:root{--primary: #9E7FFF;--secondary: #38bdf8;--accent: #f472b6;--background: #0a0a14;--surface: #1a1a2e;--text: #FFFFFF;--text-secondary: #A3A3A3;--border: #2F2F2F;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--radius: 16px;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--background);color:var(--text);min-height:100vh;overflow-x:hidden;line-height:1.6}#app{min-height:100vh;display:flex;flex-direction:column}.night-sky{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;background:linear-gradient(135deg,#0a0a14,#1a1a2e,#2d1b69);overflow:hidden}.star{position:absolute;background:#fff;border-radius:50%;animation:twinkle 3s infinite}.star:nth-child(2n){animation-delay:1s}.star:nth-child(3n){animation-delay:2s}@keyframes twinkle{0%,to{opacity:.3}50%{opacity:1}}.container{max-width:1200px;margin:0 auto;padding:2rem;width:100%;flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;position:relative;z-index:1}.header{text-align:center;margin-bottom:4rem;width:100%}.moon-icon{width:120px;height:120px;margin:0 auto 2rem;position:relative}.moon{width:100%;height:100%;background:linear-gradient(135deg,#f0f0f0,#d4d4d4);border-radius:50%;position:relative;box-shadow:0 0 60px #9e7fff4d,0 0 100px #9e7fff1a,inset 0 -10px 20px #0003;animation:float 6s ease-in-out infinite}.moon:before{content:"";position:absolute;top:20%;left:30%;width:30px;height:30px;background:#0000001a;border-radius:50%}.moon:after{content:"";position:absolute;top:40%;right:25%;width:20px;height:20px;background:#00000014;border-radius:50%}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}h1{font-family:Playfair Display,serif;font-size:4.5rem;font-weight:700;margin-bottom:1rem;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.5px}.subtitle{font-size:1.5rem;color:var(--text-secondary);max-width:600px;margin:0 auto;font-weight:300}.content{background:#1a1a2eb3;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius);padding:3rem;width:100%;max-width:800px;border:1px solid rgba(158,127,255,.1);box-shadow:0 20px 60px #0000004d,0 0 0 1px #9e7fff0d;margin-bottom:3rem;transition:var(--transition)}.content:hover{transform:translateY(-5px);box-shadow:0 30px 80px #0006,0 0 0 1px #9e7fff1a}.sleep-tips{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:3rem}.tip-card{background:#ffffff0d;border-radius:12px;padding:1.5rem;transition:var(--transition);border:1px solid transparent}.tip-card:hover{background:#9e7fff1a;border-color:#9e7fff33;transform:translateY(-2px)}.tip-icon{width:48px;height:48px;background:#9e7fff1a;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:1rem;font-size:1.5rem}.tip-card h3{font-size:1.25rem;margin-bottom:.5rem;color:var(--text)}.tip-card p{color:var(--text-secondary);font-size:.95rem}.sleep-timer{background:#38bdf81a;border-radius:12px;padding:2rem;margin-bottom:2rem;border:1px solid rgba(56,189,248,.2)}.timer-display{font-size:3.5rem;font-weight:300;text-align:center;margin:1rem 0;font-variant-numeric:tabular-nums;color:var(--secondary)}.timer-controls{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.btn{padding:.75rem 1.5rem;border-radius:50px;border:none;font-family:inherit;font-weight:500;font-size:1rem;cursor:pointer;transition:var(--transition);display:flex;align-items:center;gap:.5rem}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:#8a6eff;transform:translateY(-2px);box-shadow:0 10px 20px #9e7fff4d}.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:#ffffff0d;border-color:var(--primary)}.ambient-sounds{margin-top:2rem}.sound-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-top:1rem}.sound-btn{background:#ffffff0d;border:1px solid var(--border);border-radius:12px;padding:1rem;display:flex;flex-direction:column;align-items:center;gap:.5rem;cursor:pointer;transition:var(--transition)}.sound-btn:hover{background:#9e7fff1a;border-color:var(--primary);transform:translateY(-2px)}.sound-btn.active{background:#9e7fff33;border-color:var(--primary)}.sound-icon{font-size:1.5rem}.footer{text-align:center;padding:2rem;color:var(--text-secondary);font-size:.9rem;width:100%;border-top:1px solid rgba(255,255,255,.05)}.quote{font-style:italic;margin:1rem auto;max-width:600px;color:var(--text-secondary);font-size:1.1rem}@media (max-width: 768px){.container{padding:1rem}h1{font-size:3rem}.subtitle{font-size:1.25rem}.content{padding:2rem 1.5rem}.timer-display{font-size:2.5rem}.sleep-tips{grid-template-columns:1fr}.sound-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 480px){h1{font-size:2.5rem}.moon-icon{width:80px;height:80px}.timer-controls{flex-direction:column}.btn{width:100%;justify-content:center}}@media (prefers-reduced-motion: reduce){.moon,.star,.content,.tip-card,.btn,.sound-btn{animation:none;transition:none}}button:focus-visible,.sound-btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.loading{animation:pulse 2s infinite}