*,:before,:after{box-sizing:border-box}:root{color:#172031;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f4f7fb;font-family:Segoe UI,Inter,sans-serif;font-weight:400;line-height:1.5}body{background:radial-gradient(circle at 100% 0,#e4efff 0%,#f4f7fb 48%);min-width:320px;margin:0}#root{min-height:100vh}a{color:#0f6dff}button{font-family:inherit}.assignment-card{background:#fff;border:1px solid #d9e1ee;border-radius:16px;flex-direction:column;gap:.75rem;padding:1rem;display:flex;box-shadow:0 12px 30px #10204014}.assignment-card__difficulty{text-transform:capitalize;color:#0a55ca;background:#eef3ff;border-radius:999px;width:fit-content;padding:.25rem .55rem;font-size:.8rem}.assignment-card__difficulty--easy{color:#1f8f5a;background:#e5f7ee}.assignment-card__difficulty--medium{color:#a76908;background:#fff4e5}.assignment-card__difficulty--hard{color:#c62828;background:#ffe9e7}.assignment-card__title{margin:0;font-size:1.1rem}.assignment-card__description{color:#55627a;margin:0}.assignment-card__cta{color:#fff;cursor:pointer;background:#0f6dff;border:none;border-radius:10px;padding:.7rem 1rem;font-weight:600;transition:background .2s}.assignment-card__cta:hover:not(:disabled){background:#0a55ca}.assignment-card__cta:disabled{opacity:.6;cursor:not-allowed}.assignment-card__cta{margin-top:auto}.toast-stack{z-index:9999;gap:.55rem;max-width:min(92vw,340px);display:grid;position:fixed;top:1rem;right:1rem}.toast{color:#fff;border-radius:10px;padding:.72rem .82rem;font-size:.9rem;box-shadow:0 10px 24px #0000003d}.toast--success{background:#0b8f5b}.toast--error{background:#c53030}.toast--info{background:#1d4ed8}.assignment-list-page{width:min(1180px,100%);margin:0 auto;padding:1rem}.assignment-list-page__header{margin-bottom:1rem}.assignment-list-page__header-top{justify-content:space-between;align-items:center;gap:.8rem;display:flex}.assignment-list-page__title{margin:0;font-size:1.8rem}.assignment-list-page__subtitle{color:#55627a;margin:.35rem 0 0}.assignment-list-page__logout{color:#fff;cursor:pointer;background:#0f6dff;border:none;border-radius:10px;padding:.7rem 1rem;font-weight:600;transition:background .2s}.assignment-list-page__logout:hover:not(:disabled){background:#0a55ca}.assignment-list-page__logout:disabled{opacity:.6;cursor:not-allowed}.assignment-list-page__logout{padding:.45rem .75rem}.assignment-list-page__status{margin:.75rem 0}.assignment-list-page__status--error{color:#c62828}.assignment-list-page__grid{gap:1rem;display:grid}@media (width>=641px){.assignment-list-page{padding:1.3rem}.assignment-list-page__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=1024px){.assignment-list-page__title{font-size:2.2rem}}@media (width>=1281px){.assignment-list-page__grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.sql-editor{border:1px solid #d9e1ee;border-radius:12px;overflow:hidden}.sample-tables{gap:1rem;display:grid}.sample-tables__empty{color:#55627a;margin:0}.sample-tables__table-card{background:#fff;border:1px solid #d9e1ee;border-radius:16px;padding:1rem;box-shadow:0 12px 30px #10204014}.sample-tables__table-name{margin:0 0 .5rem}.sample-tables__meta{flex-wrap:wrap;gap:.5rem;margin-bottom:.75rem;display:flex}.sample-tables__column-pill{color:#55627a;background:#f2f5fb;border-radius:8px;padding:.2rem .5rem;font-size:.8rem}.sample-tables__table-wrapper{overflow-x:auto}.sample-tables__table{border-collapse:collapse;width:100%;font-size:.92rem}.sample-tables__table th,.sample-tables__table td{text-align:left;border-bottom:1px solid #d9e1ee;padding:.5rem}.query-result__empty{color:#55627a;margin:0}.query-result__table-wrapper{overflow-x:auto}.query-result__table{border-collapse:collapse;width:100%;font-size:.92rem}.query-result__table th,.query-result__table td{text-align:left;border-bottom:1px solid #d9e1ee;padding:.55rem}.hint-panel{background:#fafcff;border:1px dashed #d9e1ee;border-radius:12px;padding:.85rem}.hint-panel__text,.hint-panel__placeholder{margin:0}.hint-panel__placeholder{color:#55627a}.assignment-solve-page{gap:1rem;width:min(1180px,100%);margin:0 auto;padding:1rem;display:grid}.assignment-solve-page__header,.assignment-solve-page__panel{background:#fff;border:1px solid #d9e1ee;border-radius:16px;padding:1rem;box-shadow:0 12px 30px #10204014}.assignment-solve-page__header h1,.assignment-solve-page__panel h2{margin-top:0}.assignment-solve-page__difficulty{color:#55627a;margin:.2rem 0}.assignment-solve-page__difficulty span{text-transform:capitalize;color:#172031;font-weight:600}.assignment-solve-page__actions{flex-wrap:wrap;gap:.7rem;margin-top:.85rem;display:flex}.assignment-solve-page__actions button{color:#fff;cursor:pointer;background:#0f6dff;border:none;border-radius:10px;padding:.7rem 1rem;font-weight:600;transition:background .2s}.assignment-solve-page__actions button:hover:not(:disabled){background:#0a55ca}.assignment-solve-page__actions button:disabled{opacity:.6;cursor:not-allowed}.assignment-solve-page__error{color:#c62828;margin:0 0 .6rem;font-size:.92rem}.assignment-solve-page__validation{margin:0 0 .6rem;font-size:.92rem}.assignment-solve-page__validation--correct{color:#1f8f5a}.assignment-solve-page__validation--wrong{color:#a76908}.assignment-solve-page__attempt{color:#55627a;margin:0 0 .6rem;font-size:.92rem}@media (width>=641px){.assignment-solve-page{padding:1.3rem}}.auth-page{background:linear-gradient(130deg,#0f172a 0%,#111827 48%,#1f2937 100%);justify-content:center;align-items:center;min-height:100vh;padding:1rem;display:flex;position:relative;overflow:hidden}.auth-page__glow{filter:blur(44px);pointer-events:none;border-radius:999px;position:absolute}.auth-page__glow--one{background:#0ea5e95c;width:260px;height:260px;top:-60px;left:-40px}.auth-page__glow--two{background:#38bdf833;width:320px;height:320px;bottom:-100px;right:-60px}.auth-card{z-index:1;background:linear-gradient(160deg,#fffffff7 0%,#f8fafcf2 100%);border:1px solid #ffffff29;border-radius:16px;width:100%;max-width:520px;padding:1.5rem;position:relative;box-shadow:0 12px 30px #10204014}.auth-card__header{text-align:center;margin-bottom:1.1rem}.auth-card__header h1{letter-spacing:.2px;margin:0;font-size:1.85rem}.auth-card__header p{color:#55627a;margin:.45rem 0 0;font-size:.92rem}.auth-card__tabs{grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;margin-bottom:.95rem;display:grid}.auth-card__tabs button{cursor:pointer;background:#fff;border:1px solid #d9e1ee;border-radius:12px;padding:.55rem .75rem;font-weight:600;transition:all .2s}.auth-card__tabs .is-active{color:#fff;background:#0f6dff;border-color:#0f6dff}.auth-card__form{gap:.7rem;display:grid}.auth-card__form input{font:inherit;border:1px solid #d9e1ee;border-radius:12px;padding:.72rem .8rem}.auth-card__form input:focus{border-color:#0f6dff;outline:none;box-shadow:0 0 0 3px #0f6dff26}.auth-card__form button{color:#fff;cursor:pointer;background:#0f6dff;border:none;border-radius:10px;padding:.7rem 1rem;font-weight:600;transition:background .2s}.auth-card__form button:hover:not(:disabled){background:#0a55ca}.auth-card__form button:disabled{opacity:.6;cursor:not-allowed}.auth-card__form button{border-radius:12px;padding-block:.72rem}.auth-card__meta{text-align:center;color:#55627a;margin:.2rem 0 0;font-size:.8rem}.auth-card__error{color:#c62828;margin:.85rem 0 0;font-size:.9rem}
