/* A shared palette keeps every tool comfortable in either layout. */
:root{--surface:#fff;--raised:#fbfdf9;--soft:#eef4e9;--subtle:#f4f7f0;--accent-solid:#0d5546;--accent-ink:#0d5546;--shadow:0 18px 55px #173c2524;color-scheme:light}
:root[data-theme=dark]{--surface:#172822;--raised:#1c3028;--soft:#243c30;--subtle:#20352c;--paper:#101d17;--ink:#e7efe7;--deep:#e0efe5;--muted:#a4b7aa;--line:#354e3e;--mint:#263e30;--green:#9cdbb6;--gold:#d3af69;--accent-solid:#287658;--accent-ink:#a5e3bc;--shadow:0 18px 55px #0006;color-scheme:dark}
body,.header,.panel,.feature-card,.resource-card{transition:background-color .35s,color .35s,border-color .35s}
.theme-toggle{display:flex;align-items:center;gap:8px;flex-shrink:0;border:1px solid var(--line);border-radius:30px;padding:9px 15px;color:var(--green);background:var(--mint);font-size:13px;font-weight:600;transition:transform .3s,background .3s}.theme-toggle>span:first-child{font-size:21px;line-height:1}.theme-toggle:hover{transform:translateY(-2px)}
.header,.panel,.feature-card,.resource-card,.tool-search,.motion-toggle,.icon-button,.button.secondary{background:var(--surface);border-color:var(--line)}
.button{background:var(--accent-solid);border-color:var(--accent-solid);color:#fff}.button:hover{background:#236c51}.button.secondary{color:var(--green);border-color:var(--line)}.text-button{color:var(--muted)}
.brand-mark{background:var(--accent-solid)}
.tool-search input{color:var(--ink)}.tool-link.active,.tool-link:hover{background:var(--mint);border-color:var(--line)}.today{border-color:var(--line)}
.segmented,.keyboard-modes,.direction-switch{background:var(--soft)}.segmented button[aria-pressed=true],.keyboard-modes button[aria-pressed=true],.direction-switch button.selected{background:var(--surface);color:var(--green)}
textarea,.editor-toolbar,.tool-form input:not([type=checkbox]):not([type=range]),.tool-form select,.tool-form textarea,#date-form input,#date-form select{background:var(--raised);color:var(--ink);border-color:var(--line)}.editor,.editor-toolbar{border-color:var(--line)}
.families button,.utility-keys button,.numeral-reference div,.target-grid span{background:var(--soft);color:var(--green);border-color:var(--line)}.families button:hover,.utility-keys button:hover{background:var(--mint)}.families button[aria-pressed=true]{background:var(--accent-solid);color:#fff}.letter-keys button{background:var(--surface);color:var(--green);border-color:var(--line)}
.alphabet-table tr:nth-child(even){background:var(--raised)}.alphabet-table td{border-color:var(--line)}.alphabet-table button:hover{background:var(--mint)}.rounded-reference{margin-bottom:10px}.alphabet-table button{font-size:24px}.alphabet-table td:has(>button){color:var(--green)}
.result-surface,.metric,.drop-zone{background:var(--raised);border-color:var(--line)}.data-table tr.active-band{background:var(--soft)}.drop-zone.dragging{background:var(--mint)}.birthday-line{background:var(--soft);border-color:var(--line)}.birthday-line strong{color:var(--gold)}
.answer-options button{background:var(--surface);border-color:var(--line);color:var(--ink)}.answer-options button>span{background:var(--soft);color:var(--muted)}.answer-options button:hover:enabled{background:var(--mint)}[data-theme=dark] .answer-options button.correct{background:#264e32;border-color:#6eaa7b}[data-theme=dark] .answer-options button.incorrect{background:#513431;border-color:#b88780}
.pill{border-color:var(--line)}.amber{background:var(--soft);color:var(--gold)}.green{background:var(--mint);color:var(--green)}[data-theme=dark] .rose{background:#443236;color:#dfb9bd}.game-progress,.year-track{background:var(--soft)}#toast{background:var(--accent-solid);color:#fff}.error-message{color:#b44034}[data-theme=dark] .error-message{color:#ffa89d}
.ethiopic-card{background:linear-gradient(135deg,#0e5546,#176951);color:#fff}.gregorian-card{background:var(--soft);color:var(--deep);border-color:var(--line)}.calendar-bridge{border-color:var(--surface);background:var(--mint);color:var(--green);width:52px;height:52px;font-size:25px;box-shadow:0 0 0 1px var(--line);transition:box-shadow .3s,background .3s}.calendar-bridge:hover{box-shadow:0 0 0 5px var(--mint),0 4px 16px #12523633}.calendar-bridge:active{background:var(--soft)}
.month-topline>div:first-child{min-width:0;flex:1}.month-topline{align-items:flex-start}.month-actions{margin-top:26px}.month-picker-row{display:grid;grid-template-columns:minmax(0,2fr) minmax(85px,1fr);gap:9px;max-width:410px;margin-top:14px}.month-topline h3{font-size:19px}.month-days button{background:var(--raised);color:var(--ink);position:relative}.month-days button small{color:var(--muted)}.month-days button:hover:enabled{background:var(--mint)}.month-days button[aria-pressed=true]{background:var(--accent-solid);color:#fff}.legend-selected{background:var(--accent-solid)}.legend-holiday,.holiday-dot{background:var(--gold)}.holiday-dot{position:absolute;right:6px;top:6px;width:5px;height:5px;border-radius:50%;box-shadow:0 0 0 2px #bd8b3617}.month-days button.has-holiday{border-color:var(--gold)}.month-days button[aria-pressed=true] .holiday-dot{background:#f6d995}
.holiday-panel{margin-top:22px;padding-top:21px;border-top:1px solid var(--line)}.holiday-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--gold);margin-bottom:12px}.holiday-heading .section-label{margin:0}.holiday-item{width:100%;display:flex;align-items:center;gap:12px;padding:12px;margin-top:8px;background:var(--raised);border:1px solid var(--line);border-radius:11px;color:var(--ink);text-align:left;transition:background .25s,transform .25s}.holiday-item:hover{background:var(--mint);transform:translateX(3px)}.holiday-date{flex-shrink:0;display:grid;place-items:center;background:var(--soft);color:var(--green);border-radius:9px;width:39px;height:42px;font-size:20px}.holiday-item strong{font-size:13px;font-weight:600;line-height:1.6;display:block}.holiday-item strong span{font-weight:400;color:var(--muted)}.holiday-item small{font-size:11px;line-height:1.6;color:var(--muted);display:block}.holiday-star{margin-left:auto;color:var(--gold)}.holiday-note,.holiday-empty{font-size:12px;color:var(--muted);line-height:1.7;margin:13px 0 0}.holiday-note a{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.picker-native{display:none!important}.picker{min-width:0;width:100%}.picker-trigger{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:51px;border:1px solid var(--line);border-radius:11px;padding:11px 13px;background:linear-gradient(145deg,var(--surface),var(--raised));color:var(--ink);font-size:15px;text-align:left;box-shadow:0 2px 3px #153c3205;transition:border-color .25s,box-shadow .25s}.picker-trigger:hover{border-color:var(--green);box-shadow:0 4px 16px #143d3010}.picker-trigger[aria-expanded=true]{border-color:var(--green);box-shadow:0 0 0 3px var(--mint)}.picker-trigger>span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.picker-chevron{color:var(--green);display:grid;place-items:center;background:var(--mint);border-radius:6px;width:23px;height:23px;flex-shrink:0;font-size:19px;transition:transform .25s}.picker-trigger[aria-expanded=true] .picker-chevron{transform:rotate(180deg)}.picker-trigger:disabled{opacity:.5}
.picker-menu{margin:0;inset:auto;position:fixed;border:1px solid var(--line);border-radius:16px;background:var(--surface);color:var(--ink);padding:12px;box-shadow:var(--shadow);overflow:hidden}.picker-menu:popover-open{display:flex;flex-direction:column;animation:picker-in .22s var(--ease)}.picker-menu-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:5px 8px 12px;font-size:14px;font-weight:600;flex-shrink:0}.picker-menu-heading small{font-size:9px;letter-spacing:1.5px;color:var(--muted)}.picker-search{width:100%;min-width:0;padding:10px 12px;border:1px solid var(--line);background:var(--raised);color:var(--ink);border-radius:9px;font-size:14px;margin-bottom:8px;flex-shrink:0}.picker-options{display:grid;grid-template-columns:1fr;gap:3px;overflow:auto;min-height:0;overscroll-behavior:contain;scrollbar-width:thin;padding:3px}.picker-options button{position:relative;display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;background:transparent;color:var(--ink);border:1px solid transparent;border-radius:9px;padding:10px 13px;min-height:41px;text-align:left;font-size:14px;flex-shrink:0}.picker-options button:hover,.picker-options button.option-active{background:var(--mint);color:var(--green)}.picker-options button[aria-selected=true]{background:var(--accent-solid);color:#fff}.picker-options button[aria-selected=true]:after{content:'✓';font-size:14px}.picker-empty{font-size:14px;color:var(--muted);padding:10px}.date-fields,.field-grid.three{grid-template-columns:minmax(72px,1fr) minmax(0,2.6fr) minmax(95px,1.4fr)}.date-group-label{margin-bottom:15px!important}.puzzle-family-field{max-width:440px;margin-bottom:10px}.puzzle-family-field>label{display:block;font-size:14px;font-weight:600;margin-bottom:9px}
.puzzle-board{background:var(--soft);border-color:var(--soft)}.puzzle-tile{background:#155d4b;color:#fff}.puzzle-tile.can-move{background:#297a5d}.puzzle-tile.in-position,.puzzle-board.complete .puzzle-tile{background:linear-gradient(125deg,#195f4c,#287457,#514482,#435c89,#195f4c);background-size:350% 350%;box-shadow:0 3px 0 #164536,0 0 0 1px #b9eccd55,0 5px 14px #17664122;animation:correct-gradient 5s ease infinite}.puzzle-tile.in-position:after{content:'✦';position:absolute;right:9px;top:7px;font-size:13px;color:#ebd394;animation:star-in .45s var(--ease)}.puzzle-board.complete .puzzle-tile{animation:correct-gradient 5s ease infinite,tile-celebrate .6s var(--ease)}
@keyframes correct-gradient{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}@keyframes star-in{from{opacity:0;transform:scale(.3) rotate(-90deg)}to{opacity:1;transform:scale(1) rotate(0)}}@keyframes picker-in{from{opacity:0;transform:translateY(-7px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(max-width:720px){.header-inner{gap:12px;flex-wrap:wrap}.header-inner nav{gap:18px;margin-left:auto}.theme-toggle{padding:8px 11px}.theme-toggle>span:last-child{display:none}.theme-toggle>span:first-child{font-size:21px}.alphabet-table button{font-size:21px}.date-fields,.field-grid.three{grid-template-columns:minmax(68px,.85fr) minmax(0,1.4fr) minmax(86px,1fr);gap:8px}.date-fields>div:nth-child(2),.field-grid.three>div:nth-child(2){grid-row:2;grid-column:1/-1}.date-fields>div:nth-child(3),.field-grid.three>div:nth-child(3){grid-column:2/-1}.picker-trigger{padding:10px;font-size:14px;gap:8px}.month-picker-row{grid-template-columns:1fr}.month-actions{margin-top:25px}.calendar-bridge{width:44px;height:44px;border-width:4px;font-size:22px}.month-topline h3{font-size:17px;line-height:1.6}.holiday-item{padding:10px;gap:9px}.holiday-item strong{font-size:12px}.puzzle-tile.in-position:after{right:7px;top:6px;font-size:11px}.letter-keys{gap:4px}.letter-keys button{font-size:22px}.tool-link{background:var(--surface)}}
@media(max-width:380px){.brand{font-size:21px}.header-inner{padding:12px 15px;gap:9px}.header-inner nav{gap:12px}nav a{font-size:12px}.date-fields,.field-grid.three{grid-template-columns:1fr 1.4fr}.alphabet-table button{font-size:19px}}
@media(max-width:550px){.header-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:7px}.brand{grid-column:1;grid-row:1}.theme-toggle{grid-column:2;grid-row:1;width:40px;height:40px;justify-content:center}.header-inner nav{grid-column:1/-1;grid-row:2;justify-content:center;gap:38px;margin:0}nav a{padding:9px 0;font-size:14px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.reduce-motion *,.reduce-motion *::before,.reduce-motion *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}