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var(--color-border);border-bottom-width:2px;border-radius:var(--radius-sm);font-family:inherit;font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-primary);text-align:center;white-space:nowrap}.reader__shortcut-label{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.reader__font-btn{width:36px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);flex-shrink:0;color:var(--color-text-secondary);transition:background var(--transition-fast),color 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var(--space-md);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-primary);text-align:left;min-height:44px;cursor:pointer;transition:background var(--transition-fast)}.reader__theme-option:hover{background:var(--color-border)}.reader__theme-option:focus-within{outline:2px solid var(--color-accent);outline-offset:2px;box-shadow:0 0 0 4px var(--color-accent-glow)}.reader__theme-option--active{font-weight:700;background:var(--color-accent-glow)}.reader__theme-swatch{width:22px;height:22px;border-radius:var(--radius-full);border:2px solid var(--color-border-neutral);flex-shrink:0;box-shadow:var(--shadow-inset);transition:transform var(--transition-fast)}.reader__theme-option:hover .reader__theme-swatch{transform:scale(1.12)}.text-display{flex:1;overflow-y:auto;padding:var(--space-xl) var(--space-lg);scroll-behavior:smooth;-webkit-overflow-scrolling:touch;background:var(--color-background)}.text-display__content{margin:0 auto;padding:var(--space-xl) var(--space-xxl) calc(var(--space-xxl) * 1.5);max-width:calc(var(--max-line-width) + var(--space-xxl) * 2);background:var(--color-surface-raised);border-radius:var(--radius-xl);box-shadow:0 2px 0 var(--color-border),var(--shadow-text-area);border:1px solid var(--color-border);min-height:40vh;position:relative}.text-display__content:before{content:"";position:absolute;top:0;left:var(--space-xxl);right:var(--space-xxl);height:2px;background:linear-gradient(90deg,transparent 0%,var(--color-accent) 20%,var(--color-accent) 80%,transparent 100%);opacity:.18;border-radius:var(--radius-full)}.word{transition:background var(--highlight-transition),opacity var(--highlight-transition),box-shadow var(--highlight-transition);border-radius:3px;padding:1px 2px;margin:0 -1px}.word--active{background:var(--highlight-bg);box-shadow:0 0 0 2px var(--highlight-glow),0 1px 4px var(--highlight-glow)}.word--spoken{opacity:var(--text-spoken-opacity)}.text-display__resync{position:fixed;bottom:120px;left:50%;transform:translate(-50%);padding:var(--space-sm) var(--space-lg);background:var(--color-accent);color:var(--color-on-accent);border-radius:var(--radius-full);font-size:var(--font-size-sm);font-weight:700;box-shadow:var(--shadow-md),0 0 0 4px var(--color-accent-glow);z-index:10;animation:resync-in .3s cubic-bezier(.2,0,0,1);transition:background var(--transition-fast),transform var(--transition-fast)}.text-display__resync:hover{background:var(--color-accent-hover);transform:translate(-50%) scale(1.04)}.text-display__resync:active{transform:translate(-50%) scale(.97)}@keyframes resync-in{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.player{flex-shrink:0;padding:var(--space-md) var(--space-lg) var(--space-lg);padding-bottom:max(var(--space-lg),env(safe-area-inset-bottom));background:var(--color-surface);border-top:1px solid var(--color-border);box-shadow:0 -1px 0 var(--color-border),var(--shadow-player);position:relative}.player:before{content:"";position:absolute;top:-1px;left:var(--space-xxl);right:var(--space-xxl);height:2px;background:linear-gradient(90deg,transparent 0%,var(--color-accent) 30%,var(--color-accent) 70%,transparent 100%);opacity:.22;border-radius:var(--radius-full)}.player__progress{height:4px;background:var(--color-border);margin-bottom:var(--space-md);border-radius:var(--radius-full);overflow:hidden}.player__progress-fill{height:100%;background:linear-gradient(90deg,var(--color-accent) 0%,var(--color-accent-hover) 100%);border-radius:var(--radius-full);transition:width .3s ease}@media(prefers-reduced-motion:reduce){.player__progress-fill{transition:none}}.player__row{display:flex;align-items:center;justify-content:center;gap:var(--space-lg);margin-bottom:var(--space-sm)}.player__btn{display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);color:var(--color-text-primary)}.player__btn--play{width:60px;height:60px;background:var(--color-accent);color:var(--color-on-accent);box-shadow:0 3px 12px var(--color-accent-glow),var(--shadow-button-warm);transition:background var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-base)}.player__btn--play:hover{background:var(--color-accent-hover);transform:scale(1.07);box-shadow:0 6px 20px var(--color-accent-glow),0 0 0 5px var(--color-accent-glow)}.player__btn--play:active{transform:scale(.94);box-shadow:0 1px 4px var(--color-accent-glow)}.player__btn--secondary{width:48px;height:48px;transition:background var(--transition-fast),color var(--transition-fast),transform var(--transition-fast);color:var(--color-text-secondary)}.player__btn--secondary:hover{background:var(--color-border);color:var(--color-accent);transform:scale(1.08)}.player__btn--secondary:active{transform:scale(.92)}.player__buffering-hint{text-align:center;font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-bottom:var(--space-sm);animation:fadeIn .4s ease}.player__info{display:flex;justify-content:center;align-items:center;gap:var(--space-lg)}.player__speed,.player__chapter{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-secondary);padding:5px var(--space-sm);border-radius:var(--radius-md);transition:background var(--transition-fast),color var(--transition-fast);letter-spacing:.02em;min-height:44px;display:flex;align-items:center}.player__speed:hover,.player__chapter:hover{background:var(--color-border);color:var(--color-text-primary)}.player__spinner{animation:player-spin .9s linear infinite}@keyframes player-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.player__spinner{animation:none;opacity:.5}}.player__rewind-wrap{position:relative;display:inline-flex;align-items:center;justify-content:center}.player__rewind-label{position:absolute;font-size:9px;font-weight:700;line-height:1;letter-spacing:-.02em;margin-top:3px}.reader__chapter-list{position:fixed;bottom:140px;left:50%;transform:translate(-50%);width:90%;max-width:400px;max-height:300px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);z-index:20;overflow:hidden;animation:chapter-list-in .25s cubic-bezier(.2,0,0,1)}@keyframes chapter-list-in{0%{opacity:0;transform:translate(-50%) translateY(14px) scale(.97)}to{opacity:1;transform:translate(-50%) translateY(0) scale(1)}}.reader__chapter-list-inner{overflow-y:auto;max-height:300px;padding:var(--space-xs)}.reader__chapter-item{display:flex;align-items:center;width:100%;padding:var(--space-sm) var(--space-md);text-align:left;font-size:var(--font-size-md);font-weight:500;border-radius:var(--radius-md);color:var(--color-text-primary);cursor:pointer;transition:background var(--transition-fast);min-height:44px;line-height:1.4}.reader__chapter-item:focus-within{outline:2px solid var(--color-accent);outline-offset:2px;box-shadow:0 0 0 4px var(--color-accent-glow)}.reader__chapter-item:hover{background:var(--color-border)}.reader__chapter-item--active{background:var(--color-accent);color:var(--color-on-accent);font-weight:700}.reader__chapter-item--active:hover{background:var(--color-accent-hover)}.settings-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000;z-index:100;display:flex;align-items:flex-end;animation:overlay-in .3s ease forwards}@keyframes overlay-in{to{background:#0006}}.settings-drawer{width:100%;max-height:80vh;background:var(--color-background);border-radius:var(--radius-xl) var(--radius-xl) 0 0;overflow-y:auto;animation:drawer-slide-up .35s cubic-bezier(.2,0,0,1);box-shadow:var(--shadow-drawer)}@keyframes drawer-slide-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}.settings-drawer__header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);padding-top:var(--space-lg);border-bottom:1px solid var(--color-border);position:relative}.settings-drawer__header:before{content:"";position:absolute;top:var(--space-sm);left:50%;transform:translate(-50%);width:36px;height:4px;background:var(--color-border);border-radius:var(--radius-full)}.settings-drawer__header h2{font-size:var(--font-size-lg);font-weight:700;letter-spacing:-.01em}.settings-drawer__close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:var(--font-size-xl);color:var(--color-text-secondary);border-radius:var(--radius-full);transition:background var(--transition-fast),color var(--transition-fast),transform var(--transition-fast)}.settings-drawer__close:hover{background:var(--color-surface);color:var(--color-text-primary);transform:scale(1.1)}.settings-drawer__close:active{transform:scale(.9)}.settings-drawer__body{padding:var(--space-lg);display:flex;flex-direction:column;gap:var(--space-lg)}.settings-field{border:none}.settings-field legend{font-size:var(--font-size-sm);font-weight:700;color:var(--color-text-secondary);letter-spacing:.04em;margin-bottom:var(--space-sm)}.settings-field__options{display:flex;flex-wrap:wrap;gap:var(--space-sm);align-items:center}.settings-field__hint{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:600}.settings-chip{padding:var(--space-sm) var(--space-md);background:var(--color-surface);border:2px solid transparent;border-radius:var(--radius-full);font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-primary);transition:border-color var(--transition-fast),background var(--transition-fast),color var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}.settings-chip:hover{border-color:var(--color-border);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.settings-chip--active{border-color:var(--color-accent);background:var(--color-accent);color:var(--color-on-accent);box-shadow:0 2px 8px var(--color-accent-glow)}.settings-chip--active:hover{transform:translateY(-1px);box-shadow:0 4px 14px var(--color-accent-glow)}.settings-swatch{width:44px;height:44px;border-radius:var(--radius-full);border:3px solid transparent;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-inset-md);transition:border-color var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast)}.settings-swatch:hover{transform:scale(1.12);box-shadow:var(--shadow-inset-md),var(--shadow-neutral-sm)}.settings-swatch--active{border-color:var(--color-accent);box-shadow:var(--shadow-inset-md),0 0 0 3px var(--color-accent-glow)}.settings-field__stepper{display:flex;align-items:center;gap:var(--space-md)}.settings-stepper-btn{width:44px;height:44px;background:var(--color-surface);border-radius:var(--radius-full);font-size:var(--font-size-md);font-weight:700;display:flex;align-items:center;justify-content:center;color:var(--color-text-primary);transition:background var(--transition-fast),transform var(--transition-fast)}.settings-stepper-btn:hover{background:var(--color-border);transform:scale(1.08)}.settings-stepper-btn:active{transform:scale(.92)}.settings-stepper-value{font-size:var(--font-size-md);font-weight:700;min-width:60px;text-align:center}.settings-select{width:100%;padding:var(--space-sm) var(--space-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-md);color:var(--color-text-primary);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='%236B5C48'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}.settings-select:hover{border-color:var(--color-accent)}.settings-select:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-glow);outline:none}.settings-input{flex:1;padding:var(--space-sm) var(--space-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-md);color:var(--color-text-primary);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);min-width:0}.settings-input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-glow);outline:none}.settings-input:disabled{opacity:.6}.settings-field__activate{display:flex;gap:var(--space-sm);align-items:center}.settings-chip--action{white-space:nowrap;flex-shrink:0}.settings-chip--action:disabled{opacity:.5;cursor:not-allowed}.settings-chip--primary{background:var(--color-accent);color:var(--color-on-accent);font-weight:600}.settings-chip--danger{background:var(--color-error);color:var(--color-on-accent);font-weight:600}.settings-field__description{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-top:var(--space-sm);margin-bottom:0;line-height:1.55}.settings-field__description--center{text-align:center}.settings-field__confirm{display:flex;gap:var(--space-sm);align-items:center;justify-content:center}.settings-field__confirm-label{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.settings-button{display:inline-flex;align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-sm);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-primary);font-size:var(--font-size-sm);font-weight:500;cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast)}.settings-button:hover:not(:disabled){background:var(--color-border)}.settings-button:disabled{opacity:.5;cursor:not-allowed}.settings-button--secondary{background:var(--color-surface);border-color:var(--color-border)}.settings-field__error{margin-top:var(--space-xs);font-size:var(--font-size-sm);color:var(--color-error)}.settings-field__invite-link{display:inline;margin-top:var(--space-xs);padding:0;border:none;background:none;color:var(--color-text-secondary);font-size:var(--font-size-sm);text-decoration:underline;cursor:pointer}.settings-field__invite-link:hover{color:var(--color-text-primary)}.settings-field__status{display:flex;align-items:center;gap:var(--space-sm)}.settings-badge{display:inline-flex;align-items:center;padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-full);font-size:var(--font-size-sm);font-weight:700}.settings-badge--success{background:var(--color-accent-glow);color:var(--color-success)}.swipe-indicator{position:fixed;top:50%;transform:translateY(-50%);font-size:4rem;color:var(--color-accent);opacity:.6;pointer-events:none;animation:swipeFade .3s ease-out;z-index:100}.swipe-indicator--left{right:2rem}.swipe-indicator--right{left:2rem}@keyframes swipeFade{0%{opacity:0;transform:translateY(-50%) scale(.8)}to{opacity:.6;transform:translateY(-50%) scale(1)}}.tap-ripple{position:fixed;width:100px;height:100px;margin-left:-50px;margin-top:-50px;border-radius:50%;background:radial-gradient(circle,var(--color-accent-glow) 0%,transparent 70%);pointer-events:none;animation:rippleEffect .6s ease-out;z-index:100}@keyframes rippleEffect{0%{transform:scale(0);opacity:1}to{transform:scale(2);opacity:0}}@media(max-width:768px){.swipe-indicator{font-size:3rem}.swipe-indicator--left{right:1rem}.swipe-indicator--right{left:1rem}}.gesture-hint{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--scrim-bg-heavy);display:flex;align-items:center;justify-content:center;z-index:9999;padding:var(--space-xl);animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.gesture-hint__content{background:var(--color-surface);border-radius:var(--radius-xl);padding:var(--space-xl);max-width:400px;text-align:center;box-shadow:var(--shadow-xl)}.gesture-hint__title{font-size:var(--font-size-xxl);font-weight:700;color:var(--color-text-primary);margin-bottom:var(--space-lg);letter-spacing:-.02em}.gesture-hint__tips{display:flex;flex-direction:column;gap:var(--space-md);margin-bottom:var(--space-xl)}.gesture-hint__tip{display:flex;align-items:center;gap:var(--space-md);font-size:var(--font-size-lg);color:var(--color-text-primary)}.gesture-hint__icon{font-size:var(--font-size-xxl);min-width:50px}.gesture-hint__dismiss{padding:var(--space-md) var(--space-xl);background:var(--color-accent);color:var(--color-on-accent);font-size:var(--font-size-lg);font-weight:700;border-radius:var(--radius-full);box-shadow:var(--shadow-md);transition:transform var(--transition-fast),box-shadow var(--transition-base),background var(--transition-fast)}.gesture-hint__dismiss:hover{background:var(--color-accent-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.reader__bookmark-btn{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);flex-shrink:0;color:var(--color-text-secondary);transition:background var(--transition-fast),color var(--transition-fast),transform var(--transition-fast)}.reader__bookmark-btn:hover{background:var(--color-border);transform:scale(1.06)}.reader__bookmark-btn:active{transform:scale(.94)}.reader__bookmark-btn--active{color:var(--color-accent)}.reader__bookmark-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:19}.reader__bookmark-list{position:fixed;top:64px;right:var(--space-md);width:300px;max-width:calc(100vw - var(--space-lg));max-height:380px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);z-index:20;overflow:hidden;display:flex;flex-direction:column;animation:chapter-list-in .2s cubic-bezier(.2,0,0,1)}.reader__bookmark-list-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--color-border);flex-shrink:0}.reader__bookmark-list-title{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:700;letter-spacing:.04em}.reader__bookmark-add-btn{font-size:var(--font-size-sm);color:var(--color-accent);font-weight:600;padding:2px 8px;border-radius:var(--radius-sm);transition:background var(--transition-fast)}.reader__bookmark-add-btn:hover{background:var(--color-border)}.reader__bookmark-list-inner{overflow-y:auto;flex:1;padding:var(--space-xs)}.reader__bookmark-empty{font-size:var(--font-size-sm);color:var(--color-text-secondary);text-align:center;padding:var(--space-md);line-height:1.5}.reader__bookmark-item{display:flex;align-items:stretch;border-radius:var(--radius-md);overflow:hidden;margin-bottom:2px}.reader__bookmark-item--current{background:var(--color-accent-glow);background:color-mix(in srgb,var(--color-accent) 12%,transparent)}.reader__bookmark-item-body{flex:1;display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:var(--space-sm);text-align:left;border-radius:var(--radius-md) 0 0 var(--radius-md);transition:background var(--transition-fast)}.reader__bookmark-item-body:hover{background:var(--color-border)}.reader__bookmark-item-chapter{font-size:.875rem;font-weight:700;color:var(--color-text-secondary);letter-spacing:.04em}.reader__bookmark-item-preview{font-size:var(--font-size-sm);color:var(--color-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}.reader__bookmark-item-delete{min-width:44px;min-height:44px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--color-text-secondary);transition:background var(--transition-fast),color var(--transition-fast)}.reader__bookmark-item-delete:hover{background:var(--color-border);color:var(--color-text-primary)}@keyframes completionSlideUp{0%{opacity:0;transform:translateY(28px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.reader__completion-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--scrim-bg-heavy);display:flex;align-items:center;justify-content:center;z-index:200;padding:var(--space-lg);animation:fadeIn .3s ease}.reader__completion{background:var(--color-background);border-radius:var(--radius-xl);padding:var(--space-xxl) var(--space-xl);max-width:360px;width:100%;text-align:center;box-shadow:var(--shadow-xl);animation:completionSlideUp .35s cubic-bezier(.2,0,0,1);border:1px solid var(--color-border);position:relative;overflow:hidden}.reader__completion:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--color-accent) 0%,var(--color-accent-hover) 50%,var(--color-accent) 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