.calendar-2025 {
    max-width: 800px;
    margin: 20px auto;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    overflow: hidden;
}

.calendar-header {
    background: linear-gradient(135deg, #ec008c, #ff6b9d);
    color: white;
    padding: 20px;
    text-align: center;
}

.calendar-header h2 {
    margin: 0;
    font-size: 28px;
    font-weight: bold;
}

.calendar-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
}

.nav-btn {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

.nav-btn:hover {
    background: rgba(255,255,255,0.3);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
}

.day-header {
    background: #f8f9fa;
    padding: 15px 5px;
    text-align: center;
    font-weight: bold;
    color: #666;
    border-bottom: 1px solid #eee;
}

.day-cell {
    min-height: 80px;
    border-right: 1px solid #eee;
    border-bottom: 1px solid #eee;
    padding: 8px;
    position: relative;
}

.day-cell:nth-child(7n) {
    border-right: none;
}

.day-number {
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

.other-month {
    color: #ccc;
}

.event {
    background: #ec008c;
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 11px;
    margin-bottom: 2px;
    cursor: pointer;
    transition: background 0.3s;
}

.event:hover {
    background: #d6007a;
}

.today {
    background: #fff3cd;
}

@media (max-width: 768px) {
    .calendar-2025 {
        margin: 10px;
    }
    
    .day-cell {
        min-height: 60px;
        padding: 4px;
    }
    
    .calendar-header h2 {
        font-size: 22px;
    }
    
    .event {
        font-size: 10px;
        padding: 1px 4px;
    }
}