:root{--page-bg: #eeeeea;--surface: #fbfbf7;--surface-muted: #f4f4ee;--text: #222222;--muted: #5f625b;--border: #c8c8bf;--border-strong: #8c8c82;--primary: #064c8f;--primary-hover: #043b70;--primary-soft: #eef4fb;--success-bg: #edf7ef;--success-border: #78a97e;--success-text: #245b2b;--danger-bg: #fbefed;--danger-border: #c98578;--danger-text: #7b2a1f;--radius-sm: 4px;--radius-md: 7px;--shadow-sm: 0 1px 3px rgb(35 35 28 / .08);--space-xs: .375rem;--space-sm: .625rem;--space-md: 1rem;--space-lg: 1.5rem;--question-font-size: clamp(1.65rem, 3vw, 2.85rem);--question-line-height: 1.12;color:#222;background:#eeeeea;font-family:Georgia,Times New Roman,serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit}button:focus-visible,input:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #8aa7c7;outline-offset:2px}.app-shell{min-height:100vh}.app-header{border-bottom:1px solid #999999;background:#f7f7f2}.masthead{display:flex;align-items:baseline;justify-content:space-between;gap:18px;width:min(880px,calc(100% - 28px));margin:0 auto;padding:14px 0 10px}.masthead p{margin:0;color:#555;font-size:.95rem}.site-title{border:0;padding:0;color:#222;background:transparent;cursor:pointer;font-size:1.35rem;font-weight:700}.top-nav{border-top:1px solid #c8c8bf;background:#e4e4dc}.top-nav{display:flex;gap:0;width:min(880px,calc(100% - 28px));margin:0 auto}.nav-spacer{flex:1}.nav-user{display:inline-flex;align-items:center;border-right:1px solid #b4b4aa;padding:7px 12px;color:#555;font-weight:700}.nav-link{border:0;border-right:1px solid #b4b4aa;padding:7px 12px;color:#222;background:transparent;cursor:pointer;font-weight:700}.nav-link:first-child{border-left:1px solid #b4b4aa}.nav-link:hover,.nav-link.active{background:#fbfbf7;color:#064c8f}.page{width:min(880px,calc(100% - 28px));margin:26px auto 48px}.narrow-page{width:min(640px,calc(100% - 28px))}.settings-page{width:min(820px,calc(100% - 28px))}.intro,.game-list,.panel,.card{border:1px solid #aaaaaa;background:#fbfbf7;padding:18px}.intro{margin-bottom:18px}.intro p+p{margin-top:12px}.intro-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px}.intro h2,.page-heading h2,.session-heading h2,.game-list h2,.results-summary h2{margin:0 0 8px;font-size:1.35rem}.intro p,.page-heading p,.session-heading p,.game-card p,.results-summary p{margin:0;line-height:1.5}.list-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;border-bottom:1px solid #c8c8bf;margin-bottom:4px;padding-bottom:8px}.list-heading h2{margin:0}.list-heading span{color:#666;font-size:.9rem}.list-intro{border-bottom:1px solid #d2d2ca;margin:0;padding:10px 0 12px;color:#444;line-height:1.5}.game-list-items,.game-group-grid{display:grid;gap:0}.game-group-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;border:0;border-bottom:1px solid #d2d2ca;padding:14px 0;background:transparent;color:#222;cursor:pointer;text-align:left}.game-group-card:last-child{border-bottom:0}.game-group-card:hover{color:#064c8f}.game-group-card-main{display:grid;gap:3px}.game-group-card-main span,.game-count{color:#555;line-height:1.4}.game-count{white-space:nowrap;font-size:.9rem;font-weight:700}.game-section{border-top:1px solid #d2d2ca;padding-top:14px}.game-section+.game-section{margin-top:16px}.game-section-heading{display:grid;gap:4px;margin-bottom:8px}.game-section-heading h3{margin:0;font-size:1.08rem}.game-section-heading p{margin:3px 0 0;color:#555;line-height:1.45}.game-card{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px;border-bottom:1px solid #d2d2ca;background:transparent;padding:14px 0}.game-card:last-child{border-bottom:0}.game-card-main{display:flex;align-items:flex-start;gap:10px;min-width:0}.game-icon{display:grid;width:42px;height:42px;place-items:center;border:1px solid #888888;background:#f7f7f2;color:#222;font-family:Georgia,Times New Roman,serif;font-size:1rem;font-weight:700}.game-card h3{margin:0;font-size:1.1rem}.game-card p{margin-top:3px;color:#444}.plain-link{border:0;padding:0;color:#064c8f;background:transparent;cursor:pointer;text-decoration:underline}.button{min-height:38px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:6px 14px;color:var(--text);background:#e8e8df;cursor:pointer;font-weight:700;line-height:1.2}.discord-link{display:inline-flex;min-height:34px;align-items:center;gap:7px;border:1px solid #777777;padding:4px 12px;color:#111;background:#e8e8df;font-weight:700;text-decoration:none}.discord-icon{width:18px;height:18px;flex:0 0 auto;fill:currentColor}.button:hover,.discord-link:hover,.plain-link:hover,.site-title:hover{color:var(--primary)}.button:disabled{cursor:not-allowed;opacity:.55}.quiz-action-button.is-primary{min-height:44px;border-color:var(--primary);background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.quiz-action-button.is-primary:hover:not(:disabled){border-color:var(--primary-hover);background:var(--primary-hover);color:#fff}.quiz-action-button.is-primary:disabled{border-color:var(--border);background:#d9d9d0;color:#6d6d64;box-shadow:none}.secondary-button{background:#f7f7f2}.button-row{display:flex;flex-wrap:wrap;gap:10px}.form-error{margin:0;color:#8a1f11;font-weight:700}.settings-form{display:grid;gap:12px;margin-top:12px}.field{display:grid;gap:4px;font-weight:700;font-size:.92rem}.number-input{width:100%;min-height:44px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:8px 10px;color:var(--text);background:#fff;line-height:1.2}.number-input:disabled{background:#eeeeea;color:var(--muted);cursor:not-allowed}.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-sm);width:100%;margin-top:0}.choice-button{min-height:48px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:10px 12px;background:#fff;color:var(--text);cursor:pointer;text-align:center;font-weight:700;line-height:1.25;overflow-wrap:anywhere;transition:background-color .12s ease,border-color .12s ease,color .12s ease,box-shadow .12s ease}.choice-button:hover:not(:disabled),.choice-button.selected{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}.choice-button.selected{box-shadow:inset 0 0 0 1px var(--primary)}.choice-button:disabled{background:#eeeeea;color:var(--muted);cursor:not-allowed}.choice-button.is-correct{border-color:var(--success-border);background:var(--success-bg);color:var(--success-text)}.choice-button.is-incorrect{border-color:var(--danger-border);background:var(--danger-bg);color:var(--danger-text)}.choice-submit-row{justify-content:flex-end}.fieldset{border:1px solid #b8b8b0;margin:0;padding:10px}.fieldset legend{font-weight:700}.operator-grid{display:grid;gap:6px}.compact-setting-row{display:grid;grid-template-columns:130px minmax(0,1fr);align-items:end;gap:12px}.compact-setting-row p{margin:0 0 4px;color:#555;line-height:1.4}.duration-field{max-width:130px}.difficulty-list{display:grid;gap:10px}.checkbox-row,.radio-row{display:flex;align-items:flex-start;gap:7px}.radio-row strong,.radio-row small{display:block}.radio-row small{color:#555;line-height:1.4}.range-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.operator-range-list{display:grid}.operator-range{display:grid;grid-template-columns:160px minmax(0,1fr);gap:10px;border-top:1px solid #d2d2ca;padding:9px 0}.operator-range.muted{color:#666;background:#f6f6f0}.operator-range:first-child{border-top:0}.operator-range-header{display:grid;align-content:start;gap:5px}.operator-range-header code{width:max-content;border:1px solid #d2d2ca;padding:2px 5px;background:#fff;font-family:Courier New,monospace;font-size:.88rem}.operator-range-summary{display:flex;align-items:center;justify-content:space-between;gap:8px;color:#555;font-size:.92rem}.operator-range-summary div{display:flex;flex-wrap:wrap;gap:8px}.operator-range-summary span{border:1px solid #d2d2ca;padding:3px 6px;background:#fff}.range-toggle-button{display:grid;width:28px;height:28px;place-items:center;border:1px solid transparent;border-radius:3px;background:transparent;color:#222;cursor:pointer;font-family:Arial,sans-serif;font-size:1.05rem;font-weight:700;line-height:1}.range-toggle-button:hover{color:#064c8f;border-color:#c8c8bf;background:#fff}.operator-range-body{grid-column:2;display:grid;grid-template-columns:minmax(0,160px) minmax(0,160px) minmax(160px,1fr);align-items:start;gap:10px}.operator-range-body p{margin:1.45rem 0 0;color:#555;font-size:.9rem;line-height:1.35}.range-control-group>span{display:block;margin-bottom:4px;color:#333;font-size:.9rem;font-weight:700}.mini-range-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.practice-page{width:min(760px,calc(100% - 28px))}.session-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-md);margin-bottom:var(--space-md)}.session-heading>div{min-width:0}.session-heading .button{flex:0 0 auto}.practice-card{padding:clamp(1rem,3vw,1.5rem)}.quiz-panel{border-color:var(--border);border-radius:var(--radius-md);background:var(--surface);box-shadow:var(--shadow-sm)}.practice-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(92px,1fr));gap:var(--space-xs);border:0;background:transparent}.practice-stats div{border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 10px;background:#fff}.practice-stats span,.result-list dt{display:block;color:var(--muted);font-size:.78rem;font-weight:700;letter-spacing:0;text-transform:uppercase}.practice-stats strong,.result-list dd{display:block;margin:2px 0 0;font-size:1.08rem;font-weight:700;line-height:1.15}.prompt-form{display:grid;gap:var(--space-md);margin-top:var(--space-lg)}.prompt{display:grid;min-height:clamp(104px,18vw,150px);place-items:center;border:1px solid var(--border);border-radius:var(--radius-md);padding:clamp(1rem,3vw,1.5rem);background:var(--surface-muted);color:var(--text);font-family:Georgia,Times New Roman,serif;font-size:var(--question-font-size);font-weight:650;line-height:var(--question-line-height);text-align:center;overflow-wrap:break-word;text-wrap:balance;-webkit-hyphens:auto;hyphens:auto;font-variant-numeric:lining-nums tabular-nums}.prompt.is-long,.quant-prompt{place-items:center start;font-size:clamp(1.15rem,2.2vw,1.75rem);font-weight:600;line-height:1.28;text-align:left}.countdown-card{display:grid;min-height:240px;place-items:center;align-content:center;gap:8px;text-align:center}.countdown-card span{color:#555;font-size:1rem;font-weight:700}.countdown-card strong{font-size:clamp(4rem,18vw,7rem);line-height:1}.answer-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--space-sm);align-items:stretch}.feedback{min-height:44px;margin:0;border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;color:var(--muted);background:#fff;line-height:1.35}.feedback.is-success{border-color:var(--success-border);background:var(--success-bg);color:var(--success-text)}.feedback.is-error{border-color:var(--danger-border);background:var(--danger-bg);color:var(--danger-text)}.results-summary .quiz-action-button.is-primary{min-width:112px}.result-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0}.result-list div{border:1px solid #b8b8b0;background:#fff;padding:10px}.result-list dd{margin-left:0}.statistics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:10px}.statistic-card{display:grid;gap:10px;padding:12px}.statistic-card-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:2px 12px;border-bottom:1px solid #d2d2ca;padding-bottom:8px}.statistic-card-heading h3{margin:0;font-size:1rem}.statistic-card-heading strong{font-size:1.2rem;line-height:1}.statistic-card-heading span{grid-column:2;color:#666;font-size:.78rem;font-weight:700;text-transform:uppercase}.statistics-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px 10px;margin:0}.statistics-list div{display:grid;gap:2px}.statistics-list .primary-statistic{display:none}.statistics-list dt{color:#666;font-size:.78rem;font-weight:700}.statistics-list dd{margin:0;font-size:1rem;font-weight:700}.leaderboard-select select{width:min(100%,280px);min-height:34px;border:1px solid #888888;border-radius:0;background:#fff;padding:4px 8px}.leaderboard-table{width:100%;border-collapse:collapse;background:#fff;table-layout:fixed}.leaderboard-table th,.leaderboard-table td{border:1px solid #c8c8bf;padding:8px;text-align:left;overflow-wrap:anywhere}.leaderboard-table th{background:#e4e4dc}@media(max-width:640px){.masthead{display:block}.masthead p{margin-top:4px}.top-nav{overflow-x:auto}.nav-link{white-space:nowrap}.session-heading,.answer-row{grid-template-columns:1fr;display:grid}.session-heading .button,.answer-row .button{width:100%}.choice-grid{grid-template-columns:1fr}.practice-card{padding:14px}.prompt{min-height:96px;font-size:clamp(1.45rem,7vw,2.1rem)}.prompt.is-long{font-size:clamp(1.05rem,4.8vw,1.35rem);line-height:1.3}.quant-prompt{font-size:clamp(1.05rem,4.8vw,1.35rem)}.practice-stats,.range-grid,.operator-range,.operator-range-body,.compact-setting-row,.result-list,.game-card{grid-template-columns:1fr}.operator-range-body{grid-column:auto}.operator-range-body p{margin-top:0}.leaderboard-select select{width:100%}.leaderboard-table{border-collapse:separate;border-spacing:0 10px;background:transparent;table-layout:auto}.leaderboard-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.leaderboard-table tr{display:grid;grid-template-columns:76px minmax(0,1fr);border:1px solid #c8c8bf;background:#fff}.leaderboard-table td{display:grid;gap:3px;border:0;border-bottom:1px solid #e1e1d8;padding:8px 10px}.leaderboard-table td:before{content:attr(data-label);color:#666;font-size:.8rem;font-weight:700}.leaderboard-table td:first-child{border-right:1px solid #e1e1d8}.leaderboard-table td:nth-child(2){font-weight:700}.leaderboard-table td:nth-child(3){grid-column:1 / -1;border-bottom:0}}