:root{--bg:#0b0f14;--panel:#0f1720;--accent:#35ff7a;--muted:#9aa4b2;--glass: rgba(255,255,255,.03);--card-h:200px;--mono: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", "Courier New", monospace}body{background:var(--bg);color:#fff}.app-container{max-width:1200px;margin:0 auto;padding:2rem;text-align:center;font-family:var(--mono)}h1{color:var(--accent);margin-bottom:.5rem;font-size:2.5rem;font-family:var(--mono);font-weight:700}.subtitle{color:var(--muted);margin-bottom:2rem;font-size:1.1rem;font-family:var(--mono)}.generate-btn{background:var(--accent);color:var(--bg);border:none;padding:1rem 2rem;font-size:1.1rem;border-radius:8px;cursor:pointer;transition:all .3s;font-family:var(--mono);font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:2rem}.generate-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.generate-btn:disabled{opacity:.6;cursor:not-allowed}.error-box{background-color:#fee;border:1px solid #fcc;border-radius:8px;padding:1rem;margin:1rem 0;color:#c33}.response-box{background-color:#f8f9fa;border:1px solid #e0e0e0;border-radius:12px;padding:1.5rem;margin-top:2rem;text-align:left;box-shadow:0 2px 8px #0000001a}.response-box h2{color:#667eea;margin-top:0;margin-bottom:1rem;font-size:1.5rem}.response-box p{line-height:1.6;color:#333;white-space:pre-wrap;font-size:1rem}:root{--card-h: 200px}.db-container{margin-top:1.5rem;color:var(--muted);font-family:var(--mono)}.terminal-header{display:flex;align-items:center;gap:12px;background:linear-gradient(180deg,#ffffff05,#ffffff03);border:1px solid rgba(255,255,255,.03);padding:10px 14px;border-radius:10px;margin-bottom:12px;color:var(--muted);box-shadow:0 6px 18px #00000059;flex-wrap:wrap}.terminal-title{font-weight:700;color:var(--muted);font-size:.95rem;letter-spacing:.06em;flex:1;min-width:150px;text-align:left}.filter-controls{display:flex;gap:30px;align-items:center;margin-left:auto;width:auto}.filter-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:linear-gradient(180deg,#ffffff0a,#ffffff05),url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2335ff7a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 12px center;background-size:auto,12px;color:var(--accent);border:1px solid rgba(53,255,122,.2);border-radius:8px;padding:8px 36px 8px 12px;font-family:var(--mono);font-size:.85rem;font-weight:500;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px #0003;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);min-width:140px}.filter-select:hover{border-color:#35ff7a80;background:linear-gradient(180deg,#ffffff0f,#ffffff08),url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2335ff7a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 12px center;background-size:auto,12px;box-shadow:0 4px 12px #35ff7a26;transform:translateY(-1px)}.filter-select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #35ff7a26,0 4px 12px #35ff7a33}.filter-select option{background:var(--bg);color:var(--accent);padding:8px;font-weight:500;font-family:var(--mono)}@media (max-width: 640px){.filter-controls{width:100%;margin-left:0;margin-top:8px}.filter-select{flex:1;min-width:0}}.dots{display:flex;gap:6px;align-items:center}.dot{width:10px;height:10px;border-radius:50%;display:inline-block}.dot.red{background:#ff5f57;box-shadow:0 0 8px #ff5f571f}.dot.yellow{background:#ffbd2e;box-shadow:0 0 8px #ffbd2e14}.dot.green{background:#27c93f;box-shadow:0 0 10px #27c93f1f}.cards-grid{display:grid;grid-template-columns:1fr;gap:14px}@media (min-width: 768px){.cards-grid{grid-template-columns:repeat(2,1fr)}}.card{perspective:1000px;height:var(--card-h)}.card-inner{position:relative;width:100%;height:100%;border-radius:10px;transition:transform .6s cubic-bezier(.2,.9,.3,1);transform-style:preserve-3d;box-shadow:0 10px 30px #02061799,inset 0 1px #ffffff05;cursor:pointer;background:linear-gradient(180deg,#ffffff03,#ffffff01);border:1px solid rgba(255,255,255,.03)}.card.flipped .card-inner{transform:rotateY(180deg)}.card-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:10px;padding:14px;display:flex;flex-direction:column;justify-content:center;gap:10px}.card-front{background:linear-gradient(180deg,#071018,#0b1116);color:var(--accent);border:1px solid rgba(52,255,140,.06)}.card-back{transform:rotateY(180deg);background:linear-gradient(180deg,#071018,#07151a);color:#cdeed6;border:1px solid rgba(255,255,255,.02)}.cmd-line{font-size:1rem;display:flex;gap:8px;align-items:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.prompt.user{color:#9aa4b2;margin-right:6px;font-weight:600}.path{color:#7bd389;margin-left:6px;margin-right:4px}.cmd{color:var(--accent);font-weight:700;white-space:normal;word-break:break-word}.meta-row{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:8px;color:var(--muted);font-size:.75rem}.badge{background:#00000040;color:#bfffd6;padding:4px 8px;border-radius:999px;font-weight:600;border:1px solid rgba(255,255,255,.03)}.badge.dark{background:#ffffff05;color:var(--muted);border:1px solid rgba(255,255,255,.03)}.response-block{display:flex;flex-direction:column;gap:8px;height:100%}.response-header{display:flex;justify-content:space-between;align-items:center;gap:8px;color:var(--muted);font-size:.8rem}.response-text{background:#00000059;border-radius:6px;padding:10px;color:#c8ffd9;font-family:var(--mono);font-size:.9rem;overflow:auto;height:calc(100% - 68px);margin:0;white-space:pre-wrap;word-break:break-word;border:1px solid rgba(255,255,255,.03)}.muted{color:var(--muted)}.small{font-size:.75rem}.db-loading,.db-error,.db-empty{padding:1rem;color:var(--muted);font-family:var(--mono);background:var(--panel);border-radius:8px;border:1px solid var(--glass)}.db-error{color:#ff5252;border-color:#ff525233}@media (max-width: 520px){:root{--card-h: 170px}.cards-grid{grid-template-columns:repeat(1,1fr)}.cmd-line{font-size:.9rem}}.quiz-container{max-width:1000px;margin:2rem auto;padding:1rem}.quiz-header{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}.category-filter{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:linear-gradient(180deg,#ffffff0a,#ffffff05),url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2335ff7a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 12px center;background-size:auto,12px;color:var(--accent);border:1px solid rgba(53,255,122,.2);border-radius:8px;padding:.8rem 2.5rem .8rem 1.2rem;font-family:var(--mono);font-size:.95rem;font-weight:500;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px #0003;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);min-width:180px}.category-filter:hover:not(:disabled){border-color:#35ff7a80;background:linear-gradient(180deg,#ffffff0f,#ffffff08),url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2335ff7a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 12px center;background-size:auto,12px;box-shadow:0 4px 12px #35ff7a26;transform:translateY(-1px)}.category-filter:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #35ff7a26,0 4px 12px #35ff7a33}.category-filter:disabled{opacity:.6;cursor:not-allowed}.category-filter option{background:var(--bg);color:var(--accent);padding:8px;font-weight:500;font-family:var(--mono)}.generate-quiz-btn{background:linear-gradient(180deg,#238636,#1c7430);color:#fff;border:none;padding:.8rem 1.5rem;border-radius:6px;font-size:1rem;cursor:pointer;transition:all .2s;box-shadow:0 2px 6px #0003;font-family:var(--mono);flex:1;min-width:200px}.generate-quiz-btn:hover{transform:translateY(-1px);box-shadow:0 4px 8px #0000004d}.generate-quiz-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.quiz-error{color:#ff5252;padding:1rem;margin:1rem 0;background:#ff52521a;border-radius:6px;font-family:var(--mono)}.questions-list{margin-top:2rem}.question-card{background:linear-gradient(180deg,#071018,#0b1116);border:1px solid rgba(52,255,140,.06);border-radius:10px;padding:1.5rem;margin:1rem 0;display:flex;flex-direction:column;gap:1rem;box-shadow:0 10px 30px #02061799,inset 0 1px #ffffff05}.question-card-animate{animation:slideDown .5s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.question-card>*{width:100%}.question-header{display:flex;gap:1rem;align-items:flex-start}.question-number{background:linear-gradient(180deg,#238636,#1c7430);color:#fff;width:28px;height:28px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:.9rem;flex-shrink:0;font-family:var(--mono);box-shadow:0 2px 4px #0003}.question-text{margin:0;line-height:1.6;color:var(--accent);font-family:var(--mono);font-size:.95rem;flex:1}.quiz-answer-input{width:95%;padding:.6rem 1.2rem;background:#ffffff0d;border:1px solid rgba(52,255,140,.3);border-radius:6px;color:var(--accent);font-family:var(--mono);font-size:.9rem;transition:all .2s}.quiz-answer-input:focus{outline:none;border-color:#34ff8c;background:#ffffff14;box-shadow:0 0 0 2px #34ff8c1a}.quiz-answer-input:disabled{opacity:.5;cursor:not-allowed}.quiz-submit-btn{background:linear-gradient(180deg,#238636,#1c7430);color:#fff;border:none;padding:.6rem 1.2rem;border-radius:6px;font-size:.9rem;cursor:pointer;transition:all .2s;font-family:var(--mono);align-self:flex-start}.quiz-submit-btn:hover{transform:translateY(-1px);box-shadow:0 4px 8px #0000004d}.quiz-submit-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.feedback-text{margin-top:.5rem;padding:.6rem 1.2rem;background:#34ff8c0f;border-left:3px solid #34ff8c;border-radius:4px;color:#34ff8c;font-family:var(--mono);font-size:.85rem;width:95%;line-height:1.5;white-space:pre-wrap;text-align:center}.feedback-text.correct{background:#34ff8c14;border-left-color:#34ff8c}.feedback-text.incorrect{background:#ff52520f;border-left-color:#ff5252;color:#ff9d9d}.final-evaluation{margin-top:2rem;padding:1.5rem;background:linear-gradient(180deg,#071018,#0b1116);border:2px solid #34ff8c;border-radius:10px;box-shadow:0 10px 30px #34ff8c33}.final-evaluation h3{color:#34ff8c;font-family:var(--mono);margin-top:0;margin-bottom:1rem;font-size:1.2rem}.final-evaluation p{color:var(--accent);font-family:var(--mono);line-height:1.6;margin:0;white-space:pre-wrap}