.extreme-view{--extreme-gold:#eed48d}.extreme-rules{line-height:1.9;white-space:pre-line;overflow-wrap:anywhere;margin:24px 0}.extreme-view h2{font-size:1.1rem;margin:24px 0 12px}.extreme-view textarea{display:block;box-sizing:border-box;width:100%;min-height:62px;margin:8px 0 18px;padding:12px 14px;border:1px solid #81a39866;background:#123438;color:#e0e9cf;border-radius:12px;font:inherit;line-height:1.55;resize:vertical}.extreme-view label{display:block;font-weight:600}.extreme-controls,.extreme-actions{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.extreme-controls button,.extreme-grid button,.extreme-proof button{min-height:44px;border:1px solid #729a8e77;border-radius:10px;background:#173c40;color:#dce9cd;padding:10px 13px;font:inherit;cursor:pointer}.extreme-view button:disabled{opacity:.4;cursor:default}.extreme-view button[aria-pressed=true],.extreme-view button.selected{border-color:#efd18b;background:#46664d}.extreme-view button:focus-visible,.extreme-view textarea:focus-visible{outline:3px solid #efd18b;outline-offset:3px}.extreme-visual{margin:22px auto;max-width:520px}.extreme-visual svg{box-sizing:border-box;background:#123438;border-radius:16px;padding:14px;display:block;width:100%;height:auto;max-height:360px;overflow:visible}.extreme-visual svg line{stroke:#91afa0;stroke-width:2}.extreme-visual svg text{fill:#eff2d5;font:12px system-ui}.extreme-visual svg circle{stroke:#b7ceae;stroke-width:1.5}.extreme-grid{display:grid;gap:8px}.extreme-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.extreme-grid.six{grid-template-columns:repeat(6,minmax(0,1fr));gap:5px}.extreme-grid button{padding:8px 3px;min-width:0}.extreme-grid button.lit{background:#e8cf87;color:#193a3c}.extreme-grid button.covered{background:#37584e;color:#b5c6af}.extreme-coins{display:grid;gap:18px}.extreme-proof{display:grid;gap:9px}.extreme-proof button{text-align:left;line-height:1.65}.extreme-visual ol{padding-left:25px;line-height:1.9}.extreme-visual p{font-size:.85rem;line-height:1.8;overflow-wrap:anywhere}.extreme-link{color:#795711!important}.extreme-button{border:1px solid #bd9b4f!important;color:#f6e4b4!important}#extreme-status{line-height:1.8;color:#69511f;min-height:1.8em}#extreme-log{border:1px solid #91ae9b44;border-radius:12px;padding:15px;margin:18px 0}#extreme-trace{line-height:1.55;overflow-wrap:anywhere}#extreme-trace p{margin:7px 0;font-variant-numeric:tabular-nums}.activity-nav a.has-crown{padding-top:38px!important}.orbit-crown{position:absolute;left:50%;top:7px;transform:translateX(-50%);width:28px;height:22px;pointer-events:none}.orbit-crown[hidden]{display:none}.orbit-crown svg{width:100%;height:100%;fill:#e4bd58;stroke:#947124;stroke-width:2;stroke-linejoin:round;filter:drop-shadow(0 1px 5px #d1ae5a33)}
@media(max-width:560px){.extreme-grid.six{gap:4px}.extreme-grid.six button{font-size:.85rem}.extreme-actions>*{flex:1 1 150px}.extreme-view textarea{font-size:16px}.extreme-controls button{flex:1 1 70px}.success-invitation-actions{flex-wrap:wrap}}
/* Native buttons overlay exact diagrams; all evidence still uses the same verifier. */
.interactive-workspace{grid-column:1/-1;width:100%;margin-bottom:18px}.visual-guide{color:#3d5d4c;font-size:13px;line-height:1.85}.visual-state{color:#5b4824;font-size:13px;line-height:1.75;min-height:1.7em}.visual-body{min-width:0}.visual-button{font:inherit;min-width:44px;min-height:44px;border:1px solid #759c88;border-radius:10px;background:#173c40;color:#e5edda;padding:9px 12px;cursor:pointer}.visual-button[aria-pressed=true]{outline:2px solid #e5c276;outline-offset:1px;background:#4a6951}.visual-palette{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.water-tanks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.water-tank{padding:8px 3px;min-width:0}.water-tank svg{background:none;padding:0;border-radius:0;max-height:230px}.water-tank>span{display:block;line-height:1.55;font-size:12px;overflow-wrap:anywhere}.water-level{transition:y .35s,height .35s}.interactive-workspace svg{padding:0}.interactive-plot{position:relative;width:100%;aspect-ratio:360/300}.interactive-drawing{position:absolute;inset:0}.interactive-drawing svg{height:100%;max-height:none}.graph-hit{position:absolute;transform:translate(-50%,-50%);padding:4px;min-width:44px;min-height:44px;border-radius:50%;font-size:11px;z-index:2}.visual-line-sums{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}.visual-line-sums p{margin:4px 0;color:#496b58}.visual-line-sums .matches{color:#1b6c53;font-weight:600}.visual-numbers,.visual-trial{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.visual-trial{grid-template-columns:repeat(5,minmax(0,1fr))}.visual-numbers label,.visual-trial label{font-size:12px}.visual-numbers input,.visual-trial input,.visual-topology-answer input{box-sizing:border-box;width:100%;min-width:0;min-height:44px;border:1px solid #90aa93;border-radius:8px;padding:8px;color:#294c3d;background:#f5f8ef;font:inherit;font-size:16px;margin-bottom:12px}.visual-number label{display:block;margin:4px 0 7px;color:#385b47}.visual-banks,.visual-bags{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.visual-bank,.visual-bag,.visual-house{padding:12px;border:1px solid #b1c6ad;border-radius:14px;background:#eef4e9;min-width:0}.visual-bank h3,.visual-bag h3,.visual-house h3,.visual-questions h3,.visual-schedule-placement h3,.visual-surface h3,.visual-heap h3{font-size:13px;font-weight:600;line-height:1.7;margin:8px 0 12px;color:#385c46}.visual-bank button{width:100%;font-size:11px;line-height:1.7;text-align:left;margin:4px 0;padding:8px}.visual-heap{border:1px solid #9db9a0;border-radius:14px;padding:12px;margin:12px 0}.heap-dots{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));gap:6px;color:#447a62;font-size:22px}.membership-grid{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:5px}.membership-grid button{padding:6px;min-width:0}.visual-codes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:18px}.visual-codes button{font-variant-numeric:tabular-nums;font-size:13px}.visual-houses{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}.visual-house{padding:8px 5px}.visual-house label{font-size:11px;margin-top:8px}.visual-house select{width:100%;min-height:44px;border:1px solid #9eb79e;border-radius:6px;background:#f9fbf5;color:#2f523e;font:inherit;font-size:16px}.bag-balls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.bag-balls button{font-size:25px;padding:4px;min-width:0}.time-grid{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:4px}.time-grid button{padding:5px;min-width:0}.visual-topology-answer{margin-top:18px}.visual-surface{border-top:1px solid #adc3aa;padding-top:12px;margin-top:18px}.visual-topology-answer label{font-size:13px}.visual-topology-answer .visual-number{width:120px;display:inline-block;margin-right:12px}#extreme-record{margin:16px 0;border:1px solid #b2c6b1;border-radius:12px;padding:12px}#extreme-record summary{min-height:44px;cursor:pointer;font-size:13px;line-height:1.7;color:#3c624c}#extreme-record[open] summary{margin-bottom:12px}.balance-model{margin:12px 0}.balance-model svg{max-height:210px}.visual-button:focus-visible,.interactive-workspace input:focus-visible,.interactive-workspace select:focus-visible{outline:3px solid #877039;outline-offset:3px}.visual-topology-answer .visual-palette>span{flex-basis:100%;color:#42664c;font-size:13px}
@media(max-width:560px){.membership-grid,.time-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.visual-houses{grid-template-columns:repeat(2,minmax(0,1fr))}.water-tanks{gap:5px}.water-tank>span{font-size:11px}.visual-numbers,.visual-trial{gap:4px}.visual-numbers input,.visual-trial input{padding:7px 3px}.visual-bank{padding:8px}.visual-banks{gap:7px}.graph-hit{font-size:10px}.visual-palette .visual-button{flex:1 1 44px}}
@media(prefers-reduced-motion:reduce){.water-level{transition:none}}
.code-bit{display:inline-block;min-width:.9em;text-align:center}.code-bit.different{background:#ecd18c;color:#143d35;border-radius:3px;font-weight:700}
.activity-nav a.has-hollow-crown .orbit-crown svg{fill:none;stroke:#947124;filter:none}
#extreme-view-answer{margin-top:20px}#extreme-answer-notice{line-height:1.8;margin:10px 0 18px}
.extreme-solution{background:#f1f5eb;border:1px solid #b2c2a5;border-radius:16px;padding:20px;margin:18px 0;color:#294b3b;line-height:1.85;overflow-wrap:anywhere}
.extreme-solution[hidden]{display:none}.extreme-solution h2{margin-top:0}.extreme-solution h3{font-size:14px;margin:20px 0 8px}.extreme-solution p{margin:12px 0}.extreme-solution pre{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.8 ui-monospace,monospace;background:#e6ecdf;border-radius:10px;padding:12px;margin:8px 0;font-variant-numeric:tabular-nums}.extreme-solution ol{padding-left:24px}.extreme-solution li{margin:10px 0}
.answer-table-scroll{overflow-x:auto;max-width:100%;margin:20px 0}.answer-table-scroll:focus-visible{outline:3px solid #877039;outline-offset:3px}.extreme-solution table{width:100%;border-collapse:collapse;font-size:13px;font-variant-numeric:tabular-nums}.extreme-solution caption{text-align:left;font-weight:600;padding:8px 0}.extreme-solution th,.extreme-solution td{border-bottom:1px solid #b2c2a5;padding:9px 7px;text-align:left;vertical-align:top}.extreme-solution th{font-weight:600}
@media(max-width:560px){.extreme-solution{padding:14px}.extreme-solution th,.extreme-solution td{padding:8px 5px}}