.undo-toast{background:var(--surface-inverse);color:var(--text-inverse);min-width:280px;max-width:420px;box-shadow:var(--elevation-3);z-index:var(--z-toast);border-radius:4px;position:fixed;bottom:24px;left:50%;overflow:hidden;transform:translate(-50%)}@media (width<=899px){.undo-toast{bottom:calc(var(--bottom-scroll-padding) + .5rem)}}.undo-toast__content{align-items:center;gap:12px;padding:12px 14px 10px;display:flex}.undo-toast__message{font-family:var(--font-body);flex:1;font-size:.9rem;font-style:italic;line-height:1.35}.undo-toast__actions{flex-shrink:0}.undo-toast__btn{border:1px solid color-mix(in srgb, var(--text-inverse) 35%, transparent);color:var(--text-inverse);font-family:var(--font-code);letter-spacing:.12em;text-transform:uppercase;cursor:pointer;background:0 0;border-radius:2px;padding:4px 10px;font-size:.7rem;transition:background .1s,border-color .1s}.undo-toast__btn:hover{background:color-mix(in srgb, var(--text-inverse) 12%, transparent);border-color:color-mix(in srgb, var(--text-inverse) 60%, transparent)}.undo-toast__btn:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.undo-toast__kbd{font-family:var(--font-code);opacity:.6;margin-left:4px;font-size:.65rem}.undo-toast__progress{background:color-mix(in srgb, var(--text-inverse) 15%, transparent);height:3px}.undo-toast__bar{background:var(--color-accent);transform-origin:0;height:100%;animation:linear forwards undo-countdown}@keyframes undo-countdown{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.undo-toast[data-paused=true] .undo-toast__bar{animation-play-state:paused}@media (prefers-reduced-motion:reduce){.undo-toast__bar{animation:none;transform:scaleX(0)}}.settings-shell{z-index:var(--z-modal);background:var(--scrim-backdrop);justify-content:center;align-items:center;padding:2.5rem;display:flex;position:fixed;inset:0}.settings-shell__dialog{border:1px solid var(--line-hairline);border-radius:var(--radius-lg);background:var(--surface-raised);width:min(980px,100%);height:min(720px,100vh - 5rem);box-shadow:var(--elevation-2);flex-direction:column;display:flex;overflow:hidden}.settings-shell__header{border-bottom:1px solid var(--line-hairline);flex-shrink:0;align-items:center;gap:.75rem;padding:1rem 1.5rem;display:flex}.settings-shell__close{min-width:var(--target-min);min-height:var(--target-min);border:1px solid var(--line-hairline);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;background:0 0;flex-shrink:0;justify-content:center;align-items:center;padding:.25rem .6rem;font-family:inherit;font-size:.875rem;transition:background .1s,border-color .1s;display:flex}.settings-shell__close:hover:not(:disabled){background:var(--surface-sunken);border-color:var(--text-muted)}.settings-shell__close:focus-visible{outline:2px solid var(--text-accent);outline-offset:2px}.settings-shell__identity{flex:1;min-width:0}.settings-shell__title{font-family:var(--font-body);color:var(--text-accent);margin:0;font-size:1.15rem;font-style:italic;font-weight:500;line-height:1.3}.settings-shell__subtitle{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:.875rem;overflow:hidden}.settings-shell__body{flex:1;min-height:0;display:flex}.settings-shell__rail{border-right:1px solid var(--line-hairline);flex-shrink:0;width:180px;padding:1rem 0}.settings-shell__rail nav{flex-direction:column;gap:.125rem;display:flex}.settings-shell__rail-btn{min-height:var(--target-min);color:var(--text-secondary);text-align:left;cursor:pointer;background:0 0;border:none;border-left:3px solid #0000;align-items:center;width:100%;padding:.5rem 1.25rem;font-family:inherit;font-size:.9rem;transition:background .1s,color .1s;display:flex}.settings-shell__rail-btn:hover{background:var(--surface-sunken);color:var(--text-primary)}.settings-shell__rail-btn[aria-current=page]{border-left-color:var(--text-accent);color:var(--text-accent);background:color-mix(in srgb, var(--text-accent) 6%, transparent);font-weight:500}.settings-shell__rail-btn:focus-visible{outline:2px solid var(--text-accent);outline-offset:-2px}.settings-shell__tab-strip{border-bottom:1px solid var(--line-hairline);-webkit-overflow-scrolling:touch;scrollbar-width:none;flex-shrink:0;display:none;overflow-x:auto}.settings-shell__tab-strip::-webkit-scrollbar{display:none}.settings-shell__tab-strip nav{white-space:nowrap;display:flex}.settings-shell__tab{min-height:var(--target-min);color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-bottom:3px solid #0000;flex-shrink:0;justify-content:center;align-items:center;padding:.5rem 1rem;font-family:inherit;font-size:.875rem;transition:color .1s;display:flex}.settings-shell__tab:hover{color:var(--text-primary)}.settings-shell__tab[aria-current=page]{border-bottom-color:var(--text-accent);color:var(--text-accent);font-weight:500}.settings-shell__tab:focus-visible{outline:2px solid var(--text-accent);outline-offset:-2px}.settings-shell__nav-label{align-items:center;gap:.4rem;display:flex}.settings-shell__pane{flex:1;min-width:0;padding:1.5rem;overflow-y:auto}@media (width<=639px){.settings-shell{align-items:stretch;padding:0}.settings-shell__dialog{border:0;border-radius:0;width:100%;height:100%}.settings-shell__header{padding:.75rem 1rem}.settings-shell__body{flex-direction:column}.settings-shell__rail{display:none}.settings-shell__tab-strip{display:block}.settings-shell__pane{padding:1rem}}@media (prefers-reduced-motion:reduce){.settings-shell__close,.settings-shell__rail-btn,.settings-shell__tab{transition:none}}.settings-section{margin-bottom:1.5rem}.settings-section__header{border-bottom:1px solid var(--line-hairline);justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:.75rem;padding-bottom:.4rem;display:flex}.settings-section__heading{font-family:var(--font-body);color:var(--text-accent);margin:0;font-size:1rem;font-style:italic;font-weight:500}.settings-section__save-status{flex-shrink:0;font-size:.8rem}.settings-section__save-status--saved{color:var(--status-success)}.settings-section__save-status--saving{color:var(--text-secondary)}.settings-section__save-status--retry,.settings-section__save-status--not-saved{color:var(--color-accent)}.settings-section__save-status--error{color:var(--status-error-text)}button.settings-section__save-status{cursor:pointer;font:inherit;background:0 0;border:none;padding:0;text-decoration:underline}button.settings-section__save-status:hover,button.settings-section__save-status:focus-visible{outline-offset:2px;border-radius:2px;outline:2px solid}.settings-section__loading{min-height:60px;color:var(--text-secondary);align-items:center;gap:.5rem;font-size:.875rem;display:flex}.settings-section__spinner{border:2px solid var(--line-hairline);border-top-color:var(--text-accent);border-radius:50%;flex-shrink:0;width:16px;height:16px;animation:.7s linear infinite settings-spin}@keyframes settings-spin{to{transform:rotate(360deg)}}.settings-section__empty{min-height:60px;color:var(--text-secondary);align-items:center;font-size:.875rem;display:flex}.settings-section__error{color:var(--color-accent);margin-bottom:.75rem;font-size:.875rem}@media (prefers-reduced-motion:reduce){.settings-section__spinner{border-top-color:var(--text-accent);animation:none}}.notif-pref-group{border-top:1px solid var(--line-hairline)}.notif-pref-row{border-bottom:1px solid var(--line-hairline);align-items:flex-start;gap:1rem;padding:.625rem 0;display:flex}.notif-pref-row__meta{flex:1;min-width:0}.notif-pref-row__label{color:var(--text-primary);margin-bottom:.15rem;font-size:.9rem;font-weight:500;display:block}.notif-pref-row--locked .notif-pref-row__label{color:var(--text-secondary)}.notif-pref-row__desc{color:var(--text-secondary);font-size:.8rem;display:block}.notif-pref-row__toggles{flex-shrink:0;align-items:center;gap:1.25rem;padding-top:.125rem;display:flex}.notif-pref-row--locked .notif-pref-row__toggles [role=switch][aria-disabled=true]{opacity:1;cursor:default;pointer-events:none}@keyframes notif-fade-highlight{0%{background-color:#fff3cd}80%{background-color:#fff3cd}to{background-color:#0000}}.notif-pref-highlight{animation:2.5s ease-out forwards notif-fade-highlight}@media (prefers-reduced-motion:reduce){.notif-pref-highlight{background-color:#fff3cd;animation:none}}.settings-subsection-heading{font-family:var(--font-body);color:var(--text-accent);margin-bottom:.75rem;font-size:.95rem;font-style:italic;font-weight:500}.settings-subsection-heading--danger{color:var(--color-accent)}.setting-row{flex-direction:column;margin-bottom:1rem;display:flex}.setting-row__label{color:var(--text-primary);margin-bottom:.2rem;font-size:.9rem;font-weight:500}.setting-row__caption{color:var(--text-secondary);margin:0 0 .35rem;font-size:.8rem}.setting-row__validation{color:var(--color-accent);margin:.2rem 0 0;font-size:.8rem}.danger-zone{border-top:2px solid var(--color-accent);margin-top:1.25rem;padding-top:1rem}.danger-zone__heading{align-items:center;gap:.4rem;margin-bottom:.5rem;display:flex}.danger-zone__note{color:var(--text-secondary);margin:.5rem 0 0;font-size:.875rem}.s-dialog__body{color:var(--text-secondary);margin-bottom:1rem;font-size:.9rem}.s-dialog__error{color:var(--color-accent);margin-bottom:.75rem;font-size:.875rem}.s-dialog__btn{border-radius:var(--radius-md);cursor:pointer;border:1px solid #0000;min-width:72px;padding:.4rem 1rem;font-family:inherit;font-size:.9rem}.s-dialog__btn:focus-visible{outline:2px solid var(--text-accent);outline-offset:2px}.s-dialog__btn:disabled{opacity:.65;cursor:default}.s-dialog__btn--secondary{background:var(--surface-raised);border-color:var(--text-muted);color:var(--text-muted)}.s-dialog__btn--secondary:hover:not(:disabled){background:var(--surface-sunken)}.s-dialog__btn--danger{background:var(--status-error);border-color:var(--status-error);color:var(--text-inverse)}.s-dialog__btn--danger:hover:not(:disabled){filter:brightness(.9)}.viewer-settings-offer__role{font-family:var(--font-ui);font-size:var(--text-sm);color:var(--text-secondary);margin:0 0 var(--space-4)}.viewer-settings-offer__body{color:var(--text-secondary);margin:0}.viewer-settings-offer__actions{align-items:center;gap:var(--space-5);flex-direction:column;flex:1;display:flex}.viewer-settings-offer__back{color:var(--text-accent);cursor:pointer;font-family:var(--font-ui);font-size:var(--text-sm);background:0 0;border:none;padding:0;text-decoration:underline}.viewer-settings-offer__back:hover{color:var(--color-accent-600)}.sign-in-methods__intro{margin:0 0 var(--space-5);font-size:.875rem}.sign-in-methods__list{margin:0;padding:0;list-style:none}.sign-in-methods__row{align-items:center;gap:var(--space-4);padding:var(--space-4) 0;border-bottom:1px solid var(--line-hairline);display:flex}.sign-in-methods__name{flex:1;font-weight:600}.sign-in-methods__message{margin:0 0 var(--space-3);font-size:.875rem}.sign-in-methods__message:empty{margin:0}.sign-in-methods__message--success{color:var(--status-success-text)}.sign-in-methods__message--error{color:var(--status-error-text)}