@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Fira+Code:wght@400;500&display=swap";body{margin:0;min-height:100vh}#root{min-height:100vh}.code-block{background:#0f172a;border-radius:8px;padding:1.25rem;overflow-x:auto;margin:0;font-family:Fira Code,Courier New,monospace;font-size:.9rem;line-height:1.6}.code-block code{color:#e2e8f0;font-family:inherit}.token.keyword,.token.operator{color:#60a5fa;font-weight:600}.token.string{color:#34d399}.token.number{color:#fb923c}.token.function{color:#c084fc}.token.punctuation{color:#94a3b8}.token.comment{color:#64748b;font-style:italic}:root{--primary-blue: #3b82f6;--primary-blue-dark: #2563eb;--primary-blue-light: #60a5fa;--bg-dark: #0f172a;--bg-card: #1e293b;--bg-elevated: #334155;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--success-green: #10b981;--success-bg: #06401733;--border-color: #334155;--border-light: #475569;--color-ddl: #8b5cf6;--color-dml: #ec4899;--color-select: #3b82f6;--color-view: #14b8a6;--spacing-xs: .5rem;--spacing-sm: .75rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .3);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .4);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(135deg,#0f172a,#1e293b);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:linear-gradient(135deg,var(--bg-card) 0%,var(--bg-elevated) 100%);border-bottom:2px solid var(--primary-blue);padding:var(--spacing-xl) var(--spacing-lg);box-shadow:var(--shadow-xl);position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.header-content{display:flex;align-items:center;gap:var(--spacing-lg);max-width:1400px;margin:0 auto}.header-icon{background:linear-gradient(135deg,var(--primary-blue) 0%,var(--primary-blue-dark) 100%);width:64px;height:64px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--shadow-lg);flex-shrink:0}.header-text h1{font-size:1.75rem;font-weight:700;margin-bottom:var(--spacing-xs);background:linear-gradient(135deg,var(--primary-blue-light) 0%,var(--primary-blue) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-meta{display:flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-sm);font-size:.95rem;color:var(--text-secondary)}.course-code{background:var(--primary-blue);color:#fff;padding:.25rem .75rem;border-radius:var(--radius-sm);font-weight:600;font-size:.85rem}.separator{color:var(--text-muted)}.institution-info{font-size:.9rem;color:var(--text-muted);line-height:1.4}.student-info{margin-top:var(--spacing-md);padding-top:var(--spacing-md);border-top:1px solid var(--border-color);font-size:.9rem;color:var(--text-secondary);font-weight:500}.app-main{flex:1;padding:var(--spacing-2xl) var(--spacing-lg)}.content-container{max-width:1400px;margin:0 auto}.intro-section{margin-bottom:var(--spacing-2xl)}.intro-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-lg)}.intro-card h2{font-size:1.5rem;margin-bottom:var(--spacing-md);color:var(--primary-blue-light)}.intro-card p{color:var(--text-secondary);line-height:1.7;font-size:1.05rem}.intro-card strong{color:var(--primary-blue-light);font-weight:600}.questions-section{margin-bottom:var(--spacing-2xl)}.section-header{margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-lg);border-bottom:2px solid var(--border-color)}.section-header h2{font-size:1.75rem;font-weight:700;margin-bottom:var(--spacing-sm);color:var(--text-primary)}.section-description{color:var(--text-muted);font-size:1.05rem;margin-top:var(--spacing-xs)}.subsection-title{font-size:1.25rem;font-weight:600;margin:var(--spacing-xl) 0 var(--spacing-lg);color:var(--text-secondary);padding-left:var(--spacing-md);border-left:3px solid var(--primary-blue)}.questions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,600px),1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.question-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-md);position:relative;overflow:hidden}.question-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,transparent,var(--primary-blue),transparent);opacity:0;transition:opacity .3s}.question-card:hover{border-color:var(--primary-blue);box-shadow:var(--shadow-xl);transform:translateY(-2px)}.question-card:hover:before{opacity:1}.question-header{margin-bottom:var(--spacing-md)}.question-meta{display:flex;align-items:center;gap:var(--spacing-sm);flex-wrap:wrap}.question-id{background:var(--bg-elevated);color:var(--text-primary);padding:.375rem .75rem;border-radius:var(--radius-sm);font-weight:700;font-size:.875rem;font-family:Fira Code,monospace}.category-badge{padding:.375rem .875rem;border-radius:var(--radius-sm);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.5px}.category-ddl{background:var(--color-ddl);color:#fff}.category-dml{background:var(--color-dml);color:#fff}.category-select{background:var(--color-select);color:#fff}.category-view{background:var(--color-view);color:#fff}.question-text{color:var(--text-secondary);font-size:1.05rem;margin-bottom:var(--spacing-lg);line-height:1.6}.code-container{margin-bottom:var(--spacing-lg);border:1px solid var(--border-light);border-radius:var(--radius-md);overflow:hidden}.code-header{background:var(--bg-elevated);padding:var(--spacing-sm) var(--spacing-md);display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-light)}.code-label{font-size:.85rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.copy-button{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:.25rem .5rem;border-radius:var(--radius-sm);transition:all .2s;display:flex;align-items:center;gap:.25rem}.copy-button:hover{background:var(--bg-dark);color:var(--primary-blue-light)}.action-area{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.execute-button,.reset-button{flex:1;padding:.875rem 1.5rem;border:none;border-radius:var(--radius-md);font-weight:600;font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);transition:all .2s cubic-bezier(.4,0,.2,1);font-family:inherit}.execute-button{background:linear-gradient(135deg,var(--primary-blue) 0%,var(--primary-blue-dark) 100%);color:#fff;box-shadow:var(--shadow-md)}.execute-button:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-blue-light) 0%,var(--primary-blue) 100%);box-shadow:var(--shadow-lg);transform:translateY(-1px)}.execute-button:active:not(:disabled){transform:translateY(0);box-shadow:var(--shadow-sm)}.execute-button.executing{opacity:.7;cursor:wait}.execute-button:disabled{cursor:not-allowed}.reset-button{background:var(--bg-elevated);color:var(--text-secondary);border:1px solid var(--border-light)}.reset-button:hover{background:var(--border-color);color:var(--text-primary)}.result-area{animation:fadeInSlide .3s cubic-bezier(.4,0,.2,1);margin-top:var(--spacing-md)}@keyframes fadeInSlide{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.success-message{background:var(--success-bg);border:1px solid var(--success-green);border-radius:var(--radius-md);padding:var(--spacing-lg);display:flex;align-items:start;gap:var(--spacing-md)}.success-icon{width:32px;height:32px;background:var(--success-green);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.25rem;flex-shrink:0}.success-text{color:var(--success-green);font-weight:500;line-height:1.6;padding-top:.25rem}.result-table-container{border:1px solid var(--border-light);border-radius:var(--radius-md);overflow:hidden}.result-table{width:100%;border-collapse:collapse;background:var(--bg-dark)}.result-table thead{background:var(--bg-elevated)}.result-table th{padding:.875rem 1rem;text-align:left;font-weight:600;color:var(--primary-blue-light);font-size:.9rem;text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--border-light)}.result-table td{padding:.875rem 1rem;color:var(--text-secondary);border-bottom:1px solid var(--border-color)}.result-table tbody tr:hover{background:var(--bg-card)}.result-table tbody tr:last-child td{border-bottom:none}.result-footer{background:var(--bg-elevated);padding:var(--spacing-sm) var(--spacing-md);font-size:.875rem;color:var(--text-muted);text-align:right;font-style:italic}.app-footer{background:var(--bg-card);border-top:1px solid var(--border-color);padding:var(--spacing-xl) var(--spacing-lg);text-align:center;margin-top:auto}.app-footer p{color:var(--text-muted);font-size:.9rem;margin-bottom:var(--spacing-xs)}.footer-note{font-size:.85rem;font-style:italic}@media(max-width:768px){.app-header{padding:var(--spacing-lg) var(--spacing-md)}.header-content{flex-direction:column;align-items:flex-start;gap:var(--spacing-md)}.header-icon{width:48px;height:48px}.header-text h1{font-size:1.5rem}.app-main{padding:var(--spacing-xl) var(--spacing-md)}.section-header h2{font-size:1.5rem}.questions-grid{grid-template-columns:1fr}.result-table{font-size:.85rem}.result-table th,.result-table td{padding:.625rem .75rem}}@media(max-width:480px){.header-text h1{font-size:1.25rem}.question-card{padding:var(--spacing-md)}.execute-button,.reset-button{padding:.75rem 1rem;font-size:.9rem}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--primary-blue)}