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var(--surface))}.quiz-feedback>strong{color:var(--secondary)}.quiz-feedback.wrong>strong{color:var(--danger)}.quiz-feedback p{color:var(--muted);margin:5px 0 12px;line-height:1.65}.auth-screen{padding-bottom:calc(28px + env(safe-area-inset-bottom))}.auth-content{text-align:center;width:min(100%,470px);margin:0 auto;padding:clamp(28px,7dvh,70px) 22px 28px}.auth-brand{color:var(--muted);align-items:center;gap:9px;margin-bottom:30px;font-size:14px;font-weight:700;display:inline-flex}.auth-brand-mark{width:34px;height:34px;box-shadow:0 6px 16px rgb(var(--shadow) / .1);background:url(/branding/iranchina-icon.png) 50%/cover no-repeat;border-radius:9px;flex:none;display:block}.auth-symbol{width:92px;height:92px;color:var(--primary);background:linear-gradient(145deg, var(--primary-soft), color-mix(in srgb, var(--surface) 72%, var(--primary-soft)));box-shadow:0 14px 34px rgb(var(--shadow) / .09);border-radius:27px;place-items:center;margin:0 auto 18px;display:grid}.auth-content 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rgb(var(--shadow) / .12);border-radius:17px}.auth-gate-loading .spinner{margin:8px 0 0}.desktop-notice{background:radial-gradient(circle at 50% 38%, var(--primary-soft), transparent 34%), var(--bg);place-items:center;min-height:100dvh;padding:42px 24px;display:grid}.desktop-notice-card{border:1px solid var(--border);background:color-mix(in srgb, var(--surface) 90%, transparent);width:min(100%,620px);box-shadow:0 24px 70px rgb(var(--shadow) / .11);text-align:center;border-radius:30px;padding:42px;animation:.42s cubic-bezier(.2,.8,.25,1) both result-enter}.desktop-notice-card .auth-brand{margin-bottom:32px}.desktop-notice-icon{width:96px;height:96px;color:var(--primary);background:var(--primary-soft);border-radius:28px;place-items:center;margin:0 auto 22px;display:grid}.eyebrow{color:var(--primary);font-weight:800;display:block}.desktop-notice-card h1{margin:8px 0 12px;font-size:clamp(28px,4vw,38px);line-height:1.4}.desktop-notice-card p{max-width:500px;color:var(--muted);margin:0 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install-rise}.install-brand{color:var(--muted);align-items:center;gap:9px;margin-bottom:18px;font-size:12px;font-weight:800;display:inline-flex}.install-logo{width:36px;height:36px;filter:drop-shadow(0 5px 8px rgb(var(--shadow) / .12));border-radius:9px}.install-app-icon{object-fit:cover;border:1px solid color-mix(in srgb, var(--border) 55%, transparent);width:78px;height:78px;box-shadow:0 10px 22px rgb(var(--shadow) / .17);border-radius:21px;margin:0 auto 13px;display:block;overflow:hidden}.ios-install .eyebrow{margin-bottom:6px;font-size:13px}.ios-install h1{margin:0;font-size:25px;line-height:1.45}.ios-install>p{color:var(--muted);margin:8px 0 18px;line-height:1.7}.ios-install ol{border:1px solid color-mix(in srgb, var(--border) 82%, transparent);background:color-mix(in srgb, var(--surface-2) 62%, transparent);text-align:right;border-radius:18px;margin:0;padding:4px 12px;list-style:none;overflow:hidden}.ios-install li{border-bottom:1px solid color-mix(in srgb, var(--border) 78%, 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