@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap";:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}body{margin:0;padding:0;font-family:Inter,sans-serif;background:linear-gradient(135deg,#6a11cb,#9f73ff);height:100vh;display:flex;justify-content:center;align-items:center;transition:background .4s ease-in-out}@media(prefers-color-scheme:light){body{background:linear-gradient(135deg,#c3a3ff,#8b5cf6)}.calculator{background-color:#f9f9ff}.display{background-color:#e8e8f9;color:#222}.footer{color:#222;opacity:.7}}.calculator-container{display:flex;flex-direction:column;align-items:center;width:100%}.calculator{background-color:#1e1e2f;padding:25px;border-radius:20px;box-shadow:0 10px 25px #0000004d;width:320px;max-width:90%;transition:all .3s ease-in-out}.display{background-color:#2a2a3d;color:#fff;font-size:2.2rem;text-align:right;padding:15px;border-radius:10px;margin-bottom:15px;box-shadow:inset 0 2px 5px #0003;overflow-x:auto}.buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}button{border:none;border-radius:12px;font-size:1.2rem;padding:15px;cursor:pointer;transition:all .2s ease-in-out;font-weight:600}.btn-num{background-color:#f0f0f0;color:#333}.btn-num:hover{background-color:#d9d9d9;transform:scale(1.05)}.btn-op{background-color:#5a67d8;color:#fff}.btn-op:hover{background-color:#434190;transform:scale(1.05)}.btn-ca{background-color:#e53e3e;color:#fff}.btn-ca:hover{background-color:#c53030;transform:scale(1.05)}.btn-equal{background-color:#38a169;color:#fff;grid-column:span 2}.btn-equal:hover{background-color:#2f855a;transform:scale(1.05)}.footer{color:#fff;font-size:.9rem;margin-top:20px;text-align:center;opacity:.8}@media(max-width:480px){body{background:linear-gradient(160deg,#6a11cb,#9f73ff);padding:10px;height:auto;min-height:100vh}.calculator{width:100%;max-width:360px;padding:20px}.display{font-size:1.8rem;padding:12px}button{font-size:1.1rem;padding:18px}.footer{font-size:.8rem;margin-top:15px}}@media(min-width:481px)and (max-width:768px){.calculator{width:400px}.display{font-size:2rem}button{font-size:1.2rem;padding:16px}}