:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:#0a0a0a;color:#fafafa}.game{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:1.5rem;max-width:900px;margin:0 auto}header{text-align:center;margin-bottom:1.5rem;width:100%}header h1{margin:0 0 .25rem;font-size:1.75rem;font-weight:700;letter-spacing:-.02em}header p{margin:0;color:#ffffff8c;font-size:.9rem}.stats-bar{display:flex;gap:1.5rem;justify-content:center;margin-bottom:1.25rem;font-size:.95rem}.stats-bar span{color:#fff9}.stats-bar strong{color:#fafafa}.mail-display{width:100%;max-width:420px;margin:0 auto 1.5rem}.mail-card{background:linear-gradient(135deg,#faf5e4,#f0e6c8);color:#2a1f0a;border-radius:.75rem;padding:1.5rem 1.75rem;position:relative;box-shadow:0 4px 24px #0006;min-height:160px}.stamp{position:absolute;top:.75rem;right:.75rem;width:48px;height:56px;background:#c0392b;border:2px dashed #a93226;border-radius:2px;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.stamp:after{content:"";position:absolute;top:3px;right:3px;bottom:3px;left:3px;border:1px solid rgba(255,255,255,.3);border-radius:1px}.mail-from{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:#7a6a4a;margin-bottom:.5rem}.mail-from-name{color:#4a3a1a;font-weight:600}.mail-to{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:#7a6a4a;margin-bottom:.25rem}.mail-to-address{font-size:1.15rem;font-weight:700;color:#1a0f00;line-height:1.3}.mail-to-city{font-size:1rem;font-weight:600;color:#3a2a0a}.mail-hint{margin-top:.75rem;font-size:.8rem;color:#8a7a5a;font-style:italic}.mailboxes{width:100%;display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.75rem;margin-bottom:1.5rem}.mailbox-btn{background:#ffffff0a;border:2px solid rgba(255,255,255,.12);border-radius:.75rem;padding:1rem;cursor:pointer;transition:all .15s ease;text-align:center;color:#fafafa;font-family:inherit;font-size:.9rem;min-height:80px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.35rem}.mailbox-btn:hover{background:#ffffff14;border-color:#ffffff40;transform:translateY(-2px)}.mailbox-btn.correct{background:#2ecc7133;border-color:#2ecc71;animation:pulse-correct .4s ease}.mailbox-btn.wrong{background:#e74c3c33;border-color:#e74c3c;animation:shake .4s ease}@keyframes pulse-correct{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.mailbox-icon{font-size:1.5rem}.mailbox-street{font-weight:600;font-size:.85rem}.mailbox-num{font-size:.75rem;color:#ffffff80}.feedback{text-align:center;font-size:1rem;font-weight:600;min-height:1.5rem;margin-bottom:.75rem}.feedback.correct{color:#2ecc71}.feedback.wrong{color:#e74c3c}.start-screen,.end-screen{text-align:center;max-width:440px;margin:0 auto}.start-screen h2,.end-screen h2{font-size:1.5rem;margin:0 0 .75rem}.start-screen p,.end-screen p{color:#fff9;margin:0 0 1.5rem;font-size:.95rem}.play-btn{background:#2ecc71;color:#fff;border:none;border-radius:.5rem;padding:.75rem 2rem;font-size:1.1rem;font-weight:700;cursor:pointer;font-family:inherit;transition:background .15s}.play-btn:hover{background:#27ae60}.final-score{font-size:3rem;font-weight:800;color:#f1c40f;margin:.5rem 0}.level-badge{display:inline-block;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:.35rem;padding:.15rem .5rem;font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:#fff9;margin-bottom:1rem}.progress-bar{width:100%;max-width:420px;height:6px;background:#ffffff14;border-radius:3px;margin:0 auto 1.25rem;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#2ecc71,#27ae60);border-radius:3px;transition:width .3s ease}