/* Shared paper-and-lime visual language with the flysu field guide. */
:root{color:#242b24;background:#f8faf3;--muted:#64715e;--line:#d1d9c6;--cyan:#426321;--coral:#ba5346;--lime:#d4fb44}
body{background-image:radial-gradient(#8e9a702c .6px,transparent .6px);background-size:5px 5px}
::selection{background:#d4fb44;color:#242b24}
::-webkit-scrollbar-thumb{background:#a7b497}
.topbar{height:96px;background:#fbfcf8ed;border-bottom:1px solid #bfcaa9;margin-bottom:24px}
.brand b{color:#242b24}.brand-symbol{color:#5d7c28}
.edition{color:#64715e}.text-button{color:#45523c}.text-button span{color:#526f2c}.text-button:hover{color:#26381c;text-decoration:underline;text-underline-offset:4px}
.game-shell,.brain-panel{background:#fffefb;border-color:#aab996;border-radius:8px;box-shadow:0 3px 0 #3545270b}
.game-toolbar{background:linear-gradient(#e9ff9c,#d4fb44 55%,#c9f51f);border-bottom-color:#a6b760;height:63px}
.mode-switch{background:#f8ffdf80;border:1px solid #a6b760;border-radius:4px;padding:3px}
.mode-switch button{color:#45552f;border-radius:2px}.mode-switch button.selected{background:#fffefb;color:#242b24;box-shadow:0 1px 2px #344a2426}.mode-switch button:hover{color:#172311}
.difficulty-label{color:#3f512a}select{background:#fcfff0;color:#26331d;border-color:#a6b760;border-radius:3px}.icon-button{color:#3d5129}
.arena{background:#fffefb}.overlay{background:linear-gradient(90deg,#fffefb18,#fffefb00,#fffefb18)}
.stat-label,.accuracy strong span,.combo span,.session-status{color:#69765f}.scorebar strong,.combo strong{color:#35412c}
h1{color:#252f22}h1 em{color:#547329}.mini-rule{background:#95b938}.start-content p{color:#626f59}
.primary{color:#29351a;background:#d4fb44;border:1px solid #8fa54c;border-bottom-width:2px;border-radius:4px;box-shadow:0 3px 0 #536a2514}
.primary:hover{background:#e0ff75}.track-info{color:#637153}.track-divider{color:#9da78e}.live-dot{background:#668e25}
.quiet-button{color:#506143}kbd{color:#526047;background:#f3f6e9;border-color:#bcc8a8;border-radius:3px}
.progress-track{background:#e3e9d7}#progress{background:#99bd33}.game-footer{background:#f2f5e9;border-top:1px solid #d1d9c6}
.brain-panel{padding-top:0;overflow:hidden}.panel-title{margin:0 -19px;padding:15px 19px;background:linear-gradient(#e9ff9c,#d4fb44 55%,#c9f51f);border-bottom:1px solid #a6b760;min-height:63px}
.status-pill{color:#4f6139;border-color:#9eb16c;background:#f8ffdc80;border-radius:3px}.status-pill.active{color:#2f5e21;border-color:#689042;background:#f5ffdb}
.brain-visual{background:radial-gradient(ellipse at 50% 45%,#f0f3e7,#fffefb 75%);border-color:#d1d9c6}
.brain-map-toolbar>span,.brain-map-controls>span,.map-disclosure{color:#69765f}
.brain-map-toolbar button,.brain-map-controls button{color:#4c603b;background:#f8faf1;border-color:#bbc8a7;border-radius:3px}
.brain-map-toolbar button:hover,.brain-map-controls button:hover{color:#283b1b;border-color:#829957;background:#edf6d6}
.brain-map-legend,.brain-map-detail,.brain-description{color:#526148}.map-left{background:#1e7873}.map-relay{background:#7260a0}.map-right{background:#ab6641}
.learning-panel{border-color:#d1d9c6}.learning-title h3{color:#34452a}.learning-title>span,.learning-numbers>span,.learning-model>span:last-child{color:#68775d}.learning-numbers strong{color:#527623}.learning-model>span:first-child{color:#394e2c}.learning-panel>a{color:#496c28}
.brain-numbers strong{color:#38492b}.signal-heading>span,.signal-row,.note-label,.brain-note p{color:#64715e}.meter{background:#e0e7d5}.meter i{background:#8cac40}.pale{background:#91a779}
.page-footer{color:#6f7c64}.result-line{color:#67775b}.result-line b{color:#2d3d22}.secondary{color:#466229;border-color:#9db47a;background:#f7faee;border-radius:4px}
dialog{background:#fffefb;color:#4b5942;border-color:#aab996;border-radius:8px;box-shadow:0 24px 90px #35452733}dialog::backdrop{background:#34432b66;backdrop-filter:blur(3px)}dialog h2{color:#26351d}dialog h3,dialog a{color:#52742c}.close{color:#526448}
body.paused .arena>canvas{filter:none;opacity:.35}.brain-panel.brain-expanded{border-color:#aab996;box-shadow:0 24px 90px #35452740}
@media(max-width:1150px){.brain-panel{padding-top:0}.panel-title{margin:0 -14px;padding:15px 14px}}
@media(max-width:780px){.topbar{height:76px;margin-bottom:18px}.brain-panel{padding-top:0}.panel-title{margin:0 -21px;padding:15px 21px}.game-toolbar{padding:10px 12px}.toolbar-right{gap:10px}}