:root{--color-brand-primary:#0960A8;--color-brand-primary-contrast:#FFFFFF;--color-brand-secondary:#13367D;--color-brand-secondary-contrast:#FFFFFF;--color-text:#112446;--color-text-contrast:#FFFFFF;--color-text-muted:#313F58;--color-surface:#FFFFFF;--color-surface-contrast:#112446;--color-surface-alt:#F4F7FA;--color-surface-alt-contrast:#112446;--color-border:#CCCCCC;--color-success:#1A7F4B;--color-success-contrast:#FFFFFF;--color-error:#B42318;--color-error-contrast:#FFFFFF;--color-warning:#B45309;--color-warning-contrast:#FFFFFF;--color-accent-1:#007AFF;--color-accent-1-contrast:#FFFFFF;--color-accent-2:#F2B3C1;--color-accent-2-contrast:#112446;--color-accent-3:#DAEEF8;--color-accent-3-contrast:#112446;--font-heading:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-body:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;--weight-heading:300;--weight-body:400;--text-xs:0.75rem;--text-sm:0.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.5rem;--text-5xl:2.75rem;--leading-tight:1.27;--leading-normal:1.5;--leading-loose:1.556;--tracking-heading:0;--space-2xs:5px;--space-xs:10px;--space-sm:15px;--space-md:20px;--space-lg:30px;--space-xl:40px;--space-2xl:50px;--space-3xl:60px;--radius-sm:4px;--radius-md:6px;--radius-lg:10px;--radius-pill:999px;--container-max:1240px;--container-narrow:860px;--container-wide:1360px;--gutter:24px;--button-radius:var(--radius-md);--button-padding-y:10px;--button-padding-x:20px;--button-weight:400;--button-border-width:1px;--button-transform:none;--button-tracking:0;--colorset-default-bg:#FFFFFF;--colorset-default-fg:#112446;--colorset-default-muted:#313F58;--colorset-default-link:#0960A8;--colorset-default-border:rgba(0,0,0,0.1);--colorset-default-accent:#0960A8;--colorset-default-on-accent:#FFFFFF;--colorset-alt-bg:#F4F7FA;--colorset-alt-fg:#112446;--colorset-alt-muted:#313F58;--colorset-alt-link:#0960A8;--colorset-alt-border:rgba(0,0,0,0.1);--colorset-alt-accent:#0960A8;--colorset-alt-on-accent:#FFFFFF;--colorset-tint-bg:#ECF5FA;--colorset-tint-fg:#112446;--colorset-tint-muted:#313F58;--colorset-tint-link:#0960A8;--colorset-tint-border:rgba(0,0,0,0.1);--colorset-tint-accent:#13367D;--colorset-tint-on-accent:#FFFFFF;--colorset-muted-bg:#DAEEF8;--colorset-muted-fg:#112446;--colorset-muted-muted:#313F58;--colorset-muted-link:#0960A8;--colorset-muted-border:rgba(17,36,70,0.16);--colorset-muted-accent:#0960A8;--colorset-muted-on-accent:#FFFFFF;--colorset-brand-bg:#0960A8;--colorset-brand-fg:#FFFFFF;--colorset-brand-muted:#DEEEF7;--colorset-brand-link:#FFFFFF;--colorset-brand-border:rgba(255,255,255,0.4);--colorset-brand-accent:#FFFFFF;--colorset-brand-on-accent:#0960A8;--colorset-brand-secondary-bg:#13367D;--colorset-brand-secondary-fg:#FFFFFF;--colorset-brand-secondary-muted:#DEEEF7;--colorset-brand-secondary-link:#FFFFFF;--colorset-brand-secondary-border:rgba(255,255,255,0.4);--colorset-brand-secondary-accent:#FFFFFF;--colorset-brand-secondary-on-accent:#13367D;--colorset-dark-bg:#002346;--colorset-dark-fg:#FFFFFF;--colorset-dark-muted:#DEEEF7;--colorset-dark-link:#FFFFFF;--colorset-dark-border:rgba(255,255,255,0.14);--colorset-dark-accent:#0960A8;--colorset-dark-on-accent:#FFFFFF}.colorset--default,:root,[data-colorset=default]{--section-bg:var(--colorset-default-bg);--section-fg:var(--colorset-default-fg);--section-muted:var(--colorset-default-muted);--section-link:var(--colorset-default-link);--section-border:var(--colorset-default-border);--section-accent:var(--colorset-default-accent);--section-on-accent:var(--colorset-default-on-accent)}.colorset--alt,.colorset--default,[data-colorset=alt],[data-colorset=default]{background-color:var(--section-bg);color:var(--section-fg)}.colorset--alt,[data-colorset=alt]{--section-bg:var(--colorset-alt-bg);--section-fg:var(--colorset-alt-fg);--section-muted:var(--colorset-alt-muted);--section-link:var(--colorset-alt-link);--section-border:var(--colorset-alt-border);--section-accent:var(--colorset-alt-accent);--section-on-accent:var(--colorset-alt-on-accent)}.colorset--tint,[data-colorset=tint]{--section-bg:var(--colorset-tint-bg);--section-fg:var(--colorset-tint-fg);--section-muted:var(--colorset-tint-muted);--section-link:var(--colorset-tint-link);--section-border:var(--colorset-tint-border);--section-accent:var(--colorset-tint-accent);--section-on-accent:var(--colorset-tint-on-accent);background-color:var(--section-bg);color:var(--section-fg)}.colorset--muted,[data-colorset=muted]{--section-bg:var(--colorset-muted-bg);--section-fg:var(--colorset-muted-fg);--section-muted:var(--colorset-muted-muted);--section-link:var(--colorset-muted-link);--section-border:var(--colorset-muted-border);--section-accent:var(--colorset-muted-accent);--section-on-accent:var(--colorset-muted-on-accent);background-color:var(--section-bg);color:var(--section-fg)}.colorset--brand,[data-colorset=brand]{--section-bg:var(--colorset-brand-bg);--section-fg:var(--colorset-brand-fg);--section-muted:var(--colorset-brand-muted);--section-link:var(--colorset-brand-link);--section-border:var(--colorset-brand-border);--section-accent:var(--colorset-brand-accent);--section-on-accent:var(--colorset-brand-on-accent);background-color:var(--section-bg);color:var(--section-fg)}.colorset--brand-secondary,[data-colorset=brand-secondary]{--section-bg:var(--colorset-brand-secondary-bg);--section-fg:var(--colorset-brand-secondary-fg);--section-muted:var(--colorset-brand-secondary-muted);--section-link:var(--colorset-brand-secondary-link);--section-border:var(--colorset-brand-secondary-border);--section-accent:var(--colorset-brand-secondary-accent);--section-on-accent:var(--colorset-brand-secondary-on-accent);background-color:var(--section-bg);color:var(--section-fg)}.colorset--dark,[data-colorset=dark]{--section-bg:var(--colorset-dark-bg);--section-fg:var(--colorset-dark-fg);--section-muted:var(--colorset-dark-muted);--section-link:var(--colorset-dark-link);--section-border:var(--colorset-dark-border);--section-accent:var(--colorset-dark-accent);--section-on-accent:var(--colorset-dark-on-accent);background-color:var(--section-bg);color:var(--section-fg)}:root{--ub-accent:var(--color-brand-primary);--ub-accent-strong:var(--color-brand-secondary);--ub-navy:var(--color-text);--ub-muted:var(--color-text-muted);--ub-surface:var(--color-surface);--ub-alt:var(--color-surface-alt);--ub-tint:#ECF5FA;--ub-wash:#DAEEF8;--ub-line:rgba(0,0,0,0.1);--ub-stage:#001A33;--ub-stage-1:#002346;--ub-stage-2:#0B2C50;--ub-stage-3:#16395E;--ub-on-dark:#FFFFFF;--ub-on-dark-muted:#DEEEF7;--ub-on-dark-dim:#9FC4E0;--ub-on-dark-icon:#8FC6EC;--ub-stage-line:rgba(255,255,255,0.14);--ub-ok-on-dark:#9FE3B6;--ub-warn-on-dark:#F3C08A;--ub-err-on-dark:#F0A9A2;--ub-shadow-card:0 1px 2px rgba(17,36,70,0.06);--ub-shadow-pop:0 6px 22px rgba(17,36,70,0.22);--ub-shadow-modal:0 18px 50px rgba(17,36,70,0.28)}@keyframes ub-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@keyframes ub-flash{0%{box-shadow:0 0 0 0 rgba(9,96,168,.5)}70%{box-shadow:0 0 0 9px rgba(9,96,168,0)}to{box-shadow:0 0 0 0 rgba(9,96,168,0)}}*,:after,:before{box-sizing:border-box}html{-webkit-text-size-adjust:100%}blockquote,body,dd,dl,figure,h1,h2,h3,h4,h5,h6,p{margin:0}ol[class],ul[class]{margin:0;padding:0;list-style:none}body{text-rendering:optimizeSpeed;font-family:var(--font-body);font-size:var(--text-sm);font-weight:var(--weight-body);line-height:var(--leading-normal);text-wrap:pretty;-webkit-font-smoothing:antialiased}canvas,img,picture,svg,video{display:block;max-width:100%}img,video{height:auto}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;background:none;border:0}table{border-collapse:collapse}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);letter-spacing:var(--tracking-heading);line-height:var(--leading-tight);color:var(--section-fg);text-wrap:balance}a{color:var(--section-link);text-decoration:none;text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--color-brand-secondary);text-decoration:underline}strong{font-weight:500}code{font-family:var(--font-mono);font-size:.92em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:35px;padding:5px var(--space-sm);border:var(--button-border-width) solid var(--section-border);border-radius:var(--button-radius);background-color:var(--section-bg);color:var(--section-fg);font-family:var(--font-body);font-size:var(--text-sm);font-weight:var(--button-weight);line-height:var(--leading-normal);letter-spacing:var(--button-tracking);text-transform:var(--button-transform);text-align:center;white-space:nowrap;cursor:pointer}.btn,.btn:hover{text-decoration:none}.btn:hover{background-color:color-mix(in srgb,var(--section-fg) 6%,var(--section-bg))}.btn:focus-visible{outline:2px solid var(--section-accent);outline-offset:2px}.btn:disabled{opacity:.45;cursor:not-allowed}.btn:disabled:hover{background-color:var(--section-bg)}.btn--primary,.btn-primary{background-color:var(--section-accent);border-color:var(--section-accent);color:var(--section-on-accent)}.btn--primary:hover,.btn-primary:hover{background-color:color-mix(in srgb,var(--section-accent) 86%,var(--section-fg));border-color:color-mix(in srgb,var(--section-accent) 86%,var(--section-fg));color:var(--section-on-accent)}.btn--secondary{background-color:transparent;border-color:var(--section-accent);color:var(--section-accent)}.btn--secondary:hover{background-color:var(--section-accent);color:var(--section-on-accent)}.btn--ghost{background-color:color-mix(in srgb,var(--section-fg) 6%,var(--section-bg));border-color:transparent;color:var(--section-fg)}.btn--ghost:hover{background-color:color-mix(in srgb,var(--section-fg) 12%,var(--section-bg))}.btn--danger,.btn-danger{background-color:transparent;border-color:var(--color-error);color:var(--color-error)}.btn--danger:hover,.btn-danger:hover{background-color:var(--color-error);border-color:var(--color-error);color:var(--color-error-contrast)}.btn--lg{min-height:44px;padding-inline:var(--space-md);font-size:var(--text-base)}.btn--icon{min-height:35px;width:35px;padding:0;flex:none}.btn--full{display:flex;width:100%}@media (prefers-reduced-motion:no-preference){.btn{transition:background-color .2s cubic-bezier(.2,0,.2,1),border-color .2s cubic-bezier(.2,0,.2,1),color .2s cubic-bezier(.2,0,.2,1)}}.ub-icon{flex:none;color:currentColor;fill:none}:root{--app-pad:28px;--app-pad-narrow:16px}body,html{height:100%}body{margin:0;height:100dvh;min-height:0;display:flex;flex-direction:column;overflow:hidden;overscroll-behavior:none;background:var(--color-surface);color:var(--color-text);-webkit-text-size-adjust:100%}::selection{background:var(--ub-wash);color:var(--color-text)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:rgba(17,36,70,.22);border-radius:var(--radius-pill);border:3px solid transparent;background-clip:content-box}.app-header{--ub-avatar-bg:var(--ub-tint);--ub-avatar-fg:var(--color-brand-primary);--ub-logo-accent:var(--color-brand-primary);display:flex;align-items:center;gap:10px;min-height:58px;padding:8px max(14px,env(safe-area-inset-right)) 8px max(16px,env(safe-area-inset-left));border-bottom:1px solid var(--section-border);background:var(--section-bg);z-index:10}.app-header,.app-logo{flex:0 0 auto;color:var(--section-fg)}.app-logo{font-size:var(--text-base);font-weight:600;letter-spacing:-.01em;text-decoration:none;white-space:nowrap}.app-logo:hover{color:var(--section-fg);text-decoration:none}.app-logo span{color:var(--ub-logo-accent)}.app-crumb{flex:0 1 auto;min-width:0;display:flex;align-items:center;gap:7px;font-size:13px;color:var(--section-muted);overflow:hidden;white-space:nowrap}.app-logo,.app-mode-switch,.btn-back{flex:0 0 auto}.app-crumb strong{font-weight:400;color:var(--section-fg)}.app-crumb strong,.app-crumb-book{min-width:0;overflow:hidden;text-overflow:ellipsis}.app-crumb-book{color:var(--section-muted);text-decoration:none}.app-crumb-book:hover{color:var(--section-link);text-decoration:none}.app-crumb-sep{flex:none;opacity:.5}.btn-back{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:6px 8px;border:0;border-radius:var(--radius-md);background:transparent;font-size:13.5px}.btn-back,.btn-back:hover{color:var(--section-fg);text-decoration:none}.btn-back:hover{background:color-mix(in srgb,var(--section-accent) 9%,transparent)}.app-mode-switch{display:flex;gap:2px;padding:3px;border:1px solid var(--section-border);border-radius:var(--radius-pill);background:color-mix(in srgb,var(--section-fg) 4%,var(--section-bg))}.app-mode-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:0;border-radius:var(--radius-pill);padding:5px 11px;font-size:12.5px;color:var(--section-muted);cursor:pointer;white-space:nowrap;transition:background .15s ease,color .15s ease}.app-mode-btn:hover:not(.is-active){background:color-mix(in srgb,var(--section-fg) 7%,transparent);color:var(--section-fg)}.app-mode-btn:focus-visible{outline:2px solid var(--section-accent);outline-offset:1px}.app-mode-btn.is-active{background:var(--section-accent);color:var(--section-on-accent);cursor:default}.app-spacer{flex:1 1 auto;min-width:8px}.app-project-nav{display:flex;align-items:center;gap:4px;min-width:0}.app-admin-btn,.app-nav-arrow,.app-settings-btn{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;min-height:0;padding:0;border:1px solid var(--section-border);border-radius:var(--radius-md);background:transparent;color:var(--section-fg);text-decoration:none}.app-admin-btn:hover,.app-nav-arrow:hover:not(:disabled),.app-settings-btn:hover{background:color-mix(in srgb,var(--section-fg) 6%,transparent);color:var(--section-fg)}.app-admin-btn .app-label,.app-nav-arrow .app-label,.app-settings-btn .app-label{display:none}.app-nav-arrow:disabled{opacity:.4;cursor:default}.app-nav-select{height:32px;max-width:210px;min-width:0;padding:0 8px;border:1px solid var(--section-border);border-radius:var(--radius-md);background:color-mix(in srgb,var(--section-fg) 4%,var(--section-bg));color:var(--section-fg);font-size:12.5px;cursor:pointer}.app-nav-select:hover{border-color:var(--section-accent)}.app-nav-select:focus-visible{outline:2px solid var(--section-accent);outline-offset:1px}.app-nav-select:disabled{opacity:.4;cursor:default}.app-shuffle-btn{border-radius:var(--radius-pill);padding-inline:12px;font-size:12.5px}.app-shuffle-btn.is-active{border-color:var(--section-accent);background:var(--section-accent);color:var(--section-on-accent)}.app-account{padding-left:8px;border-left:1px solid var(--section-border);margin-left:2px}.app-signout-btn{width:30px;height:30px;min-height:0;padding:0;border-color:transparent;background:transparent;color:var(--section-muted)}.app-signout-btn .app-label{display:none}main{flex:1 1 auto;min-height:0;width:100%;max-width:var(--container-wide);align-self:center;display:flex;flex-direction:column;overflow:hidden}body.is-player main{padding:10px max(10px,env(safe-area-inset-right)) max(10px,env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left))}body.is-reel main{max-width:none}body.is-admin,body.is-book,body.is-library,body.is-settings{background:var(--color-surface-alt)}body.is-reel{background:var(--ub-stage)}body.is-reel .app-header{--section-bg:var(--colorset-dark-bg);--section-fg:var(--colorset-dark-fg);--section-muted:var(--colorset-dark-muted);--section-link:var(--colorset-dark-link);--section-border:var(--colorset-dark-border);--section-accent:var(--colorset-dark-accent);--section-on-accent:var(--colorset-dark-on-accent);--ub-avatar-bg:var(--ub-stage-line);--ub-avatar-fg:var(--ub-on-dark);--ub-logo-accent:var(--ub-on-dark-icon)}.home{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;background:var(--color-surface-alt)}.home-tabs{flex:0 0 auto;display:flex;gap:26px;padding:18px var(--app-pad) 0;padding-left:max(var(--app-pad),env(safe-area-inset-left));padding-right:max(var(--app-pad),env(safe-area-inset-right));background:var(--color-surface);border-bottom:1px solid var(--ub-line)}.home-tab{display:inline-flex;align-items:center;gap:7px;background:none;border:0;border-bottom:2px solid transparent;color:var(--color-text-muted);font-size:var(--text-sm);padding:0 0 12px;cursor:pointer;transition:color .15s ease,border-color .15s ease}.home-tab:hover{color:var(--color-text)}.home-tab.is-active{color:var(--color-brand-primary);border-bottom-color:var(--color-brand-primary)}.home-toolbar{flex:0 0 auto;display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:14px var(--app-pad);padding-left:max(var(--app-pad),env(safe-area-inset-left));padding-right:max(var(--app-pad),env(safe-area-inset-right));background:var(--color-surface);border-bottom:1px solid var(--ub-line)}.home-search{flex:1 1 auto;min-width:180px;max-width:380px;height:40px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23313F58' stroke-width='1.7'%3E%3Ccircle cx='11' cy='11' r='6.4'/%3E%3Cpath d='m15.8 15.8 4 4' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat 11px 50% /17px 17px;color:var(--color-text);padding:0 12px 0 34px;font-size:var(--text-sm)}.home-search::placeholder{color:var(--color-text-muted)}.home-search:focus{outline:none;border-color:var(--color-brand-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-brand-primary) 14%,transparent)}.home-toolbar .btn:first-of-type{margin-left:auto}.home-allowance{font-size:var(--text-xs);color:var(--color-text-muted);white-space:nowrap}.home-allowance.is-full{color:var(--color-warning);font-weight:600}.home-add:disabled{opacity:.55;cursor:not-allowed}.home-chips{flex:0 0 auto;display:flex;flex-wrap:wrap;gap:8px;padding:12px var(--app-pad) 0;padding-left:max(var(--app-pad),env(safe-area-inset-left));padding-right:max(var(--app-pad),env(safe-area-inset-right))}.home-chips[hidden]{display:none}.chip{background:var(--color-surface);border:1px solid var(--ub-line);color:var(--color-text);border-radius:var(--radius-pill);padding:6px 14px;font-size:13px;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease}.chip.is-active,.chip:hover{border-color:var(--color-brand-primary)}.chip.is-active{background:var(--color-brand-primary);color:var(--color-brand-primary-contrast)}.home-status{flex:0 0 auto;display:flex;gap:10px;align-items:flex-start;margin:12px var(--app-pad) 0;padding:12px 14px;border:1px solid color-mix(in srgb,var(--color-brand-primary) 25%,transparent);border-radius:var(--radius-md);background:var(--ub-tint);color:var(--color-text);font-size:13px;line-height:1.55}.home-status:empty{display:none}.home-sections{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column;gap:var(--space-lg);padding:16px var(--app-pad) 28px;padding-left:max(var(--app-pad),env(safe-area-inset-left));padding-right:max(var(--app-pad),env(safe-area-inset-right));padding-bottom:max(28px,env(safe-area-inset-bottom))}.home-section-head{margin-bottom:14px}.home-section-title{margin:0;font-size:var(--text-xl);font-weight:500;color:var(--color-text)}.home-section-hint{margin:4px 0 0;font-size:13.5px;color:var(--color-text-muted)}.home-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:18px;gap:18px}.card{background:var(--color-surface);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--ub-shadow-card);display:flex;flex-direction:column;transition:box-shadow .18s ease,transform .18s ease}.card:hover{box-shadow:0 6px 18px rgba(17,36,70,.13);transform:translateY(-2px)}.card-thumb-wrap{position:relative;aspect-ratio:16/9;background:var(--ub-wash)}.card-thumb{width:100%;height:100%;object-fit:cover;display:block;pointer-events:none}.card-thumb-empty{display:grid;place-items:center;background:var(--ub-wash);color:var(--color-brand-secondary);opacity:.55}.card-badge{position:absolute;left:10px;bottom:10px;background:rgba(255,255,255,.92);color:var(--color-text);border:0;border-radius:var(--radius-sm);font-size:11.5px;padding:3px 9px;cursor:pointer}.card-badge.is-empty{color:var(--color-text-muted)}.card-badge:hover{background:var(--color-surface);color:var(--color-brand-primary)}.card-archived,.card-draft{position:absolute;right:10px;top:10px;border:0;border-radius:var(--radius-sm);font-size:11.5px;padding:3px 9px}.card-draft{background:var(--color-warning);color:var(--color-warning-contrast);cursor:pointer}.card-draft:hover{background:color-mix(in srgb,var(--color-warning) 86%,var(--color-text))}.card-archived{background:rgba(255,255,255,.92);color:var(--color-text-muted)}.card-body{flex:1 1 auto;padding:13px 15px 4px}.card-title{display:flex;align-items:flex-start;gap:6px;margin:0;font-size:var(--text-base);font-weight:500;line-height:1.35;color:var(--color-text);overflow:hidden;text-overflow:ellipsis}.card-warn{margin-top:3px;color:var(--color-warning)}.card-byline{margin:5px 0 0;font-size:13px}.card-byline,.card-meta{color:var(--color-text-muted)}.card-meta{display:flex;gap:14px;margin-top:10px;font-size:12.5px}.card-meta span{display:inline-flex;align-items:center;gap:5px}.card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px}.card-tag{background:var(--ub-tint);border-radius:var(--radius-sm);padding:3px 8px;font-size:11.5px;color:var(--color-brand-primary)}.card-actions{display:flex;gap:8px;align-items:center;padding:12px 15px 15px;margin-top:auto}.card-view{flex:1 1 auto}.card-action{flex:0 0 auto}.home-empty{grid-column:1/-1;max-width:420px;margin:52px auto;text-align:center}.home-empty,.home-empty p{color:var(--color-text-muted)}.home-empty p{margin:8px 0 0;font-size:var(--text-sm);line-height:1.6}.home-empty-icon{display:grid;place-items:center;width:64px;height:64px;margin:0 auto 18px;border-radius:var(--radius-pill);background:var(--ub-tint);color:var(--color-brand-primary)}.home-empty-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:20px}.card-draft.is-static,.chip.is-static{cursor:default;pointer-events:none}.card-draft.is-static{position:static;border:1px solid rgba(0,0,0,.14);background:transparent;color:var(--color-text-muted);font-size:11px;padding:2px 7px}.book{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;position:relative;overflow:hidden;background:var(--color-surface-alt)}.book-head{flex:0 0 auto;padding:18px var(--app-pad) 16px;padding-left:max(var(--app-pad),env(safe-area-inset-left));padding-right:max(var(--app-pad),env(safe-area-inset-right));background:var(--color-surface);border-bottom:1px solid var(--ub-line)}.book-headline{display:flex;align-items:flex-start;gap:var(--space-sm)}.book-identity{flex:1 1 auto;min-width:0}.book-title{margin:0;font-size:28px;font-weight:300;line-height:1.2;color:var(--color-text);cursor:text;border-radius:var(--radius-md);overflow-wrap:anywhere}.book-title:hover{color:var(--color-brand-primary)}.book-title:focus-visible{outline:2px solid var(--color-brand-primary);outline-offset:2px}.book-settings-btn{flex:0 0 auto}.book-byline{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;margin:6px 0 0;font-size:13px;color:var(--color-text-muted)}.book-add-description{display:inline-flex;align-items:center;gap:5px;padding:0;border:0;background:none;font-size:13px;color:var(--color-brand-primary);cursor:pointer}.book-add-description:hover{text-decoration:underline;text-underline-offset:3px}.book-add-description:focus-visible{outline:2px solid var(--color-brand-primary);outline-offset:2px;border-radius:var(--radius-sm)}.book-description{margin:8px 0 0;max-width:70ch;font-size:13.5px;line-height:1.55;color:var(--color-text-muted);cursor:text;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.book-description:hover{color:var(--color-text)}.book-description:focus-visible{outline:2px solid var(--color-brand-primary);outline-offset:2px;border-radius:var(--radius-sm)}.book-actions{display:flex;align-items:center;gap:var(--space-xs);flex-wrap:wrap;margin:14px 0 0}.book-reel-cta{display:inline-flex;align-items:stretch;border-radius:var(--radius-md);overflow:hidden;background:var(--color-brand-primary);box-shadow:var(--ub-shadow-card)}.book-reel-play{display:inline-flex;align-items:center;border:0;border-radius:0;padding-inline:var(--space-sm);background:transparent}.book-reel-play,.book-reel-play:hover{color:var(--color-brand-primary-contrast)}.book-reel-play:hover{background:rgba(255,255,255,.14);border-color:transparent}.book-reel-count{padding:1px 8px;border-radius:var(--radius-pill);background:rgba(255,255,255,.22);font-size:11.5px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.book-reel-count,.book-reel-shuffle{color:var(--color-brand-primary-contrast)}.book-reel-shuffle{border:0;border-left:1px solid rgba(255,255,255,.28);border-radius:0;background:transparent;padding-inline:12px;font-size:13px}.book-reel-shuffle:hover{background:rgba(255,255,255,.14);color:var(--color-brand-primary-contrast)}.book-reel-shuffle.is-active,.book-reel-shuffle.is-active:hover{background:var(--color-surface);color:var(--color-brand-primary)}.book-panel{position:absolute;top:0;right:0;bottom:0;z-index:4;display:flex;flex-direction:column;width:min(380px,92vw);background:var(--color-surface);border-left:1px solid var(--ub-line);box-shadow:var(--ub-shadow-modal);padding-right:env(safe-area-inset-right);visibility:hidden;transform:translateX(100%);transition:transform .22s ease,visibility .22s}.book-panel.is-open{visibility:visible;transform:none}.book-scrim{position:absolute;inset:0;z-index:3;background:rgba(17,36,70,.32)}.book-scrim[hidden]{display:none}.book-panel-head{display:flex;align-items:center;gap:var(--space-xs);flex:0 0 auto;padding:14px 16px 12px;border-bottom:1px solid var(--ub-line)}.book-panel-heading{flex:1 1 auto;min-width:0;margin:0;font-size:16px;font-weight:400;color:var(--color-text)}.book-panel-close{flex:0 0 auto;display:grid;place-items:center;width:30px;height:30px;border-radius:var(--radius-md);border:0;background:transparent;color:var(--color-text-muted);cursor:pointer}.book-panel-close:hover{background:var(--ub-tint);color:var(--color-text)}.book-panel-close:focus-visible{outline:2px solid var(--color-brand-primary);outline-offset:1px}.book-panel-body{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:4px 16px max(20px,env(safe-area-inset-bottom))}.book-panel-group{margin:20px 0 10px;font-size:11px;font-weight:500;letter-spacing:.07em;text-transform:uppercase;color:var(--color-text-muted)}.book-field{margin-bottom:12px}.book-field label{display:block;margin-bottom:5px;font-size:12.5px;color:var(--color-text-muted)}.book-field input,.book-field select,.book-field textarea{width:100%;padding:8px 10px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text);font-size:var(--text-sm)}.book-field textarea{resize:vertical;line-height:1.5}.book-field input:focus,.book-field select:focus,.book-field textarea:focus{outline:none;border-color:var(--color-brand-primary);box-shadow:0 0 0 3px var(--ub-tint)}.book-panel-btn{display:flex;width:100%;align-items:flex-start;justify-content:flex-start;gap:var(--space-xs);margin-bottom:8px;padding:10px 12px;min-height:44px;text-align:left;white-space:normal}.book-panel-btn-label{display:flex;flex-direction:column;gap:2px;min-width:0}.book-panel-btn-hint{font-size:11.5px;line-height:1.4;color:var(--color-text-muted)}.book-panel-btn.btn-danger .book-panel-btn-hint{color:inherit;opacity:.75}.book-panel-btn>.ub-icon{margin-top:2px}.book-toc{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;list-style:none;margin:0;padding:14px var(--app-pad) 32px;padding-left:max(var(--app-pad),env(safe-area-inset-left));padding-right:max(var(--app-pad),env(safe-area-inset-right));padding-bottom:max(32px,env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:10px}.toc-row{display:flex;align-items:center;gap:14px;padding:12px;background:var(--color-surface);border:1px solid var(--ub-line);border-radius:var(--radius-lg)}.toc-row:hover{border-color:color-mix(in srgb,var(--color-brand-primary) 35%,transparent)}.toc-row.is-incomplete{border-style:dashed;border-color:color-mix(in srgb,var(--color-warning) 45%,transparent)}.toc-number{flex:0 0 auto;width:26px;text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--color-text-muted)}.toc-thumb-wrap{flex:0 0 auto;width:108px;aspect-ratio:16/9;border-radius:var(--radius-md);overflow:hidden;background:var(--ub-tint)}.toc-thumb{width:100%;height:100%;object-fit:cover;display:block}.toc-thumb-empty{display:grid;place-items:center;color:var(--color-brand-secondary);opacity:.6}.toc-body{flex:1 1 auto;min-width:0}.toc-title-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.toc-title{background:none;border:none;padding:0;font-size:15px;font-weight:500;line-height:1.3;color:var(--color-text);text-align:left;cursor:text}.toc-title:hover{color:var(--color-brand-primary)}.toc-flag{display:inline-flex;align-items:center;gap:5px;font-size:11px;padding:2px 7px;border-radius:var(--radius-sm);background:#FDF3E7;color:var(--color-warning)}.toc-meta{display:flex;flex-wrap:wrap;gap:4px 14px;margin-top:6px;font-size:12.5px;color:var(--color-text-muted)}.toc-meta span{display:inline-flex;align-items:center;gap:5px}.toc-actions{flex:0 0 auto;display:flex;align-items:center;gap:6px}.toc-move{display:flex;flex-direction:column;gap:2px}.toc-arrow{width:26px;height:16px;min-height:0;padding:0;border-radius:0;line-height:1}.toc-move .toc-arrow:first-child{border-radius:var(--radius-sm) var(--radius-sm) 0 0}.toc-move .toc-arrow:last-child{border-radius:0 0 var(--radius-sm) var(--radius-sm)}.toc-actions>.toc-arrow:last-child{width:35px;height:35px;border-radius:var(--radius-md);color:var(--color-error)}.toc-arrow:disabled{opacity:.35;cursor:default}.book-empty{text-align:center;padding:40px 20px;color:var(--color-text-muted)}.book-empty .btn{margin-top:10px}.settings{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;width:100%;align-self:center;background:var(--color-surface-alt)}.settings-head{flex:0 0 auto;width:100%;max-width:880px;margin:0 auto;padding:30px var(--app-pad) 0}.settings-title{margin:0;font-size:34px;font-weight:300;color:var(--color-text)}.settings-sub{margin:10px 0 0;max-width:64ch;color:var(--color-text-muted);font-size:14.5px;line-height:1.65}.settings-body{flex:1 1 auto;min-height:0;width:100%;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding-bottom:max(40px,env(safe-area-inset-bottom))}.settings-section{max-width:880px;margin:26px auto 0;padding:22px var(--app-pad);background:var(--color-surface);border-radius:var(--radius-lg)}.settings-section-title{margin:0;font-size:var(--text-xl);font-weight:500;color:var(--color-text)}.settings-section-hint{margin:7px 0 18px;max-width:62ch;color:var(--color-text-muted);font-size:13.5px;line-height:1.6}.settings-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:14px;gap:14px}.settings-choices{display:flex;flex-wrap:wrap;gap:8px}.settings-choice{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;background:var(--color-surface);border:1px solid var(--ub-line);border-radius:999px;color:var(--color-text);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;cursor:pointer;transition:border-color .15s ease,background .15s ease}.settings-choice:hover{border-color:color-mix(in srgb,var(--color-brand-primary) 45%,transparent)}.settings-choice.is-selected{border-color:var(--color-brand-primary);background:var(--ub-tint)}.settings-choice:focus-within{outline:2px solid var(--color-brand-primary);outline-offset:2px}.settings-radio--chip{width:15px;height:15px;margin:0}.settings-option{display:flex;flex-direction:column;gap:10px;padding:18px;background:var(--color-surface);border:1px solid var(--ub-line);border-radius:var(--radius-lg);cursor:pointer;transition:border-color .15s ease,background .15s ease}.settings-option:hover{border-color:color-mix(in srgb,var(--color-brand-primary) 45%,transparent)}.settings-option.is-selected{border-color:var(--color-brand-primary);background:var(--ub-tint)}.settings-option:focus-within{outline:2px solid var(--color-brand-primary);outline-offset:2px}.settings-option-head{display:flex;align-items:flex-start;gap:11px;flex-wrap:wrap}.settings-radio{flex:0 0 auto;width:18px;height:18px;margin:3px 0 0;accent-color:var(--color-brand-primary);cursor:pointer}.settings-option-icon{display:inline-flex;align-items:center;margin-top:1px;color:var(--color-brand-primary)}.settings-option-name{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}.settings-option-title{font-size:17px;font-weight:500}.settings-option-tagline{color:var(--color-text-muted);font-size:13.5px;margin-top:4px}.settings-badge{flex:0 0 auto;border-radius:var(--radius-sm);padding:3px 9px;font-size:11.5px;white-space:nowrap}.settings-badge.is-default{background:var(--ub-tint);color:var(--color-brand-primary)}.settings-badge.is-warn{background:#FDF3E7;color:var(--color-warning)}.settings-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;font-size:13px;line-height:1.5;color:var(--color-text)}.settings-list li{display:flex;gap:8px;align-items:flex-start}.settings-bullet{flex:0 0 auto;display:inline-flex;margin-top:2px;color:var(--color-success)}.settings-list--cost{margin-top:2px;padding-top:12px;border-top:1px solid var(--ub-line)}.settings-list--cost .settings-bullet{color:var(--color-warning)}.settings-footer{display:flex;align-items:center;gap:14px;flex-wrap:wrap;max-width:880px;margin:18px auto 0;padding:16px var(--app-pad) 4px;border-top:1px solid var(--ub-line)}.settings-status{flex:1 1 auto;min-width:180px;margin:0;display:flex;align-items:center;gap:7px;color:var(--color-success);font-size:13px;opacity:0;transition:opacity .2s ease}.settings-status.is-visible{opacity:1}.admin-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:18px;gap:18px}.admin-field{display:flex;flex-direction:column;gap:6px}.admin-label{color:var(--color-text);font-size:13.5px;font-weight:500}.admin-hint{color:var(--color-text-muted);font-size:12.5px;line-height:1.5}.admin-email,.admin-number{padding:9px 12px;background:var(--color-surface);border:1px solid var(--ub-line);border-radius:var(--radius-md);color:var(--color-text);font:inherit;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.admin-number{max-width:140px}.admin-email:focus-visible,.admin-number:focus-visible{outline:2px solid var(--color-brand-primary);outline-offset:1px}.admin-email:disabled,.admin-number:disabled{opacity:.55}.admin-summary{margin:18px 0 0;padding:12px 14px;background:var(--ub-tint);border-radius:var(--radius-md);color:var(--color-text);font-size:14px;line-height:1.55}.admin-summary.is-muted{background:transparent;color:var(--color-text-muted)}.admin-warning{margin:10px 0 0;max-width:66ch;color:var(--color-text-muted);font-size:13px;line-height:1.6}.admin-actions{display:flex;gap:10px;margin-top:16px}.admin-people{display:flex;flex-direction:column;gap:8px;margin:0 0 20px;padding:0;list-style:none}.admin-person{display:flex;align-items:center;gap:12px;padding:11px 14px;background:var(--color-surface-alt);border:1px solid var(--ub-line);border-radius:var(--radius-md)}.admin-person-icon{display:inline-flex;color:var(--color-text-muted)}.admin-person-name{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1 1 auto}.admin-person-email{color:var(--color-text);font-size:14px;overflow-wrap:anywhere}.admin-person-meta{color:var(--color-text-muted);font-size:12.5px;line-height:1.45}.admin-add{display:flex;flex-direction:column;gap:6px}.admin-add-row{display:flex;flex-wrap:wrap;gap:8px}.admin-add-row .admin-email{flex:1 1 240px;min-width:0}.admin-users-tools{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.admin-search-wrap{position:relative;display:flex;align-items:center;flex:1 1 260px;min-width:0}.admin-search-icon{position:absolute;left:11px;display:inline-flex;color:var(--color-text-muted);pointer-events:none}.admin-search{width:100%;padding-left:34px}.admin-users-note{margin:0 0 10px;color:var(--color-text);font-size:13px}.admin-users-note.is-muted{color:var(--color-text-muted)}.admin-users{display:flex;flex-direction:column;gap:8px;margin:0;padding:0;list-style:none}.admin-user{background:var(--color-surface-alt);border:1px solid var(--ub-line);border-radius:var(--radius-md);overflow:hidden}.admin-user.is-open{background:var(--color-surface);border-color:var(--color-brand-primary)}.admin-user-head{display:flex;align-items:center;gap:12px;width:100%;padding:11px 14px;background:none;border:0;color:inherit;font:inherit;text-align:left;cursor:pointer}.admin-user-head:focus-visible{outline:2px solid var(--color-brand-primary);outline-offset:-2px}.admin-user-avatar{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:30px;height:30px;background:var(--ub-tint);border-radius:50%;color:var(--color-text);font-size:13px;font-weight:600}.admin-user-name{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1 1 auto}.admin-user-email{color:var(--color-text);font-size:14px;overflow-wrap:anywhere}.admin-user-meta{color:var(--color-text-muted);font-size:12.5px;line-height:1.45}.admin-user-badge{flex:0 0 auto;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.admin-user-caret{display:inline-flex;flex:0 0 auto;color:var(--color-text-muted)}.admin-user-body{padding:4px 14px 16px;border-top:1px solid var(--ub-line);margin-top:-1px}.admin-user-usage{margin:14px 0 16px;color:var(--color-text);font-size:13.5px}.admin-user-signature,.admin-user-usage.is-muted{color:var(--color-text-muted)}.admin-user-signature{margin:12px 0 0;font-size:12.5px}.dialog-overlay{position:fixed;inset:0;background:rgba(17,36,70,.42);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.dialog{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--ub-shadow-modal);padding:22px 24px;width:100%;max-width:520px;max-height:100%;overflow-y:auto;overscroll-behavior:contain;display:flex;flex-direction:column;gap:6px;animation:ub-in .16s ease}.dialog h2{margin:0 0 2px;font-size:21px;font-weight:500;color:var(--color-text)}.dialog-lead{margin:0 0 8px;font-size:13.5px;line-height:1.6;color:var(--color-text-muted)}.dialog label{font-size:13px;color:var(--color-text);margin-top:10px}.dialog input[type=search],.dialog input[type=text],.dialog input[type=url],.dialog select{height:44px;padding:0 12px}.dialog input[type=search],.dialog input[type=text],.dialog input[type=url],.dialog select,.dialog textarea{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);font-size:var(--text-sm)}.dialog textarea{width:100%;padding:10px 12px;resize:vertical}.dialog input[type=text]:focus,.dialog input[type=url]:focus,.dialog select:focus,.dialog textarea:focus{outline:none;border-color:var(--color-brand-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-brand-primary) 14%,transparent)}.dialog input[type=file]{color:var(--color-text-muted);font-size:13px}.dialog-tabs{display:flex;gap:2px;width:-moz-fit-content;width:fit-content;background:var(--color-surface-alt);border:1px solid var(--ub-line);border-radius:var(--radius-pill);padding:3px;margin-top:6px}.dialog-tab{display:inline-flex;align-items:center;gap:7px;background:transparent;border:0;border-radius:var(--radius-pill);color:var(--color-text-muted);cursor:pointer;font-size:13px;padding:7px 14px}.dialog-tab:hover{color:var(--color-text)}.dialog-tab.is-active{background:var(--color-brand-primary);color:var(--color-brand-primary-contrast)}.dialog-field{display:flex;flex-direction:column;gap:4px}.dialog-field[hidden]{display:none}.dialog-hint{color:var(--color-text-muted);font-size:12.5px;min-height:16px}.dialog-hint code{font-family:var(--font-mono)}.dialog-hint.is-error{color:var(--color-error)}.dialog-error{display:flex;gap:11px;background:#FCF0EE;border:1px solid color-mix(in srgb,var(--color-error) 25%,transparent);color:var(--color-text);border-radius:var(--radius-md);padding:13px 14px;margin-top:10px;font-size:13.5px;line-height:1.6}.dialog-error[hidden]{display:none}.dialog-progress{height:6px;border-radius:var(--radius-pill);background:var(--color-surface-alt);overflow:hidden;margin-top:10px}.dialog-progress[hidden]{display:none}.dialog-progress-fill{height:100%;width:0;background:var(--color-brand-primary);transition:width .15s linear}.dialog-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-top:20px}.screen-player{flex:1 1 auto;min-height:0;display:flex;flex-direction:column}.screen-player>.pinplayer{flex:1 1 auto;min-height:0}.reel{position:relative;height:100%;background:var(--ub-stage);color:var(--ub-on-dark)}.reel-status{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;margin:0;padding:20px;text-align:center;color:var(--ub-on-dark-muted);pointer-events:none;z-index:2}.reel-status:empty{display:none}.reel-feed{height:100%;overflow-y:scroll;scroll-snap-type:y mandatory;overscroll-behavior:contain;scrollbar-width:none}.reel-feed::-webkit-scrollbar{display:none}.reel-slide{position:relative;height:100%;scroll-snap-align:start;scroll-snap-stop:always;overflow:hidden}.reel-stage{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:var(--ub-stage);cursor:pointer}.reel-video{max-width:100%;max-height:100%;object-fit:contain}.reel-frame{width:100%;height:100%;border:0}.reel-placeholder{position:absolute;inset:0;display:grid;place-items:center;background:var(--ub-stage-2)}.reel-placeholder:before{content:"";position:absolute;inset:0;background:var(--clip-color,var(--color-brand-primary));opacity:.16}.reel-placeholder-label{position:relative;font-size:12.5px;color:var(--ub-on-dark-muted)}.reel-stage.has-media .reel-placeholder{display:none}.reel-play-badge{position:absolute;width:66px;height:66px;border-radius:var(--radius-pill);display:grid;place-items:center;background:rgba(255,255,255,.92);color:var(--colorset-dark-bg);opacity:0;transition:opacity .15s ease;pointer-events:none}.reel-slide.is-paused .reel-play-badge{opacity:1}.reel-counter{position:absolute;top:18px;right:18px;background:rgba(0,26,51,.6);border-radius:var(--radius-pill);padding:4px 12px;font-size:12px;color:var(--ub-on-dark)}.reel-slide--youtube{display:flex;flex-direction:column}.reel-slide--youtube .reel-stage{position:relative;inset:auto;flex:1 1 auto;min-height:0;container-type:size;cursor:default}.reel-slide--youtube .reel-frame{width:min(100cqw,100cqh * 16/9);height:min(100cqh,100cqw * 9/16)}.reel-slide--youtube .reel-play-badge{display:none}.reel-slide--youtube .reel-counter{position:static;align-self:flex-end;margin:8px 14px 0}.reel-swatch{width:14px;height:14px;border-radius:var(--radius-sm);flex:0 0 auto;margin-top:4px;background:var(--clip-color,var(--color-brand-primary))}.reel-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;background:transparent;border:1px solid rgba(255,255,255,.28);border-radius:var(--radius-md);font-size:13px;padding:0 14px;min-height:38px;min-width:38px;cursor:pointer;transition:border-color .15s ease,background .15s ease}.reel-btn,.reel-btn:hover:not(:disabled){color:var(--ub-on-dark);text-decoration:none}.reel-btn:hover:not(:disabled){background:rgba(255,255,255,.08)}.reel-btn:focus-visible{outline:2px solid var(--color-brand-primary);outline-offset:1px}.reel-btn:disabled{opacity:.45;cursor:default}.reel-panel{position:absolute;top:0;right:0;bottom:0;z-index:4;display:flex;flex-direction:column;width:min(360px,86vw);background:var(--colorset-dark-bg);border-left:1px solid var(--ub-stage-line);padding-right:env(safe-area-inset-right);visibility:hidden;transform:translateX(100%);transition:transform .22s ease,visibility .22s}.reel-panel.is-open{visibility:visible;transform:none}.reel-scrim{position:absolute;inset:0;z-index:3;background:rgba(0,10,20,.5)}.reel-panel-head{flex:0 0 auto;padding:16px 16px 12px;border-bottom:1px solid var(--ub-stage-line)}.reel-panel-head,.reel-panel-heading{display:flex;align-items:flex-start;gap:10px}.reel-panel-heading{flex:1 1 auto;min-width:0;margin:0;font-size:17px;font-weight:400;line-height:1.35;color:var(--ub-on-dark)}.reel-panel-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.reel-panel-close{flex:0 0 auto;display:grid;place-items:center;width:30px;height:30px;border-radius:var(--radius-md);border:0;background:transparent;color:var(--ub-on-dark-muted);cursor:pointer}.reel-panel-close:hover{background:rgba(255,255,255,.08);color:var(--ub-on-dark)}.reel-panel-close:focus-visible{outline:2px solid var(--color-brand-primary);outline-offset:1px}.reel-panel-body{flex:1 1 auto;min-height:0;overflow-y:auto;padding:14px 16px max(20px,env(safe-area-inset-bottom))}.reel-facts{margin:0}.reel-fact{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:7px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:13px}.reel-fact dt{flex:0 0 auto;color:var(--ub-on-dark-dim)}.reel-fact dd{margin:0;min-width:0;text-align:right;color:var(--ub-on-dark);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.reel-panel-group{margin:20px 0 9px;font-size:11px;font-weight:500;letter-spacing:.07em;text-transform:uppercase;color:var(--ub-on-dark-dim)}.reel-panel-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:8px;gap:8px}.reel-panel-btn{justify-content:flex-start;gap:9px;padding:0 14px;min-height:40px;text-align:left}.reel-panel-btn[hidden]{display:none}.reel-btn-icon{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:18px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.reel-btn-text{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.app-reel-details{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;border-radius:var(--radius-pill);padding:6px 12px;font-size:12.5px}body.is-reel .app-nav-select{max-width:min(200px,28vw)}.app-reel-details.is-active{background:color-mix(in srgb,var(--section-fg) 12%,transparent);border-color:var(--section-fg)}.app-reel-details:disabled{opacity:.4;cursor:default}@media (prefers-reduced-motion:reduce){.reel-panel{transition:none}}body.is-immersive .app-header,body.is-immersive .reel-counter{display:none}.reel:fullscreen{width:100%;height:100%}.reel:-webkit-full-screen{width:100%;height:100%}.reel-exit{display:none}body.is-immersive .reel-exit{position:absolute;top:max(10px,env(safe-area-inset-top));right:max(10px,env(safe-area-inset-right));z-index:3;display:grid;place-items:center;width:42px;height:42px;padding:0;border:1px solid rgba(255,255,255,.28);border-radius:var(--radius-pill);background:rgba(0,26,51,.6);color:var(--ub-on-dark);line-height:1;cursor:pointer;opacity:.45;transition:opacity .15s ease}body.is-immersive .reel-exit:focus-visible,body.is-immersive .reel-exit:hover{opacity:1}body.is-immersive .reel-exit:focus-visible{outline:2px solid var(--color-brand-primary);outline-offset:2px}body.is-immersive .reel-slide--youtube{padding-top:calc(max(10px, env(safe-area-inset-top)) + 46px)}.reel-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px;text-align:center;color:var(--ub-on-dark-muted)}.reel-empty-icon{display:grid;place-items:center;width:64px;height:64px;border-radius:var(--radius-pill);background:rgba(255,255,255,.08);color:var(--ub-on-dark-icon)}.reel-empty-title{margin:0;font-size:var(--text-xl);font-weight:500;color:var(--ub-on-dark)}.reel-empty p{margin:0;max-width:460px;color:var(--ub-on-dark-muted)}.reel-empty-actions{display:flex;gap:10px;margin-top:8px;flex-wrap:wrap;justify-content:center}.app-icon{display:inline-flex;align-items:center;line-height:1}.app-label{min-width:0}.share-dialog{max-width:560px}.share-form{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}.share-form input[type=email]{flex:1 1 200px;min-width:0;height:44px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);padding:0 12px;font-size:14px}.share-form input[type=email]:disabled{background:var(--color-surface-alt);color:var(--color-text-muted)}.share-heading{margin:18px 0 2px;font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--color-text-muted)}.share-status:empty{display:none}.share-status{font-size:13px;color:var(--color-text-muted);padding:4px 0}.share-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.share-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px 10px;padding:10px 0;border-bottom:1px solid var(--ub-line)}.share-who{flex:1 1 180px}.share-row:last-child{border-bottom:0}.share-who{flex:1 1 auto;min-width:0}.share-email{display:block;font-size:14px;color:var(--color-text);overflow-wrap:anywhere}.share-when{display:block;font-size:12px;color:var(--color-text-muted);margin-top:2px}.share-role-select{flex:0 0 auto;height:44px;min-width:116px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text);padding:0 8px;font-size:13.5px}.share-role-select:disabled{background:var(--color-surface-alt);color:var(--color-text-muted)}.share-row .share-role-select{height:32px;min-width:108px;font-size:12.5px}.share-role,.share-state{flex:0 0 auto;font-size:12px;padding:4px 10px}.share-state.is-accepted{background:color-mix(in srgb,var(--color-success) 14%,transparent);border-color:color-mix(in srgb,var(--color-success) 34%,transparent)}.share-empty,.share-state.is-declined{color:var(--color-text-muted)}.share-empty{padding:12px 0;font-size:13.5px}.share-hint{margin-top:10px}.share-delivery{margin-top:12px;padding:13px 14px;border:1px solid var(--ub-line);border-radius:var(--radius-md);background:var(--color-surface-alt)}.share-delivery[hidden]{display:none}.share-delivery-head{margin:0;font-size:13.5px;line-height:1.6;color:var(--color-text)}.share-link-row{display:flex;gap:8px;margin-top:10px}.share-link{flex:1 1 auto;min-width:0;height:40px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-muted);padding:0 10px;font-size:12.5px;font-family:var(--font-mono)}.share-mailto{margin-top:8px;text-decoration:none}.book-shared-chip{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:4px 11px}.invite{display:flex;justify-content:center;align-items:flex-start;padding:8vh 20px 20px;overflow-y:auto}.invite-card{width:100%;max-width:480px;text-align:center;background:var(--color-surface);border:1px solid var(--ub-line);border-radius:var(--radius-lg);box-shadow:var(--ub-shadow-card);padding:30px 28px 26px}.invite-from{margin:0;font-size:13.5px;color:var(--color-text-muted)}.invite-title{margin:6px 0 10px;font-size:24px;font-weight:500;line-height:1.25;color:var(--color-text)}.invite-lead{margin:0;font-size:14px;line-height:1.65;color:var(--color-text-muted)}.invite-role{display:inline-flex;margin-bottom:12px;font-size:12px;padding:4px 11px}.invite-role.is-editor{background:color-mix(in srgb,var(--color-primary) 12%,transparent);border-color:color-mix(in srgb,var(--color-primary) 40%,transparent);color:var(--color-primary)}.invite-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px}.invite-note{margin:16px 0 0;font-size:12.5px;color:var(--color-text-muted)}.card-shared-badge{position:absolute;top:10px;left:10px;display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:var(--radius-pill);background:rgba(0,26,51,.72);color:var(--ub-on-dark);font-size:11.5px}.card-shared-badge.can-edit{background:var(--color-primary)}.card-shared.is-unavailable{opacity:.62}.card-shared.is-unavailable .card-thumb-wrap{filter:grayscale(1)}.toc-title.is-static{cursor:default;text-align:left}.toc-note{font-size:12.5px;color:var(--color-text-muted);align-self:center}@media (max-width:900px){body.is-player .app-crumb,body.is-reel .app-crumb{display:none}.app-nav-select{flex:1 1 auto}.toc-row{flex-wrap:wrap}.toc-body{flex:1 1 200px}.toc-actions{flex:1 1 100%;justify-content:flex-end}}@media (max-width:720px){:root{--app-pad:var(--app-pad-narrow)}body.is-player main{padding:0 env(safe-area-inset-right) 0 env(safe-area-inset-left)}.app-header{gap:8px;min-height:48px;padding:6px max(10px,env(safe-area-inset-right)) 6px max(10px,env(safe-area-inset-left))}input,select,textarea{font-size:16px}.app-header .app-label,body.is-player .app-logo,body.is-reel .app-logo{display:none}.app-mode-btn{padding:6px 10px}.app-nav-select,.app-project-nav{flex:1 1 auto;min-width:0}.app-nav-select{max-width:none}.app-nav-arrow{display:none}.home-toolbar{gap:8px;padding-block:10px}.home-toolbar .btn .app-label{display:none}.home-tabs{gap:18px;padding-top:14px}.home-tab{font-size:13px}.home-chips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}.home-chips::-webkit-scrollbar{display:none}.chip{flex:0 0 auto}.home-sections{gap:20px}.home-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}.card-body{padding:10px 12px 4px}.card-title{font-size:var(--text-sm)}.card-meta{gap:8px;font-size:11.5px}.card-actions{flex-wrap:wrap;gap:6px;padding:8px 12px 12px}.card-actions .btn{padding-inline:10px;min-width:0}.card-view{flex:1 1 100%}.card-action{flex:1 1}.card-action .app-label{display:none}.book-title{font-size:22px}.book-head{padding-top:14px;padding-bottom:12px}.book-settings-btn .app-label{display:none}.book-settings-btn{width:35px;padding:0}.book-reel-cta{flex:1 1 100%}.book-reel-play{flex:1 1 auto;justify-content:center}.book-actions .btn:not(.book-reel-play):not(.book-reel-shuffle){flex:1 1}.settings-title{font-size:26px}.dialog-overlay{align-items:flex-end;padding:0}.dialog{max-width:none;max-height:92dvh;border-radius:16px 16px 0 0;padding:18px 16px max(18px,env(safe-area-inset-bottom))}.dialog-actions .btn{flex:1 1}.reel-panel{width:min(340px,92vw)}}@media (max-height:480px) and (max-width:900px){.app-header{min-height:0}.app-header,.app-mode-btn,.btn-back{padding-top:4px;padding-bottom:4px}}