:root{--bg: #0d0d0f;--bg2: #141418;--bg3: #1c1c22;--border: rgba(255,255,255,.07);--border-hover: rgba(255,255,255,.15);--text: #f0efe8;--text-secondary: rgba(240,239,232,.5);--text-tertiary: rgba(240,239,232,.28);--accent: #8b7cf6;--accent-dim: rgba(139,124,246,.15);--accent-glow: rgba(139,124,246,.08);--coral: #e8836a;--teal: #5dcaa5;--amber: #f0a742;--font-display: "DM Serif Display", Georgia, serif;--font-body: "DM Sans", system-ui, sans-serif;--radius: 16px;--radius-sm: 10px;--transition: .22s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;min-height:100dvh;background:var(--bg);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased;overflow-x:hidden}body{overscroll-behavior:none}button{font-family:var(--font-body);cursor:pointer;border:none;background:none;color:inherit}input,textarea{font-family:var(--font-body);color:var(--text);background:none;border:none;outline:none}.page{min-height:100dvh;display:flex;flex-direction:column;animation:pageIn .45s cubic-bezier(.4,0,.2,1) both}@keyframes pageIn{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:.4}50%{opacity:1}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.noise:after{content:"";position:fixed;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");pointer-events:none;z-index:9999}.orb{position:fixed;border-radius:50%;filter:blur(80px);pointer-events:none;z-index:0}.btn-primary{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:16px 24px;background:var(--accent);color:#fff;font-size:16px;font-weight:500;letter-spacing:.01em;border-radius:var(--radius);transition:opacity var(--transition),transform var(--transition)}.btn-primary:hover{opacity:.88}.btn-primary:active{transform:scale(.98)}.btn-primary:disabled{opacity:.38;pointer-events:none}.btn-ghost{display:flex;align-items:center;justify-content:center;width:100%;padding:14px 24px;border:1px solid var(--border-hover);color:var(--text-secondary);font-size:15px;font-weight:400;border-radius:var(--radius);transition:border-color var(--transition),color var(--transition)}.btn-ghost:hover{border-color:var(--accent);color:var(--text)}.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.progress-dots{display:flex;gap:6px;justify-content:center}.progress-dots span{width:6px;height:6px;border-radius:50%;background:var(--border-hover);transition:background var(--transition),width var(--transition)}.progress-dots span.active{background:var(--accent);width:20px;border-radius:3px}.progress-dots span.done{background:var(--accent);opacity:.4}.quiz-option{width:100%;text-align:left;padding:16px 20px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:15px;color:var(--text-secondary);transition:border-color var(--transition),color var(--transition),background var(--transition);line-height:1.5}.quiz-option:hover{border-color:var(--accent);color:var(--text);background:var(--accent-glow)}.quiz-option.selected{border-color:var(--accent);color:var(--text);background:var(--accent-dim)}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:2px}