#0000 0 18px,#0000001f 18px 21px,#0000 21px 45px,#28140517 45px 49px,#0000 49px 70px,#00000012 70px 72px),radial-gradient(30px 20px at 20% 35%,#1e0f052e 0%,#0000 70%),radial-gradient(22px 16px at 75% 65%,#190c0324 0%,#0000 65%),radial-gradient(18px 24px at 55% 15%,#2312051a 0%,#0000 60%),url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='5' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.09'/%3E%3C/svg%3E"),linear-gradient(175deg,#4a2e15 0%,#5c3a1e 12%,#6b4423 30%,#573518 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20px #00000014,inset 0 0 60px #64461e0a}.book-page__paper:after{content:"";background:linear-gradient(225deg, transparent 50%, #b4a07866 50%, #a08c6499 60%, var(--parchment) 60%);z-index:15;pointer-events:none;border-radius:0 0 0 4px;width:32px;height:32px;position:absolute;top:0;right:0;box-shadow:-2px 2px 4px #00000026,-1px 1px 2px #0000001a}.book-page__gutter{pointer-events:none;z-index:10;background:linear-gradient(90deg,#1a141026 0%,#1a14100f 40%,#0000 100%);width:40px;position:absolute;top:0;bottom:0;left:0}.book-page__grain{opacity:.08;pointer-events:none;z-index:12;mix-blend-mode:soft-light;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='ng'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' 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var(--ease-breath), color .3s var(--ease-breath);background:linear-gradient(135deg,#0000 50%,#2a1f181f 50%);border:none;justify-content:flex-end;align-items:flex-end;padding:4px 6px;font-size:10px;display:flex;position:absolute;bottom:0;right:0}.book-page__turn:hover{color:var(--accent);background:linear-gradient(135deg,#0000 40%,#2a1f1833 40%)}.book-page__turn:active{background:linear-gradient(135deg,#0000 35%,#2a1f184d 35%)}.book-page__paper::-webkit-scrollbar{display:none}.book-page__paper{scrollbar-width:none}@media (width>=768px){.book-page:before{content:"";pointer-events:none;z-index:9990;position:fixed;inset:0;box-shadow:inset 0 0 0 10px #1a0f08,inset 10px 10px #6b4928,inset -10px -10px #2a1808,inset 0 0 0 20px #3d2510,inset 20px 20px #a08040,inset -20px -20px #2e1a0a,inset 0 0 0 26px #7a5230,inset 26px 26px #8b6838,inset -26px -26px #1e1108,inset 0 0 0 36px #4a2e18,inset 36px 36px #b89850,inset -36px -36px #2a1808,inset 0 0 0 40px #6b4425,inset 40px 40px #7a5830,inset -40px 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