:root{--input-bg: rgba(20, 28, 33, .5);--input-border: rgba(255, 255, 255, .1);--input-text: #424C55;--heading-color: #E8EBE4;--button-bg: #3E885B;--button-hover: #3a7e55;--button-text: #E8EBE4;--error-color: #ff413e;--button-shadow: rgba(90, 255, 170, .5);--warning-color: #f39c12;--inner-box-bg: rgba(255, 255, 255, .08) }html,body,#root{height:100%;width:100%;margin:0;padding:0;overflow:auto}#root .app-wrapper{display:flex;flex-direction:column;min-height:100vh}body{background:radial-gradient(1200px 600px at 20% 10%,rgba(62,136,91,.12),transparent 55%),radial-gradient(900px 500px at 80% 30%,rgba(80,120,255,.1),transparent 55%),#0b0f14;font-family:Poppins,sans-serif}h1{color:var(--heading-color);margin-bottom:5vh;font-size:2rem;font-weight:700;text-align:center}.modal-overlay{position:fixed;inset:0;z-index:9999;display:flex;justify-content:center;align-items:center;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#000000b3}.modal-content{background-color:#141c21;color:var(--heading-color);width:min(420px,92vw);padding:35px 25px;border:2px solid var(--button-bg);border-radius:20px;display:flex;flex-direction:column;gap:20px;text-align:center;box-shadow:0 0 30px #00000080}.modal-content h2{margin:0;font-size:24px;letter-spacing:1px}.modal-buttons{display:flex;justify-content:center;gap:15px;margin-top:10px}.highlight{color:var(--button-bg);font-weight:600}.btn-correct{background:#2ecc71;color:#fff}.btn-wrong{background:#e74c3c;color:#fff}.btn-primary:disabled{opacity:.45;cursor:not-allowed;transform:none}.button-group{display:flex;gap:1rem;justify-content:center;margin-top:1rem}.btn-primary,.btn-secondary{box-sizing:border-box}.btn-primary{background-color:var(--button-bg);color:var(--button-text);border:none;padding:.8rem 2rem;border-radius:8px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .2s ease}.btn-primary:hover{background-color:var(--button-hover);box-shadow:0 0 12px var(--button-shadow);transform:translateY(-2px)}.btn-secondary{background-color:transparent;color:var(--button-bg);border:2px solid var(--button-bg);padding:.7rem 1.9rem;border-radius:8px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .2s ease}.btn-secondary:hover{background-color:var(--button-bg);color:var(--button-text);box-shadow:0 0 8px var(--button-shadow);transform:translateY(-2px)}.loading{display:flex;justify-content:center;align-items:center;height:100vh;animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.cust-box{border-radius:16px;color:var(--heading-color);background:#ffffff0f;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 10px 30px #0000004d}.content-container{padding:3rem;max-width:55rem;text-align:block;margin:4rem auto;display:flex;flex-direction:column;justify-content:start;box-sizing:border-box}.site-footer{background-color:#0b0f14;color:var(--button-bg);text-align:center;font-size:.75rem;padding:4px;width:100%;position:relative;margin-top:auto;box-sizing:border-box;box-shadow:0 -6px 20px #00000073;border-top:1px solid rgba(183,243,198,.15)}