:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--app-platform-bg:#fff;--app-platform-fg:#1d1d1f;--app-platform-muted:#1d1d1f8c;--app-platform-border:#1d1d1f1f;--app-platform-active-bg:#1d1d1f14}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--app-platform-bg:#1c1c21;--app-platform-fg:#f5f5f7;--app-platform-muted:#f5f5f78c;--app-platform-border:#f5f5f724;--app-platform-active-bg:#f5f5f724}.app-platform-header{z-index:10;padding-top:env(safe-area-inset-top,0px);background:var(--app-platform-bg);color:var(--app-platform-fg);border-bottom:1px solid var(--app-platform-border);position:sticky;top:0}.app-platform-header-inner{align-items:center;gap:10px;height:44px;padding:0 12px 0 16px;display:flex}.app-platform-brand{color:inherit;flex-shrink:0;font-weight:600;text-decoration:none}.app-platform-app-name{white-space:nowrap;text-overflow:ellipsis;min-width:0;color:var(--app-platform-muted);flex:1;overflow:hidden}.app-platform-theme{border:1px solid var(--app-platform-border);border-radius:8px;flex-shrink:0;gap:2px;margin-left:auto;padding:2px;display:flex}.app-platform-theme-btn{width:34px;height:26px;color:var(--app-platform-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;place-items:center;padding:0;display:grid}.app-platform-theme-btn[aria-pressed=true]{background:var(--app-platform-active-bg);color:var(--app-platform-fg)}.app-platform-theme-btn:focus-visible{outline:2px solid var(--app-platform-fg);outline-offset:1px}*{box-sizing:border-box}:root{background:var(--app-platform-bg);color:var(--app-platform-fg);font-synthesis:none;font-family:Avenir Next,Helvetica Neue,PingFang SC,sans-serif}body{margin:0}.clock-viewport{flex-direction:column;height:100dvh;display:flex}button,select,input{font:inherit}button,a,select{touch-action:manipulation}button{cursor:pointer;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline-offset:4px;outline:2px solid}button{border:1px solid var(--app-platform-border);background:0 0;border-radius:6px;padding:9px 12px}button:hover{background:var(--app-platform-active-bg)}nav{gap:6px;display:flex}.clock-language{display:flex;position:relative}#clock-language{white-space:nowrap;cursor:pointer;align-items:center;gap:6px;padding:6px;font-size:14px;list-style:none;display:flex}#clock-language::-webkit-details-marker{display:none}.clock-language[open] #clock-language{background:var(--app-platform-active-bg)}#clock-language-options{border:1px solid var(--app-platform-border);background:var(--app-platform-bg);border-radius:6px;width:168px;max-height:min(340px,55dvh);margin:0;padding:4px;font-size:14px;list-style:none;position:absolute;inset-block-start:calc(100% + 8px);inset-inline-end:0;overflow-y:auto}#clock-language-options a{width:100%;min-height:36px;color:inherit;border-radius:4px;justify-content:space-between;align-items:center;padding:6px 10px;text-decoration:none;display:flex}#clock-language-options a:focus-visible{outline-offset:-2px}#clock-language-options a[aria-current=page]{background:var(--app-platform-active-bg)}#clock-language-options a[aria-current=page]:after{content:"✓" / ""}.app-platform-header-inner{height:64px;padding-inline:24px}.app-platform-header{position:relative}.app-platform-app-name{font:inherit;margin:0}#stage{background:var(--app-platform-bg);flex:1;min-height:0;position:relative;overflow:hidden}#stage:not([data-theme]){background:var(--clock-initial-background,var(--app-platform-bg))}canvas{width:100%;height:100%;display:block}.dial-meta{color:var(--app-platform-muted);letter-spacing:.12em;pointer-events:none;justify-content:space-between;font-size:12px;display:flex;position:absolute;bottom:25px;left:32px;right:32px}footer{border-top:1px solid var(--app-platform-border);color:var(--app-platform-muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 15px;padding:18px 24px;font-size:11px;display:flex}footer a{color:inherit;text-underline-offset:.2em}.footer-dot{opacity:.5;margin-inline:10px}.footer-hint{letter-spacing:.06em}dialog{border:1px solid var(--app-platform-border);width:min(650px,100% - 28px);max-height:85dvh;color:inherit;background:var(--app-platform-bg);border-radius:12px;padding:18px;overflow:hidden;box-shadow:0 20px 100px #0002}dialog::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#0005}.panel-heading{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}h2{margin:0;font-size:18px;font-weight:500}.panel-heading button{border:0}#face-options{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}#face-options [data-face]{text-align:left;padding:12px}#face-options [data-face][aria-pressed=true]{background:var(--app-platform-active-bg);border-color:currentColor}.preview{letter-spacing:-2px;place-items:center;height:110px;font-size:30px;display:grid}.text-preview{font-weight:600}.analog-preview{border:1px solid var(--app-platform-border);border-radius:50%;width:90px;height:90px;margin:10px auto;font-size:60px}.pixel-preview{text-shadow:2px 0;font-family:monospace;font-weight:900}strong,small{display:block}strong{margin:14px 0 8px;font-size:12px;font-weight:500}small,.panel-note{color:var(--app-platform-muted);font-size:11px}.panel-note{margin:24px 0 0}#preferences label,#clock-preferences label{border-bottom:1px solid var(--app-platform-border);justify-content:space-between;align-items:center;gap:20px;padding:15px 0;font-size:14px;display:flex}select{background:var(--app-platform-bg);max-width:60%;color:inherit;border:1px solid var(--app-platform-border);border-radius:4px;padding:7px}input{accent-color:var(--app-platform-fg)}#reset{margin-top:20px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}#exit{background:var(--app-platform-bg);opacity:.65;transition:opacity .2s;position:absolute;top:18px;right:18px}#exit:hover,#exit:focus-visible{opacity:1}body.immersive header,body.immersive footer,body.immersive .clock-guide{display:none}#notice{background:var(--app-platform-fg);color:var(--app-platform-bg);border-radius:8px;padding:12px 20px;font-size:13px;position:fixed;bottom:65px;left:50%;transform:translate(-50%)}[hidden]{display:none!important}@media (width<=900px){nav button span{display:none}}@media (width<=600px){.app-platform-header-inner{flex-wrap:wrap;gap:6px;height:auto;min-height:60px;padding-block:10px;padding-inline:12px}.app-platform-brand{font-size:14px}.app-platform-app-name{font-size:12px}nav button{padding:7px 9px;font-size:14px}.app-platform-theme-btn{width:25px}footer{padding:14px 16px}.footer-hint{display:none}.dial-meta{letter-spacing:0;font-size:10px;left:18px;right:18px}#face-options{grid-template-columns:1fr}#face-options [data-face]{grid-template-columns:100px 1fr;align-items:center;column-gap:15px;display:grid}.preview{grid-row:span 2;height:65px;font-size:24px}.analog-preview{width:55px;height:55px;margin:5px auto;font-size:40px}strong{margin:0}small{margin-top:5px}}#stage[data-theme=light]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--app-platform-bg:#fff;--app-platform-fg:#1d1d1f;--app-platform-muted:#1d1d1f8c}#stage[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--app-platform-bg:#1c1c21;--app-platform-fg:#f5f5f7;--app-platform-muted:#f5f5f78c}#stage{color:var(--app-platform-fg)}#stage[data-theme=black]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--app-platform-bg:#000;--app-platform-fg:#f5f5f7;--app-platform-muted:#f5f5f78c}#dial-colors{border:1px solid var(--app-platform-border);border-radius:8px;margin:20px 0;padding:10px 16px}#dial-colors legend{padding-inline:6px;font-size:13px}#dial-colors input[type=color]{border:1px solid var(--app-platform-border);cursor:pointer;background:0 0;border-radius:5px;width:56px;height:34px;padding:3px}.round-preview svg{width:100%;max-width:110px;height:100%}body.immersive.controls-hidden #exit{opacity:0;pointer-events:none}@media (prefers-reduced-motion:reduce){#exit{transition:none}}#zone{margin-left:auto}#panel-scope{margin:-8px 0 24px;line-height:1.6}#panel h3{color:var(--app-platform-muted);margin:24px 0 6px;font-size:12px;font-weight:500}.reset-button{color:var(--app-platform-muted);margin-top:24px;font-size:12px}.face-card{min-width:0;position:relative}#face-options .face-card>[data-face]{width:100%;height:100%;padding-bottom:18px}#font-preview{text-align:center;border:1px solid var(--app-platform-border);border-radius:8px;margin:12px 0 20px;padding:20px 12px;font-size:clamp(24px,6vw,40px)}.flip-preview{font-family:monospace;font-weight:700}.segment-preview{letter-spacing:.08em;font-family:monospace}.rings-preview{font-size:72px;font-weight:200}.words-preview{letter-spacing:.1em;font-size:24px;font-weight:400}.bars-preview{letter-spacing:.1em}.station-preview{font-size:65px}#face-filter-control{align-items:center;gap:16px;margin-bottom:20px;font-size:12px;display:flex}#face-filter{border:1px solid var(--app-platform-border);background:var(--app-platform-bg);min-width:0;color:inherit;border-radius:6px;flex:1;padding:10px}#panel-scroll{overscroll-behavior:contain;scrollbar-gutter:stable;max-height:calc(85dvh - 38px);padding:6px;overflow-y:auto}.glow-control{align-items:center;gap:8px;max-width:60%;display:flex}.glow-control input{min-width:0}.glow-control output{text-align:right;font-variant-numeric:tabular-nums;min-width:4ch}.clock-guide{max-width:960px;margin-inline:auto;padding:clamp(24px,5vw,64px) clamp(16px,4vw,40px);line-height:1.6}.clock-guide>section{margin-block-start:2rem}.clock-guide a{color:inherit;text-underline-offset:.2em}.clock-guide ol{padding-inline-start:1.5em}.clock-guide li+li,.clock-guide dt:not(:first-child){margin-block-start:.75em}.clock-guide dt{font-weight:600}.clock-guide dd{margin-inline-start:0}.clock-content-nav{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 20px;font-size:13px;display:flex}.clock-content-nav a{color:var(--app-platform-muted);padding-block:8px;text-decoration:none}.clock-content-nav a:hover,.clock-content-nav a[aria-current=page]{color:var(--app-platform-fg)}.clock-content-nav a[aria-current=page]{text-underline-offset:7px;text-decoration:underline}.clock-site-footer{flex-direction:column;justify-content:center;gap:16px;padding:28px 20px}.content-header{border-bottom:1px solid var(--app-platform-border);flex-wrap:wrap;align-items:center;gap:16px 28px;padding:18px clamp(16px,4vw,48px);display:flex}.content-header-brand{align-items:center;gap:10px;font-weight:600;display:flex}.content-header-brand a{color:inherit;text-decoration:none}.content-header-brand span{color:var(--app-platform-muted);font-weight:400}.content-header>.clock-content-nav{margin-left:auto}.content-header .clock-language{z-index:20}.content-page{max-width:760px;margin-inline:auto;padding:48px 24px 72px;line-height:1.8}.content-page h1{margin:0 0 28px;font-size:clamp(26px,4vw,36px);font-weight:500;line-height:1.3}.content-page h2{margin-bottom:20px;font-size:21px;font-weight:500}.content-page>section+section{margin-top:44px}.content-page p{margin:12px 0 24px}.guide-steps{padding-left:24px}.guide-steps li{margin-bottom:20px;padding-left:8px}.faq-list{margin:0}.faq-list>div{border-bottom:1px solid var(--app-platform-border);padding:24px 0}.faq-list dt{font-size:18px;font-weight:600}.faq-list dd{margin:12px 0 0}.story-directory{max-width:1120px}.story-group{margin-top:48px}.story-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.story-card{border:1px solid var(--app-platform-border);min-width:0;color:inherit;border-radius:12px;flex-direction:column;text-decoration:none;display:flex;overflow:hidden}.story-card:hover{border-color:var(--app-platform-muted)}.story-preview{color:#343735;background:#f4f3ef;width:100%;height:auto;display:block}.story-card-copy{flex-direction:column;flex:1;padding:20px;display:flex}.story-card h3{margin:0;font-size:17px;font-weight:600}.story-card p{color:var(--app-platform-muted);margin:10px 0 24px;font-size:14px;line-height:1.65}.story-card-action{margin-top:auto;font-size:12px}.face-introduction{max-width:760px;padding:56px 24px 48px;scroll-margin-top:24px;line-height:1.85}.face-introduction h2{font-size:clamp(23px,3vw,28px);line-height:1.4}.face-introduction h3{margin:0 0 14px;font-size:18px;font-weight:600}.face-introduction>section{margin-top:36px}.face-introduction p{margin:12px 0 20px}.introduction-lead{color:var(--app-platform-muted);font-size:18px}.reading-notes{padding-left:22px}.reading-notes li{margin-bottom:16px;padding-left:4px}.berlin-example{color:#343735;background:#f5f4f0;border-radius:12px;margin:20px 0;padding:24px}.berlin-example figcaption{text-align:center;margin-bottom:24px;font:500 30px monospace}.berlin-example-row{grid-template-columns:minmax(0,1fr) minmax(0,2fr);align-items:center;gap:20px;margin-bottom:14px;display:grid}.berlin-example-row span{font-size:13px}.berlin-example-row svg{width:100%;display:block}.berlin-equations{flex-wrap:wrap;justify-content:center;gap:8px 24px;font-family:monospace;display:flex}.berlin-equations p{margin:12px 0 0}.face-introduction-source{border-top:1px solid var(--app-platform-border);color:var(--app-platform-muted);overflow-wrap:anywhere;margin:32px 0;padding-top:22px;font-size:13px}.back-to-clock{padding:10px 0;font-size:14px;display:inline-block}.related-faces{border-top:1px solid var(--app-platform-border);padding-top:24px}.related-faces>div{flex-wrap:wrap;gap:12px;display:flex}.related-faces a{border:1px solid var(--app-platform-border);border-radius:6px;padding:10px 16px;font-size:14px;text-decoration:none}#face-options a[data-face]{color:inherit;font:inherit;border:1px solid var(--app-platform-border);border-radius:8px;padding:12px 12px 18px;text-decoration:none;display:block}body.immersive .clock-site-footer{display:none}@media (width<=850px){.story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.content-header{gap:14px}.content-header>.clock-content-nav{order:3;justify-content:flex-start;width:100%;margin:0}.content-header .clock-language{margin-left:auto}}@media (width<=600px){.story-grid{grid-template-columns:1fr}.content-page{padding:32px 20px 48px}.face-introduction{padding:36px 20px}.berlin-example{padding:20px 16px}.berlin-example-row{grid-template-columns:1fr;gap:5px;margin-bottom:18px}.berlin-equations{flex-direction:column;align-items:center;gap:0}#face-options a[data-face]{display:grid}}#pwa-settings{margin-block:20px}#pwa-settings p{font-size:13px;line-height:1.6}#pwa-settings button,#pwa-update button{color:inherit;cursor:pointer;font:inherit;background:0 0;border:1px solid;border-radius:8px;margin:4px 8px 4px 0;padding:8px 12px;font-size:13px}#pwa-settings button:disabled{opacity:.5;cursor:wait}#pwa-update{z-index:100;inset:auto 16px max(16px, env(safe-area-inset-bottom)) auto;color:#f5f3ed;background:#191919;border:1px solid #777;border-radius:12px;max-width:min(360px,100vw - 32px);padding:16px;position:fixed;box-shadow:0 4px 24px #0004}#pwa-update[hidden],body.immersive #pwa-update{display:none}#pwa-update p{margin:0 0 8px}