@import "https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap";@tailwind base;@tailwind components;@tailwind utilities;:root{--bg-primary:#0f1117;--bg-secondary:#161b27;--bg-card:#1a2035;--bg-hover:#202640;--accent-teal:#3ecfcf;--accent-amber:#f5a623;--accent-violet:#8b5cf6;--accent-rose:#f472b6;--accent-green:#34d399;--text-primary:#f0f4ff;--text-secondary:#8892b0;--text-muted:#4a5578;--border:#252d45;--border-active:#3ecfcf;--shadow-glow:0 0 20px #3ecfcf26}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:DM Sans,sans-serif;font-size:16px;line-height:1.7}p,li,label{letter-spacing:.01em;line-height:1.75}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent-teal)}::selection{color:var(--text-primary);background:#3ecfcf40}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 #3ecfcf00}50%{box-shadow:0 0 16px 4px #3ecfcf33}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.fade-in{animation:.35s both fadeIn}.pulse-glow{animation:2.5s ease-in-out infinite pulse-glow}.spin{animation:1s linear infinite spin}.loading-shimmer{background:linear-gradient(90deg, var(--bg-card) 25%, var(--bg-hover) 50%, var(--bg-card) 75%);background-size:200% 100%;animation:1.5s infinite shimmer}button:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent-teal);outline-offset:2px}.ai-output h2{color:var(--accent-teal);margin:1.1rem 0 .4rem;font-family:Sora,sans-serif;font-size:1.1rem}.ai-output h3{color:var(--text-secondary);margin:.9rem 0 .3rem;font-size:1rem;font-weight:600}.ai-output p{margin-bottom:.8rem}.ai-output ul,.ai-output ol{margin-bottom:.8rem;padding-left:1.5rem}.ai-output li{margin-bottom:.3rem}.ai-output strong{color:var(--accent-amber);font-weight:600}.ai-output em{color:var(--accent-teal);font-style:normal;font-weight:500}.ai-output code{color:var(--accent-teal);background:#3ecfcf1a;border-radius:4px;padding:1px 5px;font-size:.875em}.ai-output blockquote{border-left:3px solid var(--accent-teal);color:var(--text-secondary);margin:.75rem 0;padding-left:1rem}.ai-output hr{border-color:var(--border);margin:1rem 0}.flashcard-scene{perspective:800px}.flashcard-inner{transform-style:preserve-3d;height:100%;transition:transform .5s cubic-bezier(.4,0,.2,1);position:relative}.flashcard-inner.flipped{transform:rotateY(180deg)}.flashcard-face{backface-visibility:hidden;position:absolute;inset:0}.flashcard-back{transform:rotateY(180deg)}