:root{--primary: #534b62;--on-primary: #ffffff;--error: #984447;--background: rgb(251, 252, 254);--on-background: rgb(25, 28, 30);--surface: #ffffff;--on-surface: rgb(25, 28, 30);--on-surface-variant: rgb(64, 72, 76);--outline: rgb(113, 120, 125);--outline-variant: rgb(192, 199, 205);--surface-disabled: rgba(25, 28, 30, .12);--on-surface-disabled: rgba(25, 28, 30, .38);--backdrop: rgba(42, 49, 54, .4);--elevation-1: #efeae9;--radius: 12px;--shadow-1: 0 1px 3px rgba(0, 0, 0, .16);--shadow-2: 0 3px 8px rgba(0, 0, 0, .2);color-scheme:light;font-family:Roboto,-apple-system,Segoe UI,system-ui,sans-serif;color:var(--on-background)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%}body{margin:0;background:var(--background);overscroll-behavior:none}.app{display:flex;flex-direction:column;height:100%;max-width:900px;margin:0 auto;background:var(--surface)}.screen{flex:1;min-height:0;overflow-y:auto;padding:15px;padding-bottom:calc(20px + env(safe-area-inset-bottom))}.screen--tight{padding:10px}.appbar{display:flex;align-items:center;gap:8px;min-height:56px;padding:8px 10px;padding-top:calc(8px + env(safe-area-inset-top));background:var(--surface);border-bottom:1px solid var(--outline-variant);flex:none}.appbar--transparent{background:transparent;border-bottom:none}.appbar__title{flex:1;font-size:20px;font-weight:500;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.appbar__title--center{text-align:center}.appbar__actions{display:flex;align-items:center;gap:6px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;padding:8px 16px;border:none;border-radius:20px;background:transparent;color:var(--primary);font:inherit;font-size:14px;font-weight:500;letter-spacing:.3px;cursor:pointer;transition:filter .15s ease,opacity .15s ease;-webkit-user-select:none;user-select:none}.btn:hover:not(:disabled){filter:brightness(.94)}.btn:active:not(:disabled){filter:brightness(.88)}.btn:disabled{cursor:not-allowed;color:var(--on-surface-disabled)}.btn--contained{background:var(--primary);color:var(--on-primary);box-shadow:var(--shadow-1)}.btn--contained:disabled{background:var(--surface-disabled);color:var(--on-surface-disabled);box-shadow:none}.btn--outlined{border:1px solid var(--outline)}.btn--block{width:100%}.icon-btn{display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:50%;padding:8px;background:transparent;color:var(--on-surface-variant);cursor:pointer;transition:filter .15s ease,background .15s ease;flex:none}.icon-btn:hover:not(:disabled){background:#0000000f}.icon-btn--contained:hover:not(:disabled){background:inherit;filter:brightness(.92)}.icon-btn:disabled{cursor:not-allowed;opacity:.6}.avatar-icon{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--primary);color:var(--on-primary);flex:none}.card{background:var(--elevation-1);border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden}.card--pressable{cursor:pointer;transition:transform .12s ease,box-shadow .12s ease;width:100%;text-align:left;border:none;font:inherit;display:block}.card--pressable:hover{box-shadow:var(--shadow-2)}.card--pressable:active{transform:scale(.99)}.card__title-row{display:flex;align-items:center;gap:12px;padding:12px 12px 12px 16px;min-height:62px}.card__titles{flex:1;min-width:0}.card__title{font-size:16px;font-weight:500;overflow:hidden;text-overflow:ellipsis}.card__subtitle{font-size:14px;color:var(--on-surface-variant);margin-top:2px}.card__content{padding:0 16px 16px;font-size:14px;color:var(--on-surface-variant)}.card__actions{display:flex;justify-content:flex-end;gap:8px;padding:8px 8px 12px}.textfield{position:relative;display:block;width:100%}.textfield__input{width:100%;height:52px;padding:18px 12px 4px;border:1px solid transparent;border-radius:6px;background:var(--surface);font:inherit;font-size:16px;color:var(--on-surface);outline:none}.textfield__input:focus{border-color:var(--primary)}.textfield__label{position:absolute;left:12px;top:16px;font-size:16px;color:var(--on-surface-variant);pointer-events:none;transition:all .12s ease}.textfield__input:focus+.textfield__label,.textfield__input:not(:placeholder-shown)+.textfield__label{top:5px;font-size:11px;color:var(--primary)}.textfield__error{color:red;font-size:13px;margin-top:4px}.number-input{display:flex;align-items:center;gap:10px;margin-bottom:10px}.number-input__value{flex:1;text-align:center;background:var(--surface);border-radius:20px;padding:12px;font-size:16px;color:#000}.number-input__label{margin-bottom:10px;text-align:center}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--backdrop);display:flex;align-items:center;justify-content:center;padding:20px;z-index:100;animation:fadeIn .15s ease}.dialog{background:var(--surface);border-radius:28px;padding:24px;width:100%;max-width:420px;box-shadow:var(--shadow-2);animation:dialogIn .2s ease}.dialog__title{font-size:22px;font-weight:500;margin:0 0 12px}.dialog__message{font-size:15px;line-height:1.45;color:var(--on-surface-variant);white-space:pre-line;margin:0}.dialog__actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px;margin-top:24px}.fullscreen-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:var(--surface);animation:fadeIn .15s ease}.fullscreen-modal__inner{display:flex;flex-direction:column;height:100%;max-width:900px;margin:0 auto}.fullscreen-modal__body{flex:1;min-height:0;overflow-y:auto;padding:15px;padding-bottom:calc(20px + env(safe-area-inset-bottom))}.question-sets__intro{margin:0 0 15px;font-size:14px;color:var(--on-surface-variant)}.question-sets__note{margin:20px 0 0;font-size:13px;font-style:italic;color:var(--outline)}.game{display:flex;flex-direction:column;height:100%;transition:background-color .4s ease}.game__question-zone{flex:1;display:flex;align-items:center;justify-content:center;padding:20px;cursor:pointer;-webkit-user-select:none;user-select:none}.game__question{text-align:center;font-size:clamp(22px,4.2vw,34px);font-weight:700;color:#000;margin:0;max-width:900px}.game__hint{text-align:center;color:#0000008c;font-size:13px;padding-bottom:6px;-webkit-user-select:none;user-select:none}.game__footer{display:flex;justify-content:flex-start;padding:10px;padding-bottom:calc(10px + env(safe-area-inset-bottom));min-height:60px}.error-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;background:red;color:#fff;font-size:20px;text-align:center;padding:20px}.row{display:flex;align-items:center}.row--between{justify-content:space-between}.row--evenly{justify-content:space-evenly;flex-wrap:wrap;gap:10px}.stack>*+*{margin-top:10px}.mb-10{margin-bottom:10px}.mb-15{margin-bottom:15px}.mb-20{margin-bottom:20px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes dialogIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes bounceIn{0%{opacity:0;transform:scale3d(.3,.3,.3)}20%{transform:scale3d(1.1,1.1,1.1)}40%{transform:scale3d(.9,.9,.9)}60%{opacity:1;transform:scale3d(1.03,1.03,1.03)}80%{transform:scale3d(.97,.97,.97)}to{opacity:1;transform:scaleZ(1)}}@keyframes zoomIn{0%{opacity:0;transform:scale3d(.3,.3,.3)}50%{opacity:1}to{transform:scaleZ(1)}}.animate-bounceIn{animation:bounceIn .75s both}.animate-zoomIn{animation:zoomIn .75s both}@media (prefers-reduced-motion: reduce){.animate-bounceIn,.animate-zoomIn{animation:none}}