.app-shell{pointer-events:none;z-index:10;width:100%;height:100%;position:fixed;top:0;left:0}.top-bar{top:calc(var(--safe-top) + 8px);-webkit-backdrop-filter:blur(12px);pointer-events:auto;background:#ffffffd9;border-radius:20px;align-items:center;padding:6px 16px;display:flex;position:absolute;left:16px;right:16px;box-shadow:0 2px 12px #00000014}.top-bar-title{font-family:var(--font-neat-handwriting);color:var(--color-accent);font-size:.95rem;font-weight:600}.top-bar-spacer{flex:1}.top-bar-date{font-family:var(--font-minimal-sans);color:var(--color-text);cursor:pointer;border-radius:10px;align-items:center;gap:6px;padding:4px 10px;font-size:.8rem;transition:background .15s;display:flex}.top-bar-date:hover{background:#0000000d}.today-badge{background:var(--color-accent);color:#fff;font-size:.65rem;font-family:var(--font-minimal-sans);border-radius:8px;padding:1px 7px}.bottom-bar{bottom:calc(var(--safe-bottom) + 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flipBackward{0%{transform:perspective(1200px)rotateY(0)}40%{transform:perspective(1200px)rotateY(8deg)scale(.97)}to{transform:perspective(1200px)rotateY(0)scale(1)}}.book-page{background:#f5f0e8;flex:1;position:relative;overflow:hidden}.book-page-left{background:linear-gradient(90deg,#00000008 0%,#0000 3%);border-radius:6px 0 0 6px}.book-page-right{background:linear-gradient(270deg,#00000008 0%,#0000 3%);border-radius:0 6px 6px 0}.page-content-scroll{-webkit-overflow-scrolling:touch;width:100%;height:100%;padding:24px 20px 20px;overflow:hidden auto}.book-spine-2d{background:var(--cover-color,#4a2c1a);flex-shrink:0;justify-content:center;align-items:center;width:18px;display:flex;position:relative;box-shadow:inset -2px 0 4px #0000004d,inset 2px 0 4px #ffffff0d}.spine-inner{background:#0000004d;border-radius:1px;width:2px;height:85%}.curl-hint{cursor:pointer;opacity:0;z-index:5;border-radius:6px;justify-content:center;align-items:center;width:28px;height:60px;transition:opacity 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.15s;display:flex}.mobile-date-text:active{background:#0000000d}.mobile-today-badge{background:var(--color-accent);color:#fff;border-radius:8px;padding:2px 8px;font-size:.65rem}.swipe-hint{color:#ffffff4d;font-size:.7rem;font-family:var(--font-minimal-sans);pointer-events:none;z-index:5;animation:3s 1s forwards fadeHint;position:fixed;bottom:80px;left:50%;transform:translate(-50%)}@keyframes fadeHint{0%,60%{opacity:1}to{opacity:0}}@media (width<=768px){.top-bar{top:calc(var(--safe-top) + 4px);background:#fffc;border-radius:14px;gap:4px;padding:4px 8px}.top-bar .nav-btn{width:32px;height:32px;font-size:14px}.date-display{display:none}.bottom-bar{border-radius:20px;gap:8px;padding:6px 12px;bottom:76px}}