.ovc2026-container{width:100%;max-width:800px;margin:0 auto;padding:0 10px;font-family:Arial,sans-serif;color:#333;box-sizing:border-box}.ovc2026-container *,.ovc2026-container *::before,.ovc2026-container *::after{box-sizing:border-box}.ovc2026-card{background:#fff;border-radius:12px;padding:16px 14px;margin:0 0 10px 0;box-shadow:0 4px 12px rgb(0 0 0 / .06)}.ovc2026-card h2{margin:0 0 6px 0;font-size:20px;color:#000;text-align:center}.ovc2026-card p{margin:0 0 10px 0;font-size:14px;color:#555;text-align:center}.ovc2026-input-group{margin-bottom:14px}.ovc2026-input-group label{display:block;font-weight:600;font-size:14px;margin-bottom:6px;color:#222}.ovc2026-input-group input{width:100%;padding:10px 12px;font-size:14px;border-radius:8px;border:1.5px solid #90caf9;outline:none;background:#fff;transition:border-color .2s ease,box-shadow .2s ease}.ovc2026-input-group input:focus{border-color:#1976d2;box-shadow:0 0 0 3px rgb(25 118 210 / .15)}.ovc2026-button{width:100%;padding:10px;margin-bottom:8px;background:#1976d2;color:#fff;border:none;border-radius:10px;cursor:pointer;font-weight:700;font-size:14px;transition:background .3s,transform .1s}.ovc2026-button:hover{background:#115293}.ovc2026-button:active{transform:scale(.98)}.ovc2026-reset{background:#f44336}.ovc2026-reset:hover{background:#b71c1c}.ovc2026-result{display:none;margin-top:12px}.ovc2026-result .ovc2026-card{padding:12px 14px;box-shadow:0 4px 12px rgb(0 0 0 / .08);border-radius:12px}.ovc2026-note{margin-top:10px;color:#555;font-size:12px;background:#fff3e0;padding:6px 10px;border-radius:8px}.ovc2026-calendar{display:flex;flex-wrap:wrap;margin-top:10px;border-radius:12px}.ovc2026-week{display:flex;width:100%;margin-bottom:5px}.ovc2026-day{flex:1;padding:10px 0;text-align:center;border-radius:6px;font-size:13px;cursor:pointer;position:relative;color:#fff;margin:1px}.ovc2026-day.fertile{background:#66bb6a}.ovc2026-day.ovulation{background:#7b1fa2}.ovc2026-day.notfertile{background:#90a4ae}.ovc2026-day:hover::after{content:attr(data-tooltip);position:absolute;top:-28px;left:50%;transform:translateX(-50%);background:#333;color:#fff;font-size:10px;padding:2px 6px;border-radius:4px;white-space:nowrap;z-index:10}@media (max-width:640px){.ovc2026-day{font-size:12px;padding:8px 0}}