:root{--color-primary: #006eff;--color-correct: #1b8a3d;--color-incorrect: #c0392b;--color-border: #e0e0e0;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px);--safe-right: env(safe-area-inset-right, 0px)}button{font-family:inherit}.status-screen{height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px;text-align:center}.status-screen__retry{padding:12px 32px;min-height:44px;font-size:16px;background:var(--color-primary);color:#fff;border:none;border-radius:8px;cursor:pointer}.top-screen{height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px;padding-top:calc(24px + var(--safe-top));padding-bottom:calc(24px + var(--safe-bottom));text-align:center}.top-screen__title{font-size:32px;margin:0}.top-screen__tagline{font-size:16px;color:#555;margin:0 0 24px}.top-screen__start{width:100%;max-width:320px;min-height:56px;font-size:18px;font-weight:700;background:var(--color-primary);color:#fff;border:none;border-radius:12px;cursor:pointer}.quiz-screen{height:100dvh;display:flex;flex-direction:column}.quiz-screen__header{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;padding:8px 16px;padding-top:calc(8px + var(--safe-top));padding-left:calc(16px + var(--safe-left));padding-right:calc(16px + var(--safe-right));border-bottom:1px solid var(--color-border)}.quiz-screen__title{font-size:14px;font-weight:700}.quiz-screen__progress{font-size:14px;color:#555}.quiz-screen__map{flex:0 0 clamp(320px,58dvh,65dvh);min-height:0}.quiz-screen__panel{flex:1 1 auto;min-height:0;overflow-y:auto;padding:16px;padding-bottom:calc(16px + var(--safe-bottom));padding-left:calc(16px + var(--safe-left));padding-right:calc(16px + var(--safe-right))}.quiz-screen__prompt{font-size:16px;font-weight:700;margin:0 0 12px}.answer-dialog-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:24px calc(24px + var(--safe-right)) calc(24px + var(--safe-bottom)) calc(24px + var(--safe-left));background:#14141452;animation:answer-dialog-overlay-fade .18s ease-out}.answer-dialog{width:100%;max-width:360px;background:#fff;border-radius:16px;padding:28px 24px 24px;text-align:center;box-shadow:0 12px 32px #00000038;animation:answer-dialog-pop .24s cubic-bezier(.2,.8,.3,1.1)}.answer-dialog--correct{color:var(--color-correct)}.answer-dialog--incorrect{color:var(--color-incorrect)}.answer-dialog__icon{display:flex;align-items:center;justify-content:center;margin:0 auto 12px}.answer-dialog__label{font-size:20px;font-weight:700;margin:0 0 20px}.answer-dialog__next{width:100%;min-height:48px;font-size:16px;font-weight:700;background:var(--color-primary);color:#fff;border:none;border-radius:8px;cursor:pointer}@keyframes answer-dialog-overlay-fade{0%{opacity:0}to{opacity:1}}@keyframes answer-dialog-pop{0%{opacity:0;transform:scale(.85) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}.answer-choices{display:flex;flex-direction:column;gap:10px}.answer-choices__button{width:100%;min-height:44px;padding:10px 16px;font-size:16px;text-align:left;background:#fff;border:1px solid var(--color-border);border-radius:8px;cursor:pointer}.answer-choices__button--correct{background:var(--color-correct);border-color:var(--color-correct);color:#fff}.answer-choices__button--incorrect{background:var(--color-incorrect);border-color:var(--color-incorrect);color:#fff}.answer-choices__button--disabled{opacity:.5}.result-screen{height:100dvh;display:flex;flex-direction:column;align-items:center;padding:24px;padding-top:calc(24px + var(--safe-top));padding-bottom:calc(24px + var(--safe-bottom));overflow-y:auto;text-align:center}.result-screen__title{font-size:24px;margin:0 0 24px}.result-screen__score-label{font-size:14px;color:#555;margin:0}.result-screen__score{font-size:40px;font-weight:700;margin:4px 0}.result-screen__city{font-size:14px;color:#555;margin:0 0 4px}.result-screen__rank{font-size:22px;font-weight:700;color:var(--color-primary);letter-spacing:.02em;margin:0 0 24px}.result-screen__actions{display:flex;flex-direction:column;gap:12px;width:100%;max-width:360px;margin:0 0 28px}.result-screen__share-button,.result-screen__copy-button{width:100%;min-height:44px;font-size:16px;font-weight:700;background:#fff;color:var(--color-primary);border:2px solid var(--color-primary);border-radius:8px;cursor:pointer}.result-screen__list{list-style:none;margin:0 0 24px;padding:0;width:100%;max-width:400px;text-align:left}.result-screen__list-item{display:flex;align-items:center;gap:8px;padding:8px 0;font-size:14px;border-bottom:1px solid var(--color-border)}.result-screen__mark{font-weight:700;width:20px;flex:0 0 auto}.result-screen__mark--correct{color:var(--color-correct)}.result-screen__mark--incorrect{color:var(--color-incorrect)}.result-screen__play-again{width:100%;max-width:320px;min-height:56px;font-size:18px;font-weight:700;background:var(--color-primary);color:#fff;border:none;border-radius:12px;cursor:pointer}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%}html,body{overflow:hidden;overscroll-behavior:none}body{font-family:system-ui,-apple-system,Segoe UI,sans-serif}