:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;padding:20px}.app{max-width:1000px;margin:0 auto}.app-header{text-align:center;color:#fff;margin-bottom:30px}.app-header h1{font-size:2.5rem;margin-bottom:10px}.app-header p{opacity:.9;font-size:1.1rem}.calendar-container{background:#fff;border-radius:20px;padding:30px;box-shadow:0 20px 60px #0000004d}.calendar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.calendar-header h2{font-size:1.8rem;color:#333}.nav-btn{background:#667eea;color:#fff;border:none;width:40px;height:40px;border-radius:50%;font-size:1.5rem;cursor:pointer;transition:all .3s}.nav-btn:hover{background:#764ba2;transform:scale(1.1)}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin-bottom:40px}.weekday{text-align:center;font-weight:700;color:#667eea;padding:10px;font-size:.9rem}.calendar-day{aspect-ratio:1;border:2px solid #f0f0f0;border-radius:12px;padding:8px;cursor:pointer;transition:all .3s;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:flex-start}.calendar-day:not(.empty):hover{border-color:#667eea;background:#f8f9ff;transform:scale(1.05)}.calendar-day.empty{cursor:default;border:none}.calendar-day.today{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:transparent}.calendar-day.today .day-number{color:#fff}.day-number{font-weight:600;color:#333;font-size:1.1rem}.event-dots{display:flex;gap:3px;margin-top:5px}.event-dot{color:#667eea;font-size:1.5rem;line-height:1}.calendar-day.today .event-dot{color:#fff}.events-list{margin-top:30px;padding-top:30px;border-top:2px solid #f0f0f0}.events-list h3{color:#333;margin-bottom:20px;font-size:1.5rem}.no-events{text-align:center;color:#999;padding:40px;font-style:italic}.events-list ul{list-style:none}.event-item{display:flex;justify-content:space-between;align-items:center;padding:15px;margin-bottom:10px;background:#f8f9ff;border-radius:10px;border-left:4px solid #667eea}.event-item strong{display:block;color:#333;margin-bottom:5px}.event-date{font-size:.85rem;color:#666}.delete-btn{background:#ff6b6b;color:#fff;border:none;padding:8px 15px;border-radius:6px;cursor:pointer;font-size:.9rem;transition:all .3s}.delete-btn:hover{background:#ff5252;transform:scale(1.05)}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.modal{background:#fff;padding:30px;border-radius:20px;width:90%;max-width:400px;box-shadow:0 20px 60px #0000004d}.modal h3{color:#333;margin-bottom:15px;font-size:1.5rem}.selected-date{color:#667eea;font-weight:600;margin-bottom:20px}.modal input{width:100%;padding:12px;border:2px solid #f0f0f0;border-radius:10px;font-size:1rem;margin-bottom:20px;transition:border-color .3s}.modal input:focus{outline:none;border-color:#667eea}.modal-buttons{display:flex;gap:10px}.btn-primary,.btn-secondary{flex:1;padding:12px;border:none;border-radius:10px;font-size:1rem;cursor:pointer;transition:all .3s;font-weight:600}.btn-primary{background:#667eea;color:#fff}.btn-primary:hover{background:#764ba2;transform:scale(1.05)}.btn-secondary{background:#f0f0f0;color:#666}.btn-secondary:hover{background:#e0e0e0}@media(max-width:768px){.app-header h1{font-size:2rem}.calendar-container{padding:20px}.calendar-grid{gap:5px}.calendar-day{padding:5px}.day-number{font-size:.9rem}}