:root{--correct: #6aaa64;--correct-dark: #538d4e;--present: #c9b458;--absent: #787c7e;--tile-empty: #ffffff;--tile-border: #d3d6da;--tile-border-strong: #878a8c;--bg: #fbfbf9;--surface: #ffffff;--surface-2: #f4f5f3;--ink: #1a1a1b;--ink-2: #4b4b4d;--ink-3: #787c7e;--line: #e6e7e8;--accent: #6aaa64;--accent-ink: #2f7d32;--radius: 8px;--radius-sm: 5px;--shadow-soft: 0 1px 2px rgba(0, 0, 0, .05);--maxw: 1140px;--content: 700px;--font: "Helvetica Neue", "Segoe UI", Roboto, Arial, system-ui, sans-serif}:root[data-theme=dark]{--absent: #6e7173;--tile-empty: #1f2023;--tile-border: #3a3a3c;--tile-border-strong: #565758;--bg: #121213;--surface: #1b1b1d;--surface-2: #26272a;--ink: #f5f6f7;--ink-2: #c7c9cb;--ink-3: #9aa0a3;--line: #2c2d30;--accent-ink: #8fd089;--shadow-soft: 0 1px 2px rgba(0, 0, 0, .3)}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--absent: #6e7173;--tile-empty: #1f2023;--tile-border: #3a3a3c;--tile-border-strong: #565758;--bg: #121213;--surface: #1b1b1d;--surface-2: #26272a;--ink: #f5f6f7;--ink-2: #c7c9cb;--ink-3: #9aa0a3;--line: #2c2d30;--accent-ink: #8fd089;--kbd: #565758;--shadow-soft: 0 1px 2px rgba(0, 0, 0, .3)}}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.5}a{color:var(--accent-ink);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.2;margin:0 0 .4em;letter-spacing:-.01em}.icon{width:1em;height:1em;display:inline-block;vertical-align:-.125em;flex:none}.app{min-height:100vh;display:flex;flex-direction:column}.shell{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:24px;padding:22px 20px 56px;width:100%;max-width:var(--maxw);margin:0 auto}.layout .main{min-width:0;max-width:var(--content);margin:0 auto;width:100%}.main>*+*{margin-top:16px}.sidebar{display:flex;flex-direction:column;gap:16px}.sidebar__title{font-size:15px;margin-bottom:10px}.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.site-header__inner{display:flex;align-items:center;gap:24px;height:56px}.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.02em}.brand:hover{text-decoration:none}.brand__tiles{display:inline-flex;gap:3px}.brand__tile{width:18px;height:18px;border-radius:3px;display:inline-block}.nav{display:flex;gap:4px;margin-left:auto;align-items:center}.nav a{color:var(--ink-2);font-weight:600;font-size:14px;padding:7px 11px;border-radius:var(--radius-sm)}.nav a:hover{background:var(--surface-2);text-decoration:none}.nav a.active{color:var(--accent-ink);background:#6aaa641f}.hamburger{display:inline-flex;flex-direction:column;justify-content:center;gap:4px;width:34px;height:34px;margin-left:4px;padding:0 8px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);cursor:pointer;flex:none}.hamburger:hover{background:var(--surface-2)}.hamburger__line{display:block;height:2px;border-radius:1px;background:var(--ink-2)}.site-menu{position:fixed;inset:0;z-index:50;visibility:hidden}.site-menu.open{visibility:visible}.site-menu__backdrop{position:absolute;inset:0;background:#00000073;opacity:0;transition:opacity .18s}.site-menu.open .site-menu__backdrop{opacity:1}.site-menu__drawer{position:absolute;top:0;right:0;height:100%;width:min(300px,85vw);background:var(--surface);border-left:1px solid var(--line);box-shadow:-8px 0 30px #00000026;transform:translate(100%);transition:transform .18s ease-out;display:flex;flex-direction:column}.site-menu.open .site-menu__drawer{transform:translate(0)}.site-menu__head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line)}.site-menu__title{font-weight:800;font-size:15px}.site-menu__close{display:inline-grid;place-items:center;width:30px;height:30px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--ink-3);cursor:pointer}.site-menu__close:hover{background:var(--surface-2);color:var(--ink)}.site-menu__close .icon{width:16px;height:16px}.site-menu__links{padding:10px;overflow-y:auto}.site-menu__links a{display:block;padding:10px 12px;border-radius:var(--radius-sm);color:var(--ink);font-weight:600;font-size:14.5px}.site-menu__links a:hover{background:var(--surface-2);text-decoration:none}.site-menu__links a .icon{width:11px;height:11px;margin-left:6px;color:var(--ink-3)}.site-menu__divider{height:1px;background:var(--line);margin:8px 4px}.theme-toggle{display:inline-grid;place-items:center;width:34px;height:34px;margin-left:4px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink-2);cursor:pointer;flex:none;padding:0}.theme-toggle:hover{background:var(--surface-2)}.theme-toggle .icon{width:17px;height:17px;display:block}.theme-toggle__sun,.theme-toggle__moon{display:none;line-height:0}.theme-toggle__sun{display:block}:root[data-theme=dark] .theme-toggle__sun{display:none}:root[data-theme=dark] .theme-toggle__moon{display:block}@media (prefers-color-scheme: dark){:root:not([data-theme=light]) .theme-toggle__sun{display:none}:root:not([data-theme=light]) .theme-toggle__moon{display:block}}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft);padding:20px}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:11.5px;font-weight:800;color:var(--accent-ink)}.muted{color:var(--ink-3)}.breadcrumbs{font-size:13px;color:var(--ink-3)}.main>.breadcrumbs+*{margin-top:12px}.breadcrumbs a{color:var(--ink-3)}.tiles{display:inline-flex;gap:5px}.tile{width:48px;height:48px;border:2px solid var(--tile-border);border-radius:3px;display:grid;place-items:center;font-weight:800;font-size:24px;text-transform:uppercase;color:var(--ink);background:var(--tile-empty);user-select:none}.tile--filled{border-color:var(--tile-border-strong)}.tile--correct{background:var(--correct);border-color:var(--correct);color:#fff}.tile--present{background:var(--present);border-color:var(--present);color:#fff}.tile--absent{background:var(--absent);border-color:var(--absent);color:#fff}.tile--sm{width:36px;height:36px;font-size:17px}.ladder{display:flex;flex-direction:column;gap:8px}.rung{border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .15s;background:var(--surface)}.rung[open]{border-color:var(--accent)}.rung__btn{width:100%;text-align:left;background:var(--surface);padding:11px 14px;font-weight:700;font-size:14.5px;color:var(--ink);cursor:pointer;display:flex;align-items:center;gap:10px;list-style:none}.rung__btn::-webkit-details-marker{display:none}.rung__btn:hover{background:var(--surface-2)}.rung__num{width:24px;height:24px;border-radius:50%;background:var(--surface-2);display:grid;place-items:center;font-size:12px;font-weight:800;color:var(--ink-2);flex:none}.rung[open] .rung__num{background:var(--accent);color:#fff}.rung__chev{margin-left:auto;color:var(--ink-3);line-height:0;transition:transform .15s}.rung__chev .icon{width:15px;height:15px}.rung[open] .rung__chev{transform:rotate(180deg)}.rung__body{padding:0 14px 13px 48px;color:var(--ink-2);font-size:15px}.spice{display:inline-flex;gap:3px;margin-left:8px;vertical-align:middle}.spice i{width:6px;height:6px;border-radius:50%;background:var(--tile-border);display:inline-block}.spice i.on{background:var(--present)}.spoiler{margin-top:6px;border:2px dashed var(--tile-border);border-radius:var(--radius);padding:22px 20px;text-align:center;background:var(--surface-2)}.spoiler[open]{border-style:solid;border-color:var(--correct);background:#6aaa640f}.spoiler__summary{list-style:none;cursor:pointer}.spoiler__summary::-webkit-details-marker{display:none}.spoiler[open] .spoiler__summary{display:none}.spoiler__reveal{margin:0}.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:var(--radius-sm);padding:10px 18px;font:inherit;font-weight:700;font-size:14.5px;cursor:pointer;background:var(--ink);color:var(--bg);transition:transform .05s,background .15s,filter .15s}.btn:hover{filter:brightness(1.12);text-decoration:none}.btn:active{transform:translateY(1px)}.btn--accent{background:var(--correct);color:#fff}.btn--accent:hover{background:var(--correct-dark);filter:none}.btn--ghost{background:var(--surface);color:var(--ink);border:1px solid var(--tile-border-strong)}.btn--ghost:hover{background:var(--surface-2);filter:none}.btn .icon{width:15px;height:15px}.metarow{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:6px 0 14px}.chip{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line)}.chip--easy{color:var(--accent-ink);background:#6aaa6429;border-color:transparent}.chip--normal{color:#8a6d00;background:#c9b45833;border-color:transparent}.chip--hard{color:#9a3b2f;background:#c95a4629;border-color:transparent}.chip--extreme{color:#fff;background:#9a3b2f;border-color:transparent}:root[data-theme=dark] .chip--normal{color:#e6cf6a}:root[data-theme=dark] .chip--hard{color:#f0998c}.countdown{display:flex;gap:8px}.countdown__unit{background:var(--ink);color:var(--bg);border-radius:var(--radius-sm);padding:7px 10px;min-width:52px;text-align:center}.countdown__num{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}.countdown__label{font-size:10px;text-transform:uppercase;letter-spacing:.06em;opacity:.7}.archive-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.archive-card{display:block;border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px;background:var(--surface);transition:border-color .15s}.archive-card:hover{border-color:var(--accent);text-decoration:none}.archive-card__top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:9px}.archive-card__num{font-weight:800;color:var(--ink)}.archive-card__date{font-size:12px;color:var(--ink-3)}.archive-card__clue{font-size:13.5px;color:var(--ink-2);margin-top:8px}.month-year{margin-top:16px}.month-year__label{font-size:15px;margin-bottom:8px;color:var(--ink)}.month-grid{display:flex;flex-wrap:wrap;gap:8px}.month-pill{display:inline-flex;align-items:baseline;gap:6px;padding:6px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);font-size:13.5px;font-weight:700;color:var(--ink);transition:border-color .15s}.month-pill:hover{border-color:var(--accent);text-decoration:none}.month-pill__count{font-size:11.5px;font-weight:600;color:var(--ink-3)}.cal{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;margin:14px 0 20px;max-width:480px}.cal__wd{text-align:center;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-3);padding:4px 0}.cal__day{display:grid;place-items:center;aspect-ratio:1 / 1;border-radius:var(--radius-sm);font-size:13.5px;font-weight:700;color:var(--ink);background:var(--surface-2);border:1px solid transparent}a.cal__day{background:#6aaa641a;color:var(--accent-ink);border-color:#6aaa6440}a.cal__day:hover{background:var(--correct);border-color:var(--correct);color:#fff;text-decoration:none}.cal__day--today{outline:2px solid var(--correct);outline-offset:1px}.cal__day--off{background:transparent;color:var(--ink-3);font-weight:500}.comments-bar{text-align:center}.comments-bar .btn .icon{width:15px;height:15px}.month-rows{display:flex;flex-direction:column}.month-row{display:flex;align-items:center;gap:10px;padding:8px 4px;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--ink-2)}.month-row:last-child{border-bottom:0}.month-row:hover{text-decoration:none;background:var(--surface-2)}.month-row__date{color:var(--ink-3);min-width:86px;flex:none}.month-row__num{font-weight:700;color:var(--ink);min-width:56px;flex:none}.month-row__clue{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.month-row__chev{margin-left:auto;color:var(--ink-3);line-height:0;flex:none;transform:rotate(-90deg)}.month-row__chev .icon{width:11px;height:11px}.pn-nav{display:flex;justify-content:space-between;gap:12px}.side-recent{display:flex;align-items:center;gap:8px;padding:6px 2px;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--ink-2)}.side-recent:last-child{border-bottom:0}.side-recent:hover{text-decoration:none;color:var(--accent-ink)}.side-recent__num{font-weight:700;color:var(--ink)}.side-recent__date{margin-left:auto;color:var(--ink-3);font-size:12px}.tool-link{display:flex;gap:11px;align-items:flex-start;padding:11px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface)}.tool-link+.tool-link{margin-top:8px}.tool-link:hover{border-color:var(--accent);text-decoration:none}.tool-link__icon{color:var(--accent-ink);line-height:0;margin-top:2px}.tool-link__icon .icon{width:18px;height:18px}.tool-link__title{font-weight:700;font-size:14px;color:var(--ink);display:block}.tool-link__title .icon{width:12px;height:12px;margin-left:4px;color:var(--ink-3)}.tool-link__desc{font-size:12.5px;color:var(--ink-3);display:block}.comment-modal{border:none;border-radius:var(--radius);padding:0;max-width:760px;width:90%;max-height:85vh;background:var(--surface);color:var(--ink);box-shadow:0 25px 50px -12px #00000040}.comment-modal::backdrop{background:#00000080}.comment-modal__content{position:relative;padding:20px;overflow-y:auto;max-height:85vh}.comment-modal__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}.comment-modal__title{font-size:18px;margin:0}.comment-modal__close{background:transparent;border:none;font-size:26px;line-height:1;cursor:pointer;color:var(--ink-3);padding:2px 6px;border-radius:var(--radius-sm)}.comment-modal__close:hover{background:var(--surface-2);color:var(--ink)}#comments-container{min-height:200px}.comment-loading{text-align:center;padding:44px 20px;color:var(--ink-3)}.comment-loading__spinner{width:36px;height:36px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:comment-spin .8s linear infinite;margin:0 auto 12px}@keyframes comment-spin{to{transform:rotate(360deg)}}@media (max-width: 600px){.comment-modal{width:95%;max-height:90vh}.comment-modal__content{padding:14px}}.faq details{border-bottom:1px solid var(--line);padding:12px 0}.faq details:last-child{border-bottom:0;padding-bottom:2px}.faq summary{font-weight:700;font-size:14.5px;cursor:pointer;list-style:none;display:flex;align-items:center;gap:8px}.faq summary::-webkit-details-marker{display:none}.faq__chev{color:var(--accent);line-height:0;transition:transform .15s;flex:none}.faq__chev .icon{width:14px;height:14px}.faq details[open] .faq__chev{transform:rotate(180deg)}.faq p{margin:9px 0 0 22px;color:var(--ink-2);font-size:14.5px}.hero{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;flex-wrap:wrap}.hero h1{font-size:27px}.hero__date{font-size:14.5px;color:var(--ink-3);margin-top:2px}.hero__cd-label{font-size:12px;color:var(--ink-3);margin-bottom:5px;text-align:right}.site-footer{margin-top:auto;background:var(--surface);border-top:1px solid var(--line);padding:30px 0;font-size:13px;color:var(--ink-3)}.footer-cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}.footer-cols h4{font-size:11.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-2);margin:0 0 10px}.footer-cols a{color:var(--ink-3);display:block;padding:2px 0}.disclaimer{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:12px;line-height:1.6}.section-title{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:14px}.prose p,.prose li{color:var(--ink-2)}.prose ul{padding-left:20px}.prose li{margin:5px 0}.notice{font-size:12.5px;color:var(--ink-3);background:var(--surface-2);border-radius:var(--radius-sm);padding:9px 12px;margin-top:12px}@media (max-width: 920px){.layout{grid-template-columns:minmax(0,1fr);gap:20px}}@media (max-width: 640px){.shell{padding:0 14px}.layout{padding:18px 14px 44px}.nav>a{display:none}.archive-grid,.archive-rows{grid-template-columns:minmax(0,1fr)}.hero{gap:12px}.hero__cd-label{text-align:left}.tile{width:44px;height:44px;font-size:21px}}
