:root{--eb-navy:#0f1a3a;--eb-navy-2:#1a2c63;--eb-blue:#2a4bd0;--eb-blue-2:#3f60e8;--eb-ink:#46506b;--eb-mute:#8a90a3;--eb-line:rgba(15,26,58,0.14);--eb-sans:'Inter','Helvetica Neue',Arial,system-ui,sans-serif;--eb-serif:'Fraunces',Georgia,'Times New Roman',serif;--pd-radius:22px}.portada{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;font-family:var(--eb-sans);-webkit-font-smoothing:antialiased}.portada[hidden]{display:none !important}.portada--card{--pd-fg:var(--eb-navy);--pd-fg-mute:var(--eb-ink);--pd-fg-faint:var(--eb-mute);--pd-accent:var(--eb-blue);--pd-accent-2:var(--eb-blue-2);--pd-surface:rgba(255,255,255,0.68);--pd-tile-bg:rgba(15,26,58,0.04);--pd-border:rgba(15,26,58,0.12);--pd-shadow:0 28px 70px rgba(15,26,58,0.16),inset 0 1px 0 rgba(255,255,255,0.6);--pd-mark-filter:none;width:min(94vw,820px);box-sizing:border-box;margin:0 auto;padding:clamp(28px,5vw,48px) clamp(22px,5vw,40px);border-radius:var(--pd-radius);background:var(--pd-surface);border:1px solid var(--pd-border);box-shadow:var(--pd-shadow);-webkit-backdrop-filter:blur(22px) saturate(160%);backdrop-filter:blur(22px) saturate(160%);color:var(--pd-fg);animation:pd-in 0.5s cubic-bezier(0.16,1,0.3,1) both}.portada--overlay{position:absolute;inset:0;z-index:6;overflow:hidden;padding:16px}.portada--scroll{overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;scrollbar-gutter:stable;justify-content:flex-start;padding-block:clamp(16px,4vh,40px)}.portada--scroll>:first-child{margin-top:auto}.portada--scroll>:last-child{margin-bottom:auto}.portada--scroll .portada-panel{max-height:none;overflow-y:visible;flex:0 0 auto}.portada-panel,.portada-book{--pd-fg:#f5f6fa;--pd-fg-mute:rgba(245,246,250,0.72);--pd-fg-faint:rgba(245,246,250,0.46);--pd-accent:#5b7cfa;--pd-accent-2:#7891ff;--pd-surface:rgba(18,22,38,0.55);--pd-tile-bg:rgba(255,255,255,0.05);--pd-border:rgba(255,255,255,0.14);--pd-shadow:0 30px 80px rgba(0,0,0,0.5),inset 0 1px 0 rgba(255,255,255,0.08);--pd-mark-filter:brightness(0) invert(1)}.portada-panel{width:min(92vw,460px);max-width:100%;max-height:100%;box-sizing:border-box;margin:auto;padding:clamp(30px,6vw,44px) clamp(24px,5vw,34px);border-radius:var(--pd-radius);background:var(--pd-surface);border:1px solid var(--pd-border);box-shadow:var(--pd-shadow);-webkit-backdrop-filter:blur(20px) saturate(140%);backdrop-filter:blur(20px) saturate(140%);color:var(--pd-fg);display:flex;flex-direction:column;align-items:center;gap:16px;overflow-y:auto;-webkit-overflow-scrolling:touch;animation:pd-in 0.5s cubic-bezier(0.16,1,0.3,1) both}@media (max-width: 480px){.portada-panel{gap:10px;padding:clamp(22px,6vw,30px) clamp(18px,5vw,26px)}.portada-mark{width:32px}.portada-title{font-size:clamp(1.7rem,9vw,2.4rem)}.portada-sub{font-size:0.9rem}.portada-fine{font-size:0.72rem}}@media (max-height: 840px){.portada-panel{gap:11px;padding-block:clamp(24px,3.4vh,30px)}.portada-fine{margin-top:2px}.portada-board{margin-top:12px;padding-top:11px}.portada-board-rows{max-height:140px}}@media (max-height: 730px){.portada-panel{gap:9px;padding-block:22px}.portada-mark{width:32px}.portada-title{font-size:clamp(1.7rem,5vh,2.6rem)}.portada-board{margin-top:10px;padding-top:9px}.portada-board-rows{max-height:96px}}@keyframes pd-in{from{opacity:0;transform:translateY(8px) scale(0.98)}to{opacity:1;transform:none}}.portada-mark{width:40px;height:auto;filter:var(--pd-mark-filter)}.portada-kicker{margin:0;font-size:0.66rem;letter-spacing:0.36em;text-transform:uppercase;color:var(--pd-accent);font-weight:700}.portada-title{margin:0;font-family:var(--eb-serif);font-weight:500;letter-spacing:-0.01em;line-height:1.02;font-size:clamp(2rem,7vw,3.2rem);color:var(--pd-fg)}.portada-sub{margin:0;max-width:36ch;color:var(--pd-fg-mute);font-size:1rem;line-height:1.5}.portada-fine{margin:6px 0 0;max-width:44ch;color:var(--pd-fg-faint);font-size:0.78rem;line-height:1.5}.portada-fine kbd{font-family:inherit;font-size:0.94em;letter-spacing:0.06em;border:1px solid var(--pd-border);border-radius:5px;padding:0 4px;color:var(--pd-fg-mute);white-space:nowrap}.portada-fine b{color:var(--pd-fg-mute);font-weight:600}.portada-note{margin:2px 0 0;font-size:0.64rem;letter-spacing:0.2em;text-transform:uppercase;color:var(--pd-fg-faint)}.portada-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:6px}.eb-btn{appearance:none;cursor:pointer;font:inherit;font-weight:600;letter-spacing:0.02em;padding:13px 28px;border-radius:999px;border:none;background:var(--pd-btn-bg,var(--eb-navy));color:var(--pd-btn-fg,#fff);box-shadow:var(--pd-btn-shadow,0 10px 24px rgba(15,26,58,0.32)),inset 0 1px 0 rgba(255,255,255,0.16);transition:transform 0.18s cubic-bezier(0.16,1,0.3,1),box-shadow 0.18s,background 0.15s}.eb-btn:hover{background:var(--pd-btn-bg-2,var(--eb-navy-2));transform:translateY(-2px);box-shadow:var(--pd-btn-shadow,0 14px 30px rgba(15,26,58,0.38)),inset 0 1px 0 rgba(255,255,255,0.18)}.eb-btn:active{transform:translateY(0);box-shadow:0 4px 12px rgba(15,26,58,0.3),inset 0 1px 0 rgba(255,255,255,0.14)}.eb-btn--accent{background:var(--eb-blue);box-shadow:0 10px 24px rgba(42,75,208,0.36),inset 0 1px 0 rgba(255,255,255,0.2)}.eb-btn--accent:hover{background:var(--eb-blue-2)}.eb-btn--ghost{background:var(--pd-surface);color:var(--pd-fg);border:1px solid var(--pd-border);box-shadow:none;font-weight:600;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.eb-btn--ghost:hover{border-color:var(--pd-accent);transform:translateY(-2px)}.eb-btn--ghost:active{transform:translateY(0)}.portada-modes{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:2px;width:100%}.portada-mode{display:flex;flex-direction:column;align-items:center;gap:4px;flex:1 1 148px;min-width:140px;padding:16px 18px;cursor:pointer;background:var(--pd-tile-bg);border:1px solid var(--pd-border);border-radius:14px;color:var(--pd-fg);font-family:inherit;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:border-color 0.18s,background 0.18s,transform 0.18s}.portada-mode:hover{border-color:var(--pd-accent);transform:translateY(-2px)}.portada-mode:active{transform:translateY(0)}.portada-mode-name{font-weight:800;letter-spacing:0.24em;text-indent:0.24em;font-size:0.95rem}.portada-mode-info{font-size:0.72rem;color:var(--pd-fg-mute)}.portada-mode-best{font-size:0.64rem;color:var(--pd-fg-faint);letter-spacing:0.08em}.portada-ranked{appearance:none;cursor:pointer;display:inline-flex;align-items:center;gap:8px;margin:0 auto 12px;background:none;border:1px solid var(--pd-border);color:var(--pd-accent);font-family:inherit;font-size:0.6rem;letter-spacing:0.19em;text-transform:uppercase;padding:7px 14px;transition:color 0.2s,border-color 0.2s,opacity 0.2s}.portada-ranked[aria-pressed="false"]{color:var(--pd-fg-faint)}.portada-ranked:hover{border-color:var(--pd-accent)}.portada-ranked[disabled]{opacity:0.45;cursor:default}.portada-ranked[disabled].is-blocked{opacity:1;color:var(--pd-fg);border-color:var(--pd-fg-faint)}.portada-ranked-dot{font-size:0.7rem;line-height:1}.portada-name{appearance:none;cursor:pointer;display:block;margin:0 auto 12px;background:none;border:0;padding:2px 4px;color:var(--pd-fg);font-family:inherit;font-size:0.6rem;letter-spacing:0.17em;text-transform:uppercase;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--pd-fg-faint);transition:color 0.2s,text-decoration-color 0.2s}.portada-name:hover{color:var(--pd-accent);text-decoration-color:var(--pd-accent)}.portada-name[disabled]{cursor:default;color:var(--pd-fg-faint);text-decoration:none}.portada-name[hidden]{display:none}.portada-aux{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:2px}.portada-fs,.portada-help{appearance:none;cursor:pointer;display:inline-flex;align-items:center;gap:8px;margin:2px auto 0;background:none;border:1px solid var(--pd-border);color:var(--pd-fg-faint);font-family:inherit;font-size:0.56rem;letter-spacing:0.19em;text-transform:uppercase;padding:7px 14px;transition:color 0.2s,border-color 0.2s}.portada-fs:hover,.portada-help:hover{color:var(--pd-fg);border-color:var(--pd-accent)}.portada-fs[aria-pressed="true"]{color:var(--pd-accent)}.portada-fs[hidden],.portada-help[hidden]{display:none}.portada-fs-mark{font-size:0.8rem;line-height:1}.portada-aux .portada-fs,.portada-aux .portada-help{margin:0}.portada-version{appearance:none;cursor:pointer;display:flex;align-items:baseline;justify-content:center;gap:9px;margin:12px auto 0;background:none;border:0;padding:2px 4px;font-family:inherit;font-size:0.56rem;letter-spacing:0.2em;text-transform:uppercase;color:var(--pd-fg-faint);transition:color 0.2s}.portada-version:hover{color:var(--pd-fg-mute)}.portada-version-n{color:var(--pd-accent);font-weight:700;font-variant-numeric:tabular-nums}.portada-version-w{text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--pd-border);transition:text-decoration-color 0.2s}.portada-version:hover .portada-version-w{text-decoration-color:var(--pd-accent)}.portada-book{position:absolute;inset:0;z-index:8;display:flex;align-items:center;justify-content:center;padding:16px;background:var(--pd-book-scrim,radial-gradient(120% 120% at 50% 30%,rgba(4,6,12,0.72) 0%,rgba(4,6,12,0.93) 100%));-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);color:var(--pd-fg-mute)}.portada-book[hidden]{display:none}.portada-book-card{width:min(94vw,520px);max-height:100%;box-sizing:border-box;display:flex;flex-direction:column;background:var(--pd-book-bg,var(--pd-surface));border:1px solid var(--pd-border);border-radius:var(--pd-radius);box-shadow:var(--pd-shadow);-webkit-backdrop-filter:blur(20px) saturate(140%);backdrop-filter:blur(20px) saturate(140%);animation:pd-in 0.32s cubic-bezier(0.16,1,0.3,1) both}.portada-book-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 0}.portada-book-kicker{margin:0;font-size:0.56rem;letter-spacing:0.3em;text-transform:uppercase;color:var(--pd-accent);font-weight:700}.portada-book-x{appearance:none;cursor:pointer;background:none;border:1px solid var(--pd-border);color:var(--pd-fg-faint);width:26px;height:26px;border-radius:50%;font-size:0.68rem;font-family:inherit;transition:color 0.2s,border-color 0.2s}.portada-book-x:hover{color:var(--pd-fg);border-color:var(--pd-accent)}.portada-book :focus-visible{outline:2px solid var(--pd-accent);outline-offset:2px}.portada-book-win{overflow:hidden}.portada-book-leaves{display:flex;width:calc(var(--pd-book-n,1) * 100%);transition:transform 0.42s cubic-bezier(0.2,0.8,0.2,1)}.portada-book-leaf{width:calc(100% / var(--pd-book-n,1));flex:0 0 calc(100% / var(--pd-book-n,1));box-sizing:border-box;padding:14px 18px 18px}.portada-book-leaf h3{margin:6px 0 10px;font-size:1.1rem;letter-spacing:0.01em;line-height:1.2;color:var(--pd-fg);font-weight:700}.portada-book-leaf p{margin:0 0 10px;font-size:0.78rem;line-height:1.6}.portada-book-leaf b{color:var(--pd-fg);font-weight:700}.portada-book-leaf p:last-child{margin-bottom:0}.portada-book-steps{margin:0 0 10px;padding:0;list-style:none;counter-reset:pd-step;display:grid;gap:9px;font-size:0.78rem;line-height:1.55}.portada-book-steps li{counter-increment:pd-step;position:relative;padding-left:1.7em}.portada-book-steps li::before{content:counter(pd-step);position:absolute;left:0;top:0.15em;font-size:0.62rem;letter-spacing:0.1em;color:var(--pd-accent);font-variant-numeric:tabular-nums}.portada-book-leaf dl{margin:12px 0 0;display:grid;grid-template-columns:auto 1fr;gap:7px 14px;font-size:0.72rem;line-height:1.5}.portada-book-leaf dt{color:var(--pd-accent);letter-spacing:0.12em;text-transform:uppercase;font-size:0.62rem;padding-top:2px}.portada-book-leaf dd{margin:0}.portada-book-leaf dl + p{margin-top:12px}.portada-book-leaf kbd{font-family:inherit;font-size:0.92em;letter-spacing:0.06em;border:1px solid var(--pd-border);border-radius:5px;padding:1px 5px;color:var(--pd-fg);white-space:nowrap}.portada-book-note{margin-top:12px;padding:11px 13px;border-radius:12px;font-size:0.74rem;line-height:1.6;border:1px solid var(--pd-accent);background:var(--pd-tile-bg);color:var(--pd-fg)}.portada-book-note b{color:var(--pd-accent)}.portada-book-pager{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 18px 16px}.portada-book-btn{appearance:none;cursor:pointer;background:none;border:1px solid var(--pd-border);color:var(--pd-fg-faint);font-family:inherit;font-size:0.58rem;letter-spacing:0.16em;text-transform:uppercase;padding:7px 13px;transition:color 0.2s,border-color 0.2s,opacity 0.2s}.portada-book-btn:hover:not([disabled]){color:var(--pd-fg);border-color:var(--pd-accent)}.portada-book-btn[disabled]{opacity:0.3;cursor:default}.portada-book-dots{display:flex;gap:6px}.portada-book-dot{width:6px;height:6px;border-radius:50%;background:var(--pd-border)}.portada-book-dot.on{background:var(--pd-accent)}.portada-book-log{margin:0;padding:0;list-style:none;display:grid;gap:15px}.portada-book-log>li{padding-left:12px;border-left:1px solid var(--pd-border)}.portada-book-log>li.is-major{border-left-color:var(--pd-accent)}.portada-book-log-h{margin:0 0 5px;display:flex;flex-wrap:wrap;align-items:baseline;gap:9px;font-size:0.6rem;letter-spacing:0.16em;text-transform:uppercase}.portada-book-log-h b{color:var(--pd-accent);font-variant-numeric:tabular-nums}.portada-book-log-h span{color:var(--pd-fg-faint)}.portada-book-log-h em{font-style:normal;letter-spacing:0.1em;color:var(--pd-fg-faint)}.portada-book-log>li.is-major .portada-book-log-h em{color:var(--pd-fg-mute)}.portada-book-log>li>p:last-child{margin:0;font-size:0.76rem;line-height:1.6}.portada-book-ver{margin:16px 0 0;padding-top:14px;border-top:1px solid var(--pd-border);font-size:0.68rem;line-height:1.6;color:var(--pd-fg-faint)}.portada-board{width:100%;margin-top:18px;border-top:1px solid var(--pd-border);padding-top:14px;font-family:inherit;text-align:left}.portada-board-tabs{display:flex;gap:8px;margin-bottom:10px}.portada-board-tab{appearance:none;cursor:pointer;background:none;border:1px solid transparent;color:var(--pd-fg-faint);font-family:inherit;font-size:0.54rem;letter-spacing:0.2em;text-transform:uppercase;padding:5px 9px;border-radius:8px}.portada-board-tab.is-on{color:var(--pd-fg);border-color:var(--pd-border)}.portada-board-rows{list-style:none;margin:0;padding:0;max-height:168px;overflow-y:auto;font-size:0.6rem;letter-spacing:0.08em;color:var(--pd-fg-mute)}.portada-board-rows li{display:grid;grid-template-columns:2.2ch 11px 1fr auto auto;gap:9px;align-items:baseline;padding:3px 0}.portada-board-rows li.portada-board-empty{display:block;color:var(--pd-fg-faint)}.portada-board-rows .is-you{color:var(--pd-fg)}.portada-board-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.portada-board-dev{display:flex;align-items:center;height:0;overflow:visible}.portada-board-score{color:var(--pd-accent)}.portada-board-time{color:var(--pd-fg);font-variant-numeric:tabular-nums}.portada-board-note{margin:10px 0 0;font-size:0.52rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--pd-fg-faint)}.portada-pulse{margin:8px 0 0;font-size:0.58rem;letter-spacing:0.1em;text-transform:lowercase;color:var(--pd-fg-faint)}.portada-pulse[hidden]{display:none}.portada-pulse b{font-weight:600;font-variant-numeric:tabular-nums;color:var(--pd-fg)}@media (prefers-reduced-motion: reduce){.eb-btn,.portada-mode,.portada--card,.portada-panel{transition:none;animation:none}.portada-book-card{animation:none}.portada-book-leaves{transition:none}}