.arena{--ar-ink:#202521;--ar-green:#d9f271;--ar-line:#dfe3db;max-width:1220px;margin:auto;color:var(--ar-ink)}
.arena a{color:inherit}.arena button,.arena a.ar-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:650;cursor:pointer;text-decoration:none;border-radius:10px;min-height:44px;padding:11px 17px;border:1px solid var(--ar-line);background:white;color:var(--ar-ink);transition:transform .16s,background .16s,box-shadow .16s}.arena button:hover:not(:disabled),.arena a.ar-btn:hover{background:#f0f4e7;transform:translateY(-1px)}.arena button:disabled{opacity:.5;cursor:default}.arena .ar-primary{background:var(--ar-ink);border-color:var(--ar-ink);color:white}.arena .ar-primary:hover:not(:disabled){background:#394333}.arena .ar-danger{color:#a52e17}.arena .ar-link{border:0;background:transparent;padding:8px 0}.arena :is(button,a,input,textarea,select):focus-visible{outline:3px solid #668600;outline-offset:3px}
.ar-hero{background:#e7efcf;border:1px solid #c8d3b2;border-radius:24px;display:grid;grid-template-columns:1.2fr 1fr;overflow:hidden;position:relative;min-height:320px}.ar-hero-copy{padding:42px 38px;position:relative;z-index:1}.ar-kicker{font:700 12px/1.5 monospace;letter-spacing:2px;text-transform:uppercase;margin:0 0 16px;color:#526030}.ar-hero h1{font-size:clamp(32px,4vw,52px);line-height:1.1;letter-spacing:-2px;margin:0 0 18px}.ar-hero p{line-height:1.8;max-width:490px}.ar-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.ar-stage{display:grid;place-items:center;position:relative;background:radial-gradient(#9cae77 1px,transparent 1px);background-size:8px 8px}.ar-stage>svg{width:100%;max-width:430px;filter:drop-shadow(0 14px 0 #313c1c12)}.ar-live{display:inline-flex;align-items:center;gap:7px;border:1px solid #b4c590;border-radius:30px;padding:5px 10px;background:#f9ffed;font-size:12px;font-weight:650}.ar-live:before{content:'';width:6px;height:6px;border-radius:50%;background:#526d13}
.ar-tabs{display:flex;gap:8px;align-items:center;margin:28px 0 20px;flex-wrap:wrap}.ar-tabs [aria-pressed=true]{background:var(--ar-ink);color:white;border-color:var(--ar-ink)}.ar-tabs .ar-refresh{margin-left:auto}.ar-notice{padding:15px 18px;background:#f7f8f3;border-left:3px solid #879c53;line-height:1.7;margin:18px 0;border-radius:0 10px 10px 0;font-size:13px}.ar-error{border-color:#c9422a;background:#fff0eb;color:#8d2c18}.ar-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.ar-panel,.ar-game{background:white;border:1px solid var(--ar-line);border-radius:16px;padding:26px;min-width:0}.ar-game{position:relative;overflow:hidden;display:flex;flex-direction:column}.ar-game:before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:#d6e9a0}.ar-game h2{font-size:23px;line-height:1.4;margin:19px 0 12px}.ar-game p{line-height:1.75;color:#616b5b}.ar-game-foot{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-top:auto;padding-top:20px}.ar-prize{font-size:24px;font-weight:750;letter-spacing:-.6px}.ar-prize small{font-size:11px;font-weight:500;letter-spacing:0;color:#657058;margin-left:5px}.ar-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;font-size:12px;color:#5b674d}.ar-tag{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--ar-line);border-radius:5px;padding:5px 8px;background:#f8faf4}.ar-tag.official{background:#e7efcf;color:#3b4c18;border-color:#cedcaf}.ar-tag .ui-icon{width:14px;height:14px}.ar-empty{padding:52px 24px;text-align:center;grid-column:1/-1;background:#fafbf7;border:1px dashed #c8d1bc;border-radius:18px}.ar-empty>svg{height:42px;width:42px;color:#71854a}.ar-empty p{line-height:1.8;color:#687261}
.ar-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:24px 0}.ar-heading h2{margin:0;font-size:24px}.ar-templates{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0}.arena .ar-template{display:block;text-align:left;white-space:normal;padding:20px}.ar-template strong{display:block;margin:14px 0 7px;font-size:16px}.ar-template small{font-weight:400;line-height:1.6;color:#646d5c}.ar-form{display:grid;gap:20px}.ar-form label{display:grid;gap:9px;font-size:14px;font-weight:600}.ar-form input:not([type=checkbox]),.ar-form textarea,.ar-form select{font:inherit;font-weight:400;width:100%;min-width:0;border:1px solid #d6ddcc;border-radius:9px;padding:12px 14px;background:white;color:#222b1c}.ar-form textarea{resize:vertical;min-height:120px;line-height:1.8}.ar-form input[type=checkbox]{accent-color:#536c1a;width:19px;height:19px;flex:none}.ar-form .ar-check{display:flex;align-items:flex-start;font-weight:400;line-height:1.6}.ar-form .ar-check input{margin-top:2px}.ar-form .ar-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.ar-form small,.ar-help{color:#68735e;font-size:12px;line-height:1.7}.ar-review{padding:24px;background:#f2f7e5;border:1px solid #c8d7aa;border-radius:14px}.ar-review dl{display:grid;grid-template-columns:1fr 1fr;gap:14px}.ar-review dd{font-weight:700;margin:0}.ar-review dt{font-size:12px;color:#606b54;margin-bottom:5px}
.ar-detail-head{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin:25px 0}.ar-detail-head h1{font-size:34px;margin:12px 0;line-height:1.3}.ar-detail-head .ar-prize{text-align:right;white-space:nowrap}.ar-detail-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,1fr);gap:22px;align-items:start}.ar-stack{display:grid;gap:18px}.ar-text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.85;font-size:14px}.ar-timeline{display:grid;gap:16px;margin:24px 0}.ar-timeline>div{display:grid;grid-template-columns:26px 1fr;gap:9px;font-size:13px;line-height:1.7}.ar-timeline small{display:block;color:#737c69}.ar-timeline .ui-icon{color:#6d8439;margin-top:3px}.ar-submission h3{font-size:20px;margin:8px 0}.ar-submission+.ar-submission{margin-top:15px}.ar-ballot{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:16px}.ar-result{background:#edf6d5;border-color:#a8bd7a}.ar-details>summary{display:flex;align-items:center;gap:9px;cursor:pointer;min-height:42px;font-weight:650;list-style:none}.ar-details>summary::-webkit-details-marker{display:none}.ar-details .ar-form{margin-top:20px}.ar-code{white-space:pre-wrap;overflow-wrap:anywhere;max-height:400px;overflow:auto;background:#f5f6f0;padding:17px;border-radius:8px;font:12px/1.8 monospace}.ar-lock-rule{display:flex;align-items:flex-start;gap:9px}.ar-lock-rule svg{flex:none;margin-top:4px}.ar-source{font-size:12px;color:#697259}.ar-pulse{animation:ar-bob 5s ease-in-out infinite;transform-origin:center}@keyframes ar-bob{50%{transform:translateY(-7px) rotate(2deg)}}
@media(max-width:1000px){.ar-hero-copy{padding:32px 26px}.ar-detail-layout{grid-template-columns:minmax(0,1fr)}.ar-detail-layout>.ar-stack:last-child{grid-row:1}.ar-grid{gap:12px}.ar-panel,.ar-game{padding:21px}.ar-templates{grid-template-columns:1fr}}
@media(max-width:600px){.ar-hero{grid-template-columns:1fr}.ar-stage{min-height:170px;max-height:210px}.ar-stage>svg{height:230px}.ar-hero-copy{padding:28px 24px 16px}.ar-hero h1{font-size:36px}.ar-grid,.ar-form .ar-fields{grid-template-columns:1fr}.ar-detail-head{flex-direction:column}.ar-detail-head h1{font-size:28px}.ar-detail-head .ar-prize{text-align:left}.ar-tabs button{padding:9px 12px}.ar-heading{align-items:flex-start}.ar-heading h2{font-size:21px}.ar-review dl{grid-template-columns:1fr}.ar-panel{padding:19px}.ar-template strong{margin:8px 0}.ar-timeline{margin:16px 0}.ar-actions>*{flex:1}.ar-game h2{font-size:21px}}
/* Keep the illustration independent of the site's 20px action-SVG rule. */
.arena .ar-stage>svg{height:auto;aspect-ratio:440/310;max-height:310px}
.arena fieldset.ar-form{border:0;padding:0;margin:0;min-width:0}.arena fieldset:disabled{opacity:.72}.ar-entry-select{display:grid;gap:8px;margin-bottom:18px}.ar-entry-select select{font:inherit;width:100%;padding:11px;border:1px solid var(--ar-line);border-radius:9px}.ar-result dd{margin:6px 0 16px}.ar-result dt{font-size:12px;color:#68735e}.ar-stack>section,.ar-detail-head h1{overflow-wrap:anywhere}
.arena button.ar-primary,.arena a.ar-primary{background:var(--ar-ink);border-color:var(--ar-ink);color:white}
@media(prefers-reduced-motion:reduce){.ar-pulse{animation:none}.arena button,.arena a.ar-btn{transition:none}.arena button:hover:not(:disabled),.arena a.ar-btn:hover{transform:none}}
.arena fieldset.ar-visibility{border:1px solid var(--ar-line);border-radius:14px;padding:20px;margin:0;min-width:0;background:#fafbf7}
.ar-visibility legend{display:flex;align-items:center;gap:8px;padding:0 7px;font-size:15px;font-weight:700}
.ar-visibility-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:14px 0}
.ar-form label.ar-visibility-choice{display:flex;align-items:flex-start;gap:12px;border:1px solid #d5ddca;border-radius:12px;background:#fff;padding:17px;cursor:pointer;transition:border-color .16s,background .16s,box-shadow .16s}
.ar-form label.ar-visibility-choice.is-selected{border-color:#718943;background:#edf5dd;box-shadow:inset 0 0 0 1px #718943}
.arena .ar-visibility-choice input[type=radio]{width:20px;height:20px;padding:0;margin:2px 0 0;accent-color:#536c1a;flex:none}
.ar-visibility-choice>span{display:grid;grid-template-columns:20px 1fr;gap:6px 8px;min-width:0}
.ar-visibility-choice small{grid-column:1/-1;line-height:1.7;font-weight:400}
.ar-visibility-choice strong{font-size:15px;line-height:1.5}
.ar-visibility-tag.is-private{background:#f2f0e9;border-color:#d4cec0;color:#665531}
.ar-process-notice{display:flex;align-items:flex-start;gap:12px;font-size:14px}
.ar-process-notice>svg{flex:none;margin-top:3px}.ar-process-notice p{margin:5px 0}.ar-process-notice small{color:#68735e}
.ar-process-notice.is-private{background:#f8f4eb;border-color:#aa8b4a}
.ar-manual-copy{margin-top:22px}.ar-manual-copy textarea{box-sizing:border-box;width:100%;border:1px solid var(--ar-line);border-radius:10px;padding:14px;color:var(--ar-ink);font:13px/1.7 ui-monospace,monospace;resize:vertical;min-height:200px}
@media(max-width:600px){.ar-visibility-options{grid-template-columns:1fr}.arena fieldset.ar-visibility{padding:16px}}