:root{--hero-title-size:clamp(1.9rem,3.8vw,3.35rem);color-scheme:light;--canvas:#f7f8f5;--surface:#fff;--surface-soft:#edf3ee;--text:#1d3132;--muted:#5d706c;--accent:#14685d;--accent-text:#fff;--border:#dbe4de;--warning-bg:#fff0d8;--warning-text:#85521b;--danger:#a43131;--shadow:0 10px 35px #18362c06;--radius:18px;font-family:Inter,"Segoe UI",system-ui,-apple-system,sans-serif;font-size:100%}
*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}button,a,summary,input,select,textarea{outline-offset:4px}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent)}[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.15}h1{font-size:clamp(2rem,4.4vw,3rem);font-weight:600;letter-spacing:-.055em;margin-bottom:13px}h2{font-size:1.3rem;font-weight:600;letter-spacing:-.025em}h3{font-size:1.2rem;letter-spacing:-.025em}p{margin-bottom:1rem}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:absolute;left:15px;top:-100px;z-index:100;background:var(--surface);padding:12px;border:2px solid var(--accent)}.skip-link:focus{top:10px}
.site-header{border-bottom:1px solid var(--border);background:var(--surface)}.header-inner{max-width:1260px;margin:auto;padding:22px 36px;display:flex;align-items:center;gap:30px}.brand{display:flex;gap:10px;align-items:center;text-decoration:none;color:var(--text);font-size:1.45rem;font-weight:700;letter-spacing:-.065em;white-space:nowrap}.brand-dot{color:var(--accent)}.brand-mark{width:35px;height:35px;border-radius:11px;background:var(--accent);display:grid;place-items:center;flex-shrink:0}.brand-mark>span{width:21px;height:21px;border:1.6px solid var(--accent-text);border-radius:50%;position:relative}.brand-mark>span:before{content:"";position:absolute;left:8px;top:4px;width:5px;height:6px;border-left:2px solid var(--accent-text);border-bottom:2px solid var(--accent-text);border-radius:0 0 0 1px}.main-navigation{display:flex;gap:2px;align-items:center;flex:1;justify-content:center}.main-navigation a{color:var(--muted);text-decoration:none;font-size:.82rem;white-space:nowrap;padding:9px 11px;border-radius:8px}.main-navigation a:hover{color:var(--text);background:var(--canvas)}.main-navigation a.active{color:var(--accent);background:var(--surface-soft)}.menu-toggle{display:none!important}.menu-toggle>span{transform:translateY(-3px)}
.site-main{width:min(1120px,100%);margin:0 auto;padding:48px 32px 20px;min-height:calc(100vh - 210px)}.site-footer{max-width:1192px;margin:40px auto 0;padding:28px 36px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:.77rem}.site-footer>div,.site-footer nav{display:flex;gap:20px;align-items:center;flex-wrap:wrap}.site-footer a{text-decoration:none;color:var(--muted)}.site-footer .footer-brand{font-weight:600;color:var(--text);font-size:.9rem}.site-footer>div{align-items:baseline}
.home-intro{display:flex;justify-content:space-between;align-items:center;gap:48px;margin:20px 0 56px}.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-weight:600;font-size:.68rem;color:var(--accent);margin:0 0 16px}.home-intro h1{font-size:var(--hero-title-size);line-height:1.06;margin-bottom:23px}.accent-dot{color:var(--accent)}.home-description{font-size:1rem;line-height:1.7;color:var(--muted);margin:0}.today-card{width:280px;flex-shrink:0;position:relative;border:1px solid var(--border);border-radius:22px;background:var(--surface);padding:26px;box-shadow:var(--shadow)}.today-top{display:flex;align-items:center;gap:8px;font-size:.73rem;color:var(--muted)}.small-clock{height:15px;width:15px;border:1.5px solid var(--accent);border-radius:50%;position:relative}.small-clock:after{content:"";position:absolute;left:5px;top:2px;width:3px;height:5px;border-left:1px solid var(--accent);border-bottom:1px solid var(--accent)}.today-time{font-size:2.7rem;letter-spacing:-.05em;font-variant-numeric:tabular-nums;line-height:1.2;margin:22px 0 9px;white-space:nowrap}.today-card p{margin:0;font-size:.8rem}.today-card .help-text{font-size:.68rem;margin-top:14px;overflow-wrap:anywhere}
.section-heading{display:flex;justify-content:space-between;gap:15px;align-items:baseline;margin-bottom:20px;flex-wrap:wrap}.section-heading h2{margin:0;font-size:1.05rem}.section-heading .help-text{font-size:.75rem}.tool-directory{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.tool-link{grid-column:span 1;display:flex;flex-direction:column;padding:24px 22px;border:1px solid var(--border);border-radius:var(--radius);text-decoration:none;color:var(--text);background:var(--surface);transition:border-color .15s;min-width:0}.tool-link:nth-last-child(-n+2){grid-column:span 1}.tool-link:hover{border-color:var(--accent)}.tool-symbol{display:grid;place-items:center;width:42px;height:42px;background:var(--surface-soft);border-radius:12px;margin-bottom:24px;color:var(--accent)}.tool-symbol svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}.tool-link h3{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:0 0 14px}.tool-link p{color:var(--muted);font-size:.88rem;line-height:1.6;margin-bottom:27px}.tool-link-action{display:flex;justify-content:space-between;gap:10px;border-top:1px solid var(--border);padding-top:17px;margin-top:auto;font-size:.73rem;color:var(--accent);line-height:1.5}
.tool-page{max-width:100%;margin:0 auto}.page-intro{margin:0 0 30px}.page-intro .eyebrow{margin-bottom:12px}.subtitle{color:var(--muted);font-size:.97rem;line-height:1.6;margin-bottom:0}.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);min-width:0}.tool-card+.tool-card{margin-top:20px}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap}.toolbar h2,.toolbar p{margin-bottom:0}.field{display:flex;flex-direction:column;gap:7px;min-width:0;text-align:left}.field>span,.field>label,.field>small,.field-label{font-size:.78rem;color:var(--muted)}input:not([type=checkbox]):not([type=radio]):not([type=range]),select,textarea{background:var(--surface);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:10px 12px;min-height:44px;max-width:100%;min-width:0}input[type=checkbox],input[type=radio]{accent-color:var(--accent);width:18px;height:18px;flex-shrink:0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.form-grid.three-columns{grid-template-columns:repeat(3,minmax(0,1fr))}.button{display:inline-flex;gap:8px;align-items:center;justify-content:center;min-height:44px;padding:10px 17px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text);font-size:.82rem;font-weight:500;text-decoration:none;line-height:1.4;text-align:center;transition:background .15s;max-width:100%;white-space:normal}.button:hover{background:var(--surface-soft)}.button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-text)}.button.primary:hover{filter:brightness(.95)}.button.ghost{border-color:transparent;background:transparent;color:var(--accent)}.button.ghost:hover{background:var(--surface-soft)}.button.secondary{background:var(--surface)}.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:22px}.segmented{display:flex;gap:4px;flex-wrap:wrap;background:var(--surface-soft);border-radius:10px;padding:4px;width:fit-content;margin-bottom:22px;max-width:100%}.segmented .button{border-color:transparent;background:transparent;color:var(--muted)}.segmented .button[aria-pressed=true],.segmented .active,.segmented .button[aria-current=page]{background:var(--surface);color:var(--text);box-shadow:0 1px 3px #00000008}.help-text{font-size:.79rem;color:var(--muted);line-height:1.6}.status{font-size:.79rem;color:var(--muted);line-height:1.6;margin-top:16px}.status:empty,.error:empty{display:none}.error{color:var(--danger);font-size:.85rem;margin-top:16px}.empty-state{font-size:.85rem;color:var(--muted);padding:20px 0}.inline-check{display:flex;gap:9px;align-items:center;font-size:.83rem;margin:18px 0}.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:6px;font-size:.72rem;color:var(--accent);background:var(--surface-soft)}.result-card{background:var(--surface-soft);border-radius:12px;padding:26px;margin:26px 0 0}.display-number{font-size:clamp(3rem,7vw,5.3rem);line-height:1.1;letter-spacing:-.055em;font-variant-numeric:tabular-nums;margin-bottom:15px;overflow-wrap:anywhere}.display-number small{font-size:1.2rem;letter-spacing:0}.date-result-text{font-size:clamp(1.8rem,5vw,3rem);line-height:1.2;overflow-wrap:anywhere}.section-title{font-size:1rem;font-weight:500}.result-card .eyebrow{margin-bottom:15px}.result-card .help-text{margin-bottom:0}.tool-help{max-width:800px;margin:30px 0;color:var(--muted);font-size:.87rem;line-height:1.8}.tool-help h2{color:var(--text);font-size:1.05rem}.reading-page{max-width:740px;margin:16px auto 40px}.reading-page h2{margin-top:34px;font-size:1.15rem}.reading-page p{color:var(--muted);line-height:1.8;font-size:.94rem}.reading-page>.subtitle{font-size:1.1rem;margin-bottom:40px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);max-width:min(520px,calc(100% - 32px));z-index:100;padding:13px 19px;border:1px solid var(--border);border-radius:12px;background:var(--text);color:var(--canvas);box-shadow:0 8px 25px #0002;font-size:.85rem;text-align:center}.copy-fallback{position:fixed;top:0;left:0;width:1px;height:1px;opacity:.01}details>summary{color:var(--accent);cursor:pointer}kbd{border:1px solid var(--border);padding:2px 5px;border-radius:4px;font-size:.8rem}section:fullscreen,div:fullscreen{background:var(--surface);color:var(--text);overflow:auto}.tool-card:fullscreen{border:0;border-radius:0;width:100%;height:100%}
@media(min-width:1350px){.site-main{padding-top:58px}.home-intro{margin-bottom:60px}}
@media(max-width:1080px){.header-inner{gap:14px;padding-inline:24px}.main-navigation a{padding:9px 7px;font-size:.78rem}.brand{font-size:1.3rem}.home-intro{gap:28px}}
@media(max-width:850px){.header-inner{flex-wrap:wrap;justify-content:space-between;padding:18px 24px;gap:15px}.main-navigation{order:3;flex-basis:100%;justify-content:flex-start;gap:8px}.main-navigation a{font-size:.82rem}.site-main{padding:35px 24px 15px}.home-intro{margin-top:7px;gap:25px}.home-intro h1{font-size:var(--hero-title-size)}.today-card{width:245px;padding:22px}.today-time{font-size:2.25rem}.tool-link{padding:23px 20px}.tool-link-action{font-size:.7rem}.site-footer{padding-inline:24px}}
@media(max-width:640px){.header-inner{padding:16px 20px;gap:12px}.brand{font-size:1.35rem}.brand-mark{height:32px;width:32px}.menu-toggle{display:inline-flex!important;margin-left:auto;padding:6px 8px;font-size:.8rem}.main-navigation{display:none;gap:5px;padding-top:8px}.main-navigation.open{display:flex;flex-wrap:wrap}.main-navigation a{padding:10px;font-size:.85rem}.site-main{padding:32px 20px 10px}.home-intro{display:block;margin-bottom:35px}.home-intro h1{font-size:var(--hero-title-size)}.home-description{font-size:.91rem}.today-card{width:100%;margin-top:27px;padding:19px 21px;display:grid;grid-template-columns:1fr auto;gap:8px 15px;align-items:center;border-radius:14px}.today-top{font-size:.7rem}.today-time{grid-column:2;grid-row:1 / 3;margin:0;font-size:2rem}.today-card .help-text{grid-column:1 / -1;margin-top:2px}.today-card p{font-size:.75rem}.section-heading{gap:8px}.section-heading h2{font-size:1rem}.tool-directory{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tool-link,.tool-link:nth-last-child(-n+2){grid-column:span 1;padding:20px 17px}.tool-link:last-child{grid-column:span 1}.tool-link h3{font-size:1.1rem;margin-bottom:12px}.tool-symbol{margin-bottom:18px}.tool-link p{font-size:.8rem;margin-bottom:20px}.tool-link-action{font-size:.68rem}.tool-card{padding:21px 18px}.form-grid,.form-grid.three-columns{grid-template-columns:1fr;gap:16px}.page-intro{margin-bottom:24px}.subtitle{font-size:.87rem}.tool-card .toolbar{align-items:flex-start}.site-footer{display:block;padding:25px 20px;margin-top:30px}.site-footer>div{margin-bottom:15px;gap:16px}.site-footer nav{gap:16px}.segmented .button{padding:9px 11px;font-size:.79rem}.field input,.field select,.field textarea{font-size:100%}.reading-page h1{font-size:2rem}}
@media(max-width:375px){.header-inner{padding-inline:14px;gap:7px}.brand{font-size:1.15rem}.brand-mark{width:28px;height:28px;border-radius:8px}.menu-toggle{font-size:.75rem}.site-main{padding-inline:15px}.home-intro h1{font-size:var(--hero-title-size)}.tool-directory{grid-template-columns:1fr}.tool-link,.tool-link:last-child,.tool-link:nth-last-child(-n+2){grid-column:span 1}.tool-link p br{display:none}.tool-link p{margin-bottom:15px}.tool-symbol{margin-bottom:14px}.today-card{padding:17px}.today-time{font-size:1.65rem}.today-top{font-size:.65rem}.site-footer{padding-inline:15px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.site-header,.site-footer,.actions,.toolbar button,.toast,.segmented{display:none!important}:root{--hero-title-size:clamp(1.9rem,3.8vw,3.35rem);color-scheme:light;--canvas:#fff;--surface:#fff;--text:#000;--muted:#333;--border:#aaa;--accent:#000}.site-main{width:100%;padding:0}.tool-card{box-shadow:none;border:0}.tool-help{break-inside:avoid}}

/* Keyboard focus, control boundaries, and touch targets retain contrast in light mode. */
.toast:empty{padding:0;border:0;box-shadow:none;opacity:0;pointer-events:none}
.status:empty{display:block;height:0;margin:0;overflow:hidden}
:root{--hero-title-size:clamp(1.9rem,3.8vw,3.35rem);--control-border:#7d9085}
input:not([type=checkbox]):not([type=radio]):not([type=range]),select,textarea{border-color:var(--control-border)}
:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.main-navigation a,.site-footer a{min-height:44px;display:inline-flex;align-items:center}
.main-navigation{justify-content:flex-end;flex-wrap:wrap}
.inline-check{min-height:44px;cursor:pointer}
.confirmation-panel{margin-top:20px;padding:20px;border:2px solid var(--control-border);border-radius:12px}
.confirmation-panel h3{font-size:1.1rem}
.confirmation-panel .actions{margin-top:15px}
@media(max-width:850px){.main-navigation{justify-content:flex-start}}
@media(max-width:375px){.today-card{grid-template-columns:1fr}.today-time{grid-column:1;grid-row:auto;font-size:2.1rem}.today-card .help-text{grid-column:1}}
@media(forced-colors:active){.button,.tool-link,.tool-card,.today-card{border:1px solid CanvasText}.button.primary{background:ButtonFace;color:ButtonText}.brand-mark{border:1px solid CanvasText}.brand-mark>span,.brand-mark>span:before{border-color:CanvasText}:focus-visible{outline:3px solid Highlight}.tool-link:hover{outline:2px solid Highlight}}

.city-directory-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:24px 0}.city-directory-link{padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:12px;text-decoration:none;display:flex;flex-direction:column}.city-directory-link span{color:var(--muted);font-size:.85rem}.time-facts{display:grid;grid-template-columns:minmax(120px,1fr) 2fr;gap:12px}.time-facts dt{font-weight:600}.time-facts dd{margin:0;overflow-wrap:anywhere}.utc-value{overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.account-card{max-width:520px;margin:0 auto}.account-card .field{margin:18px 0}.validation-summary-errors,.field-validation-error{color:var(--danger)}.account-link{white-space:nowrap;font-size:.85rem}.account-card .account-input{width:100%}.account-card .inline-check input[type=checkbox]{width:18px;height:18px;margin:0;flex:0 0 18px}.account-card .inline-check span{min-width:0;line-height:1.5}.city-search-results{max-height:420px;overflow:auto}
:is(#date-calculator,#date-studio) .field>span,:is(#date-calculator,#date-studio) .field>label,:is(#date-calculator,#date-studio) .field-label,:is(#date-calculator,#date-studio) .inline-check,#date-studio legend,#date-studio .date-weekdays label{font-weight:600}

/* Compact loading indicators for live clocks. */
.clock-loading{display:inline-flex;align-items:center;justify-content:center;vertical-align:middle;width:20px;height:20px;letter-spacing:normal}
.clock-loading:before{content:"";display:block;box-sizing:border-box;width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:clock-loading-spin .8s linear infinite}
@keyframes clock-loading-spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.clock-loading:before{animation:none}}
@media(forced-colors:active){.clock-loading:before{border-color:GrayText;border-top-color:CanvasText}}

/* Shared error panels and accessible form feedback. */
.validation-summary-valid,.field-validation-valid{display:none}
.validation-summary-errors,.error:not(:empty){position:relative;padding:16px 18px 16px 48px;border:1px solid #edc5c2;border-radius:12px;background:#fff5f3;color:#872f33;font-size:.85rem;line-height:1.6;overflow-wrap:anywhere;box-shadow:0 3px 12px #872f3305}
.validation-summary-errors{margin:0 0 22px}.validation-summary-errors:before,.error:not(:empty):before{content:"";position:absolute;left:17px;top:18px;width:19px;height:19px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23872f33' stroke-width='1.8' stroke-linecap='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 7v5m0 4h.01'/%3E%3C/svg%3E") center/contain no-repeat}
.validation-title{font-weight:600;margin:0 0 5px}.validation-summary-errors ul{list-style:none;padding:0;margin:0}.validation-summary-errors li+li{margin-top:4px}.validation-summary-errors a{color:inherit;text-decoration:underline;text-underline-offset:3px;display:inline-flex;align-items:center;min-height:24px}.validation-summary-errors:focus{outline:2px solid #a43131;outline-offset:3px}
.field-validation-error{display:block;color:#872f33;font-size:.78rem;line-height:1.5;margin:-10px 0 16px}.input-validation-error,.account-card .account-input[aria-invalid="true"]{border:2px solid #b24b50!important;background:#fffafa!important}.input-validation-error:focus-visible{outline-color:#a43131}
@media(forced-colors:active){.validation-summary-errors,.error:not(:empty){border-color:CanvasText;background:Canvas;color:CanvasText}.input-validation-error,.account-card .account-input[aria-invalid="true"]{border:2px solid Highlight!important;background:Canvas!important}}

/* Keep eight core navigation links on one line at intermediate desktop widths. */
@media(min-width:981px) and (max-width:1280px){.header-inner{gap:12px}.main-navigation{gap:1px}.main-navigation a{font-size:.76rem;padding:8px 7px}}

/* A compact directory keeps all eight tool families easy to scan. */
.home-intro{margin-bottom:38px}
.tool-link h3{font-size:1.08rem;margin-bottom:10px;letter-spacing:-.02em}
.tool-link p{font-size:.88rem;line-height:1.6;margin-bottom:18px}
.tool-link-action{font-size:.78rem;line-height:1.55;padding-top:14px}
.tool-link .tool-symbol{margin-bottom:18px}
@media(min-width:1100px){.tool-directory{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:600px){
 .tool-directory{grid-template-columns:1fr;gap:12px}
 .tool-link,.tool-link:nth-last-child(-n+2){display:grid;grid-template-columns:38px minmax(0,1fr);column-gap:14px;padding:20px}
 .tool-link .tool-symbol{grid-column:1;grid-row:1 / 4;width:38px;height:38px;margin:0}
 .tool-link h3,.tool-link p,.tool-link-action{grid-column:2}
 .tool-link h3{margin:0 0 6px}
 .tool-link p{margin:0 0 12px;font-size:.88rem}
 .tool-link-action{padding-top:10px;font-size:.78rem}
}

/* Contextual links to the reviewed year-calendar editions. */
.planning-feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:32px;border-block:1px solid var(--border);padding:28px 0;margin:0 0 40px}
.planning-feature h2{font-size:1.4rem;line-height:1.25;letter-spacing:-.025em;margin:0 0 12px;text-wrap:balance}
.planning-feature p{color:var(--muted);font-size:.9rem;max-width:60ch;margin:0}
.planning-feature-links{list-style:none;padding:0;margin:0;display:grid;gap:16px;min-width:0}
.planning-feature-links a{font-weight:600;text-decoration-thickness:1px;text-underline-offset:3px;overflow-wrap:anywhere}
.planning-feature-links span{display:block;font-size:.8rem;color:var(--muted);margin-top:3px}
.calendar-app>.planning-feature{margin-top:32px}
.planning-feature-home{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:40px;border-bottom:0}
.planning-feature-home .planning-feature-links{margin-top:20px}
@media(max-width:700px){.planning-feature{grid-template-columns:minmax(0,1fr);gap:22px;padding:24px 0;margin-bottom:32px}}