:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#11131d;--bg-2:#1b132a;--surface:#242233;--surface-2:#302947;--surface-3:#172832;--text:#f7f4ff;--muted:#b4adc7;--subtle:#817b94;--primary:#8c79af;--primary-strong:#bdb3d1;--secondary:#5dabc0;--accent:#f0c75e;--danger:#ff6b6b;--success:#62d485;--border:#ffffff1f;--shadow:0 24px 80px #00000059;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%}body{background:radial-gradient(circle at top left, #5dabc033, transparent 30rem), linear-gradient(135deg, var(--bg), var(--bg-2));margin:0}button,input,select{font:inherit}button{cursor:pointer;border:0;min-height:44px}button:disabled{cursor:not-allowed;opacity:.55}select,input{border:1px solid var(--border);width:100%;min-height:48px;color:var(--text);background:#ffffff14;border-radius:8px;padding:0 .9rem}h1,h2,p{margin:0}h1{font-size:clamp(2.4rem,7vw,5rem);line-height:.95}h2{margin-bottom:1rem;font-size:1.15rem}.app-shell{width:min(1180px,100%);min-height:100dvh;margin:0 auto;padding:clamp(1rem,3vw,2rem);display:flex}.app-shell>*{flex:1;min-width:0;min-height:0}.setup-screen,.game-screen{min-height:100%}.setup-screen{grid-template-rows:auto minmax(0,1fr);gap:1rem;display:grid}.game-screen{grid-template-rows:auto auto minmax(0,1fr);gap:1rem;display:grid}.panel,.hero-panel,.progress-panel{border:1px solid var(--border);box-shadow:var(--shadow);background:#242233db;border-radius:8px}.eyebrow{color:var(--accent);letter-spacing:0;text-transform:uppercase;margin-bottom:.5rem;font-size:.8rem;font-weight:700}.hero-panel{background:linear-gradient(135deg,#5a408df2,#172832eb);justify-content:space-between;align-items:flex-end;gap:1rem;padding:clamp(1.25rem,4vw,2rem);display:flex}.hero-copy,.muted,.validation-text{color:var(--muted)}.hero-copy{max-width:42rem;margin-top:.8rem;font-size:1.05rem}.primary-action,.ghost-action,.danger-action,.inline-form button{color:var(--text);border-radius:8px;padding:0 1.2rem;font-weight:800}.primary-action{background:linear-gradient(135deg, var(--secondary), var(--primary))}.ghost-action{border:1px solid var(--border);background:#ffffff1a}.danger-action{background:#ff6b6b2e;border:1px solid #ff6b6b61;width:100%;margin-top:1rem}.setup-grid,.results-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.setup-grid{align-content:start;min-height:0}.setup-card,.chart-panel,.history-list-panel{padding:1rem}.field-label{color:var(--muted);margin-bottom:.4rem;display:block}.inline-form{grid-template-columns:1fr auto;gap:.6rem;margin-top:.8rem;display:grid}.inline-form button{background:var(--surface-3)}.segmented-grid,.round-options{gap:.75rem;display:grid}.segmented-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.round-options{grid-template-columns:repeat(3,minmax(0,1fr))}.segment,.round-option{border:1px solid var(--border);color:var(--text);background:#ffffff14;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;display:flex}.segment.selected,.round-option.selected{background:#5dabc047;border-color:#5dabc0cc}.operator-symbol{font-size:1.7rem;font-weight:900}.round-option{flex-direction:column;min-height:86px}.round-option span{font-size:1.7rem;font-weight:900}.round-option small{color:var(--muted)}.segment-label,.round-option-label{white-space:nowrap}.validation-text{margin-top:.75rem}.compact-list{gap:.65rem;margin:0;padding:0;list-style:none;display:grid}.compact-list li{color:var(--muted);justify-content:space-between;gap:1rem;display:flex}.compact-list strong{color:var(--text)}.game-header{justify-content:space-between;align-items:center;gap:1rem;display:flex}.game-header h1{font-size:clamp(2rem,8vw,4rem)}.progress-panel{padding:1rem}.progress-track{background:#ffffff1a;border-radius:99px;height:12px;overflow:hidden}.progress-track div{background:linear-gradient(90deg, var(--secondary), var(--accent));height:100%;transition:width .18s}.stats-row{color:var(--muted);grid-template-columns:repeat(4,auto);justify-content:space-between;gap:.75rem;margin-top:.8rem;display:grid}.play-area{grid-template-columns:minmax(0,1fr) minmax(260px,360px);align-items:stretch;gap:1rem;min-height:0;display:grid}.question-stack{align-content:start;gap:.8rem;min-height:0;display:grid}.question-row{border:1px solid var(--border);background:#ffffff14;border-radius:8px;justify-content:space-between;align-items:center;gap:1rem;min-height:96px;padding:1rem;font-weight:900;display:flex}.question-row.active{background:#302947f2;min-height:160px;font-size:clamp(2.3rem,8vw,5rem)}.question-row.upcoming{color:var(--muted);font-size:clamp(1.3rem,4vw,2rem)}.question-row.correct{border-color:#62d485e6}.question-row.wrong{border-color:#ff6b6be6}.answer-display{min-width:3ch;color:var(--accent);text-align:right}.keypad{grid-template-columns:repeat(3,minmax(0,1fr));align-self:end;gap:.65rem;display:grid}.keypad button{min-height:72px;color:var(--text);background:#5dabc033;border:1px solid #5dabc059;border-radius:8px;font-size:1.6rem;font-weight:900}.keypad .utility-key{background:#ffffff1a;font-size:1rem}.results-hero{text-align:center;margin-bottom:1rem;padding:clamp(1.25rem,4vw,2rem)}.score-number{color:var(--accent);margin:1rem 0;font-size:clamp(3rem,11vw,7rem);font-weight:900}.score-breakdown{color:var(--muted);flex-wrap:wrap;justify-content:center;gap:.75rem;margin-bottom:1.25rem;display:flex}@media (width<=820px){.hero-panel,.game-header{flex-direction:column;align-items:stretch}.results-grid,.play-area{grid-template-columns:1fr}.setup-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stats-row{grid-template-columns:repeat(2,1fr)}.keypad{width:100%;max-width:520px;margin:0 auto}}@media (width<=480px){.app-shell{padding:.5rem}.setup-screen,.game-screen{gap:.5rem}.hero-panel,.progress-panel,.setup-card,.chart-panel,.history-list-panel,.results-hero{padding:.85rem}.hero-copy{margin-top:.45rem;font-size:.95rem}.primary-action,.ghost-action,.danger-action,.inline-form button{min-height:40px}select,input{min-height:42px}.setup-grid{gap:.6rem}h2{margin-bottom:.75rem}.round-options{gap:.5rem}.round-option{min-height:72px}.round-option span,.operator-symbol{font-size:1.35rem}.segment-label,.round-option-label{display:none}.segment{gap:0}.game-header{flex-direction:row;align-items:flex-start;gap:.5rem}.game-header>div{flex:1;min-width:0}.game-header h1{font-size:clamp(1.55rem,7vw,2.1rem)}.game-header .ghost-action{white-space:nowrap;width:auto;min-height:38px;margin-top:0;padding:0 .85rem}.progress-track{height:8px}.progress-panel{padding:.75rem}.stats-row{gap:.3rem .6rem;margin-top:.45rem;font-size:.88rem}.play-area{grid-template-rows:minmax(0,1fr) auto;gap:.45rem}.question-stack{gap:.4rem}.question-row{min-height:62px;padding:.6rem .75rem}.question-row.active{min-height:92px;font-size:clamp(2.1rem,10vw,2.9rem)}.question-row.upcoming{font-size:1.2rem}.keypad{gap:.4rem}.keypad button{min-height:clamp(48px,6.4dvh,56px);font-size:1.45rem}.keypad .utility-key{font-size:.95rem}}@media (width<=340px){.setup-grid,.segmented-grid{grid-template-columns:1fr}.eyebrow{margin-bottom:.3rem}.hero-copy{display:none}.inline-form{grid-template-columns:1fr}}